(2292) Seili Main-belt Asteroid
Discovered on 7 September 1942 by Y. Vaisala at Turku.
Where Seili is today
Seen from above the solar system on 2026-10-14: Seili is 2.11 au from the Sun and 2.78 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2292 |
| Provisional designation | 1942 RM |
| Orbit class | Main-belt Asteroid |
| Diameter | 11.3 km (#4,394 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.242 |
| Rotation period | 5.12 hours |
| Absolute magnitude (H) | 11.85 |
| Orbital period | 4.24 years |
| Semi-major axis | 2.62 au |
| Perihelion – aphelion | 1.99 – 3.24 au |
| Eccentricity | 0.239 |
| Inclination | 14.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.01 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 7 September 1942
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
← (2291) Kevo · (2293) Guernica →