(18412) Kruszelnicki Main-belt Asteroid
Discovered on 13 June 1993 by R. H. McNaught at Siding Spring.
Karl Kruszelnicki (b. 1948) is an Australian science communicator. For over 30 years he has presented science talkback radio, has been a regular on television and stage, and is one of the “The Sleek Geeks” science comedy duo. He is a Julius Sumner Miller Fellow at the School of Physics, University of Sydney.Naming citation (20120406/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kruszelnicki is today
Seen from above the solar system on 2026-10-14: Kruszelnicki is 3.26 au from the Sun and 2.67 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18412 |
| Provisional designation | 1993 LX |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.09 km (#8,785 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.208 |
| Rotation period | 2.72 hours |
| Absolute magnitude (H) | 13.8 |
| Orbital period | 5.29 years |
| Semi-major axis | 3.04 au |
| Perihelion – aphelion | 2.76 – 3.31 au |
| Eccentricity | 0.0907 |
| Inclination | 11.7° |
| Closest distance between its orbit and Earth's (MOID) | 1.79 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
- (11434) Lohnert
- (13816) Stulpner
- (13977) Frisch
- (14014) Munchhausen
- (14100) Weierstrass
All asteroids named after someone called Karl