(12211) Arnoschmidt Main-belt Asteroid
Discovered on 28 May 1981 by H.-E. Schuster at La Silla.
Among the works of German writer Arno Schmidt (1914-1979) are Leviathan (1949), Die Gelehrtenrepublik (1957), Kaff auch Mare Crisium (1960) and the monumental Zettels Traum (1970), novels full of wordplay, allusion and references to astronomical topics. The name was suggested by H. W. Duerbeck.Naming citation (20040928/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Arnoschmidt is today
Seen from above the solar system on 2026-10-14: Arnoschmidt is 2.81 au from the Sun and 1.98 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12211 |
| Provisional designation | 1981 KJ |
| Orbit class | Main-belt Asteroid |
| Diameter | 16.2 km (#2,835 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0670 |
| Rotation period | 3.96 hours |
| Absolute magnitude (H) | 12.91 |
| Orbital period | 5.51 years |
| Semi-major axis | 3.12 au |
| Perihelion – aphelion | 2.63 – 3.61 au |
| Eccentricity | 0.157 |
| Inclination | 15.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.67 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