(386454) 2008 XM
| Discovery | |
|---|---|
| Discovered by | LINEAR |
| Discovery site | Lincoln Lab's ETS |
| Discovery date | 2 December 2008 |
| Designations | |
| (386454) 2008 XM | |
| 2008 XM | |
| Apollo · NEO · PHA | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 5.16 yr (1,884 days) |
| Aphelion | 2.3334 AU |
| Perihelion | 0.1111 AU |
| 1.2222 AU | |
| Eccentricity | 0.9091 |
| 1.35 yr (494 days) | |
| 204.67° | |
| 0° 43m 45.84s / day | |
| Inclination | 5.4478° |
| 240.63° | |
| 27.357° | |
| Earth MOID | 0.0048 AU · 1.9 LD |
| Physical characteristics | |
| 0.367±0.009 km | |
| 0.128±0.032 | |
| 20.0 | |
(386454) 2008 XM is a highly eccentric, sub-kilometer-sized asteroid, with one of the smallest known perihelions among all minor planets. It is classified as near-Earth object of the Apollo group and was discovered on 2 December 2008, by the LINEAR program at Lincoln Laboratory's Experimental Test Site in Socorro, New Mexico, United States.