(404) Arsinoe Main-belt Asteroid
Discovered on 20 June 1895 by A. Charlois at Nice.
Where Arsinoe is today
Seen from above the solar system on 2026-10-14: Arsinoe is 3.09 au from the Sun and 2.27 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 404 |
| Provisional designation | A895 MA |
| Orbit class | Main-belt Asteroid |
| Diameter | 95.0 km (#266 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0370 |
| Rotation period | 8.89 hours |
| Spectral type | C |
| Absolute magnitude (H) | 9.13 |
| Orbital period | 4.17 years |
| Semi-major axis | 2.59 au |
| Perihelion – aphelion | 2.07 – 3.11 au |
| Eccentricity | 0.202 |
| Inclination | 14.1° |
| Closest distance between its orbit and Earth's (MOID) | 1.10 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
← (403) Cyane · (405) Thia →