(1138) Attica Main-belt Asteroid
Discovered on 22 November 1929 by K. Reinmuth at Heidelberg.
Where Attica is today
Seen from above the solar system on 2026-10-14: Attica is 3.37 au from the Sun and 4.33 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1138 |
| Provisional designation | 1929 WF |
| Orbit class | Main-belt Asteroid |
| Diameter | 23.7 km (#1,806 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.105 |
| Rotation period | 24.0 hours |
| Absolute magnitude (H) | 11.57 |
| Orbital period | 5.57 years |
| Semi-major axis | 3.14 au |
| Perihelion – aphelion | 2.89 – 3.39 au |
| Eccentricity | 0.0795 |
| Inclination | 14.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.94 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by K. Reinmuth
- (796) Sarita
- (799) Gudula
- (864) Aase
- (909) Ulla
- (910) Anneliese
- (911) Agamemnon
- (913) Otila
- (918) Itha
- (920) Rogeria
- (921) Jovita
- (922) Schlutia
- (923) Herluga
← (1137) Raissa · (1139) Atami →