(8165) Gnadig Main-belt Asteroid
Discovered on 21 November 1990 by E. W. Elst at La Silla.
Named in honor of Arno Gnädig (b. 1956), German amateur astronomer and identifier of minor planets. This name was independently proposed by F. Borngen and L. D. Schmadel.Naming citation (19990402/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Gnadig is today
Seen from above the solar system on 2026-10-14: Gnadig is 2.38 au from the Sun and 3.24 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 8165 |
| Provisional designation | 1990 WQ3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.97 km (#10,665 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.351 |
| Rotation period | 6.30 hours |
| Absolute magnitude (H) | 13.67 |
| Orbital period | 3.45 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 1.80 – 2.76 au |
| Eccentricity | 0.212 |
| Inclination | 7.58° |
| Closest distance between its orbit and Earth's (MOID) | 0.781 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Arno
All asteroids named after someone called Arno
Also discovered on 21 November 1990
- (4719) Burnaby
- (6247) Amanogawa
- (8503) Masakatsu
- (9589) Deridder
- (10326) Kuragano
- (10327) Batens
- (12278) Kisohinoki
- (30835) Waterloo
- (48448) Tokuda