(3620) Platonov Main-belt Asteroid
Discovered on 7 September 1981 by L. G. Karachkina at Nauchnyj.
Where Platonov is today
Seen from above the solar system on 2026-10-14: Platonov is 3.20 au from the Sun and 3.79 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3620 |
| Provisional designation | 1981 RU2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 12.7 km (#3,845 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.145 |
| Absolute magnitude (H) | 12.53 |
| Orbital period | 5.17 years |
| Semi-major axis | 2.99 au |
| Perihelion – aphelion | 2.66 – 3.32 au |
| Eccentricity | 0.111 |
| Inclination | 8.97° |
| Closest distance between its orbit and Earth's (MOID) | 1.68 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 7 September 1981
- (4071) Rostovdon
- (5199) Dortmund
- (6763) Kochiny
- (9532) Abramenko
- (10031) Vladarnolda
- (12214) Miroshnikov
- (14814) Gurij
- (42478) Inozemtseva
More named asteroids discovered by L. G. Karachkina
- (2892) Filipenko
- (3063) Makhaon
- (3068) Khanina
- (3215) Lapko
- (3286) Anatoliya
- (3345) Tarkovskij
- (3437) Kapitsa
- (3453) Dostoevsky
- (3469) Bulgakov
- (3508) Pasternak
- (3516) Rusheva
- (3623) Chaplin
← (3619) Nash · (3621) Curtis →