(233) Asterope Main-belt Asteroid
Discovered on 11 May 1883 by A. Borrelly at Marseilles.
Where Asterope is today
Seen from above the solar system on 2026-10-14: Asterope is 2.71 au from the Sun and 3.53 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 233 |
| Provisional designation | A883 JA |
| Orbit class | Main-belt Asteroid |
| Diameter | 99.7 km (#235 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0940 |
| Rotation period | 19.7 hours |
| Spectral type | T |
| Absolute magnitude (H) | 8.41 |
| Orbital period | 4.34 years |
| Semi-major axis | 2.66 au |
| Perihelion – aphelion | 2.39 – 2.93 au |
| Eccentricity | 0.102 |
| Inclination | 7.69° |
| Closest distance between its orbit and Earth's (MOID) | 1.39 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by A. Borrelly
- (99) Dike
- (110) Lydia
- (117) Lomia
- (120) Lachesis
- (146) Lucina
- (157) Dejanira
- (171) Ophelia
- (172) Baucis
- (173) Ino
- (198) Ampella
- (240) Vanadis
- (246) Asporina
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