2011 UB256
2011 UB256 is a small asteroid and Mars trojan orbiting near the L5 point of Mars (60 degrees behind Mars on its orbit).
| Discovery | |
|---|---|
| Discovered by | Pan-STARRS |
| Discovery date | 29 October 2011 |
| Designations | |
| 2011 UB256 | |
| Martian L5 | |
| Orbital characteristics | |
| Epoch 31 May 2020 (JD 2459000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 6265 days (17.15 yr) |
| Aphelion | 1.631894031 AU (244.1278722 Gm) |
| Perihelion | 1.4154896 AU (211.75423 Gm) |
| 1.523691798 AU (227.9410486 Gm) | |
| Eccentricity | 0.0710132 |
| 1.88 yr (686.980044 d) | |
| 180.60444° | |
| 0° 31m 26.518s /day | |
| Inclination | 24.30270° |
| 58.781126° | |
| 7.58178° | |
| Earth MOID | 0.428887 AU (64.1606 Gm) |
| Jupiter MOID | 3.5641 AU (533.18 Gm) |
| Physical characteristics | |
Mean diameter | 300 m |
| 0.5-0.05 (assumed) | |
| 19.9 | |
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