(573731) Matsnev Main-belt Asteroid
Discovered on 23 September 2009 by B. Satovski T. V. Kryachko at Zelenchukskaya Station.
Dmitrii Vladimirovich Matsnev (b. 1971) is a Russian astronomer who studies variable stars and is an astroarchaeologist. He is also a talented artist, musician and poet. Dmitrii is the head of the planetarium in St. Petersburg's Catherine Park and is a lecturer at the Russian State University for the Humanities.Naming citation (WGSBN Bull. 5, #1, 21), IAU / Minor Planet Center, via NASA/JPL
Where Matsnev is today
Seen from above the solar system on 2026-10-14: Matsnev is 2.48 au from the Sun and 2.77 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 573731 |
| Provisional designation | 2009 SE101 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.74 |
| Orbital period | 4.05 years |
| Semi-major axis | 2.54 au |
| Perihelion – aphelion | 2.11 – 2.97 au |
| Eccentricity | 0.169 |
| Inclination | 15.9° |
| 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 Dmitrii
All asteroids named after someone called Dmitrii
Also discovered on 23 September 2009
- (264061) Vitebsk
- (296638) Sergeibelov
- (356217) Clymene
- (369297) Nazca
- (429120) Mikhaillavrov
- (549418) Andreifesenko