(11815) Viikinkoski Main-belt Asteroid
Discovered on 2 March 1981 by S. J. Bus at Siding Spring.
Matti Viikinkoski (b. 1976) is a postdoctoral researcher at the Tampere University of Technology (Finland) who develops mathematical methods and algorithms for asteroid shape and spin modeling.Naming citation (MPC batch dated 2017-03-12), IAU / Minor Planet Center, via NASA/JPL
Where Viikinkoski is today
Seen from above the solar system on 2026-10-14: Viikinkoski is 2.95 au from the Sun and 3.89 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11815 |
| Provisional designation | 1981 EG31 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.05 |
| Orbital period | 4.15 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.14 – 3.02 au |
| Eccentricity | 0.170 |
| Inclination | 3.48° |
| Closest distance between its orbit and Earth's (MOID) | 1.13 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 2 March 1981
- (2884) Reddish
- (2919) Dali
- (2980) Cameron
- (2981) Chagall
- (2990) Trimberger
- (3000) Leonardo
- (3121) Tamines
- (3122) Florence
- (3207) Spinrad
- (3252) Johnny
- (3304) Pearce
- (3524) Schulz