(22249) Dvorets Pionerov Main-belt Asteroid
Discovered on 11 September 1972 by N. S. Chernykh at Nauchnyj.
Moscow City Palace of Youth Creativity (Dvorets pionerov) was founded in 1936. Nowadays some 15~000 children study annually in the Palace, where they are freely engaged in art and sport, scientific and technical creativity. Among its former pupils there are many well known sportsmen, actors and scientists.Naming citation (20070106/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Dvorets Pionerov is today
Seen from above the solar system on 2026-10-14: Dvorets Pionerov is 2.85 au from the Sun and 3.73 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22249 |
| Provisional designation | 1972 RF2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.54 km (#9,661 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0620 |
| Absolute magnitude (H) | 15.26 |
| Orbital period | 3.49 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 1.73 – 2.87 au |
| Eccentricity | 0.247 |
| Inclination | 3.86° |
| Closest distance between its orbit and Earth's (MOID) | 0.723 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
- (7725) Sel'vinskij