(20210) Athanasopoulos Main-belt Asteroid
Discovered on 2 April 1997 by LINEAR at Socorro.
Dimitrios Athanasopoulos (b. 1995) is a Greek astronomer specializing in astronomical observations and the rotational properties of small Solar System bodies. His work has significantly advanced the understanding of ancient asteroids, contributing to studies of their evolution and long-term physical behavior.Naming citation (WGSBN Bull. 6, #11, 10), IAU / Minor Planet Center, via NASA/JPL
Where Athanasopoulos is today
Seen from above the solar system on 2026-10-14: Athanasopoulos is 2.61 au from the Sun and 2.08 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20210 |
| Provisional designation | 1997 GQ7 |
| Orbit class | Main-belt Asteroid |
| Diameter | 19.7 km (#2,238 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0600 |
| Rotation period | 10.3 hours |
| Absolute magnitude (H) | 12.44 |
| Orbital period | 4.62 years |
| Semi-major axis | 2.77 au |
| Perihelion – aphelion | 2.34 – 3.21 au |
| Eccentricity | 0.157 |
| Inclination | 15.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.35 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Dimitrios
All asteroids named after someone called Dimitrios
Also discovered on 2 April 1997
- (9442) Beiligong
- (15891) Alissazhang
- (18564) Caseyo
- (20211) Joycegates
- (24926) Jinpan
- (26940) Quintero
- (27930) Nakamatsu
- (27931) Zeitlin-Trinkle
- (27932) Leonyao
- (37764) Omirika
- (100553) Dariofo