(6619) Kolya Main-belt Asteroid
Discovered on 27 September 1973 by L. I. Chernykh at Nauchnyj.
Nikolaj Stepanovich Chernykh (1931-2004) was chief, beginning in 1965, of the CrAO-ITA group of observers of minor planets. He himself discovered 536 minor planets and two comets, and he participated in astronomical observations of distant spacecraft and laser ranging of the moon.Naming citation (20050721/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kolya is today
Seen from above the solar system on 2026-10-14: Kolya is 2.96 au from the Sun and 3.95 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6619 |
| Provisional designation | 1973 SS4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 29.5 km (#1,390 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0560 |
| Rotation period | 10.5 hours |
| Absolute magnitude (H) | 11.74 |
| Orbital period | 5.65 years |
| Semi-major axis | 3.17 au |
| Perihelion – aphelion | 2.59 – 3.76 au |
| Eccentricity | 0.185 |
| Inclination | 19.1° |
| Closest distance between its orbit and Earth's (MOID) | 1.67 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Nikolaj
- (2233) Kuznetsov
- (2238) Steshenko
- (2342) Lebedev
- (3958) Komendantov
- (4067) Mikhel'son
- (4208) Kiselev
- (4233) Pal'chikov
- (4654) Gor'kavyj
- (5075) Goryachev
- (5087) Emel'yanov
- (5158) Ogarev
- (6483) Nikolajvasil'ev
All asteroids named after someone called Nikolaj
Also discovered on 27 September 1973
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- (2205) Glinka
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- (4304) Geichenko
- (4682) Bykov
- (9514) Deineka
- (24604) Vasilermakov