| Discovery | |
|---|---|
| Discovered by | Mt. Lemmon Survey |
| Discovery date | 21 March 2018 |
| Designations | |
| 2018 FC4 | |
Martian L5  | |
| Orbital characteristics[1] | |
| Epoch 31 May 2020 (JD 2459000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 790 days (2.16 yr) |
| Aphelion | 1.5498684 AU (231.85701 Gm) |
| Perihelion | 1.497823 AU (224.0711 Gm) |
| 1.5238457 AU (227.96407 Gm) | |
| Eccentricity | 0.017077 |
| 1.88 yr (687.0841 d) | |
| 4.660° | |
| 0° 31m 26.232s /day | |
| Inclination | 22.1437° |
| 187.55390° | |
| 52.009° | |
| Earth MOID | 0.507683 AU (75.9483 Gm) |
| Jupiter MOID | 3.41333 AU (510.627 Gm) |
| Physical characteristics | |
| Dimensions | 200 m |
| 0.5-0.05 (assumed) | |
| 21.3 | |
2018 FC4 is a small asteroid and Mars trojan orbiting near the L5 point of Mars (60 degrees behind Mars on its orbit).[2]
- ^ Cite error: The named reference
jplwas invoked but never defined (see the help page). - ^ 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.