(24068) Simonsen Main-belt Asteroid
Discovered on 8 October 1999 by LINEAR at Socorro.
Larry Simonsen, Jr. mentored a finalist in the 2007 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. He teaches at the Hollenbeck Middle School, Math, Science, & Technology Magnet, Los Angeles, California.Naming citation (20071026/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Simonsen is today
Seen from above the solar system on 2026-10-14: Simonsen is 2.57 au from the Sun and 2.86 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 24068 |
| Provisional designation | 1999 TR156 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.64 km (#13,608 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.133 |
| Absolute magnitude (H) | 14.95 |
| Orbital period | 3.99 years |
| Semi-major axis | 2.52 au |
| Perihelion – aphelion | 2.17 – 2.86 au |
| Eccentricity | 0.136 |
| Inclination | 3.70° |
| Closest distance between its orbit and Earth's (MOID) | 1.18 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Larry
- (5992) Nittler
- (9069) Hovland
- (10274) Larryevans
- (12267) Denneau
- (12992) Crumpler
- (14598) Larrysmith
- (15548) Kalinowski
- (16920) Larrywalker
- (18739) Larryhu
- (18873) Larryrobinson
- (20032) McNish
- (20337) Naeve
All asteroids named after someone called Larry
Also discovered on 8 October 1999
- (16095) Lorenball
- (19707) Tokunai
- (20654) Ivaneder
- (42929) Francini
- (66667) Kambic
- (129955) Eriksyrstad
- (243637) Frosinone