(308193) 2005 CB79 explained

Minorplanet:yes
Background:
  1. C2E0FF
Discovery Ref:[1]
Discoverer:M. E. Brown,
C. A. Trujillo,
D. L. Rabinowitz
Mp Category:Cubewano (MPC)[2]
Extended (DES)[3]
Orbit Ref:[4]
Epoch:13 January 2016 (JD 2457400.5)
Aphelion:50.062abbr=onNaNabbr=on (Q)
Perihelion:37.231AU (q)
Time Periastron:≈ 5 December 2048[5]
±3 days
Semimajor:43.647AU (a)
Eccentricity:0.14698 (e)
Period:288.36 yr (105324 d)
Inclination:28.606° (i)
Asc Node:112.79° (Ω)
Mean Anomaly:319.66° (M)
Arg Peri:90.154° (ω)
Dimensions:158 km[6] [7]
Sidereal Day:13.52 h[8]
Albedo:0.7 (assumed)
Spectral Type:(Neutral)
B-V=0.73, V-R=0.37[9]
Magnitude:21.1[10]
Abs Magnitude:4.6
Discovered:6 February 2005
Mean Motion: / day (n)
Rotation:6.76abbr=onNaNabbr=on
Observation Arc:5083 days (13.92 yr)
Uncertainty:4

is a trans-Neptunian object that is a member of the Haumea family.[9]

Haumea family

As a member of the Haumea family, is suspected of being an icy mantle collisional fragment from dwarf planet Haumea. With an absolute magnitude (H) of 4.7,[4] and a Haumea-family albedo of 0.7, this object would have a diameter of 158 km.[7]

Observations by Mike Brown in 2012 using the W. M. Keck Observatory suggest that does not have a companion.[11]

Notes and References

  1. Web site: September 1, 2007 . MPEC 2007-R02 : 2003 UY413, 2003 UZ413, 2004 NT33, 2005 CA79, 2005 CB79, 2005 UQ513 . Brian G. . Marsden . IAU Minor Planet Center . Harvard-Smithsonian Center for Astrophysics . January 10, 2010.
  2. Web site: MPEC 2010-A05 :Distant Minor Planets (14 January 2010.0 TT) . January 2, 2010 . IAU Minor Planet Center . January 10, 2010 . https://web.archive.org/web/20100114044305/http://www.cfa.harvard.edu/mpec/K10/K10A05.html . 14 January 2010 . live .
  3. Web site: Marc W. Buie . Marc W. Buie . December 20, 2008 . Orbit Fit and Astrometric record for 308193 . SwRI (Space Science Department) . https://web.archive.org/web/20100818132740/http://www.boulder.swri.edu/~buie/kbo/astrom/05CB79.html . live . August 18, 2010 . January 10, 2010 .
  4. Web site: December 20, 2008 . JPL Small-Body Database Browser: (2005 CB79) . 7 April 2016.
  5. http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=2005CB79 JPL Horizons
  6. Assuming a Haumea-like albedo of 0.7
  7. Web site: Conversion of Absolute Magnitude to Diameter for Minor Planets . Department of Physics & Astronomy (Stephen F. Austin State University) . Dan Bruton . December 27, 2009 . dead . https://web.archive.org/web/20100323180835/http://www.physics.sfasu.edu/astro/asteroids/sizemagnitude.html . March 23, 2010 .
  8. Carry . Benoit . Snodgrass . Colin . Lacerda . Pedro . Hainaut . Olivier . Dumas . Christophe . 16 July 2012 . Characterisation of candidate members of (136108) Haumea's family: II. Follow-up observations . . EDP Sciences . 544 . A137 . 10.1051/0004-6361/201219044 . 1207.6491 . 8 June 2014 . 2012A&A...544A.137C . 119256112 . dead . https://web.archive.org/web/20141107172122/http://benoit.carry.free.fr/science/article/2012-AA-544-Carry.pdf . 7 November 2014 .
  9. Snodgrass, Carry . Dumas, Hainaut . Characterisation of candidate members of (136108) Haumea's family . Astronomy and Astrophysics . 16 December 2009 . 511 . A72 . 0912.3171. 10.1051/0004-6361/200913031 . 2010A&A...511A..72S . 62880843 .
  10. Web site: AstDys 2005CB79 Ephemerides . Department of Mathematics, University of Pisa, Italy . January 10, 2010.
  11. Web site: 2005 CB79 looks solitary. . February 3, 2012 . . Plutokiller . February 3, 2012.

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