(1899) Crommelin Main-belt Asteroid
Discovered on 26 October 1971 by L. Kohoutek at Bergedorf.
Where Crommelin is today
Seen from above the solar system on 2026-10-14: Crommelin is 2.28 au from the Sun and 1.98 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1899 |
| Provisional designation | 1971 UR1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.33 km (#9,993 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.122 |
| Rotation period | 8.04 hours |
| Absolute magnitude (H) | 13.14 |
| Orbital period | 3.41 years |
| Semi-major axis | 2.26 au |
| Perihelion – aphelion | 2.02 – 2.51 au |
| Eccentricity | 0.107 |
| Inclination | 7.28° |
| Closest distance between its orbit and Earth's (MOID) | 1.03 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 26 October 1971
- (1840) Hus
- (1841) Masaryk
- (1865) Cerberus
- (1894) Haffner
- (1895) Larink
- (1896) Beer
- (1897) Hind
- (1898) Cowell
- (1932) Jansky
- (1995) Hajek
- (2047) Smetana
- (2281) Biela
More named asteroids discovered by L. Kohoutek
- (1834) Palach
- (1840) Hus
- (1841) Masaryk
- (1842) Hynek
- (1843) Jarmila
- (1861) Komensky
- (1865) Cerberus
- (1875) Neruda
- (1894) Haffner
- (1895) Larink
- (1896) Beer
- (1897) Hind
← (1898) Cowell · (1900) Katyusha →