(22253) Sivers Main-belt Asteroid
Discovered on 26 September 1978 by L. V. Zhuravleva at Nauchnyj.
Yakov Efimovich Sivers (1731-1808) was an outstanding Russian statesman, governor of Novgorod province. As the founder and director of the Waterways Communications Department he made an invaluable contribution to navigation in Russia. In particular, he reconstructed the old canals between the Volga and Neva rivers.Naming citation (20090409/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Sivers is today
Seen from above the solar system on 2026-10-14: Sivers is 2.42 au from the Sun and 3.40 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22253 |
| Provisional designation | 1978 SU7 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.40 km (#9,883 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.234 |
| Absolute magnitude (H) | 13.53 |
| Orbital period | 4.12 years |
| Semi-major axis | 2.57 au |
| Perihelion – aphelion | 2.09 – 3.04 au |
| Eccentricity | 0.185 |
| Inclination | 15.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.13 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Yakov
All asteroids named after someone called Yakov
Also discovered on 26 September 1978
- (2702) Batrakov
- (2771) Polzunov
- (2890) Vilyujsk
- (2978) Roudebush
- (3039) Yangel
- (3190) Aposhanskij
- (3410) Vereshchagin
- (3558) Shishkin
- (3586) Vasnetsov
- (3600) Archimedes
- (3655) Eupraksia
- (3657) Ermolova