(7725) Sel'vinskij Main-belt Asteroid
Discovered on 11 September 1972 by N. S. Chernykh at Nauchnyj.
Named in memory of Ilʹya Lʹvovich Selʹvinskij (1899–1968), poet and publicist, born in the Crimea. As a journalist, he witnessed and participated in many events in the history of the U.S.S.R. and he depicted these events in his poetical works.Naming citation (WGSBN Bull. 6, #10, 6), IAU / Minor Planet Center, via NASA/JPL
Where Sel'vinskij is today
Seen from above the solar system on 2026-10-14: Sel'vinskij is 2.18 au from the Sun and 2.27 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7725 |
| Provisional designation | 1972 RX1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.91 km (#5,154 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0430 |
| Rotation period | 24.9 hours |
| Absolute magnitude (H) | 14.32 |
| Orbital period | 3.81 years |
| Semi-major axis | 2.44 au |
| Perihelion – aphelion | 2.00 – 2.88 au |
| Eccentricity | 0.181 |
| Inclination | 4.01° |
| Closest distance between its orbit and Earth's (MOID) | 1.01 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 11 September 1972
- (1907) Rudneva
- (1908) Pobeda
- (2113) Ehrdni
- (2164) Lyalya
- (2178) Kazakhstania
- (2238) Steshenko
- (7073) Rudbelia
- (22249) Dvorets Pionerov