(1533) Saimaa Main-belt Asteroid
Discovered on 19 January 1939 by Y. Vaisala at Turku.
Where Saimaa is today
Seen from above the solar system on 2026-10-14: Saimaa is 3.04 au from the Sun and 2.33 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1533 |
| Provisional designation | 1939 BD |
| Orbit class | Main-belt Asteroid |
| Diameter | 24.3 km (#1,747 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.141 |
| Rotation period | 7.12 hours |
| Spectral type | S |
| Absolute magnitude (H) | 10.8 |
| Orbital period | 5.22 years |
| Semi-major axis | 3.01 au |
| Perihelion – aphelion | 2.88 – 3.13 au |
| Eccentricity | 0.0415 |
| Inclination | 10.7° |
| Closest distance between its orbit and Earth's (MOID) | 1.89 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 19 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
← (1532) Inari · (1534) Nasi →