(129137) Hippolochos Jupiter Trojan
Discovered on 13 January 2005 by M. Ory at Vicques.
Hippolochos was the son of Antimachos, the Trojan councillor responsible for preventing Helen from being restored to the Greeks. This brave warrior was killed by Agamemnon. Etymologically, hippo-lochos means “an ambush with a horse”---such as the Trojan Horse. The name was suggested by C. Eschenlohr.Naming citation (20061109/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hippolochos is today
Seen from above the solar system on 2026-10-14: Hippolochos is 5.03 au from the Sun and 4.35 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 129137 |
| Provisional designation | 2005 AP27 |
| Orbit class | Jupiter Trojan |
| Absolute magnitude (H) | 13.06 |
| Orbital period | 11.6 years |
| Semi-major axis | 5.12 au |
| Perihelion – aphelion | 4.83 – 5.41 au |
| Eccentricity | 0.0570 |
| Inclination | 12.5° |
| Closest distance between its orbit and Earth's (MOID) | 3.83 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 13 January 2005
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- (117439) Rosner
- (129138) Williamfrost
- (134146) Pronoybiswas
- (184280) Yperion
- (211977) Springob
- (214136) Alinghi
- (242529) Hilaomar
- (248183) Peisandros
- (280642) Doubs