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From Wikipedia, the free encyclopedia
(308193) 2005 CB79 is a trans-Neptunian object that is a member of the Haumea family.[9]
Discovery[1] | |
---|---|
Discovered by | M. E. Brown, C. A. Trujillo, D. L. Rabinowitz |
Discovery date | 6 February 2005 |
Designations | |
2005 CB79 | |
Cubewano (MPC)[2] Extended (DES)[3] | |
Orbital characteristics[4] | |
Epoch 13 January 2016 (JD 2457400.5) | |
Uncertainty parameter 4 | |
Observation arc | 5083 days (13.92 yr) |
Aphelion | 50.062 AU (7.4892 Tm) (Q) |
Perihelion | 37.231 AU (5.5697 Tm) (q) |
43.647 AU (6.5295 Tm) (a) | |
Eccentricity | 0.14698 (e) |
288.36 yr (105324 d) | |
319.66° (M) | |
0° 0m 12.305s / day (n) | |
Inclination | 28.606° (i) |
112.79° (Ω) | |
≈ 5 December 2048[5] ±3 days | |
90.154° (ω) | |
Physical characteristics | |
Dimensions | 158 km[6][7] |
6.76 h (0.282 d) | |
13.52 h[8] | |
0.7 (assumed) | |
(Neutral) B-V=0.73, V-R=0.37[9] | |
21.1[10] | |
4.6[4] | |
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.[7]
Observations by Mike Brown in 2012 using the W. M. Keck Observatory suggest that (308193) 2005 CB79 does not have a companion.[11]
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