(200069) Alastor Jupiter Trojan
Discovered on 24 September 1960 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Alastor, a Greek hero, was leader of the Pylian contingent before Troy. He twice carried wounded Greek warriors (Teukros and Hysenor) away from the battlefield. The name was suggested by I. J. F. de Jong.Naming citation (20100726/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Alastor is today
Seen from above the solar system on 2026-10-14: Alastor is 5.62 au from the Sun and 6.59 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 200069 |
| Provisional designation | 4322 P-L |
| Orbit class | Jupiter Trojan |
| Diameter | 11.9 km (#4,148 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.126 |
| Absolute magnitude (H) | 12.81 |
| Orbital period | 12.3 years |
| Semi-major axis | 5.34 au |
| Perihelion – aphelion | 4.98 – 5.69 au |
| Eccentricity | 0.0669 |
| Inclination | 6.15° |
| Closest distance between its orbit and Earth's (MOID) | 3.99 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 24 September 1960
- (1743) Schmidt
- (1744) Harriet
- (1776) Kuiper
- (1777) Gehrels
- (1795) Woltjer
- (1808) Bellerophon
- (1809) Prometheus
- (1810) Epimetheus
- (1811) Bruwer
- (1812) Gilgamesh
- (1846) Bengt
- (1868) Thersites