(386454) 2008 XM
(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.
Discovery | |
---|---|
Discovered by | LINEAR |
Discovery site | Lincoln Lab's ETS |
Discovery date | 2 December 2008 |
Designations | |
MPC designation | (386454) 2008 XM |
Alternative designations | 2008 XM |
Minor planet category | 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 |
Semi-major axis | 1.2222 AU |
Eccentricity | 0.9091 |
Orbital period (sidereal) | 1.35 yr (494 days) |
Mean anomaly | 204.67° |
Mean motion | 0° 43m 45.84s / day |
Inclination | 5.4478° |
Longitude of ascending node | 240.63° |
27.357° | |
Earth MOID | 0.0048 AU · 1.9 LD |
Physical characteristics | |
Mean diameter | 0.367±0.009 km |
0.128±0.032 | |
20.0 | |
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.