(308193) 2005 CB79
From Infogalactic: the planetary knowledge core
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] |
Sidereal rotation period
|
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] | |
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(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
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External links
- Orbital simulation from JPL (Java) / Horizons Ephemeris
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- ↑ Assuming a Haumea-like albedo of 0.7
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