(13031) Durance Main-belt Asteroid
Discovered on 26 September 1989 by E. W. Elst at La Silla.
The Durance, a river in southeastern France, has its source in the Alps. Flowing through the départements of Haute-Alpes, Haute-Provence and Vaucluse, it passes the cities of Sisteron, Manosque and Cavaillon, finally meeting the Rhône river near Avignon.Naming citation (WGSBN Bull. 4, #10, 7), IAU / Minor Planet Center, via NASA/JPL
Where Durance is today
Seen from above the solar system on 2026-10-14: Durance is 2.73 au from the Sun and 2.22 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13031 |
| Provisional designation | 1989 SN4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.46 km (#8,294 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.202 |
| Absolute magnitude (H) | 13.56 |
| Orbital period | 4.19 years |
| Semi-major axis | 2.60 au |
| Perihelion – aphelion | 2.26 – 2.94 au |
| Eccentricity | 0.132 |
| Inclination | 4.25° |
| Closest distance between its orbit and Earth's (MOID) | 1.25 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