(322390) Planes de Son Outer Main-belt Asteroid
Discovered on 9 June 2004 by Spacewatch at Kitt Peak.
Les Planes de Son is a 1500-m-high plateau in the Catalan Pyrenees. It is the location of a facility used for both environmental education and research. The astronomical observatory, where this minor planet was rediscovered, combines scientific programs with activities for the general public and schools.Naming citation (20120703/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Planes de Son is today
Seen from above the solar system on 2026-10-14: Planes de Son is 3.50 au from the Sun and 4.46 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 322390 |
| Provisional designation | 2011 QN42 |
| Orbit class | Outer Main-belt Asteroid |
| Absolute magnitude (H) | 15.83 |
| Orbital period | 5.80 years |
| Semi-major axis | 3.23 au |
| Perihelion – aphelion | 2.90 – 3.56 au |
| Eccentricity | 0.101 |
| Inclination | 5.64° |
| Closest distance between its orbit and Earth's (MOID) | 1.89 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Les
All asteroids named after someone called Les