(5199) Dortmund Main-belt Asteroid
Discovered on 7 September 1981 by L. G. Karachkina at Nauchnyj.
Where Dortmund is today
Seen from above the solar system on 2026-10-14: Dortmund is 2.60 au from the Sun and 3.54 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5199 |
| Provisional designation | 1981 RP2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.76 km (#5,955 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.452 |
| Absolute magnitude (H) | 12.13 |
| Orbital period | 4.24 years |
| Semi-major axis | 2.62 au |
| Perihelion – aphelion | 2.15 – 3.09 au |
| Eccentricity | 0.180 |
| Inclination | 12.3° |
| 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 discovered on 7 September 1981
- (3620) Platonov
- (4071) Rostovdon
- (6763) Kochiny
- (9532) Abramenko
- (10031) Vladarnolda
- (12214) Miroshnikov
- (14814) Gurij
- (42478) Inozemtseva