2011 UN63
2011 UN63, also written as 2011 UN63, is a Mars trojan, an asteroid orbiting near the L5 point of Mars (60 degrees behind Mars on its orbit).
| Discovery | |
|---|---|
| Discovered by | Mt. Lemmon Survey |
| Discovery date | 21 October 2011 |
| Designations | |
| 2011 UN63 | |
| Martian L5 | |
| Orbital characteristics | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 1 | |
| Observation arc | 1587 days (4.34 yr) |
| Aphelion | 1.6222522 AU (242.68547 Gm) |
| Perihelion | 1.4253677 AU (213.23197 Gm) |
| 1.5238099 AU (227.95872 Gm) | |
| Eccentricity | 0.0646027 |
| 1.88 yr (687.06 d) | |
| 101.29418° | |
| 0° 31m 26.298s / day | |
| Inclination | 20.36086° |
| 223.55542° | |
| 165.28918° | |
| Earth MOID | 0.434823 AU (65.0486 Gm) |
| Jupiter MOID | 3.54877 AU (530.888 Gm) |
| Physical characteristics | |
| Dimensions | 560 m |
| 0.5–0.05 (assumed) | |
| 19.7 | |
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