(342842) 2008 YB3
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(342842) 2008 YB3, provisional designation: 2008 YB3, is a sizable centaur and retrograde damocloid from the outer Solar System, approximately 67 kilometers (42 miles) in diameter. It was discovered on 18 December 2008, by astronomers with the Siding Spring Survey at the Siding Spring Observatory in Australia.[1][3] The minor planet was numbered in 2012 and has since not been named.
Quick Facts Discovery, Discovered by ...
Discovery[1] | |
---|---|
Discovered by | Siding Spring Srvy. |
Discovery site | Siding Spring Obs. |
Discovery date | 18 December 2008 |
Designations | |
(342842) 2008 YB3 | |
2008 YB3 | |
centaur[2][3][4] · damocloid distant[1] | |
Orbital characteristics[2] | |
Epoch 1 July 2021 (JD 2459396.5) | |
Uncertainty parameter 1 | |
Observation arc | 11.78 yr (4,302 d) |
Aphelion | 16.698 AU |
Perihelion | 6.4673 AU |
11.583 AU | |
Eccentricity | 0.4417 |
39.42 yr (14,399 d) | |
94.371° | |
0° 1m 30s / day | |
Inclination | 105.06° |
112.64° | |
330.44° | |
TJupiter | -0.2460 |
Physical characteristics | |
Mean diameter | 67 km[3][5] |
n.a.[2][6] | |
0.062[3][5] | |
BR[3] B–I = 1.750±0.01[7] B–R = 1.260±0.01[7] R–I = 0.490±0.01[7] V–R = 0.460±0.01[7] | |
9.3[1][2] | |
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