(1612) Hirose Main-belt Asteroid
Discovered on 23 January 1950 by K. Reinmuth at Heidelberg.
Where Hirose is today
Seen from above the solar system on 2026-10-14: Hirose is 2.89 au from the Sun and 3.69 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1612 |
| Provisional designation | 1950 BJ |
| Orbit class | Main-belt Asteroid |
| Diameter | 19.0 km (#2,359 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.113 |
| Rotation period | 12.3 hours |
| Absolute magnitude (H) | 10.83 |
| Orbital period | 5.48 years |
| Semi-major axis | 3.11 au |
| Perihelion – aphelion | 2.83 – 3.38 au |
| Eccentricity | 0.0891 |
| Inclination | 16.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.88 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 23 January 1950
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
← (1611) Beyer · (1613) Smiley →