(216462) Polyphontes Jupiter Trojan
Discovered on 30 September 1973 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Polyphontes, a Greek hero, son of Autophonos, was one of the leaders of an ambush against Tydeus near Thebes. He was killed by Tydeus. The name was suggested by I. J. F. de Jong.Naming citation (20100726/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Polyphontes is today
Seen from above the solar system on 2026-10-14: Polyphontes is 5.69 au from the Sun and 6.67 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 216462 |
| Provisional designation | 5397 T-2 |
| Orbit class | Jupiter Trojan |
| Diameter | 10.1 km (#5,031 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.172 |
| Absolute magnitude (H) | 12.82 |
| Orbital period | 12.0 years |
| Semi-major axis | 5.23 au |
| Perihelion – aphelion | 4.67 – 5.80 au |
| Eccentricity | 0.108 |
| Inclination | 9.96° |
| Closest distance between its orbit and Earth's (MOID) | 3.68 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 30 September 1973
- (4587) Rees
- (4848) Tutenchamun
- (5071) Schoenmaker
- (5196) Bustelli
- (5342) Le Poole
- (5885) Apeldoorn
- (6146) Adamkrafft
- (6258) Rodin
- (6259) Maillol
- (7265) Edithmuller
- (7316) Hajdu
- (8125) Tyndareus