(1227) Geranium Outer Main-belt Asteroid
Discovered on 5 October 1931 by K. Reinmuth at Heidelberg.
Where Geranium is today
Seen from above the solar system on 2026-10-14: Geranium is 3.69 au from the Sun and 4.49 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1227 |
| Provisional designation | 1931 TD |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 46.3 km (#823 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0710 |
| Rotation period | 12.4 hours |
| Absolute magnitude (H) | 10.76 |
| Orbital period | 5.77 years |
| Semi-major axis | 3.22 au |
| Perihelion – aphelion | 2.58 – 3.85 au |
| Eccentricity | 0.197 |
| Inclination | 16.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.61 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 5 October 1931
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
← (1226) Golia · (1228) Scabiosa →