List of minor planets: 521001–522000 explained

521001–521100

|-bgcolor=#d6d6d6| 521001 || || — || January 29, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=002 bgcolor=#E9E9E9| 521002 || || — || November 24, 2009 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=003 bgcolor=#d6d6d6| 521003 || || — || February 12, 2004 || Kitt Peak || Spacewatch || || align=right | 3.0 km || |-id=004 bgcolor=#d6d6d6| 521004 || || — || March 13, 2007 || Kitt Peak || Spacewatch || || align=right | 3.4 km || |-id=005 bgcolor=#d6d6d6| 521005 || || — || March 11, 2005 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=006 bgcolor=#d6d6d6| 521006 || || — || November 7, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 4.0 km || |-id=007 bgcolor=#d6d6d6| 521007 || || — || September 10, 2007 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=008 bgcolor=#fefefe| 521008 || || — || December 26, 2006 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.85" | 850 m || |-id=009 bgcolor=#d6d6d6| 521009 || || — || February 19, 2009 || Kitt Peak || Spacewatch || || align=right | 3.4 km || |-id=010 bgcolor=#E9E9E9| 521010 || || — || February 10, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.3 km || |-id=011 bgcolor=#E9E9E9| 521011 || || — || January 22, 2015 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=012 bgcolor=#E9E9E9| 521012 || || — || January 16, 2015 || Haleakala || Pan-STARRS || || align=right | 1.1 km || |-id=013 bgcolor=#d6d6d6| 521013 || || — || November 9, 2007 || Catalina || CSS || || align=right | 3.5 km || |-id=014 bgcolor=#d6d6d6| 521014 || || — || August 21, 2012 || Haleakala || Pan-STARRS || || align=right | 3.3 km || |-id=015 bgcolor=#d6d6d6| 521015 || || — || February 10, 2015 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=016 bgcolor=#E9E9E9| 521016 || || — || October 28, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.0 km || |-id=017 bgcolor=#d6d6d6| 521017 || || — || February 18, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.6 km || |-id=018 bgcolor=#E9E9E9| 521018 || || — || January 31, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.3 km || |-id=019 bgcolor=#d6d6d6| 521019 || || — || January 21, 2015 || Haleakala || Pan-STARRS || || align=right | 2.2 km || |-id=020 bgcolor=#E9E9E9| 521020 || || — || September 4, 2008 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=021 bgcolor=#d6d6d6| 521021 || || — || September 21, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=022 bgcolor=#d6d6d6| 521022 || || — || February 2, 2009 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=023 bgcolor=#E9E9E9| 521023 || || — || August 24, 2007 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=024 bgcolor=#E9E9E9| 521024 || || — || November 26, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=025 bgcolor=#E9E9E9| 521025 || || — || November 10, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=026 bgcolor=#E9E9E9| 521026 || || — || January 27, 2015 || Haleakala || Pan-STARRS || || align=right | 1.00 km || |-id=027 bgcolor=#d6d6d6| 521027 || || — || January 25, 2015 || Haleakala || Pan-STARRS || || align=right | 2.4 km || |-id=028 bgcolor=#E9E9E9| 521028 || || — || December 16, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=029 bgcolor=#E9E9E9| 521029 || || — || April 25, 2007 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=030 bgcolor=#E9E9E9| 521030 || || — || September 10, 2008 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=031 bgcolor=#d6d6d6| 521031 || || — || June 15, 2005 || Kitt Peak || Spacewatch || || align=right | 3.0 km || |-id=032 bgcolor=#E9E9E9| 521032 || || — || January 23, 2015 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.89" | 890 m || |-id=033 bgcolor=#d6d6d6| 521033 || || — || January 16, 2009 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=034 bgcolor=#d6d6d6| 521034 || || — || September 14, 2012 || Catalina || CSS || || align=right | 3.4 km || |-id=035 bgcolor=#fefefe| 521035 || || — || February 2, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.85" | 850 m || |-id=036 bgcolor=#fefefe| 521036 || || — || January 20, 2015 || Haleakala || Pan-STARRS || H || align=right data-sort-value="0.52" | 520 m || |-id=037 bgcolor=#fefefe| 521037 || || — || June 2, 2013 || Kitt Peak || Spacewatch || H || align=right data-sort-value="0.65" | 650 m || |-id=038 bgcolor=#d6d6d6| 521038 || || — || August 21, 2006 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=039 bgcolor=#d6d6d6| 521039 || || — || August 25, 2012 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=040 bgcolor=#d6d6d6| 521040 || || — || February 10, 2010 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=041 bgcolor=#fefefe| 521041 || || — || April 13, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.62" | 620 m || |-id=042 bgcolor=#E9E9E9| 521042 || || — || August 3, 2004 || Siding Spring || SSS || || align=right | 1.0 km || |-id=043 bgcolor=#d6d6d6| 521043 || || — || February 15, 2010 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=044 bgcolor=#E9E9E9| 521044 || || — || February 20, 2006 || Kitt Peak || Spacewatch || || align=right | 1.5 km || |-id=045 bgcolor=#d6d6d6| 521045 || || — || November 19, 2008 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=046 bgcolor=#fefefe| 521046 || || — || October 3, 2013 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.71" | 710 m || |-id=047 bgcolor=#E9E9E9| 521047 || || — || March 12, 2007 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.77" | 770 m || |-id=048 bgcolor=#d6d6d6| 521048 || || — || January 23, 2015 || Haleakala || Pan-STARRS || || align=right | 3.0 km || |-id=049 bgcolor=#d6d6d6| 521049 || || — || April 20, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.0 km || |-id=050 bgcolor=#E9E9E9| 521050 || || — || August 7, 2008 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=051 bgcolor=#d6d6d6| 521051 || || — || January 29, 2015 || Haleakala || Pan-STARRS || || align=right | 2.6 km || |-id=052 bgcolor=#E9E9E9| 521052 || || — || August 13, 2012 || Haleakala || Pan-STARRS || || align=right | 1.3 km || |-id=053 bgcolor=#E9E9E9| 521053 || || — || January 23, 2006 || Kitt Peak || Spacewatch || || align=right | 1.5 km || |-id=054 bgcolor=#E9E9E9| 521054 || || — || October 24, 2009 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.76" | 760 m || |-id=055 bgcolor=#d6d6d6| 521055 || || — || February 16, 2015 || Haleakala || Pan-STARRS || || align=right | 2.1 km || |-id=056 bgcolor=#E9E9E9| 521056 || || — || November 2, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=057 bgcolor=#E9E9E9| 521057 || || — || January 7, 2010 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=058 bgcolor=#E9E9E9| 521058 || || — || March 16, 2007 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.77" | 770 m || |-id=059 bgcolor=#fefefe| 521059 || || — || January 10, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.55" | 550 m || |-id=060 bgcolor=#d6d6d6| 521060 || || — || October 10, 2007 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=061 bgcolor=#E9E9E9| 521061 || || — || May 7, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=062 bgcolor=#d6d6d6| 521062 || || — || March 18, 2010 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=063 bgcolor=#E9E9E9| 521063 || || — || January 6, 2010 || Kitt Peak || Spacewatch || || align=right | 1.5 km || |-id=064 bgcolor=#d6d6d6| 521064 || || — || February 14, 2005 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=065 bgcolor=#E9E9E9| 521065 || || — || August 21, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.82" | 820 m || |-id=066 bgcolor=#fefefe| 521066 || || — || January 2, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.57" | 570 m || |-id=067 bgcolor=#E9E9E9| 521067 || || — || September 23, 2008 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=068 bgcolor=#d6d6d6| 521068 || || — || October 9, 2007 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=069 bgcolor=#fefefe| 521069 || || — || May 3, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.72" | 720 m || |-id=070 bgcolor=#E9E9E9| 521070 || || — || January 26, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.3 km || |-id=071 bgcolor=#fefefe| 521071 || || — || September 13, 2005 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.77" | 770 m || |-id=072 bgcolor=#d6d6d6| 521072 || || — || January 1, 2014 || Haleakala || Pan-STARRS || || align=right | 3.5 km || |-id=073 bgcolor=#E9E9E9| 521073 || || — || January 28, 2015 || Haleakala || Pan-STARRS || || align=right | 1.4 km || |-id=074 bgcolor=#E9E9E9| 521074 || || — || February 16, 2015 || Haleakala || Pan-STARRS || || align=right | 1.5 km || |-id=075 bgcolor=#d6d6d6| 521075 || || — || March 24, 2010 || WISE || WISE || || align=right | 2.6 km || |-id=076 bgcolor=#fefefe| 521076 || || — || December 23, 1998 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.98" | 980 m || |-id=077 bgcolor=#E9E9E9| 521077 || || — || April 24, 2011 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=078 bgcolor=#E9E9E9| 521078 || || — || November 7, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=079 bgcolor=#E9E9E9| 521079 || || — || October 14, 2013 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=080 bgcolor=#d6d6d6| 521080 || || — || January 29, 2015 || Haleakala || Pan-STARRS || || align=right | 2.9 km || |-id=081 bgcolor=#E9E9E9| 521081 || || — || January 19, 2015 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.6 km || |-id=082 bgcolor=#fefefe| 521082 || || — || January 24, 2015 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.69" | 690 m || |-id=083 bgcolor=#E9E9E9| 521083 || || — || October 15, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=084 bgcolor=#E9E9E9| 521084 || || — || March 14, 2011 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=085 bgcolor=#d6d6d6| 521085 || || — || October 20, 2012 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=086 bgcolor=#d6d6d6| 521086 || || — || February 18, 2015 || Haleakala || Pan-STARRS || || align=right | 2.2 km || |-id=087 bgcolor=#E9E9E9| 521087 || || — || October 23, 2004 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=088 bgcolor=#d6d6d6| 521088 || || — || March 19, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=089 bgcolor=#d6d6d6| 521089 || || — || September 22, 1995 || Kitt Peak || Spacewatch || || align=right | 3.5 km || |-id=090 bgcolor=#E9E9E9| 521090 || || — || January 21, 2015 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.90" | 900 m || |-id=091 bgcolor=#E9E9E9| 521091 || || — || April 6, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.3 km || |-id=092 bgcolor=#d6d6d6| 521092 || || — || January 31, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.2 km || |-id=093 bgcolor=#E9E9E9| 521093 || || — || October 28, 2005 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.64" | 640 m || |-id=094 bgcolor=#d6d6d6| 521094 || || — || January 31, 2009 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=095 bgcolor=#E9E9E9| 521095 || || — || May 31, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=096 bgcolor=#E9E9E9| 521096 || || — || April 19, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=097 bgcolor=#E9E9E9| 521097 || || — || January 16, 2015 || Haleakala || Pan-STARRS || || align=right | 1.2 km || |-id=098 bgcolor=#d6d6d6| 521098 || || — || November 13, 2007 || Kitt Peak || Spacewatch || || align=right | 3.2 km || |-id=099 bgcolor=#d6d6d6| 521099 || || — || February 20, 2015 || Haleakala || Pan-STARRS || || align=right | 3.3 km || |-id=100 bgcolor=#d6d6d6| 521100 || || — || November 24, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.0 km || |}

521101–521200

|-bgcolor=#d6d6d6| 521101 || || — || November 29, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.6 km || |-id=102 bgcolor=#d6d6d6| 521102 || || — || October 17, 2012 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=103 bgcolor=#fefefe| 521103 || || — || February 23, 2015 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.71" | 710 m || |-id=104 bgcolor=#d6d6d6| 521104 || || — || June 10, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.4 km || |-id=105 bgcolor=#E9E9E9| 521105 || || — || October 25, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.3 km || |-id=106 bgcolor=#d6d6d6| 521106 || || — || February 6, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=107 bgcolor=#d6d6d6| 521107 || || — || November 7, 2012 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=108 bgcolor=#fefefe| 521108 || || — || March 13, 2011 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.85" | 850 m || |-id=109 bgcolor=#d6d6d6| 521109 || || — || January 10, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=110 bgcolor=#E9E9E9| 521110 || || — || August 26, 2012 || Haleakala || Pan-STARRS || || align=right | 1.1 km || |-id=111 bgcolor=#d6d6d6| 521111 || || — || September 9, 2007 || Kitt Peak || Spacewatch || || align=right | 3.3 km || |-id=112 bgcolor=#d6d6d6| 521112 || || — || April 10, 2010 || Kitt Peak || Spacewatch || || align=right | 3.2 km || |-id=113 bgcolor=#d6d6d6| 521113 || || — || January 5, 2014 || Haleakala || Pan-STARRS || || align=right | 2.4 km || |-id=114 bgcolor=#fefefe| 521114 || || — || March 15, 2011 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.75" | 750 m || |-id=115 bgcolor=#E9E9E9| 521115 || || — || November 21, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=116 bgcolor=#E9E9E9| 521116 || || — || September 5, 2008 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=117 bgcolor=#fefefe| 521117 || || — || March 10, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.67" | 670 m || |-id=118 bgcolor=#E9E9E9| 521118 || || — || October 5, 2004 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=119 bgcolor=#fefefe| 521119 || || — || November 10, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.78" | 780 m || |-id=120 bgcolor=#E9E9E9| 521120 || || — || April 9, 2003 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.76" | 760 m || |-id=121 bgcolor=#E9E9E9| 521121 || || — || October 27, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.1 km || |-id=122 bgcolor=#fefefe| 521122 || || — || March 31, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.72" | 720 m || |-id=123 bgcolor=#E9E9E9| 521123 || || — || January 22, 2015 || Haleakala || Pan-STARRS || || align=right | 1.6 km || |-id=124 bgcolor=#E9E9E9| 521124 || || — || August 26, 2012 || Haleakala || Pan-STARRS || || align=right | 1.5 km || |-id=125 bgcolor=#d6d6d6| 521125 || || — || October 18, 2012 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=126 bgcolor=#d6d6d6| 521126 || || — || September 19, 2006 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=127 bgcolor=#E9E9E9| 521127 || || — || September 4, 2008 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=128 bgcolor=#d6d6d6| 521128 || || — || April 17, 2009 || Catalina || CSS || || align=right | 2.9 km || |-id=129 bgcolor=#d6d6d6| 521129 || || — || October 21, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.3 km || |-id=130 bgcolor=#d6d6d6| 521130 || || — || February 24, 2014 || Haleakala || Pan-STARRS || || align=right | 2.9 km || |-id=131 bgcolor=#fefefe| 521131 || || — || February 2, 2012 || Kitt Peak || Spacewatch || H || align=right data-sort-value="0.59" | 590 m || |-id=132 bgcolor=#fefefe| 521132 || || — || December 1, 2014 || Haleakala || Pan-STARRS || H || align=right data-sort-value="0.71" | 710 m || |-id=133 bgcolor=#d6d6d6| 521133 || || — || January 20, 2009 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=134 bgcolor=#d6d6d6| 521134 || || — || January 21, 2015 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=135 bgcolor=#d6d6d6| 521135 || || — || January 24, 2014 || Haleakala || Pan-STARRS || || align=right | 3.3 km || |-id=136 bgcolor=#fefefe| 521136 || || — || January 10, 2007 || Mount Lemmon || Mount Lemmon Survey || H || align=right data-sort-value="0.56" | 560 m || |-id=137 bgcolor=#d6d6d6| 521137 || || — || March 17, 2015 || Haleakala || Pan-STARRS || || align=right | 2.8 km || |-id=138 bgcolor=#fefefe| 521138 || || — || January 2, 2009 || Mount Lemmon || Mount Lemmon Survey || H || align=right data-sort-value="0.74" | 740 m || |-id=139 bgcolor=#fefefe| 521139 || || — || June 30, 2013 || Haleakala || Pan-STARRS || H || align=right data-sort-value="0.75" | 750 m || |-id=140 bgcolor=#fefefe| 521140 || || — || October 7, 2008 || Catalina || CSS || H || align=right data-sort-value="0.75" | 750 m || |-id=141 bgcolor=#fefefe| 521141 || || — || September 29, 2003 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.79" | 790 m || |-id=142 bgcolor=#d6d6d6| 521142 || || — || October 9, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=143 bgcolor=#E9E9E9| 521143 || || — || May 24, 2011 || Haleakala || Pan-STARRS || || align=right | 2.4 km || |-id=144 bgcolor=#d6d6d6| 521144 || || — || October 1, 2005 || Mount Lemmon || Mount Lemmon Survey || T_j (2.99) || align=right | 2.9 km || |-id=145 bgcolor=#fefefe| 521145 || || — || March 12, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.62" | 620 m || |-id=146 bgcolor=#d6d6d6| 521146 || || — || August 29, 2006 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=147 bgcolor=#E9E9E9| 521147 || || — || April 13, 2011 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=148 bgcolor=#E9E9E9| 521148 || || — || February 18, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.7 km || |-id=149 bgcolor=#d6d6d6| 521149 || || — || March 17, 2015 || Haleakala || Pan-STARRS || || align=right | 2.1 km || |-id=150 bgcolor=#E9E9E9| 521150 || || — || November 29, 2013 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.79" | 790 m || |-id=151 bgcolor=#d6d6d6| 521151 || || — || November 12, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=152 bgcolor=#d6d6d6| 521152 || || — || October 23, 2012 || Kitt Peak || Spacewatch || || align=right | 3.2 km || |-id=153 bgcolor=#E9E9E9| 521153 || || — || January 4, 2010 || Kitt Peak || Spacewatch || || align=right | 3.0 km || |-id=154 bgcolor=#E9E9E9| 521154 || || — || February 18, 2010 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=155 bgcolor=#d6d6d6| 521155 || || — || May 13, 2005 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=156 bgcolor=#E9E9E9| 521156 || || — || October 8, 2008 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=157 bgcolor=#d6d6d6| 521157 || || — || August 28, 2006 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=158 bgcolor=#d6d6d6| 521158 || || — || December 30, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=159 bgcolor=#d6d6d6| 521159 || || — || November 14, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=160 bgcolor=#d6d6d6| 521160 || || — || February 24, 2009 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=161 bgcolor=#d6d6d6| 521161 || || — || August 27, 2011 || Haleakala || Pan-STARRS || || align=right | 2.4 km || |-id=162 bgcolor=#d6d6d6| 521162 || || — || October 13, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=163 bgcolor=#fefefe| 521163 || || — || October 12, 2005 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.78" | 780 m || |-id=164 bgcolor=#E9E9E9| 521164 || || — || October 23, 2008 || Kitt Peak || Spacewatch || || align=right | 1.5 km || |-id=165 bgcolor=#d6d6d6| 521165 || || — || March 21, 2015 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=166 bgcolor=#d6d6d6| 521166 || || — || November 3, 2007 || Kitt Peak || Spacewatch || || align=right | 3.2 km || |-id=167 bgcolor=#E9E9E9| 521167 || || — || March 21, 2015 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=168 bgcolor=#E9E9E9| 521168 || || — || October 18, 2012 || Haleakala || Pan-STARRS || || align=right | 1.3 km || |-id=169 bgcolor=#d6d6d6| 521169 || || — || November 30, 2008 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=170 bgcolor=#d6d6d6| 521170 || || — || January 3, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=171 bgcolor=#fefefe| 521171 || || — || September 17, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.73" | 730 m || |-id=172 bgcolor=#E9E9E9| 521172 || || — || March 22, 2015 || Haleakala || Pan-STARRS || || align=right | 1.3 km || |-id=173 bgcolor=#E9E9E9| 521173 || || — || March 22, 2015 || Haleakala || Pan-STARRS || || align=right | 1.4 km || |-id=174 bgcolor=#E9E9E9| 521174 || || — || December 7, 2013 || Haleakala || Pan-STARRS || || align=right | 1.5 km || |-id=175 bgcolor=#fefefe| 521175 || || — || March 22, 2015 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.80" | 800 m || |-id=176 bgcolor=#d6d6d6| 521176 || || — || February 2, 2009 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=177 bgcolor=#E9E9E9| 521177 || || — || January 31, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.1 km || |-id=178 bgcolor=#E9E9E9| 521178 || || — || January 19, 2015 || Haleakala || Pan-STARRS || || align=right | 1.0 km || |-id=179 bgcolor=#d6d6d6| 521179 || || — || September 17, 2012 || Kitt Peak || Spacewatch || || align=right | 3.0 km || |-id=180 bgcolor=#fefefe| 521180 || || — || November 21, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.89" | 890 m || |-id=181 bgcolor=#d6d6d6| 521181 || || — || October 20, 2012 || Haleakala || Pan-STARRS || || align=right | 2.4 km || |-id=182 bgcolor=#d6d6d6| 521182 || || — || September 25, 2011 || Haleakala || Pan-STARRS || || align=right | 2.8 km || |-id=183 bgcolor=#E9E9E9| 521183 || || — || December 18, 2009 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=184 bgcolor=#E9E9E9| 521184 || || — || March 28, 2015 || Haleakala || Pan-STARRS || || align=right | 1.1 km || |-id=185 bgcolor=#d6d6d6| 521185 || || — || January 31, 2009 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=186 bgcolor=#E9E9E9| 521186 || || — || November 29, 2013 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.93" | 930 m || |-id=187 bgcolor=#d6d6d6| 521187 || || — || January 9, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=188 bgcolor=#d6d6d6| 521188 || || — || March 28, 2015 || Haleakala || Pan-STARRS || || align=right | 2.1 km || |-id=189 bgcolor=#d6d6d6| 521189 || || — || December 4, 2007 || Kitt Peak || Spacewatch || || align=right | 3.4 km || |-id=190 bgcolor=#d6d6d6| 521190 || || — || January 23, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=191 bgcolor=#E9E9E9| 521191 || || — || January 9, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=192 bgcolor=#d6d6d6| 521192 || || — || September 26, 2006 || Kitt Peak || Spacewatch || || align=right | 3.2 km || |-id=193 bgcolor=#E9E9E9| 521193 || || — || December 31, 2013 || Haleakala || Pan-STARRS || || align=right | 2.1 km || |-id=194 bgcolor=#E9E9E9| 521194 || || — || November 9, 2013 || Catalina || CSS || || align=right | 2.0 km || |-id=195 bgcolor=#d6d6d6| 521195 || || — || October 9, 2012 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=196 bgcolor=#d6d6d6| 521196 || || — || September 24, 2007 || Kitt Peak || Spacewatch || || align=right | 3.4 km || |-id=197 bgcolor=#fefefe| 521197 || || — || April 14, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.73" | 730 m || |-id=198 bgcolor=#fefefe| 521198 || || — || November 28, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.71" | 710 m || |-id=199 bgcolor=#d6d6d6| 521199 || || — || December 31, 2008 || Kitt Peak || Spacewatch || || align=right | 3.0 km || |-id=200 bgcolor=#d6d6d6| 521200 || || — || February 28, 2014 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |}

521201–521300

|-bgcolor=#d6d6d6| 521201 || || — || October 26, 2011 || Haleakala || Pan-STARRS || || align=right | 3.1 km || |-id=202 bgcolor=#E9E9E9| 521202 || || — || March 29, 2015 || Haleakala || Pan-STARRS || || align=right | 1.3 km || |-id=203 bgcolor=#fefefe| 521203 || || — || March 15, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.97" | 970 m || |-id=204 bgcolor=#d6d6d6| 521204 || || — || March 30, 2015 || Haleakala || Pan-STARRS || || align=right | 2.6 km || |-id=205 bgcolor=#d6d6d6| 521205 || || — || March 17, 2009 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=206 bgcolor=#E9E9E9| 521206 || || — || March 18, 2010 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=207 bgcolor=#E9E9E9| 521207 || || — || April 21, 2006 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=208 bgcolor=#d6d6d6| 521208 || || — || September 17, 2006 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=209 bgcolor=#d6d6d6| 521209 || || — || March 30, 2015 || Haleakala || Pan-STARRS || || align=right | 2.1 km || |-id=210 bgcolor=#d6d6d6| 521210 || || — || October 18, 2007 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=211 bgcolor=#d6d6d6| 521211 || || — || March 2, 2009 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=212 bgcolor=#d6d6d6| 521212 || || — || March 30, 2015 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=213 bgcolor=#d6d6d6| 521213 || || — || September 27, 2006 || Catalina || CSS || || align=right | 3.6 km || |-id=214 bgcolor=#E9E9E9| 521214 || || — || February 11, 2011 || Catalina || CSS || || align=right | 1.9 km || |-id=215 bgcolor=#fefefe| 521215 || || — || January 27, 2007 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.65" | 650 m || |-id=216 bgcolor=#E9E9E9| 521216 || || — || November 6, 2013 || Haleakala || Pan-STARRS || || align=right | 1.2 km || |-id=217 bgcolor=#E9E9E9| 521217 || || — || March 4, 2006 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=218 bgcolor=#E9E9E9| 521218 || || — || October 18, 2012 || Haleakala || Pan-STARRS || || align=right | 1.6 km || |-id=219 bgcolor=#fefefe| 521219 || || — || March 9, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.66" | 660 m || |-id=220 bgcolor=#d6d6d6| 521220 || || — || September 25, 2011 || Haleakala || Pan-STARRS || || align=right | 2.7 km || |-id=221 bgcolor=#d6d6d6| 521221 || || — || April 10, 2015 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.2 km || |-id=222 bgcolor=#E9E9E9| 521222 || || — || January 25, 2014 || Haleakala || Pan-STARRS || || align=right | 1.5 km || |-id=223 bgcolor=#E9E9E9| 521223 || || — || February 10, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=224 bgcolor=#d6d6d6| 521224 || || — || April 13, 2015 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=225 bgcolor=#d6d6d6| 521225 || || — || April 13, 2015 || Haleakala || Pan-STARRS || || align=right | 2.2 km || |-id=226 bgcolor=#d6d6d6| 521226 || || — || November 11, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=227 bgcolor=#E9E9E9| 521227 || || — || April 13, 2015 || Haleakala || Pan-STARRS || || align=right | 1.3 km || |-id=228 bgcolor=#d6d6d6| 521228 || || — || March 3, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=229 bgcolor=#d6d6d6| 521229 || || — || June 11, 2005 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=230 bgcolor=#fefefe| 521230 || || — || September 28, 2009 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.66" | 660 m || |-id=231 bgcolor=#fefefe| 521231 || || — || March 17, 2015 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.54" | 540 m || |-id=232 bgcolor=#d6d6d6| 521232 || || — || February 13, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=233 bgcolor=#d6d6d6| 521233 || || — || April 18, 2015 || Kitt Peak || Spacewatch || || align=right | 3.1 km || |-id=234 bgcolor=#d6d6d6| 521234 || || — || August 30, 2011 || Haleakala || Pan-STARRS || || align=right | 3.0 km || |-id=235 bgcolor=#d6d6d6| 521235 || || — || November 17, 2007 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=236 bgcolor=#E9E9E9| 521236 || || — || January 25, 2014 || Haleakala || Pan-STARRS || || align=right | 1.2 km || |-id=237 bgcolor=#fefefe| 521237 || || — || November 30, 2006 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.91" | 910 m || |-id=238 bgcolor=#E9E9E9| 521238 || || — || October 9, 2012 || Haleakala || Pan-STARRS || || align=right | 1.0 km || |-id=239 bgcolor=#d6d6d6| 521239 || || — || September 28, 2006 || Kitt Peak || Spacewatch || || align=right | 3.0 km || |-id=240 bgcolor=#E9E9E9| 521240 || || — || April 18, 2015 || Haleakala || Pan-STARRS || || align=right | 1.1 km || |-id=241 bgcolor=#d6d6d6| 521241 || || — || April 2, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.4 km || |-id=242 bgcolor=#E9E9E9| 521242 || || — || April 23, 2011 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=243 bgcolor=#fefefe| 521243 || || — || February 25, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.65" | 650 m || |-id=244 bgcolor=#E9E9E9| 521244 || || — || October 21, 2012 || Haleakala || Pan-STARRS || || align=right | 2.0 km || |-id=245 bgcolor=#d6d6d6| 521245 || || — || September 24, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=246 bgcolor=#fefefe| 521246 || || — || March 6, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.66" | 660 m || |-id=247 bgcolor=#E9E9E9| 521247 || || — || December 19, 2004 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=248 bgcolor=#E9E9E9| 521248 || || — || June 4, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.4 km || |-id=249 bgcolor=#E9E9E9| 521249 || || — || November 18, 2008 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=250 bgcolor=#E9E9E9| 521250 || || — || June 8, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=251 bgcolor=#d6d6d6| 521251 || || — || October 11, 2012 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=252 bgcolor=#d6d6d6| 521252 || || — || October 22, 2012 || Haleakala || Pan-STARRS || || align=right | 3.0 km || |-id=253 bgcolor=#d6d6d6| 521253 || || — || March 30, 2015 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=254 bgcolor=#d6d6d6| 521254 || || — || September 17, 2012 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=255 bgcolor=#d6d6d6| 521255 || || — || September 4, 2011 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=256 bgcolor=#fefefe| 521256 || || — || March 24, 2015 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.81" | 810 m || |-id=257 bgcolor=#d6d6d6| 521257 || || — || April 23, 2015 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=258 bgcolor=#d6d6d6| 521258 || || — || October 12, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=259 bgcolor=#d6d6d6| 521259 || || — || October 1, 2005 || Catalina || CSS || || align=right | 3.2 km || |-id=260 bgcolor=#d6d6d6| 521260 || || — || October 20, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=261 bgcolor=#d6d6d6| 521261 || || — || December 3, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=262 bgcolor=#d6d6d6| 521262 || || — || October 28, 2005 || Mount Lemmon || Mount Lemmon Survey || 7:4 || align=right | 2.8 km || |-id=263 bgcolor=#d6d6d6| 521263 || || — || April 23, 2015 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=264 bgcolor=#d6d6d6| 521264 || || — || November 7, 2012 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=265 bgcolor=#E9E9E9| 521265 || || — || August 24, 2007 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=266 bgcolor=#E9E9E9| 521266 || || — || September 28, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=267 bgcolor=#fefefe| 521267 || || — || December 26, 2006 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.82" | 820 m || |-id=268 bgcolor=#E9E9E9| 521268 || || — || May 20, 2006 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=269 bgcolor=#d6d6d6| 521269 || || — || November 27, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=270 bgcolor=#d6d6d6| 521270 || || — || April 25, 2015 || Haleakala || Pan-STARRS || || align=right | 2.2 km || |-id=271 bgcolor=#E9E9E9| 521271 || || — || October 8, 2012 || Haleakala || Pan-STARRS || || align=right | 2.0 km || |-id=272 bgcolor=#E9E9E9| 521272 || || — || April 25, 2015 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=273 bgcolor=#d6d6d6| 521273 || || — || September 25, 2011 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=274 bgcolor=#d6d6d6| 521274 || || — || September 24, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=275 bgcolor=#d6d6d6| 521275 || || — || February 8, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.6 km || |-id=276 bgcolor=#E9E9E9| 521276 || || — || March 16, 2010 || Kitt Peak || Spacewatch || || align=right | 1.0 km || |-id=277 bgcolor=#d6d6d6| 521277 || || — || October 26, 2011 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=278 bgcolor=#d6d6d6| 521278 || || — || September 20, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=279 bgcolor=#E9E9E9| 521279 || || — || September 25, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=280 bgcolor=#d6d6d6| 521280 || || — || March 16, 2009 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=281 bgcolor=#d6d6d6| 521281 || || — || February 3, 2009 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=282 bgcolor=#d6d6d6| 521282 || || — || October 21, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=283 bgcolor=#E9E9E9| 521283 || || — || January 1, 2014 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=284 bgcolor=#d6d6d6| 521284 || || — || November 5, 2007 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=285 bgcolor=#d6d6d6| 521285 || || — || September 15, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=286 bgcolor=#fefefe| 521286 || || — || February 13, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.68" | 680 m || |-id=287 bgcolor=#E9E9E9| 521287 || || — || May 13, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.0 km || |-id=288 bgcolor=#d6d6d6| 521288 || || — || May 13, 2015 || Haleakala || Pan-STARRS || || align=right | 2.7 km || |-id=289 bgcolor=#d6d6d6| 521289 || || — || February 28, 2014 || Haleakala || Pan-STARRS || || align=right | 2.4 km || |-id=290 bgcolor=#d6d6d6| 521290 || || — || January 11, 2008 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=291 bgcolor=#d6d6d6| 521291 || || — || January 23, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=292 bgcolor=#d6d6d6| 521292 || || — || March 24, 2009 || Kitt Peak || Spacewatch || || align=right | 3.0 km || |-id=293 bgcolor=#fefefe| 521293 || || — || August 13, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.75" | 750 m || |-id=294 bgcolor=#d6d6d6| 521294 || || — || May 15, 2015 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=295 bgcolor=#d6d6d6| 521295 || || — || December 7, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=296 bgcolor=#d6d6d6| 521296 || || — || May 15, 2015 || Haleakala || Pan-STARRS || || align=right | 2.0 km || |-id=297 bgcolor=#d6d6d6| 521297 || || — || February 10, 2014 || Haleakala || Pan-STARRS || || align=right | 2.0 km || |-id=298 bgcolor=#E9E9E9| 521298 || || — || January 31, 2006 || Catalina || CSS || || align=right | 1.4 km || |-id=299 bgcolor=#fefefe| 521299 || || — || April 8, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.84" | 840 m || |-id=300 bgcolor=#d6d6d6| 521300 || || — || May 18, 2015 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |}

521301–521400

|-bgcolor=#d6d6d6| 521301 || || — || April 7, 2003 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=302 bgcolor=#d6d6d6| 521302 || || — || March 30, 2014 || Catalina || CSS || || align=right | 2.8 km || |-id=303 bgcolor=#d6d6d6| 521303 || || — || March 30, 2003 || Anderson Mesa || LONEOS || || align=right | 3.5 km || |-id=304 bgcolor=#d6d6d6| 521304 || || — || March 24, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=305 bgcolor=#d6d6d6| 521305 || || — || October 25, 2011 || Haleakala || Pan-STARRS || || align=right | 3.1 km || |-id=306 bgcolor=#fefefe| 521306 || || — || March 10, 2007 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.68" | 680 m || |-id=307 bgcolor=#d6d6d6| 521307 || || — || September 7, 2011 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=308 bgcolor=#d6d6d6| 521308 || || — || February 24, 2014 || Haleakala || Pan-STARRS || || align=right | 2.4 km || |-id=309 bgcolor=#E9E9E9| 521309 || || — || February 25, 2006 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=310 bgcolor=#E9E9E9| 521310 || || — || April 30, 2006 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=311 bgcolor=#fefefe| 521311 || || — || October 25, 2009 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.67" | 670 m || |-id=312 bgcolor=#d6d6d6| 521312 || || — || December 4, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=313 bgcolor=#E9E9E9| 521313 || || — || March 19, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.7 km || |-id=314 bgcolor=#fefefe| 521314 || || — || October 7, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.78" | 780 m || |-id=315 bgcolor=#E9E9E9| 521315 || || — || September 16, 2012 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=316 bgcolor=#E9E9E9| 521316 || || — || November 7, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=317 bgcolor=#fefefe| 521317 || || — || March 31, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.69" | 690 m || |-id=318 bgcolor=#d6d6d6| 521318 || || — || September 24, 2011 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=319 bgcolor=#d6d6d6| 521319 || || — || October 27, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.3 km || |-id=320 bgcolor=#d6d6d6| 521320 || || — || December 9, 2012 || Haleakala || Pan-STARRS || || align=right | 2.6 km || |-id=321 bgcolor=#d6d6d6| 521321 || || — || February 26, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.1 km || |-id=322 bgcolor=#E9E9E9| 521322 || || — || May 25, 2015 || Haleakala || Pan-STARRS || || align=right | 1.0 km || |-id=323 bgcolor=#E9E9E9| 521323 || || — || June 22, 2011 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=324 bgcolor=#fefefe| 521324 || || — || August 10, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.77" | 770 m || |-id=325 bgcolor=#d6d6d6| 521325 || || — || May 26, 2015 || Haleakala || Pan-STARRS || || align=right | 2.1 km || |-id=326 bgcolor=#d6d6d6| 521326 || || — || September 4, 2011 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=327 bgcolor=#E9E9E9| 521327 || || — || October 18, 2011 || Haleakala || Pan-STARRS || || align=right | 1.8 km || |-id=328 bgcolor=#fefefe| 521328 || || — || May 14, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.60" | 600 m || |-id=329 bgcolor=#E9E9E9| 521329 || || — || October 24, 2011 || Haleakala || Pan-STARRS || || align=right | 2.1 km || |-id=330 bgcolor=#d6d6d6| 521330 || || — || June 21, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.4 km || |-id=331 bgcolor=#E9E9E9| 521331 || || — || September 20, 2007 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=332 bgcolor=#d6d6d6| 521332 || || — || February 10, 2008 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=333 bgcolor=#d6d6d6| 521333 || || — || March 30, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=334 bgcolor=#fefefe| 521334 || || — || February 16, 2004 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.71" | 710 m || |-id=335 bgcolor=#fefefe| 521335 || || — || April 20, 2007 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.78" | 780 m || |-id=336 bgcolor=#d6d6d6| 521336 || || — || December 31, 2013 || Haleakala || Pan-STARRS || || align=right | 2.4 km || |-id=337 bgcolor=#E9E9E9| 521337 || || — || January 25, 2014 || Haleakala || Pan-STARRS || || align=right | 2.2 km || |-id=338 bgcolor=#E9E9E9| 521338 || || — || May 7, 2014 || Haleakala || Pan-STARRS || || align=right | 1.8 km || |-id=339 bgcolor=#d6d6d6| 521339 || || — || February 15, 2013 || Haleakala || Pan-STARRS || || align=right | 2.9 km || |-id=340 bgcolor=#d6d6d6| 521340 || || — || September 19, 2011 || Haleakala || Pan-STARRS || || align=right | 3.1 km || |-id=341 bgcolor=#E9E9E9| 521341 || || — || June 13, 2015 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=342 bgcolor=#fefefe| 521342 || || — || March 13, 2007 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.80" | 800 m || |-id=343 bgcolor=#d6d6d6| 521343 || || — || October 21, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=344 bgcolor=#E9E9E9| 521344 || || — || July 1, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.86" | 860 m || |-id=345 bgcolor=#d6d6d6| 521345 || || — || November 25, 2005 || Catalina || CSS || || align=right | 2.9 km || |-id=346 bgcolor=#E9E9E9| 521346 || || — || July 26, 2011 || Haleakala || Pan-STARRS || || align=right | 1.2 km || |-id=347 bgcolor=#E9E9E9| 521347 || || — || September 14, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.3 km || |-id=348 bgcolor=#d6d6d6| 521348 || || — || February 25, 2014 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=349 bgcolor=#E9E9E9| 521349 || || — || February 27, 2014 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=350 bgcolor=#E9E9E9| 521350 || || — || February 9, 2010 || Kitt Peak || Spacewatch || || align=right | 1.1 km || |-id=351 bgcolor=#E9E9E9| 521351 || || — || February 28, 2014 || Haleakala || Pan-STARRS || || align=right | 1.1 km || |-id=352 bgcolor=#E9E9E9| 521352 || || — || June 15, 2015 || Haleakala || Pan-STARRS || || align=right | 1.1 km || |-id=353 bgcolor=#d6d6d6| 521353 || || — || February 13, 2013 || Haleakala || Pan-STARRS || || align=right | 2.4 km || |-id=354 bgcolor=#d6d6d6| 521354 || || — || October 29, 2006 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=355 bgcolor=#d6d6d6| 521355 || || — || December 4, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=356 bgcolor=#fefefe| 521356 || || — || January 5, 2014 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.87" | 870 m || |-id=357 bgcolor=#fefefe| 521357 || || — || April 14, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.59" | 590 m || |-id=358 bgcolor=#fefefe| 521358 || || — || November 22, 2006 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.49" | 490 m || |-id=359 bgcolor=#fefefe| 521359 || || — || August 25, 2000 || Socorro || LINEAR || || align=right | 1.9 km || |-id=360 bgcolor=#fefefe| 521360 || || — || October 22, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.88" | 880 m || |-id=361 bgcolor=#fefefe| 521361 || || — || June 25, 2015 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.67" | 670 m || |-id=362 bgcolor=#d6d6d6| 521362 || || — || November 17, 2011 || Kitt Peak || Spacewatch || || align=right | 3.0 km || |-id=363 bgcolor=#d6d6d6| 521363 || || — || March 29, 2014 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=364 bgcolor=#E9E9E9| 521364 || || — || February 27, 2009 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=365 bgcolor=#d6d6d6| 521365 || || — || June 17, 2015 || Haleakala || Pan-STARRS || || align=right | 2.2 km || |-id=366 bgcolor=#d6d6d6| 521366 || || — || June 17, 2015 || Haleakala || Pan-STARRS || || align=right | 2.7 km || |-id=367 bgcolor=#d6d6d6| 521367 || || — || October 26, 2011 || Haleakala || Pan-STARRS || || align=right | 2.9 km || |-id=368 bgcolor=#d6d6d6| 521368 || || — || February 14, 2013 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=369 bgcolor=#fefefe| 521369 || || — || May 3, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.61" | 610 m || |-id=370 bgcolor=#d6d6d6| 521370 || || — || April 4, 2008 || Kitt Peak || Spacewatch || || align=right | 3.1 km || |-id=371 bgcolor=#E9E9E9| 521371 || || — || September 23, 2011 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=372 bgcolor=#E9E9E9| 521372 || || — || February 28, 2014 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=373 bgcolor=#fefefe| 521373 || || — || September 21, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.67" | 670 m || |-id=374 bgcolor=#E9E9E9| 521374 || || — || August 19, 2006 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=375 bgcolor=#d6d6d6| 521375 || || — || April 1, 2008 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=376 bgcolor=#E9E9E9| 521376 || || — || November 10, 2004 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.87" | 870 m || |-id=377 bgcolor=#d6d6d6| 521377 || || — || January 7, 2013 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=378 bgcolor=#d6d6d6| 521378 || || — || January 27, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=379 bgcolor=#d6d6d6| 521379 || || — || June 18, 2015 || Haleakala || Pan-STARRS || || align=right | 2.7 km || |-id=380 bgcolor=#E9E9E9| 521380 || || — || June 18, 2015 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.87" | 870 m || |-id=381 bgcolor=#d6d6d6| 521381 || || — || January 20, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=382 bgcolor=#E9E9E9| 521382 || || — || November 5, 2007 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=383 bgcolor=#d6d6d6| 521383 || || — || January 3, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.6 km || |-id=384 bgcolor=#E9E9E9| 521384 || || — || November 8, 2007 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=385 bgcolor=#fefefe| 521385 || || — || April 14, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.62" | 620 m || |-id=386 bgcolor=#d6d6d6| 521386 || || — || June 20, 2015 || Haleakala || Pan-STARRS || || align=right | 2.4 km || |-id=387 bgcolor=#E9E9E9| 521387 || || — || February 22, 2009 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=388 bgcolor=#d6d6d6| 521388 || || — || September 18, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=389 bgcolor=#E9E9E9| 521389 || || — || June 20, 2015 || Haleakala || Pan-STARRS || || align=right | 1.6 km || |-id=390 bgcolor=#fefefe| 521390 || || — || October 8, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.80" | 800 m || |-id=391 bgcolor=#E9E9E9| 521391 || || — || September 4, 2011 || Haleakala || Pan-STARRS || || align=right | 1.4 km || |-id=392 bgcolor=#d6d6d6| 521392 || || — || December 25, 2006 || Kitt Peak || Spacewatch || || align=right | 3.1 km || |-id=393 bgcolor=#d6d6d6| 521393 || || — || June 12, 2004 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=394 bgcolor=#E9E9E9| 521394 || || — || January 17, 2013 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=395 bgcolor=#d6d6d6| 521395 || || — || September 16, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=396 bgcolor=#E9E9E9| 521396 || || — || September 10, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.90" | 900 m || |-id=397 bgcolor=#d6d6d6| 521397 || || — || June 22, 2015 || Haleakala || Pan-STARRS || || align=right | 3.5 km || |-id=398 bgcolor=#fefefe| 521398 || || — || November 22, 2008 || Kitt Peak || Spacewatch || || align=right | 1.1 km || |-id=399 bgcolor=#d6d6d6| 521399 || || — || November 23, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.2 km || |-id=400 bgcolor=#d6d6d6| 521400 || || — || March 11, 2005 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |}

521401–521500

|-bgcolor=#E9E9E9| 521401 || || — || August 27, 2006 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=402 bgcolor=#d6d6d6| 521402 || || — || February 9, 2008 || Kitt Peak || Spacewatch || || align=right | 3.0 km || |-id=403 bgcolor=#d6d6d6| 521403 || || — || January 18, 2013 || Haleakala || Pan-STARRS || || align=right | 3.0 km || |-id=404 bgcolor=#d6d6d6| 521404 || || — || March 29, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.4 km || |-id=405 bgcolor=#d6d6d6| 521405 || || — || October 30, 2005 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.2 km || |-id=406 bgcolor=#d6d6d6| 521406 || || — || December 13, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=407 bgcolor=#d6d6d6| 521407 || || — || January 19, 2012 || Kitt Peak || Spacewatch || || align=right | 3.8 km || |-id=408 bgcolor=#d6d6d6| 521408 || || — || November 14, 2010 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=409 bgcolor=#E9E9E9| 521409 || || — || January 18, 2013 || Haleakala || Pan-STARRS || || align=right | 2.1 km || |-id=410 bgcolor=#d6d6d6| 521410 || || — || January 30, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=411 bgcolor=#E9E9E9| 521411 || || — || April 4, 2014 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=412 bgcolor=#E9E9E9| 521412 || || — || October 9, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=413 bgcolor=#d6d6d6| 521413 || || — || April 30, 2014 || Haleakala || Pan-STARRS || || align=right | 2.2 km || |-id=414 bgcolor=#d6d6d6| 521414 || || — || September 30, 2006 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=415 bgcolor=#E9E9E9| 521415 || || — || August 19, 2006 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=416 bgcolor=#d6d6d6| 521416 || || — || September 28, 2006 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=417 bgcolor=#d6d6d6| 521417 || || — || January 19, 2012 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=418 bgcolor=#d6d6d6| 521418 || || — || November 10, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=419 bgcolor=#E9E9E9| 521419 || || — || September 29, 2011 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=420 bgcolor=#d6d6d6| 521420 || || — || September 17, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=421 bgcolor=#d6d6d6| 521421 || || — || May 13, 2009 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=422 bgcolor=#d6d6d6| 521422 || || — || October 31, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=423 bgcolor=#E9E9E9| 521423 || || — || August 10, 2007 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.94" | 940 m || |-id=424 bgcolor=#E9E9E9| 521424 || || — || November 17, 2011 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=425 bgcolor=#d6d6d6| 521425 || || — || November 24, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=426 bgcolor=#E9E9E9| 521426 || || — || March 13, 2005 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=427 bgcolor=#E9E9E9| 521427 || || — || August 29, 2006 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=428 bgcolor=#d6d6d6| 521428 || || — || April 5, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=429 bgcolor=#E9E9E9| 521429 || || — || June 29, 2015 || Haleakala || Pan-STARRS || || align=right | 1.0 km || |-id=430 bgcolor=#d6d6d6| 521430 || || — || June 29, 2015 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=431 bgcolor=#E9E9E9| 521431 || || — || November 20, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=432 bgcolor=#d6d6d6| 521432 || || — || June 29, 2015 || Haleakala || Pan-STARRS || || align=right | 2.9 km || |-id=433 bgcolor=#fefefe| 521433 || || — || November 12, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.62" | 620 m || |-id=434 bgcolor=#fefefe| 521434 || || — || February 1, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.71" | 710 m || |-id=435 bgcolor=#E9E9E9| 521435 || || — || February 4, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.3 km || |-id=436 bgcolor=#E9E9E9| 521436 || || — || January 26, 2014 || Haleakala || Pan-STARRS || || align=right | 1.6 km || |-id=437 bgcolor=#E9E9E9| 521437 || || — || July 12, 2015 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=438 bgcolor=#d6d6d6| 521438 || || — || September 18, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.3 km || |-id=439 bgcolor=#d6d6d6| 521439 || || — || July 12, 2015 || Haleakala || Pan-STARRS || || align=right | 2.9 km || |-id=440 bgcolor=#E9E9E9| 521440 || || — || July 14, 2015 || Haleakala || Pan-STARRS || || align=right | 1.6 km || |-id=441 bgcolor=#d6d6d6| 521441 || || — || October 4, 1996 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=442 bgcolor=#E9E9E9| 521442 || || — || November 2, 2007 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=443 bgcolor=#fefefe| 521443 || || — || October 16, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.82" | 820 m || |-id=444 bgcolor=#E9E9E9| 521444 || || — || December 8, 2012 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.85" | 850 m || |-id=445 bgcolor=#E9E9E9| 521445 || || — || September 17, 2006 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=446 bgcolor=#fefefe| 521446 || || — || November 5, 2005 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.64" | 640 m || |-id=447 bgcolor=#fefefe| 521447 || || — || October 10, 2005 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.80" | 800 m || |-id=448 bgcolor=#E9E9E9| 521448 || || — || August 23, 2007 || Kitt Peak || Spacewatch || || align=right | 1.1 km || |-id=449 bgcolor=#fefefe| 521449 || || — || August 24, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.86" | 860 m || |-id=450 bgcolor=#fefefe| 521450 || || — || January 19, 1999 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.94" | 940 m || |-id=451 bgcolor=#fefefe| 521451 || || — || September 4, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.75" | 750 m || |-id=452 bgcolor=#d6d6d6| 521452 || || — || January 6, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.3 km || |-id=453 bgcolor=#fefefe| 521453 || || — || January 7, 2010 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.77" | 770 m || |-id=454 bgcolor=#fefefe| 521454 || || — || November 20, 2009 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.72" | 720 m || |-id=455 bgcolor=#fefefe| 521455 || || — || July 24, 2015 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.68" | 680 m || |-id=456 bgcolor=#E9E9E9| 521456 || || — || October 29, 2003 || Kitt Peak || Spacewatch || || align=right | 1.1 km || |-id=457 bgcolor=#E9E9E9| 521457 || || — || November 26, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=458 bgcolor=#d6d6d6| 521458 || || — || January 1, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.6 km || |-id=459 bgcolor=#E9E9E9| 521459 || || — || February 1, 2009 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=460 bgcolor=#d6d6d6| 521460 || || — || May 25, 2014 || Haleakala || Pan-STARRS || || align=right | 3.2 km || |-id=461 bgcolor=#fefefe| 521461 || || — || October 7, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.82" | 820 m || |-id=462 bgcolor=#d6d6d6| 521462 || || — || July 19, 2015 || Haleakala || Pan-STARRS || || align=right | 2.4 km || |-id=463 bgcolor=#E9E9E9| 521463 || || — || September 27, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=464 bgcolor=#d6d6d6| 521464 || || — || January 18, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=465 bgcolor=#E9E9E9| 521465 || || — || September 23, 2011 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=466 bgcolor=#E9E9E9| 521466 || || — || September 28, 2011 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=467 bgcolor=#d6d6d6| 521467 || || — || September 25, 2005 || Kitt Peak || Spacewatch || || align=right | 3.0 km || |-id=468 bgcolor=#d6d6d6| 521468 || || — || May 21, 2014 || Haleakala || Pan-STARRS || || align=right | 3.1 km || |-id=469 bgcolor=#d6d6d6| 521469 || || — || October 24, 2011 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=470 bgcolor=#d6d6d6| 521470 || || — || July 19, 2015 || Haleakala || Pan-STARRS || || align=right | 3.0 km || |-id=471 bgcolor=#d6d6d6| 521471 || || — || October 17, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=472 bgcolor=#E9E9E9| 521472 || || — || May 7, 2014 || Haleakala || Pan-STARRS || || align=right | 2.2 km || |-id=473 bgcolor=#d6d6d6| 521473 || || — || August 10, 2010 || WISE || WISE || || align=right | 4.3 km || |-id=474 bgcolor=#E9E9E9| 521474 || || — || May 5, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.89" | 890 m || |-id=475 bgcolor=#d6d6d6| 521475 || || — || March 24, 2003 || Kitt Peak || Spacewatch || || align=right | 3.1 km || |-id=476 bgcolor=#d6d6d6| 521476 || || — || March 11, 2013 || Catalina || CSS || || align=right | 3.4 km || |-id=477 bgcolor=#E9E9E9| 521477 || || — || April 29, 2014 || Haleakala || Pan-STARRS || || align=right | 1.6 km || |-id=478 bgcolor=#d6d6d6| 521478 || || — || March 27, 2008 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=479 bgcolor=#d6d6d6| 521479 || || — || October 1, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=480 bgcolor=#d6d6d6| 521480 || || — || August 22, 2004 || Kitt Peak || Spacewatch || || align=right | 3.2 km || |-id=481 bgcolor=#d6d6d6| 521481 || || — || June 15, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.1 km || |-id=482 bgcolor=#E9E9E9| 521482 || || — || August 10, 2007 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.94" | 940 m || |-id=483 bgcolor=#d6d6d6| 521483 || || — || September 18, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=484 bgcolor=#E9E9E9| 521484 || || — || April 30, 2014 || Haleakala || Pan-STARRS || || align=right | 1.8 km || |-id=485 bgcolor=#d6d6d6| 521485 || || — || September 1, 2005 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=486 bgcolor=#d6d6d6| 521486 || || — || January 27, 2007 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=487 bgcolor=#d6d6d6| 521487 || || — || February 7, 2013 || Kitt Peak || Spacewatch || || align=right | 3.5 km || |-id=488 bgcolor=#E9E9E9| 521488 || || — || April 9, 2010 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=489 bgcolor=#E9E9E9| 521489 || || — || November 8, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.7 km || |-id=490 bgcolor=#d6d6d6| 521490 || || — || January 6, 2006 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=491 bgcolor=#E9E9E9| 521491 || || — || March 3, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=492 bgcolor=#d6d6d6| 521492 || || — || February 15, 2013 || Haleakala || Pan-STARRS || || align=right | 2.6 km || |-id=493 bgcolor=#fefefe| 521493 || || — || March 8, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.86" | 860 m || |-id=494 bgcolor=#d6d6d6| 521494 || || — || October 19, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=495 bgcolor=#d6d6d6| 521495 || || — || February 28, 2008 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=496 bgcolor=#d6d6d6| 521496 || || — || June 29, 2005 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=497 bgcolor=#E9E9E9| 521497 || || — || January 16, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=498 bgcolor=#fefefe| 521498 || || — || January 26, 2006 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.82" | 820 m || |-id=499 bgcolor=#E9E9E9| 521499 || || — || April 24, 2014 || Haleakala || Pan-STARRS || || align=right | 1.3 km || |-id=500 bgcolor=#E9E9E9| 521500 || || — || March 3, 2009 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |}

521501–521600

|-bgcolor=#E9E9E9| 521501 || || — || February 8, 2013 || Haleakala || Pan-STARRS || || align=right | 1.3 km || |-id=502 bgcolor=#d6d6d6| 521502 || || — || January 17, 2007 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=503 bgcolor=#E9E9E9| 521503 || || — || October 20, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=504 bgcolor=#d6d6d6| 521504 || || — || November 13, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=505 bgcolor=#d6d6d6| 521505 || || — || August 31, 2005 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=506 bgcolor=#E9E9E9| 521506 || || — || September 26, 2006 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=507 bgcolor=#E9E9E9| 521507 || || — || November 6, 2007 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=508 bgcolor=#fefefe| 521508 || || — || February 26, 2014 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.70" | 700 m || |-id=509 bgcolor=#E9E9E9| 521509 || || — || February 1, 2009 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=510 bgcolor=#d6d6d6| 521510 || || — || November 19, 2006 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=511 bgcolor=#fefefe| 521511 || || — || February 26, 2014 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.71" | 710 m || |-id=512 bgcolor=#d6d6d6| 521512 || || — || November 6, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.6 km || |-id=513 bgcolor=#d6d6d6| 521513 || || — || January 25, 2007 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=514 bgcolor=#d6d6d6| 521514 || || — || March 11, 2007 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=515 bgcolor=#d6d6d6| 521515 || || — || November 6, 2010 || Mount Lemmon || Mount Lemmon Survey || 7:4 || align=right | 3.6 km || |-id=516 bgcolor=#E9E9E9| 521516 || || — || October 6, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=517 bgcolor=#fefefe| 521517 || || — || November 13, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.77" | 770 m || |-id=518 bgcolor=#d6d6d6| 521518 || || — || July 24, 2015 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=519 bgcolor=#E9E9E9| 521519 || || — || April 8, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=520 bgcolor=#E9E9E9| 521520 || || — || August 28, 2006 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=521 bgcolor=#E9E9E9| 521521 || || — || December 6, 2007 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=522 bgcolor=#d6d6d6| 521522 || || — || May 23, 2014 || Haleakala || Pan-STARRS || || align=right | 2.2 km || |-id=523 bgcolor=#d6d6d6| 521523 || || — || October 31, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=524 bgcolor=#E9E9E9| 521524 || || — || July 24, 2015 || Haleakala || Pan-STARRS || || align=right | 2.1 km || |-id=525 bgcolor=#d6d6d6| 521525 || || — || March 13, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=526 bgcolor=#fefefe| 521526 || || — || November 7, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.86" | 860 m || |-id=527 bgcolor=#d6d6d6| 521527 || || — || June 27, 2014 || Haleakala || Pan-STARRS || || align=right | 2.6 km || |-id=528 bgcolor=#d6d6d6| 521528 || || — || April 5, 2014 || Haleakala || Pan-STARRS || || align=right | 1.7 km || |-id=529 bgcolor=#d6d6d6| 521529 || || — || December 12, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=530 bgcolor=#d6d6d6| 521530 || || — || December 3, 2005 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=531 bgcolor=#d6d6d6| 521531 || || — || August 6, 2010 || WISE || WISE || || align=right | 2.7 km || |-id=532 bgcolor=#d6d6d6| 521532 || || — || September 11, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=533 bgcolor=#E9E9E9| 521533 || || — || October 27, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=534 bgcolor=#E9E9E9| 521534 || || — || February 3, 2013 || Haleakala || Pan-STARRS || || align=right | 1.7 km || |-id=535 bgcolor=#d6d6d6| 521535 || || — || September 29, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.4 km || |-id=536 bgcolor=#E9E9E9| 521536 || || — || April 5, 2014 || Haleakala || Pan-STARRS || || align=right | 1.4 km || |-id=537 bgcolor=#d6d6d6| 521537 || || — || November 4, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.6 km || |-id=538 bgcolor=#d6d6d6| 521538 || || — || February 13, 2008 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=539 bgcolor=#d6d6d6| 521539 || || — || April 29, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=540 bgcolor=#d6d6d6| 521540 || || — || November 13, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=541 bgcolor=#d6d6d6| 521541 || || — || November 2, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=542 bgcolor=#E9E9E9| 521542 || || — || December 21, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=543 bgcolor=#d6d6d6| 521543 || || — || March 4, 2013 || Haleakala || Pan-STARRS || || align=right | 3.2 km || |-id=544 bgcolor=#d6d6d6| 521544 || || — || July 17, 2010 || WISE || WISE || || align=right | 2.8 km || |-id=545 bgcolor=#d6d6d6| 521545 || || — || December 29, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=546 bgcolor=#d6d6d6| 521546 || || — || November 14, 2010 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=547 bgcolor=#d6d6d6| 521547 || || — || January 28, 2007 || Kitt Peak || Spacewatch || || align=right | 3.0 km || |-id=548 bgcolor=#E9E9E9| 521548 || || — || December 31, 2007 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=549 bgcolor=#E9E9E9| 521549 || || — || July 25, 2015 || Haleakala || Pan-STARRS || || align=right | 1.7 km || |-id=550 bgcolor=#d6d6d6| 521550 || || — || December 10, 2005 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=551 bgcolor=#d6d6d6| 521551 || || — || November 30, 2005 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=552 bgcolor=#E9E9E9| 521552 || || — || December 1, 2011 || Haleakala || Pan-STARRS || || align=right | 1.6 km || |-id=553 bgcolor=#d6d6d6| 521553 || || — || January 19, 2012 || Haleakala || Pan-STARRS || || align=right | 2.7 km || |-id=554 bgcolor=#d6d6d6| 521554 || || — || August 22, 2004 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=555 bgcolor=#E9E9E9| 521555 || || — || November 30, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=556 bgcolor=#E9E9E9| 521556 || || — || September 24, 2011 || Haleakala || Pan-STARRS || || align=right | 2.0 km || |-id=557 bgcolor=#d6d6d6| 521557 || || — || January 29, 2007 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=558 bgcolor=#d6d6d6| 521558 || || — || April 30, 2014 || Haleakala || Pan-STARRS || || align=right | 2.6 km || |-id=559 bgcolor=#d6d6d6| 521559 || || — || July 20, 2004 || Siding Spring || SSS || || align=right | 2.7 km || |-id=560 bgcolor=#d6d6d6| 521560 || || — || October 9, 2004 || Kitt Peak || Spacewatch || || align=right | 3.6 km || |-id=561 bgcolor=#d6d6d6| 521561 || || — || November 22, 2006 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=562 bgcolor=#d6d6d6| 521562 || || — || October 24, 2011 || Haleakala || Pan-STARRS || || align=right | 3.1 km || |-id=563 bgcolor=#d6d6d6| 521563 || || — || April 11, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.6 km || |-id=564 bgcolor=#E9E9E9| 521564 || || — || March 5, 2006 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.98" | 980 m || |-id=565 bgcolor=#d6d6d6| 521565 || || — || March 11, 2008 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=566 bgcolor=#d6d6d6| 521566 || || — || February 8, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.0 km || |-id=567 bgcolor=#d6d6d6| 521567 || || — || December 28, 2011 || Kitt Peak || Spacewatch || || align=right | 3.3 km || |-id=568 bgcolor=#d6d6d6| 521568 || || — || July 28, 2015 || Haleakala || Pan-STARRS || || align=right | 3.1 km || |-id=569 bgcolor=#d6d6d6| 521569 || || — || March 31, 2008 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=570 bgcolor=#E9E9E9| 521570 || || — || November 12, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=571 bgcolor=#d6d6d6| 521571 || || — || November 5, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.6 km || |-id=572 bgcolor=#fefefe| 521572 || || — || June 11, 2005 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.54" | 540 m || |-id=573 bgcolor=#fefefe| 521573 || || — || September 19, 2001 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.71" | 710 m || |-id=574 bgcolor=#fefefe| 521574 || || — || January 31, 2006 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.79" | 790 m || |-id=575 bgcolor=#fefefe| 521575 || || — || July 29, 2008 || La Sagra || OAM Obs. || || align=right data-sort-value="0.62" | 620 m || |-id=576 bgcolor=#fefefe| 521576 || || — || March 11, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.83" | 830 m || |-id=577 bgcolor=#E9E9E9| 521577 || || — || January 13, 2005 || Kitt Peak || Spacewatch || || align=right | 1.0 km || |-id=578 bgcolor=#E9E9E9| 521578 || || — || April 1, 2005 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=579 bgcolor=#E9E9E9| 521579 || || — || October 3, 2003 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=580 bgcolor=#fefefe| 521580 || || — || May 29, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=581 bgcolor=#d6d6d6| 521581 || || — || March 19, 2009 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=582 bgcolor=#fefefe| 521582 || || — || May 26, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.0 km || |-id=583 bgcolor=#fefefe| 521583 || || — || December 7, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.1 km || |-id=584 bgcolor=#fefefe| 521584 || || — || December 3, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.94" | 940 m || |-id=585 bgcolor=#fefefe| 521585 || || — || October 21, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.87" | 870 m || |-id=586 bgcolor=#fefefe| 521586 || || — || January 6, 2013 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=587 bgcolor=#E9E9E9| 521587 || || — || August 4, 2011 || Haleakala || Pan-STARRS || || align=right | 1.1 km || |-id=588 bgcolor=#E9E9E9| 521588 || || — || October 1, 2003 || Anderson Mesa || LONEOS || || align=right data-sort-value="0.96" | 960 m || |-id=589 bgcolor=#E9E9E9| 521589 || || — || October 10, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=590 bgcolor=#d6d6d6| 521590 || || — || August 12, 2015 || Haleakala || Pan-STARRS || || align=right | 2.6 km || |-id=591 bgcolor=#E9E9E9| 521591 || || — || November 18, 2003 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=592 bgcolor=#d6d6d6| 521592 || || — || December 12, 2006 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=593 bgcolor=#fefefe| 521593 || || — || January 11, 2010 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.94" | 940 m || |-id=594 bgcolor=#d6d6d6| 521594 || || — || October 22, 2005 || Kitt Peak || Spacewatch || || align=right | 3.0 km || |-id=595 bgcolor=#d6d6d6| 521595 || || — || October 11, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.0 km || |-id=596 bgcolor=#E9E9E9| 521596 || || — || August 10, 2007 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.96" | 960 m || |-id=597 bgcolor=#E9E9E9| 521597 || || — || October 22, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=598 bgcolor=#d6d6d6| 521598 || || — || December 25, 2006 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=599 bgcolor=#d6d6d6| 521599 || || — || August 9, 2015 || Haleakala || Pan-STARRS || || align=right | 3.1 km || |-id=600 bgcolor=#d6d6d6| 521600 || || — || December 27, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |}

521601–521700

|-bgcolor=#d6d6d6| 521601 || || — || March 30, 2008 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=602 bgcolor=#d6d6d6| 521602 || || — || April 14, 2008 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=603 bgcolor=#d6d6d6| 521603 || || — || November 12, 2005 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=604 bgcolor=#d6d6d6| 521604 || || — || September 11, 2004 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=605 bgcolor=#d6d6d6| 521605 || || — || January 21, 2012 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=606 bgcolor=#d6d6d6| 521606 || || — || September 18, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=607 bgcolor=#fefefe| 521607 || || — || November 7, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.86" | 860 m || |-id=608 bgcolor=#E9E9E9| 521608 || || — || August 24, 2011 || Haleakala || Pan-STARRS || || align=right | 1.8 km || |-id=609 bgcolor=#d6d6d6| 521609 || || — || October 24, 2011 || Haleakala || Pan-STARRS || || align=right | 2.9 km || |-id=610 bgcolor=#d6d6d6| 521610 || || — || December 16, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.6 km || |-id=611 bgcolor=#d6d6d6| 521611 || || — || February 21, 2007 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=612 bgcolor=#d6d6d6| 521612 || || — || February 19, 2012 || Kitt Peak || Spacewatch || || align=right | 3.3 km || |-id=613 bgcolor=#d6d6d6| 521613 || || — || April 5, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=614 bgcolor=#E9E9E9| 521614 || || — || October 22, 2006 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=615 bgcolor=#E9E9E9| 521615 || || — || November 20, 2007 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.77" | 770 m || |-id=616 bgcolor=#E9E9E9| 521616 || || — || May 7, 2014 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=617 bgcolor=#d6d6d6| 521617 || || — || February 28, 2008 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=618 bgcolor=#fefefe| 521618 || || — || August 22, 2011 || La Sagra || OAM Obs. || || align=right data-sort-value="0.85" | 850 m || |-id=619 bgcolor=#d6d6d6| 521619 || || — || August 12, 2015 || Haleakala || Pan-STARRS || || align=right | 2.7 km || |-id=620 bgcolor=#d6d6d6| 521620 || || — || August 8, 2010 || WISE || WISE || || align=right | 3.7 km || |-id=621 bgcolor=#E9E9E9| 521621 || || — || August 12, 2015 || Haleakala || Pan-STARRS || || align=right | 1.6 km || |-id=622 bgcolor=#d6d6d6| 521622 || || — || August 13, 2015 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=623 bgcolor=#d6d6d6| 521623 || || — || January 26, 2007 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=624 bgcolor=#d6d6d6| 521624 || || — || December 13, 2006 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=625 bgcolor=#E9E9E9| 521625 || || — || October 24, 2011 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=626 bgcolor=#E9E9E9| 521626 || || — || October 25, 2011 || Haleakala || Pan-STARRS || || align=right | 1.6 km || |-id=627 bgcolor=#d6d6d6| 521627 || || — || April 30, 2014 || Haleakala || Pan-STARRS || || align=right | 2.0 km || |-id=628 bgcolor=#d6d6d6| 521628 || || — || August 14, 2015 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=629 bgcolor=#d6d6d6| 521629 || || — || February 11, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=630 bgcolor=#d6d6d6| 521630 || || — || January 27, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=631 bgcolor=#fefefe| 521631 || || — || November 7, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.71" | 710 m || |-id=632 bgcolor=#d6d6d6| 521632 || || — || March 9, 2007 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=633 bgcolor=#fefefe| 521633 || || — || January 5, 2006 || Kitt Peak || Spacewatch || || align=right | 1.0 km || |-id=634 bgcolor=#d6d6d6| 521634 || || — || February 23, 2007 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=635 bgcolor=#d6d6d6| 521635 || || — || February 20, 2002 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=636 bgcolor=#d6d6d6| 521636 || || — || May 13, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=637 bgcolor=#E9E9E9| 521637 || || — || October 20, 2006 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=638 bgcolor=#E9E9E9| 521638 || || — || May 9, 2014 || Haleakala || Pan-STARRS || || align=right | 1.2 km || |-id=639 bgcolor=#d6d6d6| 521639 || || — || January 27, 2007 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=640 bgcolor=#E9E9E9| 521640 || || — || September 19, 2006 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=641 bgcolor=#d6d6d6| 521641 || || — || October 12, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.6 km || |-id=642 bgcolor=#d6d6d6| 521642 || || — || March 13, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=643 bgcolor=#d6d6d6| 521643 || || — || March 2, 2008 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=644 bgcolor=#d6d6d6| 521644 || || — || August 30, 2005 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=645 bgcolor=#d6d6d6| 521645 || || — || January 19, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=646 bgcolor=#d6d6d6| 521646 || || — || January 19, 2012 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=647 bgcolor=#d6d6d6| 521647 || || — || April 4, 2008 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=648 bgcolor=#d6d6d6| 521648 || || — || January 21, 2012 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=649 bgcolor=#d6d6d6| 521649 || || — || April 10, 2013 || Haleakala || Pan-STARRS || || align=right | 3.7 km || |-id=650 bgcolor=#E9E9E9| 521650 || || — || September 19, 2006 || Catalina || CSS || || align=right | 2.2 km || |-id=651 bgcolor=#E9E9E9| 521651 || || — || May 10, 2014 || Haleakala || Pan-STARRS || || align=right | 1.4 km || |-id=652 bgcolor=#d6d6d6| 521652 || || — || June 27, 2014 || Haleakala || Pan-STARRS || || align=right | 2.7 km || |-id=653 bgcolor=#E9E9E9| 521653 || || — || March 25, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.0 km || |-id=654 bgcolor=#E9E9E9| 521654 || || — || October 19, 2011 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=655 bgcolor=#E9E9E9| 521655 || || — || May 1, 2009 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=656 bgcolor=#d6d6d6| 521656 || || — || November 1, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=657 bgcolor=#fefefe| 521657 || || — || July 26, 2011 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.80" | 800 m || |-id=658 bgcolor=#fefefe| 521658 || || — || March 16, 2010 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.72" | 720 m || |-id=659 bgcolor=#fefefe| 521659 || || — || August 4, 2011 || La Sagra || OAM Obs. || || align=right | 1.1 km || |-id=660 bgcolor=#fefefe| 521660 || || — || February 3, 2013 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.95" | 950 m || |-id=661 bgcolor=#fefefe| 521661 || || — || July 28, 2011 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.80" | 800 m || |-id=662 bgcolor=#fefefe| 521662 || || — || November 6, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.81" | 810 m || |-id=663 bgcolor=#fefefe| 521663 || || — || August 1, 2011 || Haleakala || Pan-STARRS || || align=right | 1.0 km || |-id=664 bgcolor=#fefefe| 521664 || || — || April 20, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.1 km || |-id=665 bgcolor=#fefefe| 521665 || || — || October 24, 2008 || Catalina || CSS || || align=right data-sort-value="0.84" | 840 m || |-id=666 bgcolor=#E9E9E9| 521666 || || — || May 7, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.1 km || |-id=667 bgcolor=#fefefe| 521667 || || — || April 29, 2014 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.76" | 760 m || |-id=668 bgcolor=#E9E9E9| 521668 || || — || August 12, 2015 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=669 bgcolor=#fefefe| 521669 || || — || September 23, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.76" | 760 m || |-id=670 bgcolor=#fefefe| 521670 || || — || September 17, 2004 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.68" | 680 m || |-id=671 bgcolor=#E9E9E9| 521671 || || — || February 7, 2008 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=672 bgcolor=#d6d6d6| 521672 || || — || June 8, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.4 km || |-id=673 bgcolor=#d6d6d6| 521673 || || — || August 15, 2014 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=674 bgcolor=#E9E9E9| 521674 || || — || October 23, 2011 || Haleakala || Pan-STARRS || || align=right | 1.0 km || |-id=675 bgcolor=#E9E9E9| 521675 || || — || May 14, 2005 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=676 bgcolor=#fefefe| 521676 || || — || February 17, 2010 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.81" | 810 m || |-id=677 bgcolor=#d6d6d6| 521677 || || — || March 15, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.4 km || |-id=678 bgcolor=#E9E9E9| 521678 || || — || September 9, 2015 || Haleakala || Pan-STARRS || || align=right | 1.3 km || |-id=679 bgcolor=#E9E9E9| 521679 || || — || March 26, 2009 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=680 bgcolor=#E9E9E9| 521680 || || — || December 28, 2002 || Kitt Peak || Spacewatch || || align=right | 3.3 km || |-id=681 bgcolor=#E9E9E9| 521681 || || — || September 15, 2006 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=682 bgcolor=#E9E9E9| 521682 || || — || August 28, 2006 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=683 bgcolor=#d6d6d6| 521683 || || — || August 27, 2009 || Kitt Peak || Spacewatch || || align=right | 3.6 km || |-id=684 bgcolor=#d6d6d6| 521684 || || — || February 5, 2013 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=685 bgcolor=#E9E9E9| 521685 || || — || February 24, 2009 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=686 bgcolor=#E9E9E9| 521686 || || — || September 4, 2011 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.74" | 740 m || |-id=687 bgcolor=#d6d6d6| 521687 || || — || February 17, 2001 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=688 bgcolor=#E9E9E9| 521688 || || — || September 18, 2006 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=689 bgcolor=#E9E9E9| 521689 || || — || February 7, 2013 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=690 bgcolor=#d6d6d6| 521690 || || — || March 9, 2007 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=691 bgcolor=#d6d6d6| 521691 || || — || April 14, 2008 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=692 bgcolor=#d6d6d6| 521692 || || — || September 18, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=693 bgcolor=#d6d6d6| 521693 || || — || February 15, 2013 || Haleakala || Pan-STARRS || || align=right | 2.6 km || |-id=694 bgcolor=#E9E9E9| 521694 || || — || January 14, 2008 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=695 bgcolor=#E9E9E9| 521695 || || — || September 15, 2007 || Kitt Peak || Spacewatch || || align=right | 1.0 km || |-id=696 bgcolor=#d6d6d6| 521696 || || — || March 14, 2007 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=697 bgcolor=#d6d6d6| 521697 || || — || August 27, 2009 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=698 bgcolor=#d6d6d6| 521698 || || — || May 3, 2008 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=699 bgcolor=#d6d6d6| 521699 || || — || March 31, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.0 km || |-id=700 bgcolor=#d6d6d6| 521700 || || — || April 3, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |}

521701–521800

|-bgcolor=#E9E9E9| 521701 || || — || April 24, 2014 || Haleakala || Pan-STARRS || || align=right | 1.8 km || |-id=702 bgcolor=#d6d6d6| 521702 || || — || April 14, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.1 km || |-id=703 bgcolor=#E9E9E9| 521703 || || — || September 27, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=704 bgcolor=#d6d6d6| 521704 || || — || June 29, 2010 || WISE || WISE || || align=right | 2.4 km || |-id=705 bgcolor=#E9E9E9| 521705 || || — || February 28, 2009 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=706 bgcolor=#E9E9E9| 521706 || || — || January 10, 2013 || Haleakala || Pan-STARRS || || align=right | 1.7 km || |-id=707 bgcolor=#d6d6d6| 521707 || || — || February 17, 2013 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=708 bgcolor=#E9E9E9| 521708 || || — || April 1, 2014 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.90" | 900 m || |-id=709 bgcolor=#d6d6d6| 521709 || || — || September 14, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.6 km || |-id=710 bgcolor=#d6d6d6| 521710 || || — || August 31, 2005 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=711 bgcolor=#d6d6d6| 521711 || || — || November 13, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.3 km || |-id=712 bgcolor=#E9E9E9| 521712 || || — || October 2, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=713 bgcolor=#E9E9E9| 521713 || || — || September 30, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.7 km || |-id=714 bgcolor=#d6d6d6| 521714 || || — || July 25, 2014 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=715 bgcolor=#E9E9E9| 521715 || || — || July 25, 2014 || Haleakala || Pan-STARRS || || align=right | 1.0 km || |-id=716 bgcolor=#d6d6d6| 521716 || || — || June 8, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=717 bgcolor=#d6d6d6| 521717 || || — || November 12, 2005 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=718 bgcolor=#E9E9E9| 521718 || || — || March 18, 2009 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=719 bgcolor=#E9E9E9| 521719 || || — || September 30, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.7 km || |-id=720 bgcolor=#d6d6d6| 521720 || || — || April 7, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=721 bgcolor=#E9E9E9| 521721 || || — || November 19, 2007 || Kitt Peak || Spacewatch || || align=right | 1.1 km || |-id=722 bgcolor=#d6d6d6| 521722 || || — || January 26, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=723 bgcolor=#E9E9E9| 521723 || || — || June 25, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=724 bgcolor=#E9E9E9| 521724 || || — || October 28, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.6 km || |-id=725 bgcolor=#E9E9E9| 521725 || || — || August 29, 2006 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=726 bgcolor=#d6d6d6| 521726 || || — || September 24, 2000 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=727 bgcolor=#E9E9E9| 521727 || || — || October 2, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=728 bgcolor=#d6d6d6| 521728 || || — || December 7, 2005 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=729 bgcolor=#d6d6d6| 521729 || || — || February 4, 2012 || Haleakala || Pan-STARRS || || align=right | 2.8 km || |-id=730 bgcolor=#E9E9E9| 521730 || || — || April 2, 2005 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.86" | 860 m || |-id=731 bgcolor=#d6d6d6| 521731 || || — || March 8, 2013 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=732 bgcolor=#E9E9E9| 521732 || || — || September 17, 2006 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=733 bgcolor=#d6d6d6| 521733 || || — || February 24, 2012 || Mount Lemmon || Mount Lemmon Survey || 7:4 || align=right | 2.6 km || |-id=734 bgcolor=#E9E9E9| 521734 || || — || September 19, 2006 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=735 bgcolor=#d6d6d6| 521735 || || — || October 11, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=736 bgcolor=#E9E9E9| 521736 || || — || February 28, 2009 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=737 bgcolor=#d6d6d6| 521737 || || — || October 17, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=738 bgcolor=#d6d6d6| 521738 || || — || April 9, 2013 || Haleakala || Pan-STARRS || || align=right | 2.1 km || |-id=739 bgcolor=#d6d6d6| 521739 || || — || September 2, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=740 bgcolor=#d6d6d6| 521740 || || — || January 19, 2012 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=741 bgcolor=#d6d6d6| 521741 || || — || March 19, 2013 || Haleakala || Pan-STARRS || || align=right | 2.4 km || |-id=742 bgcolor=#d6d6d6| 521742 || || — || December 13, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=743 bgcolor=#E9E9E9| 521743 || || — || October 2, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=744 bgcolor=#E9E9E9| 521744 || || — || August 27, 2006 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=745 bgcolor=#d6d6d6| 521745 || || — || January 19, 2012 || Haleakala || Pan-STARRS || || align=right | 2.1 km || |-id=746 bgcolor=#d6d6d6| 521746 || || — || October 3, 2005 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=747 bgcolor=#d6d6d6| 521747 || || — || September 12, 2015 || Haleakala || Pan-STARRS || || align=right | 3.1 km || |-id=748 bgcolor=#d6d6d6| 521748 || || — || September 16, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.0 km || |-id=749 bgcolor=#d6d6d6| 521749 || || — || April 13, 2013 || Haleakala || Pan-STARRS || || align=right | 2.7 km || |-id=750 bgcolor=#d6d6d6| 521750 || || — || November 11, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=751 bgcolor=#d6d6d6| 521751 || || — || October 28, 2005 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=752 bgcolor=#d6d6d6| 521752 || || — || December 30, 2005 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=753 bgcolor=#d6d6d6| 521753 || || — || September 12, 2005 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=754 bgcolor=#d6d6d6| 521754 || || — || November 13, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=755 bgcolor=#d6d6d6| 521755 || || — || October 26, 2005 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=756 bgcolor=#d6d6d6| 521756 || || — || April 9, 2013 || Haleakala || Pan-STARRS || || align=right | 2.9 km || |-id=757 bgcolor=#E9E9E9| 521757 || || — || March 12, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.7 km || |-id=758 bgcolor=#d6d6d6| 521758 || || — || October 17, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=759 bgcolor=#d6d6d6| 521759 || || — || December 6, 2005 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=760 bgcolor=#d6d6d6| 521760 || || — || March 10, 2008 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=761 bgcolor=#d6d6d6| 521761 || || — || January 19, 2012 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=762 bgcolor=#fefefe| 521762 || || — || April 25, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.67" | 670 m || |-id=763 bgcolor=#E9E9E9| 521763 || || — || October 26, 2011 || Haleakala || Pan-STARRS || || align=right | 1.6 km || |-id=764 bgcolor=#d6d6d6| 521764 || || — || July 8, 2014 || Haleakala || Pan-STARRS || || align=right | 2.8 km || |-id=765 bgcolor=#d6d6d6| 521765 || || — || June 27, 2014 || Haleakala || Pan-STARRS || || align=right | 2.1 km || |-id=766 bgcolor=#d6d6d6| 521766 || || — || August 27, 2009 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=767 bgcolor=#E9E9E9| 521767 || || — || June 18, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.6 km || |-id=768 bgcolor=#fefefe| 521768 || || — || April 22, 2004 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.71" | 710 m || |-id=769 bgcolor=#fefefe| 521769 || || — || April 21, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.99" | 990 m || |-id=770 bgcolor=#E9E9E9| 521770 || || — || December 5, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.90" | 900 m || |-id=771 bgcolor=#E9E9E9| 521771 || || — || November 7, 2007 || Catalina || CSS || || align=right | 1.2 km || |-id=772 bgcolor=#d6d6d6| 521772 || || — || March 13, 2013 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=773 bgcolor=#E9E9E9| 521773 || || — || March 19, 2009 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=774 bgcolor=#d6d6d6| 521774 || || — || October 11, 2010 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=775 bgcolor=#d6d6d6| 521775 || || — || February 23, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=776 bgcolor=#d6d6d6| 521776 || || — || March 12, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=777 bgcolor=#d6d6d6| 521777 || || — || November 8, 2010 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=778 bgcolor=#E9E9E9| 521778 || || — || April 5, 2014 || Haleakala || Pan-STARRS || || align=right | 1.1 km || |-id=779 bgcolor=#d6d6d6| 521779 || || — || February 28, 2012 || Haleakala || Pan-STARRS || || align=right | 2.4 km || |-id=780 bgcolor=#d6d6d6| 521780 || || — || April 3, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=781 bgcolor=#d6d6d6| 521781 || || — || October 12, 2010 || Catalina || CSS || || align=right | 2.4 km || |-id=782 bgcolor=#E9E9E9| 521782 || || — || November 18, 2011 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=783 bgcolor=#E9E9E9| 521783 || || — || November 14, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=784 bgcolor=#d6d6d6| 521784 || || — || April 3, 2008 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=785 bgcolor=#d6d6d6| 521785 || || — || June 4, 2014 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=786 bgcolor=#d6d6d6| 521786 || || — || December 5, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=787 bgcolor=#d6d6d6| 521787 || || — || March 1, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.4 km || |-id=788 bgcolor=#d6d6d6| 521788 || || — || April 6, 2008 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=789 bgcolor=#E9E9E9| 521789 || || — || November 15, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=790 bgcolor=#d6d6d6| 521790 || || — || November 3, 2010 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=791 bgcolor=#d6d6d6| 521791 || || — || December 10, 2005 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=792 bgcolor=#d6d6d6| 521792 || || — || May 7, 2014 || Haleakala || Pan-STARRS || || align=right | 2.9 km || |-id=793 bgcolor=#d6d6d6| 521793 || || — || October 31, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.6 km || |-id=794 bgcolor=#E9E9E9| 521794 || || — || February 19, 2009 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=795 bgcolor=#d6d6d6| 521795 || || — || February 27, 2012 || Haleakala || Pan-STARRS || || align=right | 3.1 km || |-id=796 bgcolor=#fefefe| 521796 || || — || February 4, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.75" | 750 m || |-id=797 bgcolor=#fefefe| 521797 || || — || April 3, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.57" | 570 m || |-id=798 bgcolor=#E9E9E9| 521798 || || — || May 3, 2014 || Kitt Peak || Spacewatch || || align=right | 1.0 km || |-id=799 bgcolor=#E9E9E9| 521799 || || — || April 13, 2010 || WISE || WISE || || align=right | 1.8 km || |-id=800 bgcolor=#d6d6d6| 521800 || || — || December 10, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |}

521801–521900

|-bgcolor=#d6d6d6| 521801 || || — || September 28, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=802 bgcolor=#E9E9E9| 521802 || || — || October 2, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.4 km || |-id=803 bgcolor=#d6d6d6| 521803 || || — || January 30, 2011 || Kitt Peak || Spacewatch || || align=right | 3.1 km || |-id=804 bgcolor=#d6d6d6| 521804 || || — || October 8, 2015 || Haleakala || Pan-STARRS || TEL || align=right | 1.0 km || |-id=805 bgcolor=#d6d6d6| 521805 || || — || May 12, 2013 || Haleakala || Pan-STARRS || TEL || align=right | 1.2 km || |-id=806 bgcolor=#d6d6d6| 521806 || || — || March 15, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=807 bgcolor=#E9E9E9| 521807 || || — || May 10, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.83" | 830 m || |-id=808 bgcolor=#d6d6d6| 521808 || || — || October 8, 2015 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=809 bgcolor=#d6d6d6| 521809 || || — || December 6, 2010 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=810 bgcolor=#d6d6d6| 521810 || || — || August 12, 2015 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=811 bgcolor=#fefefe| 521811 || || — || September 27, 2012 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.93" | 930 m || |-id=812 bgcolor=#fefefe| 521812 || || — || January 2, 2009 || Kitt Peak || Spacewatch || NYS || align=right data-sort-value="0.61" | 610 m || |-id=813 bgcolor=#E9E9E9| 521813 || || — || June 2, 2014 || Haleakala || Pan-STARRS || EUN || align=right data-sort-value="0.96" | 960 m || |-id=814 bgcolor=#E9E9E9| 521814 || || — || January 30, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.8 km || |-id=815 bgcolor=#fefefe| 521815 || || — || March 20, 2010 || Kitt Peak || Spacewatch || || align=right | 1.0 km || |-id=816 bgcolor=#fefefe| 521816 || || — || February 28, 2014 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.88" | 880 m || |-id=817 bgcolor=#fefefe| 521817 || || — || May 25, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.90" | 900 m || |-id=818 bgcolor=#d6d6d6| 521818 || || — || December 29, 2005 || Kitt Peak || Spacewatch || || align=right | 3.4 km || |-id=819 bgcolor=#d6d6d6| 521819 || || — || May 6, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.2 km || |-id=820 bgcolor=#d6d6d6| 521820 || || — || March 28, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=821 bgcolor=#d6d6d6| 521821 || || — || December 2, 2010 || Kitt Peak || Spacewatch || || align=right | 3.5 km || |-id=822 bgcolor=#d6d6d6| 521822 || || — || March 15, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=823 bgcolor=#E9E9E9| 521823 || || — || January 19, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=824 bgcolor=#E9E9E9| 521824 || || — || October 9, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.90" | 900 m || |-id=825 bgcolor=#E9E9E9| 521825 || || — || September 9, 2015 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.74" | 740 m || |-id=826 bgcolor=#d6d6d6| 521826 || || — || February 26, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=827 bgcolor=#E9E9E9| 521827 || || — || March 17, 2009 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=828 bgcolor=#d6d6d6| 521828 || || — || April 23, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=829 bgcolor=#E9E9E9| 521829 || || — || November 13, 2006 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=830 bgcolor=#d6d6d6| 521830 || || — || August 28, 2014 || Haleakala || Pan-STARRS || || align=right | 2.7 km || |-id=831 bgcolor=#E9E9E9| 521831 || || — || October 26, 2011 || Haleakala || Pan-STARRS || || align=right | 1.0 km || |-id=832 bgcolor=#d6d6d6| 521832 || || — || August 20, 2014 || Haleakala || Pan-STARRS || || align=right | 2.6 km || |-id=833 bgcolor=#E9E9E9| 521833 || || — || April 10, 2013 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=834 bgcolor=#E9E9E9| 521834 || || — || January 11, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=835 bgcolor=#E9E9E9| 521835 || || — || May 8, 2014 || Haleakala || Pan-STARRS || || align=right | 2.1 km || |-id=836 bgcolor=#d6d6d6| 521836 || || — || October 13, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.4 km || |-id=837 bgcolor=#d6d6d6| 521837 || || — || November 1, 2010 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=838 bgcolor=#d6d6d6| 521838 || || — || January 8, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=839 bgcolor=#E9E9E9| 521839 || || — || September 11, 2010 || La Sagra || OAM Obs. || || align=right | 2.0 km || |-id=840 bgcolor=#d6d6d6| 521840 || || — || November 14, 2010 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=841 bgcolor=#d6d6d6| 521841 || || — || April 19, 2007 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=842 bgcolor=#d6d6d6| 521842 || || — || September 23, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=843 bgcolor=#d6d6d6| 521843 || || — || February 23, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=844 bgcolor=#d6d6d6| 521844 || || — || December 5, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=845 bgcolor=#E9E9E9| 521845 || || — || April 15, 2013 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.82" | 820 m || |-id=846 bgcolor=#E9E9E9| 521846 || || — || September 26, 2006 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=847 bgcolor=#d6d6d6| 521847 || || — || January 23, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=848 bgcolor=#d6d6d6| 521848 || || — || January 14, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.6 km || |-id=849 bgcolor=#fefefe| 521849 || || — || February 8, 2013 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.71" | 710 m || |-id=850 bgcolor=#d6d6d6| 521850 || || — || July 4, 2014 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=851 bgcolor=#d6d6d6| 521851 || || — || August 3, 2014 || Haleakala || Pan-STARRS || || align=right | 3.4 km || |-id=852 bgcolor=#E9E9E9| 521852 || || — || March 10, 2008 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=853 bgcolor=#d6d6d6| 521853 || || — || February 5, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=854 bgcolor=#d6d6d6| 521854 || || — || October 8, 2015 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=855 bgcolor=#d6d6d6| 521855 || || — || August 26, 2014 || Haleakala || Pan-STARRS || || align=right | 2.9 km || |-id=856 bgcolor=#fefefe| 521856 || || — || January 30, 2006 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.59" | 590 m || |-id=857 bgcolor=#E9E9E9| 521857 || || — || February 3, 2013 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=858 bgcolor=#E9E9E9| 521858 || || — || April 10, 2013 || Haleakala || Pan-STARRS || || align=right | 1.6 km || |-id=859 bgcolor=#E9E9E9| 521859 || || — || January 30, 2008 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=860 bgcolor=#d6d6d6| 521860 || || — || December 2, 2010 || Kitt Peak || Spacewatch || || align=right | 3.1 km || |-id=861 bgcolor=#d6d6d6| 521861 || || — || September 24, 2009 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=862 bgcolor=#d6d6d6| 521862 || || — || August 4, 2014 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=863 bgcolor=#d6d6d6| 521863 || || — || March 31, 2012 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=864 bgcolor=#fefefe| 521864 || || — || March 19, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.75" | 750 m || |-id=865 bgcolor=#fefefe| 521865 || || — || October 8, 2004 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.94" | 940 m || |-id=866 bgcolor=#d6d6d6| 521866 || || — || April 22, 2007 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=867 bgcolor=#E9E9E9| 521867 || || — || October 23, 2011 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=868 bgcolor=#d6d6d6| 521868 || || — || January 30, 2006 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=869 bgcolor=#d6d6d6| 521869 || || — || August 28, 2005 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=870 bgcolor=#d6d6d6| 521870 || || — || October 7, 2004 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=871 bgcolor=#d6d6d6| 521871 || || — || August 27, 2009 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=872 bgcolor=#d6d6d6| 521872 || || — || September 15, 2009 || Kitt Peak || Spacewatch || || align=right | 3.4 km || |-id=873 bgcolor=#d6d6d6| 521873 || || — || November 30, 2005 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=874 bgcolor=#E9E9E9| 521874 || || — || November 10, 2006 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=875 bgcolor=#E9E9E9| 521875 || || — || October 19, 2011 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=876 bgcolor=#E9E9E9| 521876 || || — || September 15, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=877 bgcolor=#d6d6d6| 521877 || || — || December 1, 2010 || Kitt Peak || Spacewatch || || align=right | 3.2 km || |-id=878 bgcolor=#E9E9E9| 521878 || || — || August 28, 2006 || Kitt Peak || Spacewatch || || align=right | 1.1 km || |-id=879 bgcolor=#d6d6d6| 521879 || || — || October 10, 2015 || Haleakala || Pan-STARRS || || align=right | 2.4 km || |-id=880 bgcolor=#d6d6d6| 521880 || || — || October 15, 2004 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=881 bgcolor=#E9E9E9| 521881 || || — || October 25, 2011 || Haleakala || Pan-STARRS || || align=right | 1.1 km || |-id=882 bgcolor=#E9E9E9| 521882 || || — || April 26, 2009 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=883 bgcolor=#d6d6d6| 521883 || || — || November 1, 2010 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=884 bgcolor=#d6d6d6| 521884 || || — || May 8, 2013 || Haleakala || Pan-STARRS || || align=right | 2.3 km || |-id=885 bgcolor=#d6d6d6| 521885 || || — || April 6, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=886 bgcolor=#d6d6d6| 521886 || || — || June 7, 2013 || Haleakala || Pan-STARRS || || align=right | 2.7 km || |-id=887 bgcolor=#d6d6d6| 521887 || || — || April 15, 2013 || Haleakala || Pan-STARRS || || align=right | 2.9 km || |-id=888 bgcolor=#d6d6d6| 521888 || || — || September 30, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=889 bgcolor=#d6d6d6| 521889 || || — || October 16, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=890 bgcolor=#E9E9E9| 521890 || || — || October 22, 2006 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=891 bgcolor=#d6d6d6| 521891 || || — || April 14, 2008 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=892 bgcolor=#E9E9E9| 521892 || || — || July 26, 2014 || Haleakala || Pan-STARRS || || align=right | 2.1 km || |-id=893 bgcolor=#d6d6d6| 521893 || || — || October 9, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.5 km || |-id=894 bgcolor=#d6d6d6| 521894 || || — || October 30, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=895 bgcolor=#d6d6d6| 521895 || || — || January 19, 2012 || Haleakala || Pan-STARRS || || align=right | 2.6 km || |-id=896 bgcolor=#d6d6d6| 521896 || || — || April 8, 2008 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=897 bgcolor=#d6d6d6| 521897 || || — || November 2, 2010 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=898 bgcolor=#d6d6d6| 521898 || || — || March 3, 2006 || Catalina || CSS || || align=right | 3.3 km || |-id=899 bgcolor=#E9E9E9| 521899 || || — || January 27, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.4 km || |-id=900 bgcolor=#E9E9E9| 521900 || || — || May 11, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.82" | 820 m || |}

521901–522000

|-bgcolor=#E9E9E9| 521901 || || — || November 15, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.4 km || |-id=902 bgcolor=#d6d6d6| 521902 || || — || February 1, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=903 bgcolor=#d6d6d6| 521903 || || — || December 6, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.6 km || |-id=904 bgcolor=#E9E9E9| 521904 || || — || October 26, 2011 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.88" | 880 m || |-id=905 bgcolor=#d6d6d6| 521905 || || — || February 23, 2012 || Catalina || CSS || || align=right | 3.4 km || |-id=906 bgcolor=#d6d6d6| 521906 || || — || July 30, 2014 || Haleakala || Pan-STARRS || || align=right | 2.0 km || |-id=907 bgcolor=#E9E9E9| 521907 || || — || November 16, 2006 || Kitt Peak || Spacewatch || || align=right | 1.5 km || |-id=908 bgcolor=#d6d6d6| 521908 || || — || October 30, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=909 bgcolor=#d6d6d6| 521909 || || — || June 25, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.4 km || |-id=910 bgcolor=#d6d6d6| 521910 || || — || March 23, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=911 bgcolor=#E9E9E9| 521911 || || — || October 2, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.4 km || |-id=912 bgcolor=#fefefe| 521912 || || — || March 7, 2014 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.86" | 860 m || |-id=913 bgcolor=#fefefe| 521913 || || — || February 28, 2014 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.78" | 780 m || |-id=914 bgcolor=#E9E9E9| 521914 || || — || August 12, 2015 || Haleakala || Pan-STARRS || || align=right | 2.1 km || |-id=915 bgcolor=#E9E9E9| 521915 || || — || July 25, 2014 || Haleakala || Pan-STARRS || || align=right | 1.9 km || |-id=916 bgcolor=#d6d6d6| 521916 || || — || December 22, 2005 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=917 bgcolor=#fefefe| 521917 || || — || August 29, 2011 || La Sagra || OAM Obs. || || align=right data-sort-value="0.75" | 750 m || |-id=918 bgcolor=#d6d6d6| 521918 || || — || March 24, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=919 bgcolor=#d6d6d6| 521919 || || — || January 26, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=920 bgcolor=#fefefe| 521920 || || — || May 30, 2015 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.98" | 980 m || |-id=921 bgcolor=#E9E9E9| 521921 || || — || November 18, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.7 km || |-id=922 bgcolor=#fefefe| 521922 || || — || August 11, 2004 || Campo Imperatore || CINEOS || || align=right data-sort-value="0.82" | 820 m || |-id=923 bgcolor=#fefefe| 521923 || || — || November 20, 2004 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.90" | 900 m || |-id=924 bgcolor=#fefefe| 521924 || || — || March 2, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.98" | 980 m || |-id=925 bgcolor=#E9E9E9| 521925 || || — || September 15, 2006 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=926 bgcolor=#E9E9E9| 521926 || || — || October 3, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.4 km || |-id=927 bgcolor=#E9E9E9| 521927 || || — || July 1, 2014 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.82" | 820 m || |-id=928 bgcolor=#d6d6d6| 521928 || || — || September 12, 2009 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=929 bgcolor=#E9E9E9| 521929 || || — || October 26, 2011 || Haleakala || Pan-STARRS || || align=right | 1.3 km || |-id=930 bgcolor=#E9E9E9| 521930 || || — || September 28, 2006 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=931 bgcolor=#d6d6d6| 521931 || || — || May 12, 2007 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=932 bgcolor=#E9E9E9| 521932 || || — || June 24, 2014 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.1 km || |-id=933 bgcolor=#d6d6d6| 521933 || || — || September 13, 2007 || Mount Lemmon || Mount Lemmon Survey || 7:4 || align=right | 3.3 km || |-id=934 bgcolor=#d6d6d6| 521934 || || — || July 28, 2014 || Haleakala || Pan-STARRS || || align=right | 3.2 km || |-id=935 bgcolor=#E9E9E9| 521935 || || — || September 12, 2005 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=936 bgcolor=#d6d6d6| 521936 || || — || September 15, 2009 || Kitt Peak || Spacewatch || || align=right | 3.1 km || |-id=937 bgcolor=#FA8072| 521937 || || — || September 8, 2004 || Socorro || LINEAR || || align=right data-sort-value="0.90" | 900 m || |-id=938 bgcolor=#FA8072| 521938 || || — || August 8, 2004 || Socorro || LINEAR || || align=right data-sort-value="0.78" | 780 m || |-id=939 bgcolor=#E9E9E9| 521939 || || — || June 17, 2006 || Kitt Peak || Spacewatch || || align=right | 1.1 km || |-id=940 bgcolor=#d6d6d6| 521940 || || — || January 30, 2012 || Haleakala || Pan-STARRS || || align=right | 3.1 km || |-id=941 bgcolor=#d6d6d6| 521941 || || — || May 31, 2014 || Haleakala || Pan-STARRS || || align=right | 3.0 km || |-id=942 bgcolor=#fefefe| 521942 || || — || August 15, 2004 || Siding Spring || SSS || || align=right data-sort-value="0.90" | 900 m || |-id=943 bgcolor=#d6d6d6| 521943 || || — || December 5, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=944 bgcolor=#E9E9E9| 521944 || || — || June 4, 2014 || Haleakala || Pan-STARRS || || align=right | 1.2 km || |-id=945 bgcolor=#fefefe| 521945 || || — || August 22, 2011 || La Sagra || OAM Obs. || || align=right data-sort-value="0.98" | 980 m || |-id=946 bgcolor=#d6d6d6| 521946 || || — || November 5, 2010 || Kitt Peak || Spacewatch || || align=right | 3.3 km || |-id=947 bgcolor=#E9E9E9| 521947 || || — || May 8, 2005 || Kitt Peak || Spacewatch || EUN || align=right | 1.4 km || |-id=948 bgcolor=#d6d6d6| 521948 || || — || April 29, 2008 || Kitt Peak || Spacewatch || || align=right | 3.3 km || |-id=949 bgcolor=#E9E9E9| 521949 || || — || December 4, 2007 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=950 bgcolor=#E9E9E9| 521950 || || — || November 7, 2007 || Catalina || CSS || || align=right | 1.5 km || |-id=951 bgcolor=#E9E9E9| 521951 || || — || November 18, 2011 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=952 bgcolor=#d6d6d6| 521952 || || — || June 3, 2014 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=953 bgcolor=#d6d6d6| 521953 || || — || October 10, 2015 || Haleakala || Pan-STARRS || || align=right | 2.8 km || |-id=954 bgcolor=#E9E9E9| 521954 || || — || April 30, 2014 || Haleakala || Pan-STARRS || EUN || align=right data-sort-value="0.97" | 970 m || |-id=955 bgcolor=#E9E9E9| 521955 || || — || October 21, 2015 || Haleakala || Pan-STARRS || EUN || align=right | 1.0 km || |-id=956 bgcolor=#d6d6d6| 521956 || || — || April 24, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=957 bgcolor=#d6d6d6| 521957 || || — || November 13, 2015 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=958 bgcolor=#E9E9E9| 521958 || || — || September 14, 2006 || Catalina || CSS || || align=right | 1.6 km || |-id=959 bgcolor=#d6d6d6| 521959 || || — || December 9, 2010 || Kitt Peak || Spacewatch || || align=right | 3.6 km || |-id=960 bgcolor=#d6d6d6| 521960 || || — || February 22, 2012 || Siding Spring || SSS || || align=right | 3.8 km || |-id=961 bgcolor=#E9E9E9| 521961 || || — || June 13, 2005 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=962 bgcolor=#d6d6d6| 521962 || || — || January 6, 2006 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=963 bgcolor=#d6d6d6| 521963 || || — || October 14, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=964 bgcolor=#d6d6d6| 521964 || || — || October 15, 2004 || Mount Lemmon || Mount Lemmon Survey || || align=right | 4.1 km || |-id=965 bgcolor=#d6d6d6| 521965 || || — || January 30, 2011 || Haleakala || Pan-STARRS || || align=right | 2.7 km || |-id=966 bgcolor=#d6d6d6| 521966 || || — || September 20, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=967 bgcolor=#d6d6d6| 521967 || || — || March 22, 2012 || Catalina || CSS || || align=right | 3.5 km || |-id=968 bgcolor=#d6d6d6| 521968 || || — || July 28, 2014 || Haleakala || Pan-STARRS || || align=right | 2.0 km || |-id=969 bgcolor=#E9E9E9| 521969 || || — || March 11, 2008 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=970 bgcolor=#E9E9E9| 521970 || || — || October 10, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=971 bgcolor=#d6d6d6| 521971 || || — || March 13, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.4 km || |-id=972 bgcolor=#d6d6d6| 521972 || || — || November 8, 2015 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=973 bgcolor=#d6d6d6| 521973 || || — || September 24, 2009 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=974 bgcolor=#d6d6d6| 521974 || || — || July 4, 2014 || Haleakala || Pan-STARRS || || align=right | 2.9 km || |-id=975 bgcolor=#E9E9E9| 521975 || || — || May 3, 2005 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=976 bgcolor=#fefefe| 521976 || || — || November 23, 2008 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.76" | 760 m || |-id=977 bgcolor=#E9E9E9| 521977 || || — || September 30, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.2 km || |-id=978 bgcolor=#d6d6d6| 521978 || || — || May 8, 2013 || Haleakala || Pan-STARRS || || align=right | 2.7 km || |-id=979 bgcolor=#d6d6d6| 521979 || || — || February 27, 2012 || Haleakala || Pan-STARRS || || align=right | 2.5 km || |-id=980 bgcolor=#E9E9E9| 521980 || || — || January 2, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=981 bgcolor=#d6d6d6| 521981 || || — || June 18, 2013 || Haleakala || Pan-STARRS || || align=right | 3.3 km || |-id=982 bgcolor=#d6d6d6| 521982 || || — || December 9, 2010 || Kitt Peak || Spacewatch || || align=right | 3.6 km || |-id=983 bgcolor=#E9E9E9| 521983 || || — || April 11, 2003 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=984 bgcolor=#E9E9E9| 521984 || || — || October 30, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=985 bgcolor=#E9E9E9| 521985 || || — || December 16, 2007 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=986 bgcolor=#E9E9E9| 521986 || || — || November 25, 2011 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.96" | 960 m || |-id=987 bgcolor=#d6d6d6| 521987 || || — || August 20, 2014 || Haleakala || Pan-STARRS || || align=right | 2.9 km || |-id=988 bgcolor=#E9E9E9| 521988 || || — || April 30, 2005 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=989 bgcolor=#d6d6d6| 521989 || || — || June 8, 2013 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=990 bgcolor=#d6d6d6| 521990 || || — || January 23, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.3 km || |-id=991 bgcolor=#E9E9E9| 521991 || || — || December 27, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.6 km || |-id=992 bgcolor=#E9E9E9| 521992 || || — || February 25, 2012 || Catalina || CSS || || align=right | 1.5 km || |-id=993 bgcolor=#fefefe| 521993 || || — || August 31, 2011 || Haleakala || Pan-STARRS || || align=right data-sort-value="0.70" | 700 m || |-id=994 bgcolor=#E9E9E9| 521994 || || — || May 4, 2005 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=995 bgcolor=#E9E9E9| 521995 || || — || March 31, 2008 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=996 bgcolor=#d6d6d6| 521996 || || — || September 9, 2015 || Haleakala || Pan-STARRS || || align=right | 2.6 km || |-id=997 bgcolor=#E9E9E9| 521997 || || — || July 12, 2005 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=998 bgcolor=#d6d6d6| 521998 || || — || November 6, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.6 km || |-id=999 bgcolor=#d6d6d6| 521999 || || — || January 4, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.5 km || |-id=000 bgcolor=#d6d6d6| 522000 || || — || December 6, 2010 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |}

External links

• Discovery Circumstances: Numbered Minor Planets (520001)–(525000) (IAU Minor Planet Center)