(10077) Raykoenig Main-belt Asteroid
Discovered on 26 October 1989 by Ueda, S., Kaneda, H. at Kushiro.
Raymond (Ray) Koenig (1930–2007) began the Physics Department at Wilfrid Laurier University in Waterloo, Canada, in 1963, and dedicated his life to teaching Physics and Astronomy. He was a founding member of the Royal Astronomical Society of Canada, Kitchener-Waterloo Centre.Naming citation (WGSBN Bull. 1, #12, 7), IAU / Minor Planet Center, via NASA/JPL
Where Raykoenig is today
Seen from above the solar system on 2026-10-14: Raykoenig is 2.44 au from the Sun and 1.64 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10077 |
| Provisional designation | 1989 UL1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 13.17 |
| Orbital period | 4.10 years |
| Semi-major axis | 2.56 au |
| Perihelion – aphelion | 2.28 – 2.85 au |
| Eccentricity | 0.111 |
| Inclination | 10.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.29 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.