(308193) 2005 CB79

(308193) 2005 CB79
Discovery[1]
Discovered by M. E. Brown,
C. A. Trujillo,
D. L. Rabinowitz
Designations
MPC designation 2005 CB79
Cubewano (MPC)[2]
Extended (DES)[3]
Orbital characteristics[4]
Epoch January 10, 2010 (2455200.5)
Aphelion 49.178 AU (Q)
Perihelion 37.133 AU (q)
43.155 AU (a)
Eccentricity 0.1395
283.51 yr
309.19° (M)
Inclination 28.675°
112.86°
92.738°
Physical characteristics
Dimensions 158 km[5][6]
13.52 h[7]
Albedo 0.7 (assumed)
Spectral type
 (Neutral)
B-V=0.73, V-R=0.37[8]
21.1[9]
4.7[4]

    (308193) 2005 CB79 is a trans-Neptunian object that is a member of the Haumea family.[8]

    As a member of the Haumea family, (308193) 2005 CB79 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.[6]

    The + marks 2005 RR43 (B-V=0.77, V-R=0.41) on this color plot of TNOs. All the other Haumea-family members (2005 CB79: 0.73, 0.37) are located to the lower left of this point.

    Observations by Mike Brown in 2012 using the W. M. Keck Observatory suggest that (308193) 2005 CB79 does not have a companion.[10]

    References

    1. ↑ Marsden, Brian G. (September 1, 2007). "MPEC 2007-R02 : 2003 UY413, 2003 UZ413, 2004 NT33, 2005 CA79, 2005 CB79, 2005 UQ513". IAU Minor Planet Center. Harvard-Smithsonian Center for Astrophysics. Retrieved January 10, 2010.
    2. ↑ "MPEC 2010-A05 :Distant Minor Planets (14 January 2010.0 TT)". IAU Minor Planet Center. January 2, 2010. Archived from the original on 14 January 2010. Retrieved January 10, 2010.
    3. ↑ Marc W. Buie (December 20, 2008). "Orbit Fit and Astrometric record for 05CB79". SwRI (Space Science Department). Retrieved January 10, 2010.
    4. ↑ 4.0 4.1 4.2 "JPL Small-Body Database Browser: (2005 CB79)". December 20, 2008. Retrieved January 10, 2010.
    5. ↑ Assuming a Haumea-like albedo of 0.7
    6. ↑ 6.0 6.1 Dan Bruton. "Conversion of Absolute Magnitude to Diameter for Minor Planets". Department of Physics & Astronomy (Stephen F. Austin State University). Retrieved December 27, 2009.
    7. ↑ 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". Astronomy & Astrophysics (EDP Sciences) 544. arXiv:1207.6491. Bibcode:2012A&A...544A.137C. doi:10.1051/0004-6361/201219044. Retrieved 8 June 2014.
    8. ↑ 8.0 8.1 Snodgrass, Carry, Dumas, Hainaut (16 December 2009). "Characterisation of candidate members of (136108) Haumea's family". The Astrophysical Journal. arXiv:0912.3171. Bibcode:2010A&A...511A..72S. doi:10.1051/0004-6361/200913031.
    9. ↑ "AstDys 2005CB79 Ephemerides". Department of Mathematics, University of Pisa, Italy. Retrieved January 10, 2010.
    10. ↑ Plutokiller (February 3, 2012). "2005 CB79 looks solitary.". Twitter. Retrieved February 3, 2012.

    External links