(2803) Vilho Main-belt Asteroid
Discovered on 29 November 1940 by L. Oterma at Turku.
Where Vilho is today
Seen from above the solar system on 2026-10-14: Vilho is 3.52 au from the Sun and 4.52 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2803 |
| Provisional designation | 1940 WG |
| Orbit class | Main-belt Asteroid |
| Diameter | 21.4 km (#2,028 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0730 |
| Rotation period | 12.5 hours |
| Absolute magnitude (H) | 12.02 |
| Orbital period | 5.56 years |
| Semi-major axis | 3.14 au |
| Perihelion – aphelion | 2.57 – 3.70 au |
| Eccentricity | 0.181 |
| Inclination | 1.33° |
| Closest distance between its orbit and Earth's (MOID) | 1.58 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 29 November 1940
More named asteroids discovered by L. Oterma
- (1504) Lappeenranta
- (1507) Vaasa
- (1522) Kokkola
- (1540) Kevola
- (1544) Vinterhansenia
- (1545) Thernoe
- (1558) Jarnefelt
- (1559) Kustaanheimo
- (1679) Nevanlinna
- (1680) Per Brahe
- (1695) Walbeck
- (1705) Tapio
← (2802) Weisell · (2804) Yrjo →