(2207) Antenor Jupiter Trojan
Discovered on 19 August 1977 by N. S. Chernykh at Nauchnyj.
This Trojan planet is named for the Trojan hero and sage who called for peace with the Greeks. He advised the citizens of Troy to put an end to the war by returning the kidnapped Helen to her husband Menelaus.Naming citation (MPC 5849), IAU / Minor Planet Center, via NASA/JPL
Where Antenor is today
Seen from above the solar system on 2026-10-14: Antenor is 5.10 au from the Sun and 4.68 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2207 |
| Provisional designation | 1977 QH1 |
| Orbit class | Jupiter Trojan |
| Diameter | 97.7 km (#244 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0510 |
| Rotation period | 7.96 hours |
| Spectral type | D |
| Absolute magnitude (H) | 8.9 |
| Orbital period | 11.8 years |
| Semi-major axis | 5.17 au |
| Perihelion – aphelion | 5.10 – 5.25 au |
| Eccentricity | 0.0141 |
| Inclination | 6.80° |
| Closest distance between its orbit and Earth's (MOID) | 4.12 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 19 August 1977
- (2254) Requiem
- (2295) Matusovskij
- (2389) Dibaj
- (2564) Kayala
- (2793) Valdaj
- (3084) Kondratyuk
- (3557) Sokolsky
- (3738) Ots
- (6684) Volodshevchenko
- (7628) Evgenifedorov
- (7629) Foros
- (8450) Egorov
More named asteroids discovered by N. S. Chernykh
- (1796) Riga
- (1836) Komarov
- (1907) Rudneva
- (1908) Pobeda
- (2004) Lexell
- (2006) Polonskaya
- (2036) Sheragul
- (2113) Ehrdni
- (2123) Vltava
- (2149) Schwambraniya
- (2164) Lyalya
- (2178) Kazakhstania
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