(9807) Rhene Jupiter Trojan
Discovered on 27 September 1997 by T. Kobayashi at Oizumi.
Rhene was the mother, by Oileus, of Medon. Medon took over leadership of seven ships of archers after Philoctetes was bitten by a water snake.Naming citation (WGSBN Bull. 1, #12, 7), IAU / Minor Planet Center, via NASA/JPL
Where Rhene is today
Seen from above the solar system on 2026-10-14: Rhene is 5.67 au from the Sun and 6.67 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9807 |
| Provisional designation | 1997 SJ4 |
| Orbit class | Jupiter Trojan |
| Diameter | 24.7 km (#1,715 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0880 |
| Rotation period | 346 hours |
| Absolute magnitude (H) | 11.46 |
| Orbital period | 11.9 years |
| Semi-major axis | 5.21 au |
| Perihelion – aphelion | 4.41 – 6.01 au |
| Eccentricity | 0.154 |
| Inclination | 4.97° |
| Closest distance between its orbit and Earth's (MOID) | 3.42 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 27 September 1997
- (10217) Richardcook
- (13227) Poor
- (14976) Josefcapek
- (15388) Coelum
- (15905) Berthier
- (16804) Bonini
- (18567) Segenthau
- (31134) Zurria
- (33035) Pareschi
- (35358) Lorifini
- (37785) Nougaro
- (69556) Felixdelafuente