(1405) Sibelius Main-belt Asteroid
Discovered on 12 September 1936 by Y. Vaisala at Turku.
Where Sibelius is today
Seen from above the solar system on 2026-10-14: Sibelius is 2.56 au from the Sun and 3.34 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1405 |
| Provisional designation | 1936 RE |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.81 km (#7,863 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.388 |
| Rotation period | 6.05 hours |
| Absolute magnitude (H) | 12.77 |
| Orbital period | 3.38 years |
| Semi-major axis | 2.25 au |
| Perihelion – aphelion | 1.92 – 2.58 au |
| Eccentricity | 0.146 |
| Inclination | 7.04° |
| Closest distance between its orbit and Earth's (MOID) | 0.947 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by Y. Vaisala
- (1391) Carelia
- (1398) Donnera
- (1406) Komppa
- (1407) Lindelof
- (1421) Esperanto
- (1424) Sundmania
- (1446) Sillanpaa
- (1447) Utra
- (1448) Lindbladia
- (1449) Virtanen
- (1450) Raimonda
- (1451) Grano
← (1404) Ajax · (1406) Komppa →