(52872) Okyrhoe Centaur
Discovered on 19 September 1998 by Spacewatch at Kitt Peak.
Okyrhoe was the daughter of Chiron and Chariklo. The name means “swift running” or “fast flowing”. A prophet, she was changed into a mare by the gods as punishment for revealing their plans to humankind.Naming citation (20030614/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Okyrhoe is today
Seen from above the solar system on 2026-10-14: Okyrhoe is 8.69 au from the Sun and 7.75 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 52872 |
| Provisional designation | 1998 SG35 |
| Orbit class | Centaur |
| Diameter | 36.0 km (#1,107 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0580 |
| Rotation period | 9.72 hours |
| Absolute magnitude (H) | 10.93 |
| Orbital period | 24.1 years |
| Semi-major axis | 8.35 au |
| Perihelion – aphelion | 5.78 – 10.9 au |
| Eccentricity | 0.308 |
| Inclination | 15.7° |
| Closest distance between its orbit and Earth's (MOID) | 4.80 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 19 September 1998
- (12562) Briangrazer
- (21576) McGivney
- (22725) Drabble
- (25164) Sonomastate
- (25165) Leget
- (25166) Thompson
- (38044) Michaellucas
- (49118) Sergerochain
- (79641) Daniloceirani
- (79645) Jancovici
- (202930) Ivezic
- (222032) Lupton