Astronomy:4544 Xanthus
From HandWiki
 Orbit diagram of Xanthus as of March 2013 | |
| Discovery | |
|---|---|
| Discovered by | Henry Holt and Norman G. Thomas |
| Discovery site | Palomar Observatory |
| Discovery date | 31 March 1989 |
| Designations | |
| (4544) Xanthus | |
| Pronunciation | /ˈzænθəs/[1] |
| 1989 FB | |
| Minor planet category | Near-Earth object Apollo |
| Orbital characteristics[2] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 7629 days (20.89 yr) |
| |{{{apsis}}}|helion}} | 1.3023 astronomical unit|AU (194.82 Gm) |
| |{{{apsis}}}|helion}} | 0.78120 AU (116.866 Gm) |
| 1.0418 AU (155.85 Gm) | |
| Eccentricity | 0.25012 |
| Orbital period | 1.06 yr (388.38 d) |
| Mean anomaly | 269.26925° |
| Mean motion | 0° 55m 36.923s / day |
| Inclination | 14.146° |
| Longitude of ascending node | 24.00998° |
| 333.75° | |
| Earth MOID | 0.173705 AU (25.9859 Gm) |
| Physical characteristics | |
| Dimensions | 1.3 km |
| Mean radius | 0.65 km |
| Rotation period | 37.65 h (1.569 d) |
| Absolute magnitude (H) | 17.1 |
4544 Xanthus /ˈzænθəs/, provisional designation 1989 FB, is an asteroid, classified as near-Earth object of the Apollo group, approximately 1.3 kilometers in diameter. It was discovered on 31 March 1989, by astronomers Henry Holt and Norman Thomas at the Palomar Observatory in California.[2]
References
External links
- Benner, et al. - Radar Detection of Near-Earth Asteroids 2062 Aten, 2101 Adonis, 3103 Eger, 4544 Xanthus, and 1992 QN (1997)
- 4544 Xanthus at NeoDyS-2, Near Earth Objects—Dynamic Site
- Ephemeris · Obs prediction · Orbital info · MOID · Proper elements · Obs info · Close · Physical info · NEOCC
- 4544 Xanthus at ESA–space situational awareness
- 4544 Xanthus at the JPL Small-Body Database
 |  |
