(9818) Eurymachos Jupiter Trojan
Discovered on 24 September 1960 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Eurymachos was one of the heroes hidden in the Wooden Horse.Naming citation (19990402/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Eurymachos is today
Seen from above the solar system on 2026-10-14: Eurymachos is 5.15 au from the Sun and 6.06 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9818 |
| Provisional designation | 6591 P-L |
| Orbit class | Jupiter Trojan |
| Diameter | 28.1 km (#1,477 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0890 |
| Absolute magnitude (H) | 11.1 |
| Orbital period | 11.8 years |
| Semi-major axis | 5.18 au |
| Perihelion – aphelion | 5.15 – 5.20 au |
| Eccentricity | 0.00426 |
| Inclination | 7.50° |
| Closest distance between its orbit and Earth's (MOID) | 4.15 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