(817) Annika Main-belt Asteroid
Discovered on 6 February 1916 by M. F. Wolf at Heidelberg.
👶 Annika as a baby name🐶 Annika as a dog name
Where Annika is today
Seen from above the solar system on 2026-10-14: Annika is 2.80 au from the Sun and 3.07 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 817 |
| Provisional designation | A916 CD |
| Orbit class | Main-belt Asteroid |
| Diameter | 22.9 km (#1,866 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.187 |
| Rotation period | 10.6 hours |
| Absolute magnitude (H) | 10.66 |
| Orbital period | 4.17 years |
| Semi-major axis | 2.59 au |
| Perihelion – aphelion | 2.12 – 3.06 au |
| Eccentricity | 0.180 |
| Inclination | 11.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.17 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
← (816) Juliana · (818) Kapteynia →