| Discovery | |
|---|---|
| Discovered by | Pan-STARRS |
| Discovery date | 29 October 2011 |
| Designations | |
| 2011 UB256 | |
Martian L5  | |
| Orbital characteristics[1] | |
| 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 | |
| 300 m | |
| 0.5-0.05 (assumed) | |
| 19.9 | |
2011 UB256 is a small asteroid and Mars trojan orbiting near the L5 point of Mars (60 degrees behind Mars on its orbit).[2][3][4]
- ^ Cite error: The named reference
jplwas invoked but never defined (see the help page). - ^ Christou, Apostolos A.; Borisov, Galin; Dell'Oro, Aldo; Jacobson, Seth A.; Cellino, Alberto; Unda-Sanzana, Eduardo (January 2020). "Population control of Mars Trojans by the Yarkovsky & YORP effects". Icarus. 335 (1): 113370 (34 pages). arXiv:1907.12858. Bibcode:2020Icar..33513370C. doi:10.1016/j.icarus.2019.07.004. S2CID 198985887.
- ^ Christou, Apostolos A.; Borisov, Galin; Dell'Oro, Aldo; Cellino, Alberto; Devogèle, Maxime (January 2021). "Composition and origin of L5 Trojan asteroids of Mars: Insights from spectroscopy". Icarus. 354 (1): 113994 (22 pages). arXiv:2010.10947. Bibcode:2021Icar..35413994C. doi:10.1016/j.icarus.2020.113994. S2CID 224814529.
- ^ de la Fuente Marcos, Carlos; de la Fuente Marcos, Raúl (March 2021). "Using Mars co-orbitals to estimate the importance of rotation-induced YORP break-up events in Earth co-orbital space". Monthly Notices of the Royal Astronomical Society. 501 (4): 6007–6025. arXiv:2101.02563. Bibcode:2021MNRAS.501.6007D. doi:10.1093/mnras/stab062.