(1929) Kollaa Main-belt Asteroid
Discovered on 20 January 1939 by Y. Vaisala at Turku.
Named for a river in Karelia, scene of violent battles during the Finnish winter war.Naming citation (MPC 5450), IAU / Minor Planet Center, via NASA/JPL
Where Kollaa is today
Seen from above the solar system on 2026-10-14: Kollaa is 2.25 au from the Sun and 3.24 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1929 |
| Provisional designation | 1939 BS |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.77 km (#6,806 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.393 |
| Rotation period | 2.99 hours |
| Spectral type | V |
| Absolute magnitude (H) | 12.9 |
| Orbital period | 3.63 years |
| Semi-major axis | 2.36 au |
| Perihelion – aphelion | 2.18 – 2.54 au |
| Eccentricity | 0.0759 |
| Inclination | 7.77° |
| Closest distance between its orbit and Earth's (MOID) | 1.21 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 20 January 1939
More named asteroids discovered by Y. Vaisala
- (1391) Carelia
- (1398) Donnera
- (1405) Sibelius
- (1406) Komppa
- (1407) Lindelof
- (1421) Esperanto
- (1424) Sundmania
- (1446) Sillanpaa
- (1447) Utra
- (1448) Lindbladia
- (1449) Virtanen
- (1450) Raimonda
← (1928) Summa · (1930) Lucifer →