(12423) Slotin Main-belt Asteroid
Discovered on 17 October 1995 by Spacewatch at Kitt Peak.
As a result of an accident on 1946 May 21 at the Los Alamos laboratory, Louis Alexander Slotin (1910-1946) received a lethal dose of radiation. He bravely insisted that doctors monitor his deteriorating health during his final nine days.Naming citation (20020427/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Slotin is today
Seen from above the solar system on 2026-10-14: Slotin is 2.65 au from the Sun and 3.59 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12423 |
| Provisional designation | 1995 UQ16 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.33 km (#11,990 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.260 |
| Absolute magnitude (H) | 14.05 |
| Orbital period | 4.14 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.14 – 3.02 au |
| Eccentricity | 0.171 |
| Inclination | 4.84° |
| Closest distance between its orbit and Earth's (MOID) | 1.12 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 17 October 1995
- (8564) Anomalocaris
- (13158) Carcano
- (13624) Abeosamu
- (15845) Bambi
- (22413) Haifu
- (22414) Hornschemeier
- (39653) Carnera
- (39655) Muneharuasada
- (48640) Eziobosso
- (48650) Kazanuniversity