(9327) Duerbeck Main-belt Asteroid
Discovered on 26 September 1989 by E. W. Elst at La Silla.
Hilmar W. Duerbeck (b. 1948) is an astronomer working at Hoher List (Bonn), Münster (Westphalia) and Brussels. His research is primarily directed toward eclipsing binary and variable stars (dwarf novae). He is also author of the Reference Catalogue of Galactic Novae.Naming citation (WGSBN Bull. 3, #13, 9), IAU / Minor Planet Center, via NASA/JPL
Where Duerbeck is today
Seen from above the solar system on 2026-10-14: Duerbeck is 2.47 au from the Sun and 3.33 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9327 |
| Provisional designation | 1989 SW2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 13.8 km (#3,458 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0650 |
| Rotation period | 20.2 hours |
| Absolute magnitude (H) | 13.15 |
| Orbital period | 4.87 years |
| Semi-major axis | 2.87 au |
| Perihelion – aphelion | 2.45 – 3.30 au |
| Eccentricity | 0.147 |
| Inclination | 5.75° |
| Closest distance between its orbit and Earth's (MOID) | 1.45 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 26 September 1989
- (4798) Mercator
- (5351) Diderot
- (5873) Archilochos
- (6240) Lucretius Carus
- (6777) Balakirev
- (6826) Lavoisier
- (7056) Kierkegaard
- (7647) Etrepigny
- (7934) Sinatra
- (8488) d'Argens
- (8649) Juglans
- (8834) Anacardium