(22739) Sikhote-Alin Main-belt Asteroid
Discovered on 18 September 1998 by E. W. Elst at La Silla.
The Sikhote-Alin is a mountain range in eastern Siberia, extending about 900 km to the Russian Pacific. On 1947 February 12, a large object exploded in the atmosphere over the range, resulting in the fall of many tons of metallic meteorites.Naming citation (MPC batch dated 2013-10-18), IAU / Minor Planet Center, via NASA/JPL
Where Sikhote-Alin is today
Seen from above the solar system on 2026-10-14: Sikhote-Alin is 2.88 au from the Sun and 3.55 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22739 |
| Provisional designation | 1998 SA144 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.27 km (#12,112 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.243 |
| Rotation period | 20.8 hours |
| Absolute magnitude (H) | 14.38 |
| Orbital period | 4.99 years |
| Semi-major axis | 2.92 au |
| Perihelion – aphelion | 2.76 – 3.09 au |
| Eccentricity | 0.0570 |
| Inclination | 2.25° |
| Closest distance between its orbit and Earth's (MOID) | 1.76 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 18 September 1998
- (9812) Danco
- (11384) Sartre
- (13325) Valerienataf
- (13352) Gyssens
- (13740) Lastrucci
- (13772) Livius
- (14143) Hadfield
- (14612) Irtish
- (19517) Robertocarlos
- (23880) Tongil
- (23888) Daikinoshita
- (25131) Katiemelua