(21054) Ojmjakon Main-belt Asteroid
Discovered on 15 November 1990 by E. W. Elst at La Silla.
The coldest city on earth, Ojmjakon, lies in the Republic of Yakutia (Siberia, Russia), in the valley of the upper Indigirka river, at 740 meters above sea level. With an average temperature of –48°C in January, it has a lowest record of –70°C.Naming citation (WGSBN Bull. 3, #13, 13), IAU / Minor Planet Center, via NASA/JPL
Where Ojmjakon is today
Seen from above the solar system on 2026-10-14: Ojmjakon is 2.84 au from the Sun and 1.89 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21054 |
| Provisional designation | 1990 VL5 |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.5 km (#4,803 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.145 |
| Absolute magnitude (H) | 12.67 |
| Orbital period | 5.23 years |
| Semi-major axis | 3.01 au |
| Perihelion – aphelion | 2.71 – 3.31 au |
| Eccentricity | 0.1000 |
| Inclination | 11.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.70 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 15 November 1990
- (5827) Letunov
- (5966) Tomeko
- (7469) Krikalev
- (7651) Villeneuve
- (8849) Brighton
- (8850) Bignonia
- (9176) Struchkova
- (9951) Tyrannosaurus
- (10092) Sasaki
- (10770) Belo Horizonte
- (10771) Ouro Preto
- (11051) Racine