(557) Violetta Main-belt Asteroid
Discovered on 26 January 1905 by M. F. Wolf at Heidelberg.
👶 Violetta as a baby name🐶 Violetta as a dog name
Where Violetta is today
Seen from above the solar system on 2026-10-14: Violetta is 2.27 au from the Sun and 1.99 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 557 |
| Provisional designation | A905 BD |
| Orbit class | Main-belt Asteroid |
| Diameter | 22.6 km (#1,897 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0840 |
| Rotation period | 5.09 hours |
| Absolute magnitude (H) | 12.12 |
| Orbital period | 3.82 years |
| Semi-major axis | 2.44 au |
| Perihelion – aphelion | 2.20 – 2.68 au |
| Eccentricity | 0.0991 |
| Inclination | 2.48° |
| Closest distance between its orbit and Earth's (MOID) | 1.22 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by M. F. Wolf
- (323) Brucia
- (325) Heidelberga
- (328) Gudrun
- (329) Svea
- (330) Adalberta
- (332) Siri
- (333) Badenia
- (334) Chicago
- (339) Dorothea
- (340) Eduarda
- (341) California
- (342) Endymion
← (556) Phyllis · (558) Carmen →