(1025) Riema Inner Main-belt Asteroid
Discovered on 12 August 1923 by K. Reinmuth at Heidelberg.
Where Riema is today
Seen from above the solar system on 2026-10-14: Riema is 2.05 au from the Sun and 1.30 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1025 |
| Provisional designation | A923 PG |
| Orbit class | Inner Main-belt Asteroid |
| Diameter | 4.61 km (#11,422 largest of 17,440 named asteroids with a measured size) |
| Albedo | 1.00 |
| Rotation period | 3.59 hours |
| Spectral type | E |
| Absolute magnitude (H) | 12.48 |
| Orbital period | 2.78 years |
| Semi-major axis | 1.98 au |
| Perihelion – aphelion | 1.90 – 2.06 au |
| Eccentricity | 0.0393 |
| Inclination | 26.9° |
| Closest distance between its orbit and Earth's (MOID) | 0.911 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 12 August 1923
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
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