(2113) Ehrdni Main-belt Asteroid
Discovered on 11 September 1972 by N. S. Chernykh at Nauchnyj.
Named in memory of Ehrdni Tel'dzhievich Delikov (1922-1942), a hero from the Kalmyk S.S.R. who was killed in the Great Patriotic War (1941-1945).Naming citation (MPC 5283), IAU / Minor Planet Center, via NASA/JPL
Where Ehrdni is today
Seen from above the solar system on 2026-10-14: Ehrdni is 2.30 au from the Sun and 1.92 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2113 |
| Provisional designation | 1972 RJ2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.04 km (#7,591 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.238 |
| Rotation period | 13.2 hours |
| Absolute magnitude (H) | 12.84 |
| Orbital period | 3.89 years |
| Semi-major axis | 2.47 au |
| Perihelion – aphelion | 2.23 – 2.71 au |
| Eccentricity | 0.0969 |
| Inclination | 6.43° |
| Closest distance between its orbit and Earth's (MOID) | 1.23 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 11 September 1972
- (1907) Rudneva
- (1908) Pobeda
- (2164) Lyalya
- (2178) Kazakhstania
- (2238) Steshenko
- (7073) Rudbelia
- (7725) Sel'vinskij
- (22249) Dvorets Pionerov