(406) Erna Main-belt Asteroid
Discovered on 22 August 1895 by A. Charlois at Nice.
Where Erna is today
Seen from above the solar system on 2026-10-14: Erna is 3.14 au from the Sun and 3.41 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 406 |
| Provisional designation | A895 QA |
| Orbit class | Main-belt Asteroid |
| Diameter | 46.3 km (#824 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0600 |
| Rotation period | 8.79 hours |
| Spectral type | P |
| Absolute magnitude (H) | 10.42 |
| Orbital period | 4.99 years |
| Semi-major axis | 2.92 au |
| Perihelion – aphelion | 2.40 – 3.44 au |
| Eccentricity | 0.178 |
| Inclination | 4.19° |
| 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. 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
← (405) Thia · (407) Arachne →