(331) Etheridgea Main-belt Asteroid
Discovered on 1 April 1892 by A. Charlois at Nice.
Where Etheridgea is today
Seen from above the solar system on 2026-10-14: Etheridgea is 2.93 au from the Sun and 2.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 331 |
| Provisional designation | A892 GA |
| Orbit class | Main-belt Asteroid |
| Diameter | 74.9 km (#422 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0447 |
| Rotation period | 25.3 hours |
| Spectral type | CX |
| Absolute magnitude (H) | 9.93 |
| Orbital period | 5.26 years |
| Semi-major axis | 3.03 au |
| Perihelion – aphelion | 2.74 – 3.31 au |
| Eccentricity | 0.0950 |
| Inclination | 6.04° |
| Closest distance between its orbit and Earth's (MOID) | 1.73 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by A. Charlois
- (267) Tirza
- (272) Antonia
- (277) Elvira
- (282) Clorinde
- (283) Emma
- (284) Amalia
- (285) Regina
- (289) Nenetta
- (293) Brasilia
- (294) Felicia
- (296) Phaetusa
- (297) Caecilia
← (330) Adalberta · (332) Siri →