(1642) Hill Main-belt Asteroid
Discovered on 4 September 1951 by K. Reinmuth at Heidelberg.
Where Hill is today
Seen from above the solar system on 2026-10-14: Hill is 2.60 au from the Sun and 3.44 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1642 |
| Provisional designation | 1951 RU |
| Orbit class | Main-belt Asteroid |
| Diameter | 16.2 km (#2,833 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.351 |
| Rotation period | 6.06 hours |
| Spectral type | S |
| Absolute magnitude (H) | 10.91 |
| Orbital period | 4.57 years |
| Semi-major axis | 2.75 au |
| Perihelion – aphelion | 2.57 – 2.94 au |
| Eccentricity | 0.0681 |
| Inclination | 10.8° |
| Closest distance between its orbit and Earth's (MOID) | 1.59 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 4 September 1951
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
← (1641) Tana · (1643) Brown →