(15502) Hypeirochus Jupiter Trojan
Discovered on 14 July 1999 by LINEAR at Socorro.
Hypeirochus was a son of King Priam who was killed by Odysseus.Naming citation (WGSBN Bull. 5, #5, 21), IAU / Minor Planet Center, via NASA/JPL
Where Hypeirochus is today
Seen from above the solar system on 2026-10-14: Hypeirochus is 5.08 au from the Sun and 4.42 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15502 |
| Provisional designation | 1999 NV27 |
| Orbit class | Jupiter Trojan |
| Diameter | 53.1 km (#687 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0690 |
| Rotation period | 15.1 hours |
| Absolute magnitude (H) | 10.08 |
| Orbital period | 11.6 years |
| Semi-major axis | 5.11 au |
| Perihelion – aphelion | 5.03 – 5.20 au |
| Eccentricity | 0.0162 |
| Inclination | 16.8° |
| Closest distance between its orbit and Earth's (MOID) | 4.05 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 14 July 1999
- (11751) Davidcarroll
- (12120) Rebeccagrella
- (16062) Buncher
- (17169) Tatarinov
- (17170) Vsevustinov
- (18823) Zachozer
- (18824) Graves
- (18825) Alicechai
- (18826) Leifer
- (18830) Pothier
- (19589) Kirkland
- (19591) Michaelklein