(181751) Phaenops Jupiter Trojan
Discovered on 17 April 1996 by E. W. Elst at La Silla.
Phaenops, the father of Xanthos and Thouon, was left in bitter grief and anguish, after hearing that Diomedes had killed both of his sons.Naming citation (20100726/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Phaenops is today
Seen from above the solar system on 2026-10-14: Phaenops is 5.63 au from the Sun and 4.78 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 181751 |
| Provisional designation | 1996 HS12 |
| Orbit class | Jupiter Trojan |
| Diameter | 15.0 km (#3,129 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0450 |
| Absolute magnitude (H) | 13.03 |
| Orbital period | 11.9 years |
| Semi-major axis | 5.21 au |
| Perihelion – aphelion | 4.72 – 5.69 au |
| Eccentricity | 0.0927 |
| Inclination | 16.0° |
| Closest distance between its orbit and Earth's (MOID) | 3.73 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 17 April 1996
- (7537) Solvay
- (8116) Jeanperrin
- (8308) Julie-Melissa
- (9430) Erichthonios
- (9664) Brueghel
- (13177) Hansschmidt
- (13644) Lynnanderson
- (15364) Kenglover
- (15861) Ispahan
- (16730) Nijisseiki
- (16731) Mitsumata
- (18493) Demoleon