(231666) Aisymnos Jupiter Trojan
Discovered on 24 September 1960 by Schmadel, L. D., Stoss, R. M. at Palomar.
Aisymnos was a ruler of the Danaans, a Greek soldier who was killed by Hektor. This Trojan was detected on scans of the original Palomar-Leiden plates taken by T. Gehrels.Naming citation (20100527/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Aisymnos is today
Seen from above the solar system on 2026-10-14: Aisymnos is 5.30 au from the Sun and 6.24 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 231666 |
| Provisional designation | 1960 SX |
| Orbit class | Jupiter Trojan |
| Diameter | 13.0 km (#3,718 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0870 |
| Absolute magnitude (H) | 12.88 |
| Orbital period | 12.2 years |
| Semi-major axis | 5.29 au |
| Perihelion – aphelion | 5.02 – 5.56 au |
| Eccentricity | 0.0508 |
| Inclination | 5.27° |
| Closest distance between its orbit and Earth's (MOID) | 4.04 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