(12729) Berger Main-belt Asteroid
Discovered on 13 September 1991 by Borngen, F., Schmadel, L. D. at Tautenburg.
The German medical doctor Hans Berger (1873-1941) was professor of neurology and psychiatry in Jena. He invented the electroencephalograph, placing electrical recording equipment on the surface of the skull.Naming citation (20000523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Berger is today
Seen from above the solar system on 2026-10-14: Berger is 2.51 au from the Sun and 3.36 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12729 |
| Provisional designation | 1991 RL7 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 10.8 hours |
| Absolute magnitude (H) | 13.92 |
| Orbital period | 3.73 years |
| Semi-major axis | 2.41 au |
| Perihelion – aphelion | 2.30 – 2.51 au |
| Eccentricity | 0.0445 |
| Inclination | 11.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.31 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Hans
- (3692) Rickman
- (4991) Hansuess
- (5323) Fogh
- (5475) Hanskennedy
- (6847) Kunz-Hallstein
- (8122) Holbein
- (9562) Memling
- (9689) Freudenthal
- (10542) Ruckers
- (12672) Nygardh
- (13177) Hansschmidt
- (14025) Fallada
All asteroids named after someone called Hans
Also discovered on 13 September 1991
- (5338) Michelblanc
- (5628) Preussen
- (6044) Hammer-Purgstall
- (6966) Vietoris
- (7586) Bismarck
- (7767) Tomatic
- (7945) Kreisau
- (9761) Krautter
- (9762) Hermannhesse
- (9863) Reichardt
- (10096) Colleenohare
- (13531) Weizsacker