List of minor planets: 550001–551000 explained

550001–550100

|-bgcolor=#d6d6d6| 550001 || || — || October 23, 2011 || Kitt Peak || Spacewatch || 7:4 || align=right | 2.9 km || |-id=002 bgcolor=#E9E9E9| 550002 || || — || October 6, 2002 || Palomar || NEAT || || align=right | 1.8 km || |-id=003 bgcolor=#d6d6d6| 550003 || || — || November 20, 2006 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=004 bgcolor=#E9E9E9| 550004 || || — || February 11, 2004 || Palomar || NEAT || || align=right | 1.5 km || |-id=005 bgcolor=#E9E9E9| 550005 || || — || December 26, 2003 || Piszkesteto || K. Sárneczky || || align=right | 1.5 km || |-id=006 bgcolor=#E9E9E9| 550006 || || — || November 25, 2011 || Haleakala || Pan-STARRS || || align=right | 1.4 km || |-id=007 bgcolor=#E9E9E9| 550007 || || — || November 23, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.72" | 720 m || |-id=008 bgcolor=#E9E9E9| 550008 || || — || February 5, 2017 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=009 bgcolor=#fefefe| 550009 || || — || March 19, 2013 || Haleakala || Pan-STARRS || || align=right | 1.1 km || |-id=010 bgcolor=#fefefe| 550010 || || — || November 18, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.62" | 620 m || |-id=011 bgcolor=#E9E9E9| 550011 || || — || November 26, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=012 bgcolor=#fefefe| 550012 || || — || April 9, 2013 || Haleakala || Pan-STARRS || H || align=right data-sort-value="0.57" | 570 m || |-id=013 bgcolor=#E9E9E9| 550013 || || — || March 19, 2017 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.4 km || |-id=014 bgcolor=#E9E9E9| 550014 || || — || November 3, 2015 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.90" | 900 m || |-id=015 bgcolor=#C2FFFF| 550015 || || — || November 24, 2011 || Mount Lemmon || Mount Lemmon Survey || L4 || align=right | 6.4 km || |-id=016 bgcolor=#E9E9E9| 550016 || || — || July 4, 2014 || Haleakala || Pan-STARRS || || align=right | 1.5 km || |-id=017 bgcolor=#fefefe| 550017 || || — || April 1, 2015 || Mount Lemmon || Mount Lemmon Survey || H || align=right data-sort-value="0.67" | 670 m || |-id=018 bgcolor=#E9E9E9| 550018 || || — || November 24, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=019 bgcolor=#E9E9E9| 550019 || || — || May 21, 2014 || Haleakala || Pan-STARRS || || align=right | 1.4 km || |-id=020 bgcolor=#E9E9E9| 550020 || || — || November 7, 2015 || Haleakala || Pan-STARRS || || align=right | 1.3 km || |-id=021 bgcolor=#E9E9E9| 550021 || || — || November 23, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.68" | 680 m || |-id=022 bgcolor=#E9E9E9| 550022 || || — || November 18, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.6 km || |-id=023 bgcolor=#E9E9E9| 550023 || || — || August 29, 2006 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=024 bgcolor=#E9E9E9| 550024 || || — || November 27, 2011 || Mount Lemmon || Mount Lemmon Survey || critical || align=right | 1.6 km || |-id=025 bgcolor=#E9E9E9| 550025 || || — || October 8, 2015 || Haleakala || Pan-STARRS || || align=right | 1.3 km || |-id=026 bgcolor=#E9E9E9| 550026 || || — || December 6, 2011 || Haleakala || Pan-STARRS || || align=right | 1.6 km || |-id=027 bgcolor=#E9E9E9| 550027 || || — || January 31, 2017 || Haleakala || Pan-STARRS || || align=right | 1.7 km || |-id=028 bgcolor=#E9E9E9| 550028 || || — || December 6, 2011 || Haleakala || Pan-STARRS || || align=right | 1.0 km || |-id=029 bgcolor=#E9E9E9| 550029 || || — || April 12, 2013 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.75" | 750 m || |-id=030 bgcolor=#E9E9E9| 550030 || || — || January 31, 2004 || Apache Point || SDSS Collaboration || || align=right | 2.2 km || |-id=031 bgcolor=#E9E9E9| 550031 || || — || December 5, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=032 bgcolor=#E9E9E9| 550032 || || — || November 30, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=033 bgcolor=#E9E9E9| 550033 || || — || October 19, 2006 || Catalina || CSS || || align=right | 2.4 km || |-id=034 bgcolor=#E9E9E9| 550034 || || — || December 22, 2011 || Oukaimeden || C. Rinner || || align=right | 1.2 km || |-id=035 bgcolor=#d6d6d6| 550035 || || — || January 28, 2007 || Kitt Peak || Spacewatch || || align=right | 3.4 km || |-id=036 bgcolor=#d6d6d6| 550036 || || — || December 24, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=037 bgcolor=#E9E9E9| 550037 || || — || December 24, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.3 km || |-id=038 bgcolor=#E9E9E9| 550038 || || — || December 17, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.4 km || |-id=039 bgcolor=#E9E9E9| 550039 || || — || December 6, 2011 || Haleakala || Pan-STARRS || || align=right | 1.2 km || |-id=040 bgcolor=#E9E9E9| 550040 || || — || January 1, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.94" | 940 m || |-id=041 bgcolor=#C2FFFF| 550041 || || — || December 25, 2011 || Les Engarouines || L. Bernasconi || L4 || align=right | 8.6 km || |-id=042 bgcolor=#fefefe| 550042 || || — || November 2, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=043 bgcolor=#fefefe| 550043 || || — || December 30, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.79" | 790 m || |-id=044 bgcolor=#E9E9E9| 550044 || || — || October 15, 2001 || Palomar || NEAT || || align=right | 3.2 km || |-id=045 bgcolor=#E9E9E9| 550045 || || — || November 7, 2002 || Kitt Peak || Kitt Peak Obs. || MIS || align=right | 2.5 km || |-id=046 bgcolor=#E9E9E9| 550046 || || — || February 28, 2008 || Catalina || CSS || || align=right | 2.5 km || |-id=047 bgcolor=#E9E9E9| 550047 || || — || December 22, 1998 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=048 bgcolor=#E9E9E9| 550048 || || — || December 31, 2007 || Kitt Peak || Spacewatch || || align=right | 1.0 km || |-id=049 bgcolor=#E9E9E9| 550049 || || — || August 7, 2010 || XuYi || PMO NEO || || align=right | 2.1 km || |-id=050 bgcolor=#d6d6d6| 550050 || || — || September 3, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=051 bgcolor=#E9E9E9| 550051 || || — || March 17, 2004 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=052 bgcolor=#E9E9E9| 550052 || || — || September 14, 2006 || Kitt Peak || Spacewatch || || align=right | 1.0 km || |-id=053 bgcolor=#E9E9E9| 550053 || || — || January 14, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.86" | 860 m || |-id=054 bgcolor=#E9E9E9| 550054 || || — || December 25, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.98" | 980 m || |-id=055 bgcolor=#E9E9E9| 550055 || || — || December 27, 2011 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=056 bgcolor=#E9E9E9| 550056 || || — || January 17, 2004 || Palomar || NEAT || || align=right | 1.4 km || |-id=057 bgcolor=#E9E9E9| 550057 || || — || December 19, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=058 bgcolor=#E9E9E9| 550058 || || — || December 27, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=059 bgcolor=#d6d6d6| 550059 || || — || August 31, 2005 || Campo Imperatore || A. Boattini || || align=right | 2.7 km || |-id=060 bgcolor=#E9E9E9| 550060 || || — || December 29, 2011 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=061 bgcolor=#E9E9E9| 550061 || || — || December 29, 2011 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=062 bgcolor=#E9E9E9| 550062 || || — || December 26, 2011 || Marly || P. Kocher || || align=right | 1.7 km || |-id=063 bgcolor=#d6d6d6| 550063 || || — || December 31, 2011 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=064 bgcolor=#C2FFFF| 550064 || || — || December 31, 2011 || Kitt Peak || Spacewatch || L4 || align=right | 9.2 km || |-id=065 bgcolor=#E9E9E9| 550065 || || — || March 9, 2008 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=066 bgcolor=#E9E9E9| 550066 || || — || August 29, 2006 || Catalina || CSS || || align=right | 1.4 km || |-id=067 bgcolor=#E9E9E9| 550067 || || — || December 17, 2011 || ESA OGS || ESA OGS || || align=right | 1.0 km || |-id=068 bgcolor=#E9E9E9| 550068 || || — || December 30, 2011 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=069 bgcolor=#d6d6d6| 550069 || || — || February 18, 2001 || Haleakala || AMOS || || align=right | 3.6 km || |-id=070 bgcolor=#FA8072| 550070 || || — || October 9, 2002 || Socorro || LINEAR || || align=right | 1.5 km || |-id=071 bgcolor=#E9E9E9| 550071 || || — || December 18, 2003 || Socorro || LINEAR || || align=right | 1.1 km || |-id=072 bgcolor=#d6d6d6| 550072 || || — || January 24, 2012 || Haleakala || Pan-STARRS || || align=right | 2.2 km || |-id=073 bgcolor=#E9E9E9| 550073 || || — || March 8, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.0 km || |-id=074 bgcolor=#E9E9E9| 550074 || || — || December 27, 2011 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=075 bgcolor=#E9E9E9| 550075 || || — || December 27, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.3 km || |-id=076 bgcolor=#fefefe| 550076 || || — || December 28, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.74" | 740 m || |-id=077 bgcolor=#d6d6d6| 550077 || || — || December 27, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.1 km || |-id=078 bgcolor=#E9E9E9| 550078 || || — || September 13, 2015 || Piszkesteto || K. Sárneczky || || align=right | 1.3 km || |-id=079 bgcolor=#E9E9E9| 550079 || || — || December 27, 2011 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=080 bgcolor=#E9E9E9| 550080 || || — || November 19, 2015 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.6 km || |-id=081 bgcolor=#E9E9E9| 550081 || || — || April 12, 2013 || Haleakala || Pan-STARRS || || align=right | 1.6 km || |-id=082 bgcolor=#E9E9E9| 550082 || || — || December 27, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.4 km || |-id=083 bgcolor=#E9E9E9| 550083 Szécsényi-Nagy || || || December 31, 2011 || Piszkesteto || A. Szing || || align=right | 1.2 km || |-id=084 bgcolor=#E9E9E9| 550084 || || — || December 31, 2011 || Kitt Peak || Spacewatch || || align=right | 1.1 km || |-id=085 bgcolor=#E9E9E9| 550085 || || — || December 31, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=086 bgcolor=#E9E9E9| 550086 || || — || April 1, 1995 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=087 bgcolor=#E9E9E9| 550087 || || — || October 13, 1998 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=088 bgcolor=#C2FFFF| 550088 || || — || December 29, 2011 || Mount Lemmon || Mount Lemmon Survey || L4 || align=right | 8.4 km || |-id=089 bgcolor=#E9E9E9| 550089 || || — || December 29, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.94" | 940 m || |-id=090 bgcolor=#E9E9E9| 550090 || || — || March 1, 2008 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=091 bgcolor=#E9E9E9| 550091 || || — || October 2, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=092 bgcolor=#E9E9E9| 550092 || || — || January 1, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.1 km || |-id=093 bgcolor=#d6d6d6| 550093 || || — || January 10, 2007 || Kitt Peak || Spacewatch || || align=right | 3.4 km || |-id=094 bgcolor=#fefefe| 550094 || || — || August 28, 2005 || Siding Spring || SSS || H || align=right data-sort-value="0.90" | 900 m || |-id=095 bgcolor=#E9E9E9| 550095 || || — || February 13, 2004 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.98" | 980 m || |-id=096 bgcolor=#E9E9E9| 550096 || || — || October 5, 2002 || Palomar || NEAT || || align=right data-sort-value="0.98" | 980 m || |-id=097 bgcolor=#E9E9E9| 550097 || || — || October 31, 2002 || Socorro || LINEAR || || align=right | 2.0 km || |-id=098 bgcolor=#E9E9E9| 550098 || || — || December 29, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.6 km || |-id=099 bgcolor=#E9E9E9| 550099 || || — || November 24, 2011 || Haleakala || Pan-STARRS || || align=right | 1.7 km || |-id=100 bgcolor=#E9E9E9| 550100 || || — || December 30, 2007 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.90" | 900 m || |}

550101–550200

|-bgcolor=#E9E9E9| 550101 || || — || January 6, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.79" | 790 m || |-id=102 bgcolor=#fefefe| 550102 || || — || January 4, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.57" | 570 m || |-id=103 bgcolor=#E9E9E9| 550103 || || — || January 10, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=104 bgcolor=#E9E9E9| 550104 || || — || January 1, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.90" | 900 m || |-id=105 bgcolor=#E9E9E9| 550105 || || — || January 21, 1999 || Caussols || ODAS || || align=right | 1.5 km || |-id=106 bgcolor=#C2FFFF| 550106 || || — || January 2, 2012 || Kitt Peak || Spacewatch || L4 || align=right | 8.0 km || |-id=107 bgcolor=#d6d6d6| 550107 || || — || January 2, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.6 km || |-id=108 bgcolor=#E9E9E9| 550108 || || — || January 1, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.1 km || |-id=109 bgcolor=#d6d6d6| 550109 || || — || January 3, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.6 km || |-id=110 bgcolor=#E9E9E9| 550110 || || — || January 4, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=111 bgcolor=#E9E9E9| 550111 || || — || December 29, 2011 || Kitt Peak || Spacewatch || || align=right | 1.5 km || |-id=112 bgcolor=#E9E9E9| 550112 || || — || December 25, 2011 || Kitt Peak || Spacewatch || || align=right | 1.5 km || |-id=113 bgcolor=#E9E9E9| 550113 || || — || December 26, 2011 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=114 bgcolor=#E9E9E9| 550114 || || — || January 2, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=115 bgcolor=#E9E9E9| 550115 || || — || October 20, 2006 || Kitt Peak || Spacewatch || || align=right | 1.5 km || |-id=116 bgcolor=#E9E9E9| 550116 || || — || January 18, 2012 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=117 bgcolor=#fefefe| 550117 || || — || September 11, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.71" | 710 m || |-id=118 bgcolor=#E9E9E9| 550118 || || — || July 30, 2000 || Cerro Tololo || M. W. Buie, S. D. Kern || || align=right | 2.9 km || |-id=119 bgcolor=#d6d6d6| 550119 || || — || April 7, 2008 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=120 bgcolor=#E9E9E9| 550120 || || — || February 22, 2003 || Palomar || NEAT || || align=right | 2.8 km || |-id=121 bgcolor=#E9E9E9| 550121 || || — || December 29, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=122 bgcolor=#fefefe| 550122 || || — || December 26, 2011 || Kitt Peak || Spacewatch || H || align=right data-sort-value="0.61" | 610 m || |-id=123 bgcolor=#E9E9E9| 550123 || || — || October 5, 2002 || Palomar || NEAT || EUN || align=right | 1.5 km || |-id=124 bgcolor=#E9E9E9| 550124 || || — || February 10, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=125 bgcolor=#E9E9E9| 550125 || || — || January 19, 2012 || Haleakala || Pan-STARRS || || align=right | 1.8 km || |-id=126 bgcolor=#E9E9E9| 550126 || || — || February 16, 2004 || Kitt Peak || Spacewatch || || align=right | 1.1 km || |-id=127 bgcolor=#d6d6d6| 550127 || || — || August 23, 2004 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=128 bgcolor=#d6d6d6| 550128 || || — || January 3, 2012 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=129 bgcolor=#d6d6d6| 550129 || || — || February 19, 2001 || Socorro || LINEAR || || align=right | 4.2 km || |-id=130 bgcolor=#E9E9E9| 550130 || || — || November 2, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=131 bgcolor=#d6d6d6| 550131 || || — || November 4, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=132 bgcolor=#d6d6d6| 550132 || || — || January 19, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=133 bgcolor=#fefefe| 550133 || || — || September 15, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.75" | 750 m || |-id=134 bgcolor=#d6d6d6| 550134 || || — || January 19, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=135 bgcolor=#E9E9E9| 550135 || || — || December 30, 2011 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=136 bgcolor=#E9E9E9| 550136 || || — || January 19, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.0 km || |-id=137 bgcolor=#d6d6d6| 550137 || || — || January 19, 2012 || Mount Lemmon || Mount Lemmon Survey || 3:2 || align=right | 3.9 km || |-id=138 bgcolor=#E9E9E9| 550138 || || — || July 7, 2005 || Mauna Kea || Mauna Kea Obs. || || align=right | 1.2 km || |-id=139 bgcolor=#E9E9E9| 550139 || || — || September 18, 2006 || Mauna Kea || Q. s. observers || || align=right | 1.2 km || |-id=140 bgcolor=#E9E9E9| 550140 || || — || February 21, 2003 || Palomar || NEAT || || align=right | 2.5 km || |-id=141 bgcolor=#E9E9E9| 550141 || || — || December 26, 2006 || Catalina || CSS || || align=right | 2.9 km || |-id=142 bgcolor=#E9E9E9| 550142 || || — || January 21, 2012 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=143 bgcolor=#E9E9E9| 550143 || || — || January 21, 2012 || Haleakala || Pan-STARRS || || align=right | 1.6 km || |-id=144 bgcolor=#E9E9E9| 550144 || || — || February 18, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.94" | 940 m || |-id=145 bgcolor=#d6d6d6| 550145 || || — || January 18, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=146 bgcolor=#E9E9E9| 550146 || || — || January 25, 2012 || Haleakala || Pan-STARRS || || align=right | 1.7 km || |-id=147 bgcolor=#d6d6d6| 550147 || || — || December 7, 2005 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=148 bgcolor=#d6d6d6| 550148 || || — || December 29, 2011 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=149 bgcolor=#E9E9E9| 550149 || || — || November 2, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=150 bgcolor=#fefefe| 550150 || || — || October 8, 2004 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.78" | 780 m || |-id=151 bgcolor=#E9E9E9| 550151 || || — || January 30, 2003 || Haleakala || AMOS || || align=right | 2.4 km || |-id=152 bgcolor=#E9E9E9| 550152 || || — || September 28, 2006 || Catalina || CSS || || align=right | 1.6 km || |-id=153 bgcolor=#E9E9E9| 550153 || || — || January 4, 2012 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=154 bgcolor=#E9E9E9| 550154 || || — || May 3, 2005 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.90" | 900 m || |-id=155 bgcolor=#E9E9E9| 550155 || || — || March 29, 2008 || Catalina || CSS || || align=right | 1.5 km || |-id=156 bgcolor=#E9E9E9| 550156 || || — || September 30, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=157 bgcolor=#d6d6d6| 550157 || || — || December 19, 2011 || Oukaimeden || M. Ory || || align=right | 3.8 km || |-id=158 bgcolor=#E9E9E9| 550158 || || — || January 26, 2012 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=159 bgcolor=#E9E9E9| 550159 || || — || January 14, 2012 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=160 bgcolor=#fefefe| 550160 || || — || November 14, 2007 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.79" | 790 m || |-id=161 bgcolor=#E9E9E9| 550161 || || — || January 26, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.6 km || |-id=162 bgcolor=#d6d6d6| 550162 || || — || February 7, 2002 || Palomar || NEAT || || align=right | 3.2 km || |-id=163 bgcolor=#d6d6d6| 550163 || || — || November 28, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.4 km || |-id=164 bgcolor=#E9E9E9| 550164 || || — || December 24, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=165 bgcolor=#E9E9E9| 550165 || || — || March 8, 2003 || Nogales || P. R. Holvorcem, M. Schwartz || || align=right | 1.8 km || |-id=166 bgcolor=#E9E9E9| 550166 || || — || January 27, 2012 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=167 bgcolor=#E9E9E9| 550167 || || — || December 18, 2011 || Les Engarouines || L. Bernasconi || || align=right | 1.8 km || |-id=168 bgcolor=#E9E9E9| 550168 || || — || January 18, 2012 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=169 bgcolor=#E9E9E9| 550169 || || — || December 12, 2002 || Palomar || NEAT || || align=right | 1.7 km || |-id=170 bgcolor=#E9E9E9| 550170 || || — || January 27, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=171 bgcolor=#E9E9E9| 550171 || || — || February 7, 2008 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=172 bgcolor=#d6d6d6| 550172 || || — || December 30, 2011 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=173 bgcolor=#fefefe| 550173 || || — || January 27, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.60" | 600 m || |-id=174 bgcolor=#E9E9E9| 550174 || || — || February 8, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.89" | 890 m || |-id=175 bgcolor=#fefefe| 550175 || || — || June 14, 2010 || Mount Lemmon || Mount Lemmon Survey || H || align=right data-sort-value="0.56" | 560 m || |-id=176 bgcolor=#d6d6d6| 550176 || || — || October 9, 2010 || Catalina || CSS || || align=right | 3.4 km || |-id=177 bgcolor=#d6d6d6| 550177 || || — || November 22, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 4.5 km || |-id=178 bgcolor=#E9E9E9| 550178 || || — || January 20, 2012 || Haleakala || Pan-STARRS || || align=right | 1.5 km || |-id=179 bgcolor=#E9E9E9| 550179 || || — || April 12, 2008 || Catalina || CSS || || align=right | 1.6 km || |-id=180 bgcolor=#E9E9E9| 550180 || || — || January 25, 2012 || Haleakala || Pan-STARRS || EUN || align=right | 1.4 km || |-id=181 bgcolor=#E9E9E9| 550181 || || — || November 4, 2002 || Palomar || NEAT || || align=right | 1.5 km || |-id=182 bgcolor=#E9E9E9| 550182 || || — || January 29, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=183 bgcolor=#E9E9E9| 550183 || || — || January 20, 2012 || Catalina || CSS || EUN || align=right | 1.6 km || |-id=184 bgcolor=#E9E9E9| 550184 || || — || December 31, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=185 bgcolor=#E9E9E9| 550185 || || — || January 26, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.4 km || |-id=186 bgcolor=#E9E9E9| 550186 || || — || January 29, 2012 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=187 bgcolor=#E9E9E9| 550187 || || — || September 18, 2006 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=188 bgcolor=#E9E9E9| 550188 || || — || April 5, 2003 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=189 bgcolor=#E9E9E9| 550189 || || — || January 28, 2003 || Apache Point || SDSS Collaboration || || align=right | 2.1 km || |-id=190 bgcolor=#E9E9E9| 550190 || || — || March 8, 2008 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=191 bgcolor=#E9E9E9| 550191 || || — || January 30, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=192 bgcolor=#E9E9E9| 550192 || || — || September 16, 2010 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=193 bgcolor=#E9E9E9| 550193 || || — || January 30, 2012 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=194 bgcolor=#E9E9E9| 550194 || || — || January 30, 2012 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=195 bgcolor=#E9E9E9| 550195 || || — || January 30, 2012 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=196 bgcolor=#E9E9E9| 550196 || || — || January 30, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=197 bgcolor=#E9E9E9| 550197 || || — || January 21, 2012 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=198 bgcolor=#E9E9E9| 550198 || || — || January 20, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=199 bgcolor=#E9E9E9| 550199 || || — || January 21, 2012 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=200 bgcolor=#E9E9E9| 550200 || || — || December 13, 2015 || Haleakala || Pan-STARRS || || align=right | 1.6 km || |}

550201–550300

|-bgcolor=#E9E9E9| 550201 || || — || January 19, 2012 || Haleakala || Pan-STARRS || || align=right | 1.2 km || |-id=202 bgcolor=#fefefe| 550202 || || — || November 17, 2014 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.49" | 490 m || |-id=203 bgcolor=#E9E9E9| 550203 || || — || January 29, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=204 bgcolor=#E9E9E9| 550204 || || — || December 9, 2015 || Haleakala || Pan-STARRS || || align=right | 1.2 km || |-id=205 bgcolor=#d6d6d6| 550205 || || — || January 15, 2018 || Haleakala || Pan-STARRS || || align=right | 2.4 km || |-id=206 bgcolor=#E9E9E9| 550206 || || — || January 21, 2012 || Catalina || CSS || || align=right | 1.5 km || |-id=207 bgcolor=#E9E9E9| 550207 || || — || June 28, 2014 || Haleakala || Pan-STARRS || || align=right | 1.7 km || |-id=208 bgcolor=#E9E9E9| 550208 || || — || January 19, 2012 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=209 bgcolor=#E9E9E9| 550209 || || — || January 19, 2012 || Haleakala || Pan-STARRS || || align=right | 1.3 km || |-id=210 bgcolor=#E9E9E9| 550210 || || — || January 25, 2012 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=211 bgcolor=#E9E9E9| 550211 || || — || January 24, 2012 || Haleakala || Pan-STARRS || || align=right | 1.1 km || |-id=212 bgcolor=#d6d6d6| 550212 || || — || January 26, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=213 bgcolor=#fefefe| 550213 || || — || March 15, 2016 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.61" | 610 m || |-id=214 bgcolor=#E9E9E9| 550214 || || — || January 30, 2012 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=215 bgcolor=#fefefe| 550215 || || — || January 18, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.57" | 570 m || |-id=216 bgcolor=#E9E9E9| 550216 || || — || January 19, 2012 || Haleakala || Pan-STARRS || || align=right | 1.8 km || |-id=217 bgcolor=#E9E9E9| 550217 || || — || January 18, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.98" | 980 m || |-id=218 bgcolor=#d6d6d6| 550218 || || — || January 19, 2012 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=219 bgcolor=#E9E9E9| 550219 || || — || January 21, 2012 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=220 bgcolor=#E9E9E9| 550220 || || — || November 5, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=221 bgcolor=#E9E9E9| 550221 || || — || August 27, 2009 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=222 bgcolor=#E9E9E9| 550222 || || — || April 7, 2008 || Catalina || CSS || || align=right | 2.0 km || |-id=223 bgcolor=#E9E9E9| 550223 || || — || March 10, 2003 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=224 bgcolor=#E9E9E9| 550224 || || — || September 30, 2010 || Mount Lemmon || Mount Lemmon Survey || MRX || align=right data-sort-value="0.92" | 920 m || |-id=225 bgcolor=#E9E9E9| 550225 || || — || October 10, 2006 || Palomar || NEAT || EUN || align=right | 1.3 km || |-id=226 bgcolor=#E9E9E9| 550226 || || — || December 26, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.4 km || |-id=227 bgcolor=#E9E9E9| 550227 || || — || April 16, 2004 || Palomar || NEAT || || align=right | 1.8 km || |-id=228 bgcolor=#E9E9E9| 550228 || || — || January 19, 2012 || Haleakala || Pan-STARRS || || align=right | 1.8 km || |-id=229 bgcolor=#d6d6d6| 550229 || || — || March 8, 2005 || Mount Lemmon || Mount Lemmon Survey || 3:2 || align=right | 3.9 km || |-id=230 bgcolor=#E9E9E9| 550230 || || — || February 12, 2004 || Palomar || NEAT || || align=right | 1.3 km || |-id=231 bgcolor=#E9E9E9| 550231 || || — || August 31, 2005 || Kitt Peak || Spacewatch || PAD || align=right | 1.8 km || |-id=232 bgcolor=#E9E9E9| 550232 || || — || January 26, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=233 bgcolor=#E9E9E9| 550233 || || — || November 19, 2006 || Catalina || CSS || || align=right | 1.7 km || |-id=234 bgcolor=#E9E9E9| 550234 || || — || February 12, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.4 km || |-id=235 bgcolor=#E9E9E9| 550235 || || — || October 29, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=236 bgcolor=#E9E9E9| 550236 || || — || November 24, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.3 km || |-id=237 bgcolor=#E9E9E9| 550237 || || — || February 12, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=238 bgcolor=#E9E9E9| 550238 || || — || January 21, 2012 || Catalina || CSS || || align=right | 1.4 km || |-id=239 bgcolor=#E9E9E9| 550239 || || — || February 14, 2012 || Haleakala || Pan-STARRS || || align=right | 1.5 km || |-id=240 bgcolor=#E9E9E9| 550240 || || — || November 22, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=241 bgcolor=#d6d6d6| 550241 || || — || November 1, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=242 bgcolor=#E9E9E9| 550242 || || — || January 18, 2012 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=243 bgcolor=#E9E9E9| 550243 || || — || October 19, 2006 || Kitt Peak || L. H. Wasserman || || align=right | 1.3 km || |-id=244 bgcolor=#E9E9E9| 550244 || || — || January 19, 2012 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=245 bgcolor=#E9E9E9| 550245 || || — || February 3, 2012 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=246 bgcolor=#E9E9E9| 550246 || || — || January 27, 2012 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=247 bgcolor=#E9E9E9| 550247 || || — || January 19, 2012 || Haleakala || Pan-STARRS || || align=right | 1.4 km || |-id=248 bgcolor=#fefefe| 550248 || || — || January 19, 2012 || Kitt Peak || Spacewatch || H || align=right data-sort-value="0.60" | 600 m || |-id=249 bgcolor=#E9E9E9| 550249 || || — || August 8, 2005 || Cerro Tololo || Cerro Tololo Obs. || || align=right | 2.0 km || |-id=250 bgcolor=#E9E9E9| 550250 || || — || January 1, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=251 bgcolor=#d6d6d6| 550251 || || — || January 21, 2012 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=252 bgcolor=#E9E9E9| 550252 || || — || February 15, 2012 || Haleakala || Pan-STARRS || || align=right | 2.0 km || |-id=253 bgcolor=#E9E9E9| 550253 || || — || February 15, 2012 || Haleakala || Pan-STARRS || || align=right | 2.7 km || |-id=254 bgcolor=#d6d6d6| 550254 || || — || April 7, 2007 || Mount Lemmon || Mount Lemmon Survey || T_j (2.95) || align=right | 3.9 km || |-id=255 bgcolor=#E9E9E9| 550255 || || — || January 19, 2012 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=256 bgcolor=#E9E9E9| 550256 || || — || February 14, 2012 || Haleakala || Pan-STARRS || || align=right | 1.4 km || |-id=257 bgcolor=#E9E9E9| 550257 || || — || February 3, 2012 || Haleakala || Pan-STARRS || || align=right | 1.5 km || |-id=258 bgcolor=#E9E9E9| 550258 || || — || February 15, 2012 || Haleakala || Pan-STARRS || || align=right | 1.6 km || |-id=259 bgcolor=#fefefe| 550259 || || — || December 26, 2014 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.59" | 590 m || |-id=260 bgcolor=#d6d6d6| 550260 || || — || May 3, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=261 bgcolor=#E9E9E9| 550261 || || — || February 14, 2012 || Haleakala || Pan-STARRS || || align=right | 1.6 km || |-id=262 bgcolor=#E9E9E9| 550262 || || — || March 5, 2017 || Haleakala || Pan-STARRS || || align=right | 2.0 km || |-id=263 bgcolor=#E9E9E9| 550263 || || — || February 3, 2012 || Haleakala || Pan-STARRS || || align=right | 1.8 km || |-id=264 bgcolor=#E9E9E9| 550264 || || — || August 30, 2005 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=265 bgcolor=#E9E9E9| 550265 || || — || September 29, 2005 || Kitt Peak || Spacewatch || || align=right | 1.5 km || |-id=266 bgcolor=#E9E9E9| 550266 || || — || December 1, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=267 bgcolor=#E9E9E9| 550267 || || — || August 16, 2009 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=268 bgcolor=#E9E9E9| 550268 || || — || February 16, 2012 || Haleakala || Pan-STARRS || || align=right | 1.8 km || |-id=269 bgcolor=#E9E9E9| 550269 || || — || March 8, 2003 || Anderson Mesa || LONEOS || || align=right | 2.9 km || |-id=270 bgcolor=#E9E9E9| 550270 || || — || March 10, 2003 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=271 bgcolor=#FFC2E0| 550271 || || — || February 20, 2012 || Haleakala || Pan-STARRS || AMO || align=right data-sort-value="0.39" | 390 m || |-id=272 bgcolor=#E9E9E9| 550272 || || — || September 14, 2005 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=273 bgcolor=#E9E9E9| 550273 || || — || November 2, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=274 bgcolor=#E9E9E9| 550274 || || — || January 3, 2012 || Kitt Peak || Spacewatch || || align=right | 1.5 km || |-id=275 bgcolor=#E9E9E9| 550275 || || — || November 5, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=276 bgcolor=#E9E9E9| 550276 || || — || January 17, 2007 || Catalina || CSS || || align=right | 2.3 km || |-id=277 bgcolor=#E9E9E9| 550277 || || — || February 22, 2012 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=278 bgcolor=#E9E9E9| 550278 || || — || October 31, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.3 km || |-id=279 bgcolor=#E9E9E9| 550279 || || — || August 27, 2005 || Palomar || NEAT || || align=right | 2.1 km || |-id=280 bgcolor=#E9E9E9| 550280 || || — || January 10, 2007 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=281 bgcolor=#E9E9E9| 550281 || || — || May 5, 2008 || Catalina || CSS || || align=right | 2.1 km || |-id=282 bgcolor=#E9E9E9| 550282 || || — || April 1, 2003 || Apache Point || SDSS Collaboration || || align=right | 1.9 km || |-id=283 bgcolor=#d6d6d6| 550283 || || — || December 30, 2011 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=284 bgcolor=#E9E9E9| 550284 || || — || August 7, 2004 || Palomar || NEAT || || align=right | 1.7 km || |-id=285 bgcolor=#E9E9E9| 550285 || || — || October 1, 2005 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=286 bgcolor=#E9E9E9| 550286 || || — || February 9, 2007 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=287 bgcolor=#E9E9E9| 550287 || || — || August 31, 2005 || Palomar || NEAT || || align=right | 1.9 km || |-id=288 bgcolor=#E9E9E9| 550288 || || — || February 25, 2003 || Campo Imperatore || CINEOS || || align=right | 2.1 km || |-id=289 bgcolor=#E9E9E9| 550289 || || — || December 28, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.4 km || |-id=290 bgcolor=#E9E9E9| 550290 || || — || October 15, 2001 || Palomar || NEAT || || align=right | 2.1 km || |-id=291 bgcolor=#E9E9E9| 550291 || || — || February 23, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=292 bgcolor=#E9E9E9| 550292 || || — || February 26, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=293 bgcolor=#fefefe| 550293 || || — || February 24, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.71" | 710 m || |-id=294 bgcolor=#E9E9E9| 550294 || || — || February 1, 2012 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=295 bgcolor=#E9E9E9| 550295 || || — || January 18, 2012 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=296 bgcolor=#E9E9E9| 550296 || || — || April 1, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.6 km || |-id=297 bgcolor=#fefefe| 550297 || || — || February 9, 2005 || Anderson Mesa || LONEOS || || align=right data-sort-value="0.71" | 710 m || |-id=298 bgcolor=#fefefe| 550298 || || — || April 16, 2005 || Vail-Jarnac || Jarnac Obs. || || align=right data-sort-value="0.78" | 780 m || |-id=299 bgcolor=#E9E9E9| 550299 || || — || September 19, 2010 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=300 bgcolor=#E9E9E9| 550300 || || — || January 19, 2012 || Haleakala || Pan-STARRS || || align=right | 1.8 km || |}

550301–550400

|-bgcolor=#E9E9E9| 550301 || || — || January 27, 2003 || Palomar || NEAT || || align=right | 2.2 km || |-id=302 bgcolor=#E9E9E9| 550302 || || — || August 25, 2000 || Cerro Tololo || R. Millis, L. H. Wasserman || || align=right | 2.3 km || |-id=303 bgcolor=#E9E9E9| 550303 || || — || October 11, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.3 km || |-id=304 bgcolor=#E9E9E9| 550304 || || — || March 29, 2008 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=305 bgcolor=#d6d6d6| 550305 || || — || November 1, 2005 || Kitt Peak || Spacewatch || T_j (2.98) || align=right | 4.2 km || |-id=306 bgcolor=#E9E9E9| 550306 || || — || April 16, 2004 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=307 bgcolor=#E9E9E9| 550307 || || — || January 29, 2003 || Palomar || NEAT || || align=right | 1.6 km || |-id=308 bgcolor=#E9E9E9| 550308 || || — || October 23, 2001 || Palomar || NEAT || || align=right | 2.9 km || |-id=309 bgcolor=#E9E9E9| 550309 || || — || January 30, 2003 || Palomar || NEAT || || align=right | 1.5 km || |-id=310 bgcolor=#C7FF8F| 550310 || || — || January 19, 2012 || Haleakala || Pan-STARRS || centaur || align=right | 55 km || |-id=311 bgcolor=#E9E9E9| 550311 || || — || March 24, 2003 || Haleakala || AMOS || || align=right | 2.7 km || |-id=312 bgcolor=#fefefe| 550312 || || — || January 18, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.62" | 620 m || |-id=313 bgcolor=#E9E9E9| 550313 || || — || February 13, 2012 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=314 bgcolor=#E9E9E9| 550314 || || — || February 24, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.94" | 940 m || |-id=315 bgcolor=#E9E9E9| 550315 || || — || February 24, 2012 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=316 bgcolor=#E9E9E9| 550316 || || — || December 25, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=317 bgcolor=#E9E9E9| 550317 || || — || December 21, 2006 || Kitt Peak || L. H. Wasserman || GEF || align=right | 1.6 km || |-id=318 bgcolor=#E9E9E9| 550318 || || — || August 6, 2005 || Palomar || NEAT || || align=right | 1.5 km || |-id=319 bgcolor=#E9E9E9| 550319 || || — || April 4, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.7 km || |-id=320 bgcolor=#E9E9E9| 550320 || || — || February 15, 2012 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=321 bgcolor=#E9E9E9| 550321 || || — || August 6, 2005 || Palomar || NEAT || || align=right | 2.4 km || |-id=322 bgcolor=#E9E9E9| 550322 || || — || February 23, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=323 bgcolor=#E9E9E9| 550323 || || — || August 26, 2005 || Palomar || NEAT || || align=right | 2.8 km || |-id=324 bgcolor=#E9E9E9| 550324 || || — || March 14, 2012 || Haleakala || Pan-STARRS || HNS || align=right | 1.4 km || |-id=325 bgcolor=#E9E9E9| 550325 || || — || February 21, 2012 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=326 bgcolor=#E9E9E9| 550326 || || — || August 31, 2005 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=327 bgcolor=#E9E9E9| 550327 || || — || November 12, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=328 bgcolor=#E9E9E9| 550328 || || — || April 6, 2008 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=329 bgcolor=#E9E9E9| 550329 || || — || February 23, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=330 bgcolor=#E9E9E9| 550330 || || — || February 27, 2012 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=331 bgcolor=#E9E9E9| 550331 || || — || October 26, 2005 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=332 bgcolor=#E9E9E9| 550332 || || — || January 29, 2007 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=333 bgcolor=#E9E9E9| 550333 || || — || February 29, 2012 || Oukaimeden || M. Ory || || align=right | 1.9 km || |-id=334 bgcolor=#E9E9E9| 550334 || || — || February 20, 2012 || Haleakala || Pan-STARRS || || align=right | 2.2 km || |-id=335 bgcolor=#E9E9E9| 550335 || || — || February 28, 2012 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=336 bgcolor=#fefefe| 550336 || || — || February 27, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.65" | 650 m || |-id=337 bgcolor=#fefefe| 550337 || || — || February 16, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.57" | 570 m || |-id=338 bgcolor=#E9E9E9| 550338 || || — || February 20, 2012 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=339 bgcolor=#E9E9E9| 550339 || || — || February 18, 2012 || Catalina || CSS || || align=right | 1.7 km || |-id=340 bgcolor=#E9E9E9| 550340 || || — || October 28, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=341 bgcolor=#E9E9E9| 550341 || || — || February 27, 2012 || Haleakala || Pan-STARRS || || align=right | 1.5 km || |-id=342 bgcolor=#E9E9E9| 550342 || || — || January 19, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=343 bgcolor=#E9E9E9| 550343 || || — || February 27, 2012 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=344 bgcolor=#E9E9E9| 550344 || || — || February 20, 2012 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=345 bgcolor=#E9E9E9| 550345 || || — || January 10, 2007 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=346 bgcolor=#E9E9E9| 550346 || || — || March 13, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.3 km || |-id=347 bgcolor=#E9E9E9| 550347 || || — || February 26, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.86" | 860 m || |-id=348 bgcolor=#E9E9E9| 550348 || || — || January 19, 2012 || Haleakala || Pan-STARRS || || align=right | 1.1 km || |-id=349 bgcolor=#E9E9E9| 550349 || || — || March 22, 2012 || Catalina || CSS || || align=right | 2.1 km || |-id=350 bgcolor=#fefefe| 550350 || || — || March 14, 2012 || Haleakala || Pan-STARRS || H || align=right data-sort-value="0.64" | 640 m || |-id=351 bgcolor=#E9E9E9| 550351 || || — || May 8, 2013 || Haleakala || Pan-STARRS || || align=right | 1.0 km || |-id=352 bgcolor=#E9E9E9| 550352 || || — || April 24, 2003 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=353 bgcolor=#E9E9E9| 550353 || || — || January 28, 2016 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=354 bgcolor=#E9E9E9| 550354 || || — || March 15, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=355 bgcolor=#E9E9E9| 550355 || || — || March 15, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=356 bgcolor=#E9E9E9| 550356 || || — || March 15, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.3 km || |-id=357 bgcolor=#E9E9E9| 550357 || || — || March 14, 2012 || Catalina || CSS || || align=right | 2.1 km || |-id=358 bgcolor=#E9E9E9| 550358 || || — || March 15, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.0 km || |-id=359 bgcolor=#E9E9E9| 550359 || || — || December 27, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=360 bgcolor=#E9E9E9| 550360 || || — || January 10, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=361 bgcolor=#E9E9E9| 550361 || || — || February 29, 2012 || Catalina || CSS || || align=right | 2.6 km || |-id=362 bgcolor=#fefefe| 550362 || || — || April 16, 2005 || Kitt Peak || Spacewatch || MAS || align=right data-sort-value="0.65" | 650 m || |-id=363 bgcolor=#E9E9E9| 550363 || || — || March 31, 2003 || Apache Point || SDSS Collaboration || || align=right | 3.0 km || |-id=364 bgcolor=#E9E9E9| 550364 || || — || March 18, 2012 || Piszkesteto || K. Sárneczky || || align=right | 1.6 km || |-id=365 bgcolor=#E9E9E9| 550365 || || — || April 27, 2008 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=366 bgcolor=#E9E9E9| 550366 || || — || March 17, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=367 bgcolor=#E9E9E9| 550367 || || — || February 21, 2012 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=368 bgcolor=#E9E9E9| 550368 || || — || February 25, 2012 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=369 bgcolor=#E9E9E9| 550369 || || — || October 7, 2010 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=370 bgcolor=#E9E9E9| 550370 || || — || March 26, 2003 || Kitt Peak || Spacewatch || WIT || align=right | 1.4 km || |-id=371 bgcolor=#fefefe| 550371 || || — || April 16, 2005 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.78" | 780 m || |-id=372 bgcolor=#E9E9E9| 550372 || || — || November 9, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=373 bgcolor=#E9E9E9| 550373 || || — || March 10, 2003 || Anderson Mesa || LONEOS || ADE || align=right | 1.9 km || |-id=374 bgcolor=#E9E9E9| 550374 || || — || March 16, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.7 km || |-id=375 bgcolor=#fefefe| 550375 || || — || March 13, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.66" | 660 m || |-id=376 bgcolor=#fefefe| 550376 || || — || October 10, 2004 || Kitt Peak || L. H. Wasserman, J. R. Lovering || || align=right data-sort-value="0.59" | 590 m || |-id=377 bgcolor=#E9E9E9| 550377 || || — || February 24, 2012 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=378 bgcolor=#E9E9E9| 550378 || || — || March 24, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=379 bgcolor=#E9E9E9| 550379 || || — || March 12, 2012 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=380 bgcolor=#E9E9E9| 550380 || || — || March 22, 2012 || Catalina || CSS || || align=right | 2.7 km || |-id=381 bgcolor=#E9E9E9| 550381 || || — || February 27, 2012 || Haleakala || Pan-STARRS || || align=right | 1.3 km || |-id=382 bgcolor=#E9E9E9| 550382 || || — || November 28, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=383 bgcolor=#E9E9E9| 550383 || || — || September 15, 2009 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=384 bgcolor=#E9E9E9| 550384 || || — || March 28, 2012 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=385 bgcolor=#d6d6d6| 550385 || || — || November 1, 2000 || Kitt Peak || Spacewatch || || align=right | 3.4 km || |-id=386 bgcolor=#fefefe| 550386 || || — || May 10, 2005 || Kitt Peak || Spacewatch || ERI || align=right | 1.6 km || |-id=387 bgcolor=#E9E9E9| 550387 || || — || March 24, 2012 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=388 bgcolor=#E9E9E9| 550388 || || — || March 10, 2003 || Anderson Mesa || LONEOS || || align=right | 2.9 km || |-id=389 bgcolor=#fefefe| 550389 || || — || January 2, 2011 || Mayhill-ISON || L. Elenin || V || align=right data-sort-value="0.92" | 920 m || |-id=390 bgcolor=#fefefe| 550390 || || — || April 12, 2005 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.62" | 620 m || |-id=391 bgcolor=#E9E9E9| 550391 || || — || February 23, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=392 bgcolor=#d6d6d6| 550392 || || — || January 28, 2006 || Catalina || CSS || || align=right | 4.4 km || |-id=393 bgcolor=#E9E9E9| 550393 || || — || March 21, 2012 || Catalina || CSS || || align=right | 1.7 km || |-id=394 bgcolor=#E9E9E9| 550394 || || — || March 24, 2012 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=395 bgcolor=#E9E9E9| 550395 || || — || March 29, 2012 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=396 bgcolor=#d6d6d6| 550396 || || — || March 28, 2012 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=397 bgcolor=#E9E9E9| 550397 || || — || March 5, 2008 || Kitt Peak || Spacewatch || || align=right | 1.1 km || |-id=398 bgcolor=#d6d6d6| 550398 || || — || December 4, 2015 || Haleakala || Pan-STARRS || || align=right | 2.9 km || |-id=399 bgcolor=#E9E9E9| 550399 || || — || April 1, 2017 || Haleakala || Pan-STARRS || || align=right | 2.1 km || |-id=400 bgcolor=#E9E9E9| 550400 || || — || March 23, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |}

550401–550500

|-bgcolor=#d6d6d6| 550401 || || — || March 29, 2012 || Haleakala || Pan-STARRS || || align=right | 2.2 km || |-id=402 bgcolor=#fefefe| 550402 || || — || March 14, 2012 || Haleakala || Pan-STARRS || H || align=right data-sort-value="0.44" | 440 m || |-id=403 bgcolor=#E9E9E9| 550403 || || — || April 1, 2012 || Catalina || CSS || || align=right | 1.8 km || |-id=404 bgcolor=#E9E9E9| 550404 || || — || April 29, 2003 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=405 bgcolor=#E9E9E9| 550405 || || — || March 5, 2012 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=406 bgcolor=#E9E9E9| 550406 || || — || April 13, 2012 || Haleakala || Pan-STARRS || || align=right | 1.8 km || |-id=407 bgcolor=#E9E9E9| 550407 || || — || January 4, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=408 bgcolor=#E9E9E9| 550408 || || — || November 17, 2006 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=409 bgcolor=#E9E9E9| 550409 || || — || February 14, 2007 || Lulin || LUSS || || align=right | 2.7 km || |-id=410 bgcolor=#E9E9E9| 550410 || || — || March 11, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=411 bgcolor=#E9E9E9| 550411 || || — || April 13, 2012 || Haleakala || Pan-STARRS || || align=right | 1.8 km || |-id=412 bgcolor=#fefefe| 550412 || || — || August 22, 2009 || Hibiscus || N. Teamo || NYS || align=right data-sort-value="0.55" | 550 m || |-id=413 bgcolor=#E9E9E9| 550413 || || — || March 27, 2003 || Palomar || NEAT || || align=right | 1.4 km || |-id=414 bgcolor=#E9E9E9| 550414 || || — || November 1, 1999 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=415 bgcolor=#E9E9E9| 550415 || || — || April 12, 2012 || Haleakala || Pan-STARRS || || align=right | 2.2 km || |-id=416 bgcolor=#E9E9E9| 550416 || || — || November 3, 2005 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=417 bgcolor=#E9E9E9| 550417 || || — || October 24, 2005 || Kitt Peak || Spacewatch || GEF || align=right | 1.1 km || |-id=418 bgcolor=#E9E9E9| 550418 || || — || March 9, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=419 bgcolor=#E9E9E9| 550419 || || — || July 29, 2008 || Crni Vrh || J. Zakrajšek || || align=right | 2.8 km || |-id=420 bgcolor=#E9E9E9| 550420 || || — || April 15, 2012 || Haleakala || Pan-STARRS || || align=right | 2.7 km || |-id=421 bgcolor=#E9E9E9| 550421 || || — || April 15, 2012 || Haleakala || Pan-STARRS || || align=right | 2.1 km || |-id=422 bgcolor=#E9E9E9| 550422 || || — || August 9, 2013 || Catalina || CSS || || align=right | 2.3 km || |-id=423 bgcolor=#fefefe| 550423 || || — || October 31, 2005 || Palomar || NEAT || H || align=right data-sort-value="0.73" | 730 m || |-id=424 bgcolor=#E9E9E9| 550424 || || — || March 27, 2012 || Catalina || CSS || || align=right | 1.8 km || |-id=425 bgcolor=#E9E9E9| 550425 || || — || April 15, 2012 || Haleakala || Pan-STARRS || || align=right | 2.7 km || |-id=426 bgcolor=#fefefe| 550426 || || — || December 20, 2007 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.64" | 640 m || |-id=427 bgcolor=#E9E9E9| 550427 || || — || February 8, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=428 bgcolor=#FA8072| 550428 || || — || June 6, 2002 || Palomar || NEAT || || align=right data-sort-value="0.66" | 660 m || |-id=429 bgcolor=#E9E9E9| 550429 || || — || April 15, 2012 || Haleakala || Pan-STARRS || || align=right | 2.2 km || |-id=430 bgcolor=#E9E9E9| 550430 || || — || December 6, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=431 bgcolor=#E9E9E9| 550431 || || — || April 15, 2012 || Haleakala || Pan-STARRS || || align=right | 1.3 km || |-id=432 bgcolor=#E9E9E9| 550432 || || — || April 24, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=433 bgcolor=#fefefe| 550433 || || — || March 4, 2001 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.72" | 720 m || |-id=434 bgcolor=#E9E9E9| 550434 || || — || March 24, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=435 bgcolor=#E9E9E9| 550435 || || — || March 29, 2012 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=436 bgcolor=#d6d6d6| 550436 || || — || April 22, 2012 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=437 bgcolor=#E9E9E9| 550437 || || — || March 15, 2007 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=438 bgcolor=#E9E9E9| 550438 || || — || March 29, 2012 || Siding Spring || SSS || || align=right | 1.5 km || |-id=439 bgcolor=#E9E9E9| 550439 || || — || May 28, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=440 bgcolor=#E9E9E9| 550440 || || — || February 22, 2007 || Catalina || CSS || || align=right | 2.7 km || |-id=441 bgcolor=#E9E9E9| 550441 || || — || April 15, 2012 || Haleakala || Pan-STARRS || || align=right | 2.8 km || |-id=442 bgcolor=#fefefe| 550442 || || — || April 27, 2012 || Haleakala || Pan-STARRS || || align=right | 1.0 km || |-id=443 bgcolor=#E9E9E9| 550443 || || — || April 15, 2012 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=444 bgcolor=#E9E9E9| 550444 || || — || January 29, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=445 bgcolor=#E9E9E9| 550445 || || — || November 17, 2009 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=446 bgcolor=#d6d6d6| 550446 || || — || April 19, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=447 bgcolor=#E9E9E9| 550447 || || — || April 19, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.7 km || |-id=448 bgcolor=#E9E9E9| 550448 || || — || April 20, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=449 bgcolor=#d6d6d6| 550449 || || — || April 12, 2002 || Palomar || NEAT || || align=right | 3.9 km || |-id=450 bgcolor=#E9E9E9| 550450 || || — || April 28, 2003 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=451 bgcolor=#d6d6d6| 550451 || || — || April 19, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=452 bgcolor=#E9E9E9| 550452 || || — || September 20, 2009 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=453 bgcolor=#E9E9E9| 550453 || || — || April 21, 2012 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=454 bgcolor=#fefefe| 550454 || || — || April 27, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.62" | 620 m || |-id=455 bgcolor=#E9E9E9| 550455 || || — || April 19, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.7 km || |-id=456 bgcolor=#E9E9E9| 550456 || || — || April 18, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=457 bgcolor=#fefefe| 550457 || || — || April 21, 2012 || Mayhill-ISON || L. Elenin || || align=right data-sort-value="0.77" | 770 m || |-id=458 bgcolor=#d6d6d6| 550458 || || — || April 30, 2012 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=459 bgcolor=#E9E9E9| 550459 || || — || April 15, 2012 || Haleakala || Pan-STARRS || || align=right | 2.8 km || |-id=460 bgcolor=#E9E9E9| 550460 || || — || December 13, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=461 bgcolor=#E9E9E9| 550461 || || — || March 12, 2002 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=462 bgcolor=#E9E9E9| 550462 || || — || January 12, 2002 || Palomar || NEAT || || align=right | 3.1 km || |-id=463 bgcolor=#E9E9E9| 550463 || || — || August 21, 2008 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=464 bgcolor=#E9E9E9| 550464 || || — || May 12, 2012 || Haleakala || Pan-STARRS || || align=right | 1.8 km || |-id=465 bgcolor=#fefefe| 550465 || || — || February 13, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.80" | 800 m || |-id=466 bgcolor=#E9E9E9| 550466 || || — || March 15, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=467 bgcolor=#fefefe| 550467 || || — || April 20, 2012 || Mount Lemmon || Mount Lemmon Survey || H || align=right data-sort-value="0.54" | 540 m || |-id=468 bgcolor=#E9E9E9| 550468 || || — || January 2, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=469 bgcolor=#fefefe| 550469 || || — || April 13, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.82" | 820 m || |-id=470 bgcolor=#E9E9E9| 550470 || || — || October 18, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=471 bgcolor=#E9E9E9| 550471 || || — || March 19, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.4 km || |-id=472 bgcolor=#d6d6d6| 550472 || || — || May 15, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.4 km || |-id=473 bgcolor=#fefefe| 550473 || || — || September 11, 2005 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.71" | 710 m || |-id=474 bgcolor=#d6d6d6| 550474 || || — || March 14, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=475 bgcolor=#fefefe| 550475 || || — || July 29, 2000 || Anderson Mesa || LONEOS || || align=right data-sort-value="0.80" | 800 m || |-id=476 bgcolor=#E9E9E9| 550476 || || — || October 7, 2004 || Palomar || NEAT || GEF || align=right | 1.4 km || |-id=477 bgcolor=#E9E9E9| 550477 || || — || May 1, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=478 bgcolor=#E9E9E9| 550478 || || — || March 28, 2012 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=479 bgcolor=#E9E9E9| 550479 || || — || March 9, 2002 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=480 bgcolor=#E9E9E9| 550480 || || — || May 14, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=481 bgcolor=#E9E9E9| 550481 || || — || November 10, 2009 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=482 bgcolor=#d6d6d6| 550482 || || — || April 19, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=483 bgcolor=#fefefe| 550483 || || — || May 12, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.78" | 780 m || |-id=484 bgcolor=#fefefe| 550484 || || — || April 15, 2004 || Apache Point || SDSS Collaboration || H || align=right data-sort-value="0.83" | 830 m || |-id=485 bgcolor=#E9E9E9| 550485 || || — || December 30, 2005 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=486 bgcolor=#fefefe| 550486 || || — || February 25, 2003 || Haleakala || AMOS || || align=right data-sort-value="0.94" | 940 m || |-id=487 bgcolor=#E9E9E9| 550487 || || — || April 27, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=488 bgcolor=#fefefe| 550488 || || — || August 21, 2002 || Palomar || NEAT || H || align=right data-sort-value="0.82" | 820 m || |-id=489 bgcolor=#d6d6d6| 550489 || || — || May 16, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=490 bgcolor=#fefefe| 550490 || || — || September 18, 2003 || Haleakala || AMOS || || align=right data-sort-value="0.86" | 860 m || |-id=491 bgcolor=#E9E9E9| 550491 || || — || February 8, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=492 bgcolor=#E9E9E9| 550492 || || — || December 28, 2005 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=493 bgcolor=#E9E9E9| 550493 || || — || May 16, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.83" | 830 m || |-id=494 bgcolor=#fefefe| 550494 || || — || February 26, 2008 || Mount Lemmon || Mount Lemmon Survey || MAS || align=right data-sort-value="0.59" | 590 m || |-id=495 bgcolor=#E9E9E9| 550495 || || — || September 11, 2004 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=496 bgcolor=#E9E9E9| 550496 || || — || February 7, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=497 bgcolor=#fefefe| 550497 || || — || April 27, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.71" | 710 m || |-id=498 bgcolor=#d6d6d6| 550498 || || — || April 21, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=499 bgcolor=#d6d6d6| 550499 || || — || January 7, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=500 bgcolor=#d6d6d6| 550500 || || — || January 18, 2005 || Kitt Peak || Spacewatch || || align=right | 4.4 km || |}

550501–550600

|-bgcolor=#d6d6d6| 550501 || || — || September 9, 2013 || Haleakala || Pan-STARRS || || align=right | 2.1 km || |-id=502 bgcolor=#d6d6d6| 550502 || || — || May 18, 2012 || Haleakala || Pan-STARRS || || align=right | 2.4 km || |-id=503 bgcolor=#fefefe| 550503 || || — || June 9, 2012 || Haleakala || Pan-STARRS || H || align=right data-sort-value="0.68" | 680 m || |-id=504 bgcolor=#E9E9E9| 550504 || || — || September 7, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=505 bgcolor=#fefefe| 550505 || || — || March 11, 2008 || Siding Spring || SSS || || align=right | 1.4 km || |-id=506 bgcolor=#d6d6d6| 550506 || || — || May 16, 2012 || Kitt Peak || Spacewatch || || align=right | 4.2 km || |-id=507 bgcolor=#d6d6d6| 550507 || || — || October 24, 2009 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=508 bgcolor=#fefefe| 550508 || || — || September 1, 2005 || Palomar || NEAT || || align=right data-sort-value="0.98" | 980 m || |-id=509 bgcolor=#E9E9E9| 550509 || || — || March 16, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.4 km || |-id=510 bgcolor=#d6d6d6| 550510 || || — || May 13, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=511 bgcolor=#d6d6d6| 550511 || || — || October 29, 2003 || Socorro || LINEAR || || align=right | 3.1 km || |-id=512 bgcolor=#d6d6d6| 550512 || || — || February 10, 2016 || Haleakala || Pan-STARRS || || align=right | 3.4 km || |-id=513 bgcolor=#d6d6d6| 550513 || || — || September 21, 2003 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=514 bgcolor=#d6d6d6| 550514 || || — || March 11, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.2 km || |-id=515 bgcolor=#d6d6d6| 550515 || || — || October 17, 2003 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=516 bgcolor=#fefefe| 550516 || || — || December 11, 2006 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.90" | 900 m || |-id=517 bgcolor=#d6d6d6| 550517 || || — || June 16, 2012 || Haleakala || Pan-STARRS || || align=right | 3.7 km || |-id=518 bgcolor=#d6d6d6| 550518 || || — || October 25, 2003 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=519 bgcolor=#d6d6d6| 550519 || || — || November 21, 2008 || Kitt Peak || Spacewatch || || align=right | 3.4 km || |-id=520 bgcolor=#d6d6d6| 550520 || || — || December 29, 2003 || Kitt Peak || Spacewatch || || align=right | 4.0 km || |-id=521 bgcolor=#d6d6d6| 550521 || || — || June 19, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=522 bgcolor=#d6d6d6| 550522 || || — || December 8, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=523 bgcolor=#d6d6d6| 550523 || || — || June 14, 2007 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=524 bgcolor=#d6d6d6| 550524 || || — || June 17, 2012 || Kitt Peak || Spacewatch || || align=right | 3.1 km || |-id=525 bgcolor=#d6d6d6| 550525 Sigourneyweaver || || || July 12, 2012 || Zelenchukskaya Stn || T. V. Kryachko, B. Satovski || T_j (2.96) || align=right | 3.2 km || |-id=526 bgcolor=#FA8072| 550526 || || — || July 16, 2012 || Castelmartini || E. Prosperi, S. Prosperi || H || align=right data-sort-value="0.57" | 570 m || |-id=527 bgcolor=#d6d6d6| 550527 || || — || October 5, 2007 || Kitt Peak || Spacewatch || || align=right | 3.9 km || |-id=528 bgcolor=#d6d6d6| 550528 || || — || September 21, 2007 || XuYi || PMO NEO || || align=right | 3.4 km || |-id=529 bgcolor=#d6d6d6| 550529 || || — || July 21, 2012 || Siding Spring || SSS || || align=right | 2.8 km || |-id=530 bgcolor=#E9E9E9| 550530 || || — || July 19, 2012 || Siding Spring || SSS || || align=right | 1.4 km || |-id=531 bgcolor=#fefefe| 550531 || || — || August 27, 2005 || Palomar || NEAT || || align=right data-sort-value="0.94" | 940 m || |-id=532 bgcolor=#fefefe| 550532 || || — || November 17, 2009 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.68" | 680 m || |-id=533 bgcolor=#d6d6d6| 550533 || || — || August 8, 2012 || Haleakala || Pan-STARRS || || align=right | 3.2 km || |-id=534 bgcolor=#d6d6d6| 550534 || || — || July 28, 2012 || Haleakala || Pan-STARRS || || align=right | 3.6 km || |-id=535 bgcolor=#d6d6d6| 550535 || || — || August 8, 2012 || Haleakala || Pan-STARRS || T_j (2.99) || align=right | 3.9 km || |-id=536 bgcolor=#d6d6d6| 550536 || || — || April 28, 2011 || Haleakala || Pan-STARRS || || align=right | 3.1 km || |-id=537 bgcolor=#d6d6d6| 550537 || || — || August 8, 2012 || Haleakala || Pan-STARRS || || align=right | 3.1 km || |-id=538 bgcolor=#fefefe| 550538 || || — || September 14, 2004 || Socorro || LINEAR || H || align=right data-sort-value="0.93" | 930 m || |-id=539 bgcolor=#fefefe| 550539 || || — || August 10, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.68" | 680 m || |-id=540 bgcolor=#fefefe| 550540 || || — || August 16, 2002 || Palomar || NEAT || || align=right data-sort-value="0.71" | 710 m || |-id=541 bgcolor=#fefefe| 550541 || || — || January 13, 2010 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=542 bgcolor=#d6d6d6| 550542 || || — || December 2, 2008 || Kitt Peak || Spacewatch || || align=right | 3.7 km || |-id=543 bgcolor=#d6d6d6| 550543 || || — || December 4, 2007 || Catalina || CSS || || align=right | 3.5 km || |-id=544 bgcolor=#d6d6d6| 550544 || || — || August 5, 2007 || Great Shefford || P. Birtwhistle || || align=right | 2.4 km || |-id=545 bgcolor=#d6d6d6| 550545 || || — || August 13, 2012 || Haleakala || Pan-STARRS || || align=right | 3.1 km || |-id=546 bgcolor=#d6d6d6| 550546 || || — || August 12, 2012 || Siding Spring || SSS || || align=right | 3.1 km || |-id=547 bgcolor=#d6d6d6| 550547 || || — || August 13, 2012 || Haleakala || Pan-STARRS || || align=right | 2.7 km || |-id=548 bgcolor=#d6d6d6| 550548 || || — || September 9, 2007 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=549 bgcolor=#d6d6d6| 550549 || || — || March 11, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.4 km || |-id=550 bgcolor=#fefefe| 550550 || || — || July 18, 2012 || Catalina || CSS || || align=right data-sort-value="0.94" | 940 m || |-id=551 bgcolor=#d6d6d6| 550551 || || — || September 18, 2007 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=552 bgcolor=#fefefe| 550552 || || — || January 25, 2011 || Mount Lemmon || Mount Lemmon Survey || H || align=right data-sort-value="0.45" | 450 m || |-id=553 bgcolor=#fefefe| 550553 || || — || August 11, 2012 || Siding Spring || SSS || || align=right data-sort-value="0.68" | 680 m || |-id=554 bgcolor=#d6d6d6| 550554 || || — || August 24, 2001 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=555 bgcolor=#d6d6d6| 550555 || || — || August 6, 2012 || Haleakala || Pan-STARRS || || align=right | 3.4 km || |-id=556 bgcolor=#d6d6d6| 550556 || || — || June 23, 1995 || Kitt Peak || Spacewatch || || align=right | 3.5 km || |-id=557 bgcolor=#d6d6d6| 550557 || || — || November 20, 2008 || Kitt Peak || Spacewatch || || align=right | 3.7 km || |-id=558 bgcolor=#E9E9E9| 550558 || || — || August 13, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.83" | 830 m || |-id=559 bgcolor=#d6d6d6| 550559 || || — || August 6, 2012 || Haleakala || Pan-STARRS || || align=right | 2.9 km || |-id=560 bgcolor=#d6d6d6| 550560 || || — || February 17, 2004 || Kitt Peak || Spacewatch || || align=right | 3.4 km || |-id=561 bgcolor=#fefefe| 550561 || || — || August 13, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.75" | 750 m || |-id=562 bgcolor=#d6d6d6| 550562 || || — || August 10, 2012 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=563 bgcolor=#d6d6d6| 550563 || || — || March 21, 2004 || Kitt Peak || Spacewatch || || align=right | 3.1 km || |-id=564 bgcolor=#C2E0FF| 550564 || || — || August 17, 2011 || Haleakala || Pan-STARRS || other TNOcritical || align=right | 172 km || |-id=565 bgcolor=#E9E9E9| 550565 || || — || July 15, 2016 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.78" | 780 m || |-id=566 bgcolor=#fefefe| 550566 || || — || February 24, 2014 || Haleakala || Pan-STARRS || || align=right | 1.0 km || |-id=567 bgcolor=#fefefe| 550567 || || — || August 12, 2012 || Siding Spring || SSS || || align=right data-sort-value="0.78" | 780 m || |-id=568 bgcolor=#d6d6d6| 550568 || || — || August 9, 2012 || Les Engarouines || L. Bernasconi || || align=right | 3.4 km || |-id=569 bgcolor=#d6d6d6| 550569 || || — || January 16, 2015 || Haleakala || Pan-STARRS || || align=right | 3.2 km || |-id=570 bgcolor=#d6d6d6| 550570 || || — || August 13, 2012 || Haleakala || Pan-STARRS || || align=right | 2.4 km || |-id=571 bgcolor=#d6d6d6| 550571 || || — || August 13, 2012 || Haleakala || Pan-STARRS || || align=right | 2.1 km || |-id=572 bgcolor=#d6d6d6| 550572 || || — || February 22, 2004 || Kitt Peak || Spacewatch || || align=right | 3.2 km || |-id=573 bgcolor=#fefefe| 550573 || || — || September 16, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.75" | 750 m || |-id=574 bgcolor=#fefefe| 550574 || || — || January 19, 2007 || Mauna Kea || Q. s. observers || (2076) || align=right data-sort-value="0.65" | 650 m || |-id=575 bgcolor=#d6d6d6| 550575 || || — || October 11, 2007 || Catalina || CSS || || align=right | 3.5 km || |-id=576 bgcolor=#d6d6d6| 550576 || || — || August 17, 2012 || Haleakala || Pan-STARRS || || align=right | 2.8 km || |-id=577 bgcolor=#d6d6d6| 550577 || || — || August 14, 2012 || Siding Spring || SSS || || align=right | 3.7 km || |-id=578 bgcolor=#d6d6d6| 550578 || || — || December 18, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.9 km || |-id=579 bgcolor=#d6d6d6| 550579 || || — || May 9, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=580 bgcolor=#E9E9E9| 550580 || || — || May 23, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=581 bgcolor=#E9E9E9| 550581 || || — || August 26, 2012 || La Sagra || OAM Obs. || || align=right | 3.6 km || |-id=582 bgcolor=#fefefe| 550582 || || — || February 12, 2004 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.75" | 750 m || |-id=583 bgcolor=#d6d6d6| 550583 || || — || December 29, 2008 || Kitt Peak || Spacewatch || || align=right | 3.5 km || |-id=584 bgcolor=#d6d6d6| 550584 || || — || August 17, 2012 || Les Engarouines || L. Bernasconi || || align=right | 3.1 km || |-id=585 bgcolor=#d6d6d6| 550585 || || — || August 24, 2012 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=586 bgcolor=#d6d6d6| 550586 || || — || January 18, 2009 || Kitt Peak || Spacewatch || HYG || align=right | 2.7 km || |-id=587 bgcolor=#fefefe| 550587 || || — || February 16, 2005 || La Silla || A. Boattini || || align=right data-sort-value="0.66" | 660 m || |-id=588 bgcolor=#E9E9E9| 550588 || || — || December 1, 2005 || Kitt Peak || L. H. Wasserman, R. Millis || || align=right data-sort-value="0.82" | 820 m || |-id=589 bgcolor=#d6d6d6| 550589 || || — || February 12, 2004 || Kitt Peak || Spacewatch || || align=right | 3.5 km || |-id=590 bgcolor=#d6d6d6| 550590 || || — || August 25, 2012 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=591 bgcolor=#d6d6d6| 550591 || || — || August 25, 2012 || Kitt Peak || Spacewatch || || align=right | 3.1 km || |-id=592 bgcolor=#d6d6d6| 550592 || || — || August 14, 2012 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=593 bgcolor=#d6d6d6| 550593 || || — || February 3, 2009 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=594 bgcolor=#d6d6d6| 550594 || || — || August 25, 2012 || Kitt Peak || Spacewatch || 7:4 || align=right | 3.5 km || |-id=595 bgcolor=#d6d6d6| 550595 || || — || November 3, 2007 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=596 bgcolor=#fefefe| 550596 || || — || August 5, 2005 || Palomar || NEAT || || align=right data-sort-value="0.86" | 860 m || |-id=597 bgcolor=#fefefe| 550597 || || — || July 19, 2012 || Siding Spring || SSS || || align=right data-sort-value="0.82" | 820 m || |-id=598 bgcolor=#fefefe| 550598 || || — || August 6, 2005 || Palomar || NEAT || || align=right data-sort-value="0.90" | 900 m || |-id=599 bgcolor=#fefefe| 550599 || || — || August 17, 2001 || Palomar || NEAT || || align=right data-sort-value="0.90" | 900 m || |-id=600 bgcolor=#C2FFFF| 550600 || || — || August 16, 2012 || Haleakala || Pan-STARRS || L5 || align=right | 6.6 km || |}

550601–550700

|-bgcolor=#d6d6d6| 550601 || || — || August 16, 2012 || ESA OGS || ESA OGS || || align=right | 2.8 km || |-id=602 bgcolor=#d6d6d6| 550602 || || — || September 3, 2007 || Catalina || CSS || || align=right | 3.5 km || |-id=603 bgcolor=#d6d6d6| 550603 || || — || August 17, 2012 || Haleakala || Pan-STARRS || || align=right | 3.9 km || |-id=604 bgcolor=#d6d6d6| 550604 || || — || July 28, 2012 || Haleakala || Pan-STARRS || || align=right | 3.7 km || |-id=605 bgcolor=#E9E9E9| 550605 || || — || July 29, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.85" | 850 m || |-id=606 bgcolor=#d6d6d6| 550606 || || — || August 24, 2012 || Kitt Peak || Spacewatch || || align=right | 3.5 km || |-id=607 bgcolor=#d6d6d6| 550607 || || — || March 13, 2005 || Kitt Peak || Spacewatch || || align=right | 3.1 km || |-id=608 bgcolor=#fefefe| 550608 || || — || August 16, 2012 || ESA OGS || ESA OGS || || align=right data-sort-value="0.94" | 940 m || |-id=609 bgcolor=#fefefe| 550609 || || — || November 17, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.75" | 750 m || |-id=610 bgcolor=#d6d6d6| 550610 || || — || March 5, 2016 || Haleakala || Pan-STARRS || || align=right | 3.1 km || |-id=611 bgcolor=#d6d6d6| 550611 || || — || August 26, 2012 || Haleakala || Pan-STARRS || || align=right | 2.9 km || |-id=612 bgcolor=#fefefe| 550612 || || — || November 22, 2005 || Palomar || NEAT || || align=right | 1.0 km || |-id=613 bgcolor=#d6d6d6| 550613 || || — || September 11, 2012 || Crni Vrh || J. Zakrajšek || T_j (2.94) || align=right | 3.2 km || |-id=614 bgcolor=#fefefe| 550614 || || — || August 29, 2002 || Palomar || NEAT || || align=right data-sort-value="0.68" | 680 m || |-id=615 bgcolor=#fefefe| 550615 || || — || August 27, 2009 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=616 bgcolor=#fefefe| 550616 || || — || October 30, 2002 || Haleakala || AMOS || || align=right data-sort-value="0.82" | 820 m || |-id=617 bgcolor=#FA8072| 550617 || || — || September 14, 2012 || Mount Lemmon || Mount Lemmon Survey || H || align=right data-sort-value="0.71" | 710 m || |-id=618 bgcolor=#d6d6d6| 550618 || || — || September 13, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.4 km || |-id=619 bgcolor=#fefefe| 550619 || || — || August 24, 2008 || Crni Vrh || J. Skvarč || || align=right | 1.4 km || |-id=620 bgcolor=#d6d6d6| 550620 || || — || February 22, 2004 || Kitt Peak || M. W. Buie || || align=right | 3.5 km || |-id=621 bgcolor=#d6d6d6| 550621 || || — || September 14, 2012 || Catalina || CSS || || align=right | 3.7 km || |-id=622 bgcolor=#d6d6d6| 550622 || || — || April 10, 2005 || Kitt Peak || Kitt Peak Obs. || || align=right | 4.2 km || |-id=623 bgcolor=#d6d6d6| 550623 || || — || September 15, 2012 || Catalina || CSS || || align=right | 3.2 km || |-id=624 bgcolor=#fefefe| 550624 || || — || July 29, 2005 || Palomar || NEAT || || align=right data-sort-value="0.82" | 820 m || |-id=625 bgcolor=#fefefe| 550625 || || — || July 30, 2005 || Palomar || NEAT || (2076) || align=right data-sort-value="0.78" | 780 m || |-id=626 bgcolor=#fefefe| 550626 || || — || February 24, 2006 || Palomar || NEAT || H || align=right data-sort-value="0.75" | 750 m || |-id=627 bgcolor=#d6d6d6| 550627 || || — || August 23, 2012 || Les Engarouines || L. Bernasconi || || align=right | 4.4 km || |-id=628 bgcolor=#fefefe| 550628 || || — || September 25, 2005 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.78" | 780 m || |-id=629 bgcolor=#FA8072| 550629 || || — || May 21, 2001 || Cerro Tololo || J. L. Elliot, L. H. Wasserman || H || align=right data-sort-value="0.78" | 780 m || |-id=630 bgcolor=#E9E9E9| 550630 || || — || September 16, 2004 || Kitt Peak || Spacewatch || || align=right | 1.1 km || |-id=631 bgcolor=#fefefe| 550631 || || — || August 30, 2005 || Palomar || NEAT || || align=right data-sort-value="0.75" | 750 m || |-id=632 bgcolor=#d6d6d6| 550632 || || — || January 20, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.7 km || |-id=633 bgcolor=#fefefe| 550633 || || — || August 25, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.71" | 710 m || |-id=634 bgcolor=#FA8072| 550634 || || — || August 8, 2012 || Haleakala || Pan-STARRS || H || align=right data-sort-value="0.52" | 520 m || |-id=635 bgcolor=#d6d6d6| 550635 || || — || October 17, 2001 || Palomar || NEAT || || align=right | 2.9 km || |-id=636 bgcolor=#fefefe| 550636 || || — || May 1, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.71" | 710 m || |-id=637 bgcolor=#d6d6d6| 550637 || || — || September 17, 2001 || Desert Eagle || W. K. Y. Yeung || || align=right | 3.7 km || |-id=638 bgcolor=#FA8072| 550638 || || — || July 6, 2005 || Siding Spring || SSS || || align=right data-sort-value="0.98" | 980 m || |-id=639 bgcolor=#fefefe| 550639 || || — || August 14, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.98" | 980 m || |-id=640 bgcolor=#fefefe| 550640 || || — || June 4, 2011 || Lulin || LUSS || V || align=right data-sort-value="0.59" | 590 m || |-id=641 bgcolor=#fefefe| 550641 || || — || July 15, 2002 || Palomar || NEAT || || align=right data-sort-value="0.82" | 820 m || |-id=642 bgcolor=#d6d6d6| 550642 || || — || September 15, 2012 || ESA OGS || ESA OGS || || align=right | 2.2 km || |-id=643 bgcolor=#d6d6d6| 550643 || || — || September 15, 2012 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=644 bgcolor=#E9E9E9| 550644 || || — || February 27, 2007 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.94" | 940 m || |-id=645 bgcolor=#d6d6d6| 550645 || || — || April 7, 2005 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=646 bgcolor=#E9E9E9| 550646 || || — || November 3, 2004 || Palomar || NEAT || || align=right data-sort-value="0.94" | 940 m || |-id=647 bgcolor=#d6d6d6| 550647 || || — || October 9, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=648 bgcolor=#d6d6d6| 550648 || || — || August 25, 2012 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=649 bgcolor=#fefefe| 550649 || || — || December 27, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.71" | 710 m || |-id=650 bgcolor=#d6d6d6| 550650 || || — || January 1, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=651 bgcolor=#fefefe| 550651 || || — || September 29, 2005 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.82" | 820 m || |-id=652 bgcolor=#fefefe| 550652 || || — || July 29, 2005 || Palomar || NEAT || || align=right data-sort-value="0.90" | 900 m || |-id=653 bgcolor=#d6d6d6| 550653 || || — || May 24, 2011 || Nogales || M. Schwartz, P. R. Holvorcem || EOS || align=right | 2.0 km || |-id=654 bgcolor=#E9E9E9| 550654 || || — || September 21, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.78" | 780 m || |-id=655 bgcolor=#E9E9E9| 550655 || || — || March 2, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.85" | 850 m || |-id=656 bgcolor=#fefefe| 550656 || || — || August 26, 2012 || Haleakala || Pan-STARRS || V || align=right data-sort-value="0.62" | 620 m || |-id=657 bgcolor=#fefefe| 550657 || || — || February 10, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.59" | 590 m || |-id=658 bgcolor=#d6d6d6| 550658 || || — || September 20, 2001 || Socorro || LINEAR || || align=right | 3.7 km || |-id=659 bgcolor=#E9E9E9| 550659 || || — || September 18, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.90" | 900 m || |-id=660 bgcolor=#d6d6d6| 550660 || || — || August 14, 2006 || Siding Spring || SSS || || align=right | 4.6 km || |-id=661 bgcolor=#d6d6d6| 550661 || || — || November 2, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=662 bgcolor=#fefefe| 550662 || || — || September 18, 2012 || Mount Lemmon SkyCe || T. Vorobjov, A. Kostin || || align=right data-sort-value="0.78" | 780 m || |-id=663 bgcolor=#d6d6d6| 550663 || || — || August 12, 2006 || Palomar || NEAT || || align=right | 3.7 km || |-id=664 bgcolor=#fefefe| 550664 || || — || August 5, 2005 || Palomar || NEAT || || align=right data-sort-value="0.94" | 940 m || |-id=665 bgcolor=#d6d6d6| 550665 || || — || September 19, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.1 km || |-id=666 bgcolor=#d6d6d6| 550666 || || — || October 23, 2006 || Mauna Kea || Q. s. observers || || align=right | 2.8 km || |-id=667 bgcolor=#d6d6d6| 550667 || || — || August 26, 2012 || Haleakala || Pan-STARRS || || align=right | 3.1 km || |-id=668 bgcolor=#fefefe| 550668 || || — || June 5, 2002 || Palomar || NEAT || || align=right data-sort-value="0.78" | 780 m || |-id=669 bgcolor=#d6d6d6| 550669 || || — || July 21, 2006 || Lulin || LUSS || EOS || align=right | 2.9 km || |-id=670 bgcolor=#E9E9E9| 550670 || || — || September 26, 2012 || Nogales || M. Schwartz, P. R. Holvorcem || EUN || align=right | 1.6 km || |-id=671 bgcolor=#E9E9E9| 550671 || || — || October 9, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.82" | 820 m || |-id=672 bgcolor=#fefefe| 550672 || || — || November 1, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.1 km || |-id=673 bgcolor=#d6d6d6| 550673 || || — || February 11, 2004 || Kitt Peak || Spacewatch || || align=right | 3.4 km || |-id=674 bgcolor=#fefefe| 550674 || || — || August 26, 1998 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.78" | 780 m || |-id=675 bgcolor=#d6d6d6| 550675 || || — || September 23, 2012 || Kitt Peak || Spacewatch || || align=right | 3.2 km || |-id=676 bgcolor=#fefefe| 550676 || || — || August 24, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.59" | 590 m || |-id=677 bgcolor=#d6d6d6| 550677 || || — || September 16, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=678 bgcolor=#E9E9E9| 550678 || || — || September 23, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.82" | 820 m || |-id=679 bgcolor=#E9E9E9| 550679 || || — || September 16, 2012 || ESA OGS || ESA OGS || || align=right data-sort-value="0.98" | 980 m || |-id=680 bgcolor=#d6d6d6| 550680 || || — || September 24, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=681 bgcolor=#d6d6d6| 550681 || || — || August 24, 2017 || Haleakala || Pan-STARRS || || align=right | 2.7 km || |-id=682 bgcolor=#E9E9E9| 550682 || || — || September 24, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.67" | 670 m || |-id=683 bgcolor=#fefefe| 550683 || || — || September 16, 2012 || ESA OGS || ESA OGS || || align=right data-sort-value="0.94" | 940 m || |-id=684 bgcolor=#d6d6d6| 550684 || || — || September 23, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=685 bgcolor=#fefefe| 550685 || || — || September 20, 2012 || Mount Lemmon || Mount Lemmon Survey || H || align=right data-sort-value="0.65" | 650 m || |-id=686 bgcolor=#d6d6d6| 550686 || || — || September 24, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.1 km || |-id=687 bgcolor=#fefefe| 550687 || || — || October 25, 2005 || Mount Lemmon || Mount Lemmon Survey || NYS || align=right data-sort-value="0.76" | 760 m || |-id=688 bgcolor=#d6d6d6| 550688 || || — || September 14, 2012 || Catalina || CSS || || align=right | 3.1 km || |-id=689 bgcolor=#fefefe| 550689 || || — || July 30, 2005 || Palomar || NEAT || || align=right data-sort-value="0.94" | 940 m || |-id=690 bgcolor=#fefefe| 550690 || || — || September 19, 2012 || Mount Lemmon || Mount Lemmon Survey || H || align=right data-sort-value="0.49" | 490 m || |-id=691 bgcolor=#fefefe| 550691 || || — || August 13, 2001 || Haleakala || AMOS || || align=right | 1.1 km || |-id=692 bgcolor=#d6d6d6| 550692 || || — || May 13, 2005 || Kitt Peak || Spacewatch || URS || align=right | 3.4 km || |-id=693 bgcolor=#fefefe| 550693 || || — || October 5, 2012 || Haleakala || Pan-STARRS || H || align=right data-sort-value="0.86" | 860 m || |-id=694 bgcolor=#fefefe| 550694 || || — || March 23, 2001 || Haleakala || AMOS || || align=right data-sort-value="0.88" | 880 m || |-id=695 bgcolor=#d6d6d6| 550695 || || — || March 17, 2004 || Kitt Peak || Spacewatch || VER || align=right | 2.8 km || |-id=696 bgcolor=#E9E9E9| 550696 || || — || October 10, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=697 bgcolor=#d6d6d6| 550697 || || — || January 31, 2004 || Kitt Peak || Spacewatch || EOS || align=right | 2.6 km || |-id=698 bgcolor=#d6d6d6| 550698 || || — || November 20, 2001 || Socorro || LINEAR || EOS || align=right | 2.2 km || |-id=699 bgcolor=#d6d6d6| 550699 || || — || September 24, 2012 || Kitt Peak || Spacewatch || || align=right | 3.4 km || |-id=700 bgcolor=#d6d6d6| 550700 || || — || August 17, 2006 || Palomar || NEAT || || align=right | 3.4 km || |}

550701–550800

|-bgcolor=#d6d6d6| 550701 || || — || March 16, 2004 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=702 bgcolor=#fefefe| 550702 || || — || September 16, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.57" | 570 m || |-id=703 bgcolor=#FA8072| 550703 || || — || May 7, 2002 || Palomar || NEAT || || align=right data-sort-value="0.74" | 740 m || |-id=704 bgcolor=#fefefe| 550704 || || — || September 18, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.78" | 780 m || |-id=705 bgcolor=#fefefe| 550705 || || — || December 4, 2005 || Kitt Peak || Spacewatch || MAS || align=right data-sort-value="0.75" | 750 m || |-id=706 bgcolor=#d6d6d6| 550706 || || — || April 14, 2010 || Kitt Peak || Spacewatch || || align=right | 3.4 km || |-id=707 bgcolor=#E9E9E9| 550707 || || — || September 14, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.62" | 620 m || |-id=708 bgcolor=#d6d6d6| 550708 || || — || April 14, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.7 km || |-id=709 bgcolor=#fefefe| 550709 || || — || October 7, 2012 || Haleakala || Pan-STARRS || H || align=right data-sort-value="0.82" | 820 m || |-id=710 bgcolor=#E9E9E9| 550710 || || — || September 22, 2012 || Kitt Peak || Spacewatch || critical || align=right data-sort-value="0.49" | 490 m || |-id=711 bgcolor=#d6d6d6| 550711 || || — || September 26, 2006 || Kitt Peak || Spacewatch || || align=right | 3.7 km || |-id=712 bgcolor=#d6d6d6| 550712 || || — || October 6, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.5 km || |-id=713 bgcolor=#fefefe| 550713 || || — || October 4, 2002 || Palomar || NEAT || || align=right data-sort-value="0.98" | 980 m || |-id=714 bgcolor=#d6d6d6| 550714 || || — || October 8, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=715 bgcolor=#fefefe| 550715 || || — || February 25, 2007 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.86" | 860 m || |-id=716 bgcolor=#d6d6d6| 550716 || || — || August 26, 2012 || Haleakala || Pan-STARRS || || align=right | 3.2 km || |-id=717 bgcolor=#d6d6d6| 550717 || || — || October 18, 2007 || Kitt Peak || Spacewatch || || align=right | 3.2 km || |-id=718 bgcolor=#d6d6d6| 550718 || || — || September 16, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=719 bgcolor=#fefefe| 550719 || || — || May 24, 2011 || Haleakala || Pan-STARRS || V || align=right data-sort-value="0.68" | 680 m || |-id=720 bgcolor=#d6d6d6| 550720 || || — || October 8, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=721 bgcolor=#fefefe| 550721 || || — || January 6, 2010 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.75" | 750 m || |-id=722 bgcolor=#fefefe| 550722 || || — || October 8, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.68" | 680 m || |-id=723 bgcolor=#d6d6d6| 550723 || || — || February 24, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=724 bgcolor=#E9E9E9| 550724 || || — || October 8, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.75" | 750 m || |-id=725 bgcolor=#d6d6d6| 550725 || || — || November 20, 2007 || Kitt Peak || Spacewatch || || align=right | 3.7 km || |-id=726 bgcolor=#d6d6d6| 550726 || || — || November 2, 2007 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=727 bgcolor=#fefefe| 550727 || || — || February 12, 2004 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.83" | 830 m || |-id=728 bgcolor=#d6d6d6| 550728 || || — || October 27, 2005 || Kitt Peak || Spacewatch || 7:4 || align=right | 4.6 km || |-id=729 bgcolor=#d6d6d6| 550729 || || — || November 13, 2001 || Uppsala-Kvistaberg || Kvistaberg Obs. || || align=right | 3.1 km || |-id=730 bgcolor=#fefefe| 550730 || || — || October 9, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.78" | 780 m || |-id=731 bgcolor=#fefefe| 550731 || || — || July 6, 2005 || Siding Spring || SSS || || align=right data-sort-value="0.90" | 900 m || |-id=732 bgcolor=#d6d6d6| 550732 || || — || May 10, 2005 || Cerro Tololo || M. W. Buie, L. H. Wasserman || (1298) || align=right | 3.1 km || |-id=733 bgcolor=#E9E9E9| 550733 || || — || May 6, 2006 || Mount Lemmon || Mount Lemmon Survey || HNS || align=right | 1.3 km || |-id=734 bgcolor=#fefefe| 550734 || || — || October 5, 2002 || Palomar || NEAT || || align=right data-sort-value="0.82" | 820 m || |-id=735 bgcolor=#d6d6d6| 550735 || || — || October 6, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.4 km || |-id=736 bgcolor=#d6d6d6| 550736 || || — || April 25, 2004 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=737 bgcolor=#d6d6d6| 550737 || || — || November 12, 2001 || Apache Point || SDSS Collaboration || || align=right | 3.2 km || |-id=738 bgcolor=#E9E9E9| 550738 || || — || October 6, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.3 km || |-id=739 bgcolor=#fefefe| 550739 || || — || April 29, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.59" | 590 m || |-id=740 bgcolor=#fefefe| 550740 || || — || August 4, 2005 || Palomar || NEAT || || align=right data-sort-value="0.75" | 750 m || |-id=741 bgcolor=#d6d6d6| 550741 || || — || October 7, 2012 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=742 bgcolor=#E9E9E9| 550742 || || — || October 8, 2012 || Mayhill-ISON || L. Elenin || || align=right | 1.2 km || |-id=743 bgcolor=#fefefe| 550743 || || — || September 16, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.78" | 780 m || |-id=744 bgcolor=#E9E9E9| 550744 || || — || May 8, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.94" | 940 m || |-id=745 bgcolor=#fefefe| 550745 || || — || August 20, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.71" | 710 m || |-id=746 bgcolor=#E9E9E9| 550746 || || — || September 16, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.75" | 750 m || |-id=747 bgcolor=#fefefe| 550747 || || — || October 8, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.65" | 650 m || |-id=748 bgcolor=#E9E9E9| 550748 || || — || September 17, 2012 || Crni Vrh || B. Mikuž || BRG || align=right | 1.5 km || |-id=749 bgcolor=#fefefe| 550749 || || — || August 28, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.78" | 780 m || |-id=750 bgcolor=#d6d6d6| 550750 || || — || September 28, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=751 bgcolor=#fefefe| 550751 || || — || October 24, 2005 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.65" | 650 m || |-id=752 bgcolor=#fefefe| 550752 || || — || October 2, 1995 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.62" | 620 m || |-id=753 bgcolor=#E9E9E9| 550753 || || — || October 9, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.4 km || |-id=754 bgcolor=#E9E9E9| 550754 || || — || July 28, 2003 || Haleakala || AMOS || EUN || align=right | 1.7 km || |-id=755 bgcolor=#fefefe| 550755 || || — || April 2, 2011 || Mount Lemmon || Mount Lemmon Survey || V || align=right data-sort-value="0.59" | 590 m || |-id=756 bgcolor=#E9E9E9| 550756 || || — || September 21, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.57" | 570 m || |-id=757 bgcolor=#d6d6d6| 550757 || || — || September 16, 2012 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=758 bgcolor=#E9E9E9| 550758 || || — || October 1, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.49" | 490 m || |-id=759 bgcolor=#fefefe| 550759 || || — || October 8, 2002 || Uccle || T. Pauwels || || align=right data-sort-value="0.71" | 710 m || |-id=760 bgcolor=#d6d6d6| 550760 || || — || September 14, 2012 || ESA OGS || ESA OGS || || align=right | 2.7 km || |-id=761 bgcolor=#fefefe| 550761 || || — || April 1, 2011 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.90" | 900 m || |-id=762 bgcolor=#fefefe| 550762 || || — || October 23, 2005 || Catalina || CSS || || align=right data-sort-value="0.98" | 980 m || |-id=763 bgcolor=#d6d6d6| 550763 || || — || August 24, 2006 || Palomar || NEAT || || align=right | 3.4 km || |-id=764 bgcolor=#d6d6d6| 550764 || || — || October 5, 2012 || Haleakala || Pan-STARRS || || align=right | 3.9 km || |-id=765 bgcolor=#d6d6d6| 550765 || || — || October 7, 2012 || Haleakala || Pan-STARRS || || align=right | 3.7 km || |-id=766 bgcolor=#d6d6d6| 550766 || || — || August 13, 2006 || Palomar || NEAT || TIR || align=right | 4.2 km || |-id=767 bgcolor=#E9E9E9| 550767 || || — || September 16, 2012 || Kitt Peak || Spacewatch || (5) || align=right data-sort-value="0.56" | 560 m || |-id=768 bgcolor=#fefefe| 550768 || || — || March 28, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.75" | 750 m || |-id=769 bgcolor=#d6d6d6| 550769 || || — || October 5, 2012 || Haleakala || Pan-STARRS || || align=right | 2.7 km || |-id=770 bgcolor=#E9E9E9| 550770 || || — || October 21, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.80" | 800 m || |-id=771 bgcolor=#E9E9E9| 550771 || || — || May 24, 2011 || Nogales || M. Schwartz, P. R. Holvorcem || || align=right | 1.4 km || |-id=772 bgcolor=#d6d6d6| 550772 || || — || May 17, 2005 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.4 km || |-id=773 bgcolor=#d6d6d6| 550773 || || — || September 26, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.5 km || |-id=774 bgcolor=#fefefe| 550774 || || — || August 13, 2006 || Palomar || NEAT || H || align=right data-sort-value="0.91" | 910 m || |-id=775 bgcolor=#FA8072| 550775 || || — || March 10, 2011 || Mayhill-ISON || L. Elenin || H || align=right data-sort-value="0.94" | 940 m || |-id=776 bgcolor=#d6d6d6| 550776 || || — || April 10, 2005 || Kitt Peak || Kitt Peak Obs. || || align=right | 2.5 km || |-id=777 bgcolor=#fefefe| 550777 || || — || September 15, 2004 || Kitt Peak || Spacewatch || H || align=right data-sort-value="0.75" | 750 m || |-id=778 bgcolor=#d6d6d6| 550778 || || — || August 25, 2006 || Lulin || LUSS || || align=right | 2.9 km || |-id=779 bgcolor=#fefefe| 550779 || || — || October 11, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.78" | 780 m || |-id=780 bgcolor=#fefefe| 550780 || || — || September 3, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.94" | 940 m || |-id=781 bgcolor=#E9E9E9| 550781 || || — || March 15, 2002 || Mount Hamilton || Lick Obs. || || align=right | 1.6 km || |-id=782 bgcolor=#d6d6d6| 550782 || || — || April 10, 2005 || Mount Lemmon || Mount Lemmon Survey || THM || align=right | 2.9 km || |-id=783 bgcolor=#d6d6d6| 550783 || || — || September 15, 2012 || ESA OGS || ESA OGS || || align=right | 2.7 km || |-id=784 bgcolor=#fefefe| 550784 || || — || April 8, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.82" | 820 m || |-id=785 bgcolor=#E9E9E9| 550785 || || — || October 8, 2012 || Haleakala || Pan-STARRS || (5) || align=right data-sort-value="0.70" | 700 m || |-id=786 bgcolor=#d6d6d6| 550786 || || — || March 12, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.1 km || |-id=787 bgcolor=#d6d6d6| 550787 || || — || November 2, 2007 || Kitt Peak || Spacewatch || || align=right | 3.1 km || |-id=788 bgcolor=#d6d6d6| 550788 || || — || August 10, 2001 || Palomar || NEAT || || align=right | 2.8 km || |-id=789 bgcolor=#fefefe| 550789 || || — || September 14, 2005 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.75" | 750 m || |-id=790 bgcolor=#d6d6d6| 550790 || || — || August 18, 2006 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=791 bgcolor=#fefefe| 550791 || || — || December 10, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.75" | 750 m || |-id=792 bgcolor=#d6d6d6| 550792 || || — || October 9, 2012 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=793 bgcolor=#fefefe| 550793 || || — || October 9, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.90" | 900 m || |-id=794 bgcolor=#d6d6d6| 550794 || || — || September 16, 2012 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=795 bgcolor=#d6d6d6| 550795 || || — || November 3, 2007 || Kitt Peak || Spacewatch || || align=right | 3.4 km || |-id=796 bgcolor=#fefefe| 550796 || || — || March 11, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.78" | 780 m || |-id=797 bgcolor=#E9E9E9| 550797 || || — || September 24, 2012 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=798 bgcolor=#d6d6d6| 550798 || || — || October 9, 2012 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=799 bgcolor=#d6d6d6| 550799 || || — || October 9, 2012 || Mount Lemmon || Mount Lemmon Survey || 7:4 || align=right | 3.7 km || |-id=800 bgcolor=#fefefe| 550800 || || — || October 9, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.71" | 710 m || |}

550801–550900

|-bgcolor=#E9E9E9| 550801 || || — || September 16, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.86" | 860 m || |-id=802 bgcolor=#d6d6d6| 550802 || || — || October 10, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.5 km || |-id=803 bgcolor=#d6d6d6| 550803 || || — || September 24, 1995 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=804 bgcolor=#fefefe| 550804 || || — || December 4, 2005 || Kitt Peak || Spacewatch || || align=right | 1.0 km || |-id=805 bgcolor=#d6d6d6| 550805 || || — || September 26, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=806 bgcolor=#d6d6d6| 550806 || || — || September 18, 2006 || Goodricke-Pigott || R. A. Tucker || || align=right | 4.6 km || |-id=807 bgcolor=#E9E9E9| 550807 || || — || July 3, 2003 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=808 bgcolor=#E9E9E9| 550808 || || — || October 10, 2012 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=809 bgcolor=#fefefe| 550809 || || — || October 10, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.71" | 710 m || |-id=810 bgcolor=#fefefe| 550810 || || — || November 30, 2005 || Kitt Peak || Spacewatch || NYS || align=right data-sort-value="0.52" | 520 m || |-id=811 bgcolor=#fefefe| 550811 || || — || October 1, 2005 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.78" | 780 m || |-id=812 bgcolor=#d6d6d6| 550812 || || — || November 4, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=813 bgcolor=#d6d6d6| 550813 || || — || March 18, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.2 km || |-id=814 bgcolor=#fefefe| 550814 || || — || September 19, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.65" | 650 m || |-id=815 bgcolor=#d6d6d6| 550815 || || — || October 11, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=816 bgcolor=#C2FFFF| 550816 || || — || August 31, 2011 || Haleakala || Pan-STARRS || L5 || align=right | 7.3 km || |-id=817 bgcolor=#E9E9E9| 550817 || || — || September 17, 2012 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=818 bgcolor=#fefefe| 550818 || || — || August 27, 2005 || Anderson Mesa || LONEOS || || align=right data-sort-value="0.94" | 940 m || |-id=819 bgcolor=#E9E9E9| 550819 || || — || October 13, 2012 || Les Engarouines || L. Bernasconi || || align=right | 1.6 km || |-id=820 bgcolor=#d6d6d6| 550820 || || — || April 2, 2005 || Kitt Peak || Spacewatch || || align=right | 3.7 km || |-id=821 bgcolor=#fefefe| 550821 || || — || September 18, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.75" | 750 m || |-id=822 bgcolor=#fefefe| 550822 || || — || October 9, 2002 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.71" | 710 m || |-id=823 bgcolor=#d6d6d6| 550823 || || — || October 14, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=824 bgcolor=#E9E9E9| 550824 || || — || November 9, 2004 || Mauna Kea || Mauna Kea Obs. || || align=right data-sort-value="0.57" | 570 m || |-id=825 bgcolor=#fefefe| 550825 || || — || December 27, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.68" | 680 m || |-id=826 bgcolor=#fefefe| 550826 || || — || February 13, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.75" | 750 m || |-id=827 bgcolor=#d6d6d6| 550827 || || — || October 14, 2001 || Palomar || NEAT || || align=right | 4.3 km || |-id=828 bgcolor=#d6d6d6| 550828 || || — || January 31, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.7 km || |-id=829 bgcolor=#fefefe| 550829 || || — || March 14, 2004 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.78" | 780 m || |-id=830 bgcolor=#d6d6d6| 550830 || || — || August 14, 2001 || Powell || K. Smalley || || align=right | 2.9 km || |-id=831 bgcolor=#E9E9E9| 550831 || || — || October 7, 2012 || Haleakala || Pan-STARRS || || align=right | 1.0 km || |-id=832 bgcolor=#E9E9E9| 550832 Silvanacopceski || || || July 7, 2007 || Charleston || R. Holmes || || align=right | 1.2 km || |-id=833 bgcolor=#d6d6d6| 550833 || || — || October 16, 2001 || Palomar || NEAT || || align=right | 3.4 km || |-id=834 bgcolor=#d6d6d6| 550834 || || — || September 20, 2001 || Socorro || LINEAR || || align=right | 3.5 km || |-id=835 bgcolor=#d6d6d6| 550835 || || — || October 14, 2001 || Apache Point || SDSS Collaboration || || align=right | 3.4 km || |-id=836 bgcolor=#fefefe| 550836 || || — || August 28, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.90" | 900 m || |-id=837 bgcolor=#E9E9E9| 550837 || || — || September 23, 2012 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=838 bgcolor=#d6d6d6| 550838 || || — || September 17, 2012 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=839 bgcolor=#fefefe| 550839 || || — || September 21, 2012 || Catalina || CSS || || align=right data-sort-value="0.75" | 750 m || |-id=840 bgcolor=#d6d6d6| 550840 || || — || October 11, 2012 || Piszkesteto || K. Sárneczky || EOS || align=right | 1.8 km || |-id=841 bgcolor=#fefefe| 550841 || || — || October 15, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.71" | 710 m || |-id=842 bgcolor=#E9E9E9| 550842 || || — || September 23, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.68" | 680 m || |-id=843 bgcolor=#d6d6d6| 550843 || || — || April 20, 2004 || Kitt Peak || Spacewatch || || align=right | 3.0 km || |-id=844 bgcolor=#fefefe| 550844 || || — || October 9, 2012 || Haleakala || Pan-STARRS || H || align=right data-sort-value="0.54" | 540 m || |-id=845 bgcolor=#E9E9E9| 550845 || || — || November 7, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.92" | 920 m || |-id=846 bgcolor=#d6d6d6| 550846 || || — || October 10, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.4 km || |-id=847 bgcolor=#fefefe| 550847 || || — || October 11, 2012 || Haleakala || Pan-STARRS || V || align=right data-sort-value="0.68" | 680 m || |-id=848 bgcolor=#FA8072| 550848 || || — || March 28, 2011 || Kitt Peak || Spacewatch || H || align=right data-sort-value="0.43" | 430 m || |-id=849 bgcolor=#d6d6d6| 550849 || || — || October 11, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=850 bgcolor=#E9E9E9| 550850 || || — || August 4, 2003 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=851 bgcolor=#d6d6d6| 550851 || || — || January 4, 2003 || Kitt Peak || I. dell'Antonio, D. Loomba || || align=right | 3.5 km || |-id=852 bgcolor=#E9E9E9| 550852 || || — || September 21, 2003 || Palomar || NEAT || || align=right | 1.8 km || |-id=853 bgcolor=#fefefe| 550853 || || — || January 28, 2000 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.82" | 820 m || |-id=854 bgcolor=#fefefe| 550854 || || — || October 1, 2005 || Catalina || CSS || || align=right data-sort-value="0.82" | 820 m || |-id=855 bgcolor=#d6d6d6| 550855 || || — || October 14, 2012 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=856 bgcolor=#fefefe| 550856 || || — || September 30, 2005 || Palomar || NEAT || || align=right data-sort-value="0.96" | 960 m || |-id=857 bgcolor=#fefefe| 550857 || || — || September 12, 2001 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.90" | 900 m || |-id=858 bgcolor=#d6d6d6| 550858 || || — || October 8, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=859 bgcolor=#d6d6d6| 550859 || || — || April 13, 2004 || Palomar || NEAT || || align=right | 3.9 km || |-id=860 bgcolor=#E9E9E9| 550860 || || — || October 6, 2012 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=861 bgcolor=#E9E9E9| 550861 || || — || November 1, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.68" | 680 m || |-id=862 bgcolor=#fefefe| 550862 || || — || October 10, 2001 || Palomar || NEAT || || align=right | 1.1 km || |-id=863 bgcolor=#fefefe| 550863 || || — || August 6, 2005 || Palomar || NEAT || || align=right data-sort-value="0.78" | 780 m || |-id=864 bgcolor=#fefefe| 550864 || || — || September 19, 2001 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.98" | 980 m || |-id=865 bgcolor=#d6d6d6| 550865 || || — || September 23, 2012 || Mayhill-ISON || L. Elenin || || align=right | 2.9 km || |-id=866 bgcolor=#d6d6d6| 550866 || || — || September 23, 2006 || San Marcello || Pistoia Mountains Obs. || VER || align=right | 3.2 km || |-id=867 bgcolor=#fefefe| 550867 || || — || September 15, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.65" | 650 m || |-id=868 bgcolor=#fefefe| 550868 || || — || October 10, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.75" | 750 m || |-id=869 bgcolor=#fefefe| 550869 || || — || September 17, 2012 || Kitt Peak || Spacewatch || H || align=right data-sort-value="0.62" | 620 m || |-id=870 bgcolor=#fefefe| 550870 || || — || December 8, 2005 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.78" | 780 m || |-id=871 bgcolor=#d6d6d6| 550871 || || — || August 17, 2006 || Palomar || NEAT || || align=right | 3.4 km || |-id=872 bgcolor=#d6d6d6| 550872 || || — || September 30, 2006 || Catalina || CSS || || align=right | 4.2 km || |-id=873 bgcolor=#fefefe| 550873 || || — || September 19, 1998 || Apache Point || SDSS Collaboration || || align=right | 1.0 km || |-id=874 bgcolor=#fefefe| 550874 || || — || March 12, 2003 || Kitt Peak || Spacewatch || || align=right | 1.0 km || |-id=875 bgcolor=#d6d6d6| 550875 || || — || September 19, 2006 || Catalina || CSS || || align=right | 3.7 km || |-id=876 bgcolor=#fefefe| 550876 || || — || March 11, 2007 || Kitt Peak || Spacewatch || || align=right | 1.0 km || |-id=877 bgcolor=#d6d6d6| 550877 || || — || October 22, 2001 || Palomar || NEAT || TIR || align=right | 3.8 km || |-id=878 bgcolor=#E9E9E9| 550878 || || — || December 20, 2004 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=879 bgcolor=#fefefe| 550879 || || — || July 28, 2005 || Palomar || NEAT || || align=right data-sort-value="0.82" | 820 m || |-id=880 bgcolor=#E9E9E9| 550880 || || — || September 17, 2012 || Nogales || M. Schwartz, P. R. Holvorcem || || align=right data-sort-value="0.90" | 900 m || |-id=881 bgcolor=#FA8072| 550881 || || — || October 13, 2012 || Catalina || CSS || H || align=right data-sort-value="0.63" | 630 m || |-id=882 bgcolor=#E9E9E9| 550882 || || — || September 13, 2012 || ASC-Kislovodsk || ASC-Kislovodsk || EUN || align=right | 1.1 km || |-id=883 bgcolor=#E9E9E9| 550883 || || — || October 15, 2012 || Catalina || CSS || || align=right | 1.6 km || |-id=884 bgcolor=#d6d6d6| 550884 || || — || October 9, 2012 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=885 bgcolor=#d6d6d6| 550885 || || — || October 8, 2012 || Haleakala || Pan-STARRS || || align=right | 3.2 km || |-id=886 bgcolor=#E9E9E9| 550886 || || — || August 4, 2003 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=887 bgcolor=#d6d6d6| 550887 || || — || September 5, 2000 || Apache Point || SDSS Collaboration || || align=right | 2.5 km || |-id=888 bgcolor=#fefefe| 550888 || || — || October 11, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.71" | 710 m || |-id=889 bgcolor=#fefefe| 550889 || || — || December 1, 2005 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.75" | 750 m || |-id=890 bgcolor=#E9E9E9| 550890 || || — || October 6, 2012 || Haleakala || Pan-STARRS || || align=right | 1.0 km || |-id=891 bgcolor=#E9E9E9| 550891 || || — || October 4, 2016 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.79" | 790 m || |-id=892 bgcolor=#d6d6d6| 550892 || || — || October 26, 2013 || Mount Lemmon || Mount Lemmon Survey || 7:4 || align=right | 3.9 km || |-id=893 bgcolor=#d6d6d6| 550893 || || — || December 21, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.3 km || |-id=894 bgcolor=#E9E9E9| 550894 || || — || January 1, 2014 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.76" | 760 m || |-id=895 bgcolor=#fefefe| 550895 || || — || October 8, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.62" | 620 m || |-id=896 bgcolor=#d6d6d6| 550896 || || — || October 5, 2012 || Haleakala || Pan-STARRS || || align=right | 2.8 km || |-id=897 bgcolor=#E9E9E9| 550897 || || — || September 18, 2012 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=898 bgcolor=#fefefe| 550898 || || — || November 5, 2005 || Catalina || CSS || V || align=right data-sort-value="0.74" | 740 m || |-id=899 bgcolor=#fefefe| 550899 || || — || July 29, 2005 || Palomar || NEAT || || align=right data-sort-value="0.90" | 900 m || |-id=900 bgcolor=#fefefe| 550900 || || — || October 7, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.54" | 540 m || |}

550901–551000

|-bgcolor=#fefefe| 550901 || || — || April 6, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.59" | 590 m || |-id=902 bgcolor=#d6d6d6| 550902 || || — || October 24, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 4.2 km || |-id=903 bgcolor=#d6d6d6| 550903 || || — || October 16, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.6 km || |-id=904 bgcolor=#fefefe| 550904 || || — || August 24, 2005 || Palomar || NEAT || || align=right data-sort-value="0.66" | 660 m || |-id=905 bgcolor=#fefefe| 550905 || || — || October 8, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.73" | 730 m || |-id=906 bgcolor=#fefefe| 550906 || || — || October 8, 2012 || Haleakala || Pan-STARRS || (2076) || align=right data-sort-value="0.82" | 820 m || |-id=907 bgcolor=#fefefe| 550907 || || — || October 8, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.68" | 680 m || |-id=908 bgcolor=#E9E9E9| 550908 || || — || October 27, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.78" | 780 m || |-id=909 bgcolor=#E9E9E9| 550909 || || — || October 17, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.6 km || |-id=910 bgcolor=#E9E9E9| 550910 || || — || October 17, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=911 bgcolor=#d6d6d6| 550911 || || — || November 17, 2007 || Kitt Peak || Spacewatch || || align=right | 3.1 km || |-id=912 bgcolor=#fefefe| 550912 || || — || October 8, 2012 || Catalina || CSS || || align=right data-sort-value="0.68" | 680 m || |-id=913 bgcolor=#d6d6d6| 550913 || || — || October 17, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=914 bgcolor=#fefefe| 550914 || || — || September 21, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.68" | 680 m || |-id=915 bgcolor=#E9E9E9| 550915 || || — || October 10, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.98" | 980 m || |-id=916 bgcolor=#C2FFFF| 550916 || || — || October 20, 2012 || Mount Lemmon || Mount Lemmon Survey || L4 || align=right | 13 km || |-id=917 bgcolor=#fefefe| 550917 || || — || July 18, 2001 || Palomar || NEAT || || align=right data-sort-value="0.94" | 940 m || |-id=918 bgcolor=#d6d6d6| 550918 || || — || October 3, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.2 km || |-id=919 bgcolor=#d6d6d6| 550919 || || — || November 19, 2007 || Kitt Peak || Spacewatch || THM || align=right | 2.2 km || |-id=920 bgcolor=#fefefe| 550920 || || — || March 9, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.62" | 620 m || |-id=921 bgcolor=#fefefe| 550921 || || — || September 25, 2001 || Bohyunsan || Bohyunsan Obs. || || align=right data-sort-value="0.86" | 860 m || |-id=922 bgcolor=#d6d6d6| 550922 || || — || October 18, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.4 km || |-id=923 bgcolor=#d6d6d6| 550923 || || — || October 18, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 4.0 km || |-id=924 bgcolor=#d6d6d6| 550924 || || — || April 10, 2005 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.2 km || |-id=925 bgcolor=#d6d6d6| 550925 || || — || May 14, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 4.0 km || |-id=926 bgcolor=#fefefe| 550926 || || — || March 15, 2011 || Mount Lemmon || Mount Lemmon Survey || H || align=right data-sort-value="0.68" | 680 m || |-id=927 bgcolor=#fefefe| 550927 || || — || November 3, 2005 || Catalina || CSS || || align=right data-sort-value="0.90" | 900 m || |-id=928 bgcolor=#d6d6d6| 550928 || || — || September 28, 2006 || Catalina || CSS || || align=right | 4.4 km || |-id=929 bgcolor=#FA8072| 550929 || || — || October 30, 2007 || Mount Lemmon || Mount Lemmon Survey || H || align=right data-sort-value="0.47" | 470 m || |-id=930 bgcolor=#d6d6d6| 550930 || || — || November 15, 2001 || Kitt Peak || Spacewatch || || align=right | 3.4 km || |-id=931 bgcolor=#E9E9E9| 550931 || || — || October 19, 2012 || Haleakala || Pan-STARRS || || align=right | 1.3 km || |-id=932 bgcolor=#fefefe| 550932 || || — || October 19, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.68" | 680 m || |-id=933 bgcolor=#fefefe| 550933 || || — || October 19, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.78" | 780 m || |-id=934 bgcolor=#d6d6d6| 550934 || || — || October 8, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=935 bgcolor=#E9E9E9| 550935 || || — || November 20, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.71" | 710 m || |-id=936 bgcolor=#fefefe| 550936 || || — || October 19, 2012 || Haleakala || Pan-STARRS || V || align=right data-sort-value="0.59" | 590 m || |-id=937 bgcolor=#fefefe| 550937 || || — || October 19, 2012 || Haleakala || Pan-STARRS || H || align=right data-sort-value="0.52" | 520 m || |-id=938 bgcolor=#fefefe| 550938 || || — || October 20, 2012 || Haleakala || Pan-STARRS || H || align=right data-sort-value="0.52" | 520 m || |-id=939 bgcolor=#E9E9E9| 550939 || || — || September 23, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.0 km || |-id=940 bgcolor=#fefefe| 550940 || || — || December 1, 2005 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.78" | 780 m || |-id=941 bgcolor=#d6d6d6| 550941 || || — || November 19, 2006 || Kitt Peak || Spacewatch || 7:4 || align=right | 3.9 km || |-id=942 bgcolor=#d6d6d6| 550942 Kurtág || || || October 20, 2012 || Piszkesteto || A. Király || || align=right | 3.4 km || |-id=943 bgcolor=#fefefe| 550943 || || — || October 11, 2012 || Haleakala || Pan-STARRS || H || align=right data-sort-value="0.65" | 650 m || |-id=944 bgcolor=#fefefe| 550944 || || — || September 3, 2002 || Palomar || NEAT || || align=right data-sort-value="0.90" | 900 m || |-id=945 bgcolor=#d6d6d6| 550945 || || — || March 18, 2010 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=946 bgcolor=#E9E9E9| 550946 || || — || March 5, 2006 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=947 bgcolor=#E9E9E9| 550947 || || — || October 17, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.96" | 960 m || |-id=948 bgcolor=#E9E9E9| 550948 || || — || October 23, 2008 || Kitt Peak || Spacewatch || || align=right | 1.1 km || |-id=949 bgcolor=#fefefe| 550949 || || — || October 8, 2012 || Mount Lemmon || Mount Lemmon Survey || MAS || align=right data-sort-value="0.59" | 590 m || |-id=950 bgcolor=#fefefe| 550950 || || — || January 5, 2006 || Kitt Peak || Spacewatch || MAS || align=right data-sort-value="0.54" | 540 m || |-id=951 bgcolor=#d6d6d6| 550951 || || — || August 21, 2001 || Palomar || NEAT || || align=right | 4.0 km || |-id=952 bgcolor=#E9E9E9| 550952 || || — || October 10, 2012 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=953 bgcolor=#d6d6d6| 550953 || || — || April 10, 2010 || Kitt Peak || Spacewatch || || align=right | 3.9 km || |-id=954 bgcolor=#d6d6d6| 550954 || || — || May 4, 2005 || Mauna Kea || Mauna Kea Obs. || THM || align=right | 2.0 km || |-id=955 bgcolor=#E9E9E9| 550955 || || — || August 22, 2003 || Palomar || NEAT || || align=right | 1.5 km || |-id=956 bgcolor=#fefefe| 550956 || || — || November 2, 2005 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.94" | 940 m || |-id=957 bgcolor=#fefefe| 550957 || || — || November 19, 2009 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.82" | 820 m || |-id=958 bgcolor=#E9E9E9| 550958 || || — || October 30, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.54" | 540 m || |-id=959 bgcolor=#E9E9E9| 550959 || || — || November 3, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.75" | 750 m || |-id=960 bgcolor=#E9E9E9| 550960 || || — || November 6, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=961 bgcolor=#fefefe| 550961 || || — || May 24, 2011 || Haleakala || Pan-STARRS || || align=right | 1.1 km || |-id=962 bgcolor=#d6d6d6| 550962 || || — || January 10, 2003 || Palomar || NEAT || || align=right | 3.7 km || |-id=963 bgcolor=#d6d6d6| 550963 || || — || October 22, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=964 bgcolor=#fefefe| 550964 || || — || September 17, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.82" | 820 m || |-id=965 bgcolor=#d6d6d6| 550965 || || — || September 16, 2012 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=966 bgcolor=#d6d6d6| 550966 || || — || December 1, 2007 || Bisei SG Center || K. Nishiyama, N. Hashimoto || || align=right | 2.9 km || |-id=967 bgcolor=#fefefe| 550967 || || — || April 9, 2003 || Palomar || NEAT || V || align=right data-sort-value="0.78" | 780 m || |-id=968 bgcolor=#fefefe| 550968 || || — || July 28, 2005 || Palomar || NEAT || || align=right data-sort-value="0.62" | 620 m || |-id=969 bgcolor=#fefefe| 550969 || || — || September 29, 2005 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.75" | 750 m || |-id=970 bgcolor=#fefefe| 550970 || || — || January 30, 2006 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.65" | 650 m || |-id=971 bgcolor=#fefefe| 550971 || || — || November 9, 2001 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.78" | 780 m || |-id=972 bgcolor=#fefefe| 550972 || || — || April 7, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.0 km || |-id=973 bgcolor=#E9E9E9| 550973 || || — || October 22, 2012 || Haleakala || Pan-STARRS || || align=right | 1.4 km || |-id=974 bgcolor=#d6d6d6| 550974 || || — || October 18, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.7 km || |-id=975 bgcolor=#E9E9E9| 550975 || || — || September 26, 2012 || Nogales || M. Schwartz, P. R. Holvorcem || || align=right | 1.0 km || |-id=976 bgcolor=#E9E9E9| 550976 || || — || October 19, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=977 bgcolor=#fefefe| 550977 || || — || October 19, 2012 || Haleakala || Pan-STARRS || H || align=right data-sort-value="0.62" | 620 m || |-id=978 bgcolor=#d6d6d6| 550978 || || — || October 6, 2012 || Haleakala || Pan-STARRS || || align=right | 3.1 km || |-id=979 bgcolor=#d6d6d6| 550979 || || — || October 6, 2012 || Haleakala || Pan-STARRS || 7:4 || align=right | 4.6 km || |-id=980 bgcolor=#fefefe| 550980 || || — || October 23, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.78" | 780 m || |-id=981 bgcolor=#E9E9E9| 550981 || || — || December 31, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.86" | 860 m || |-id=982 bgcolor=#fefefe| 550982 || || — || October 14, 2012 || ASC-Kislovodsk || V. Nevski, O. Zeloyniy || H || align=right data-sort-value="0.65" | 650 m || |-id=983 bgcolor=#d6d6d6| 550983 || || — || March 25, 2010 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=984 bgcolor=#fefefe| 550984 || || — || April 13, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.78" | 780 m || |-id=985 bgcolor=#E9E9E9| 550985 || || — || April 20, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=986 bgcolor=#E9E9E9| 550986 || || — || October 28, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.67" | 670 m || |-id=987 bgcolor=#d6d6d6| 550987 || || — || October 8, 2012 || Haleakala || Pan-STARRS || || align=right | 2.4 km || |-id=988 bgcolor=#E9E9E9| 550988 || || — || January 22, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=989 bgcolor=#E9E9E9| 550989 || || — || June 5, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.7 km || |-id=990 bgcolor=#fefefe| 550990 || || — || September 18, 2001 || Apache Point || SDSS Collaboration || || align=right data-sort-value="0.78" | 780 m || |-id=991 bgcolor=#E9E9E9| 550991 || || — || August 28, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=992 bgcolor=#fefefe| 550992 || || — || April 1, 2003 || Kitt Peak || M. W. Buie, A. B. Jordan || || align=right data-sort-value="0.78" | 780 m || |-id=993 bgcolor=#fefefe| 550993 || || — || March 11, 2003 || Palomar || NEAT || V || align=right data-sort-value="0.89" | 890 m || |-id=994 bgcolor=#d6d6d6| 550994 || || — || September 28, 2006 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=995 bgcolor=#d6d6d6| 550995 || || — || October 5, 2000 || Kitt Peak || Spacewatch || (1118) || align=right | 4.0 km || |-id=996 bgcolor=#fefefe| 550996 || || — || December 29, 2005 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.78" | 780 m || |-id=997 bgcolor=#E9E9E9| 550997 || || — || October 9, 2012 || Mayhill-ISON || L. Elenin || || align=right | 1.1 km || |-id=998 bgcolor=#E9E9E9| 550998 || || — || September 25, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.1 km || |-id=999 bgcolor=#fefefe| 550999 || || — || October 6, 2012 || Haleakala || Pan-STARRS || || align=right | 1.0 km || |-id=000 bgcolor=#d6d6d6| 551000 || || — || May 29, 2003 || Cerro Tololo || M. W. Buie, K. J. Meech || TIR || align=right | 2.8 km || |}

External links

• Discovery Circumstances: Numbered Minor Planets (550001)–(555000) (IAU Minor Planet Center)