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2018 EC4
| Discovery | |
|---|---|
| Discovered by | Mt. Lemmon Survey |
| Discovery date | 10 March 2018 |
| Designations | |
| 2018 EC4 | |
Martian L5  | |
| Orbital characteristics[1] | |
| Epoch 31 May 2020 (JD 2459000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 3131 days (8.57 yr) |
| Aphelion | 1.61579336 AU (241.719246 Gm) |
| Perihelion | 1.43135923 AU (214.128293 Gm) |
| 1.52357630 AU (227.923770 Gm) | |
| Eccentricity | 0.06052671 |
| 1.88 yr (686.90193 d) | |
| 203.4934° | |
| 0° 31m 26.732s /day | |
| Inclination | 21.835796° |
| 47.371564° | |
| 344.1754° | |
| Earth MOID | 0.443437 AU (66.3372 Gm) |
| Jupiter MOID | 3.54199 AU (529.874 Gm) |
| Physical characteristics | |
| Dimensions | 300 m |
| 0.5-0.05 (assumed) | |
| 20.1 | |
2018 EC4 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.
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