(339) Dorothea Main-belt Asteroid
Discovered on 25 September 1892 by M. F. Wolf at Heidelberg.
Where Dorothea is today
Seen from above the solar system on 2026-10-14: Dorothea is 3.12 au from the Sun and 4.06 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 339 |
| Provisional designation | A892 SC |
| Orbit class | Main-belt Asteroid |
| Diameter | 44.3 km (#873 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.198 |
| Rotation period | 5.97 hours |
| Spectral type | S |
| Absolute magnitude (H) | 9.4 |
| Orbital period | 5.22 years |
| Semi-major axis | 3.01 au |
| Perihelion – aphelion | 2.70 – 3.32 au |
| Eccentricity | 0.102 |
| Inclination | 9.96° |
| Closest distance between its orbit and Earth's (MOID) | 1.69 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 25 September 1892
More named asteroids discovered by M. F. Wolf
- (323) Brucia
- (325) Heidelberga
- (328) Gudrun
- (329) Svea
- (330) Adalberta
- (332) Siri
- (333) Badenia
- (334) Chicago
- (340) Eduarda
- (341) California
- (342) Endymion
- (343) Ostara
← (338) Budrosa · (340) Eduarda →