(19126) Ottohahn Main-belt Asteroid
Discovered on 22 August 1987 by F. Borngen at Tautenburg.
Otto Hahn (1879-1968), chemistry Nobel Laureate in 1944, participated in the discovery of numerous radioactive elements and isotopes, as well as of the nuclear fission of uranium by neutron bombardment in 1938. As president of the Max-Planck-Gesellschaft during 1948-1960 he warned of the dangers of atomic energy.Naming citation (20010309/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ottohahn is today
Seen from above the solar system on 2026-10-14: Ottohahn is 2.59 au from the Sun and 3.54 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 19126 |
| Provisional designation | 1987 QW |
| Orbit class | Main-belt Asteroid |
| Rotation period | 32.3 hours |
| Absolute magnitude (H) | 14.33 |
| Orbital period | 4.04 years |
| Semi-major axis | 2.54 au |
| Perihelion – aphelion | 2.05 – 3.03 au |
| Eccentricity | 0.193 |
| Inclination | 12.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.08 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Otto
- (2108) Otto Schmidt
- (5664) Eugster
- (10782) Hittmair
- (10787) Ottoburkard
- (11537) Guericke
- (12197) Jan-Otto
- (13610) Lilienthal
- (14468) Ottostern
- (35239) Ottoseydl
- (126315) Blathy
- (190504) Hermanotto
- (359103) Ottopiene
All asteroids named after someone called Otto