(5086) Demin Main-belt Asteroid
Discovered on 5 September 1978 by N. S. Chernykh at Nauchnyj.
Where Demin is today
Seen from above the solar system on 2026-10-14: Demin is 2.10 au from the Sun and 1.41 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5086 |
| Provisional designation | 1978 RH1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.24 km (#12,183 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.247 |
| Rotation period | 13.2 hours |
| Absolute magnitude (H) | 14.01 |
| Orbital period | 3.21 years |
| Semi-major axis | 2.18 au |
| Perihelion – aphelion | 1.93 – 2.43 au |
| Eccentricity | 0.114 |
| Inclination | 3.39° |
| Closest distance between its orbit and Earth's (MOID) | 0.916 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 5 September 1978
- (2610) Tuva
- (2859) Paganini
- (2969) Mikula
- (3072) Vilnius
- (4883) Korolirina
- (6576) Kievtech
- (6622) Matvienko
- (7453) Slovtsov
- (8322) Kononovich
- (8785) Boltwood
- (12189) Dovgyj
- (52231) Sitnik