(9828) Antimachos Jupiter Trojan
Discovered on 19 September 1973 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Antimachos was one of the heroes hidden in the Wooden Horse.Naming citation (19990402/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Antimachos is today
Seen from above the solar system on 2026-10-14: Antimachos is 5.16 au from the Sun and 6.15 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9828 |
| Provisional designation | 1973 SS |
| Orbit class | Jupiter Trojan |
| Diameter | 20.3 km (#2,169 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0820 |
| Absolute magnitude (H) | 12.05 |
| Orbital period | 11.8 years |
| Semi-major axis | 5.20 au |
| Perihelion – aphelion | 4.75 – 5.64 au |
| Eccentricity | 0.0862 |
| Inclination | 3.21° |
| Closest distance between its orbit and Earth's (MOID) | 3.76 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 19 September 1973
- (2643) Bernhard
- (3290) Azabu
- (3548) Eurybates
- (4007) Euryalos
- (4068) Menestheus
- (4138) Kalchas
- (4230) van den Bergh
- (4387) Tanaka
- (4757) Liselotte
- (5041) Theotes
- (5928) Pindarus
- (7152) Euneus