(23981) Patjohnson Main-belt Asteroid
Discovered on 9 June 1999 by LINEAR at Socorro.
Patricia Johnson mentored a finalist in the 2007 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. She teaches at the St. Paul's School, Clearwater, Florida.Naming citation (20071026/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Patjohnson is today
Seen from above the solar system on 2026-10-14: Patjohnson is 2.46 au from the Sun and 3.45 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 23981 |
| Provisional designation | 1999 LC4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.50 km (#16,253 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.257 |
| Rotation period | 155 hours |
| Absolute magnitude (H) | 14.73 |
| Orbital period | 3.50 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 2.12 – 2.49 au |
| Eccentricity | 0.0794 |
| Inclination | 6.92° |
| Closest distance between its orbit and Earth's (MOID) | 1.14 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Patricia
- (22582) Patmiller
- (23041) Hunt
- (26268) Nardi
- (27277) Pattybrown
- (30347) Pattyhunt
- (44027) Termain
- (44167) Patriciaquinn
- (77696) Patriciann
- (155290) Anniegrauer
- (290180) Pattiekletter
- (333502) Candelaria
- (348383) Petibon
All asteroids named after someone called Patricia
Also discovered on 9 June 1999
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- (17162) Nithinkavi
- (17163) Vasifedoseev
- (19573) Cummings
- (19574) Davidedwards
- (19575) Feeny
- (19577) Bobbyfisher
- (20454) Pedrajo
- (20455) Pennell
- (20458) Koshkin
- (20459) Krzysztoflangner
- (21622) Victorshia