(13209) Arnhem Main-belt Asteroid
Discovered on 9 April 1997 by E. W. Elst at La Silla.
Arnhem, a name derived from the presence of eagles, is a city near the Rhine river in the eastern part of the Netherlands. It is famous for archaeological evidence of human activity there in the Stone Age, some 70~000 years ago.Naming citation (20100527/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Arnhem is today
Seen from above the solar system on 2026-10-14: Arnhem is 2.61 au from the Sun and 2.41 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13209 |
| Provisional designation | 1997 GQ41 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 9.68 hours |
| Absolute magnitude (H) | 14.79 |
| Orbital period | 3.54 years |
| Semi-major axis | 2.32 au |
| Perihelion – aphelion | 2.03 – 2.61 au |
| Eccentricity | 0.125 |
| Inclination | 2.55° |
| Closest distance between its orbit and Earth's (MOID) | 1.05 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.