(11434) Lohnert Main-belt Asteroid
Discovered on 10 October 1931 by K. Reinmuth at Heidelberg.
Karl Julius Lohnert (1885-1944) worked from 1905 to 1907 as an assistant of Max Wolf and discovered four now-numbered minor planets. Lohnert studied psychology in Leipzig and earned his doctorate under Wilhelm Wundt, honoring his mentor by the naming of (635) Vundtia. Name proposed by L. D. Schmadel.Naming citation (20110615/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Lohnert is today
Seen from above the solar system on 2026-10-14: Lohnert is 1.97 au from the Sun and 1.45 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11434 |
| Provisional designation | 1931 TC2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.64 km (#5,315 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.100 |
| Rotation period | 16.4 hours |
| Absolute magnitude (H) | 13.52 |
| Orbital period | 4.54 years |
| Semi-major axis | 2.74 au |
| Perihelion – aphelion | 1.97 – 3.51 au |
| Eccentricity | 0.283 |
| Inclination | 8.73° |
| Closest distance between its orbit and Earth's (MOID) | 0.957 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Karl
- (1690) Mayrhofer
- (4463) Marschwarzschild
- (5171) Augustesen
- (6059) Diefenbach
- (6597) Kreil
- (6712) Hornstein
- (10099) Glazebrook
- (13816) Stulpner
- (13977) Frisch
- (14014) Munchhausen
- (14100) Weierstrass
- (15728) Karlmay
All asteroids named after someone called Karl
Also discovered on 10 October 1931
- (1231) Auricula
- (1232) Cortusa
- (1233) Kobresia
- (1271) Isergina
- (1272) Gefion
- (2855) Bastian
- (3144) Brosche