(23308) Niyomsatian Main-belt Asteroid
Discovered on 3 January 2001 by LINEAR at Socorro.
Korawich Niyomsatian (b. 1989) was awarded first place in the 2007 Intel International Science and Engineering Fair for his plant sciences team project. He also received the EU Contest for Young Scientists Award. He attends the Trium Udom Suksa School, Bangkok, Thailand.Naming citation (20070828/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Niyomsatian is today
Seen from above the solar system on 2026-10-14: Niyomsatian is 2.75 au from the Sun and 3.74 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 23308 |
| Provisional designation | 2001 AS21 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.71 km (#9,378 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0590 |
| Absolute magnitude (H) | 15.26 |
| Orbital period | 4.11 years |
| Semi-major axis | 2.57 au |
| Perihelion – aphelion | 2.39 – 2.75 au |
| Eccentricity | 0.0707 |
| Inclination | 3.98° |
| Closest distance between its orbit and Earth's (MOID) | 1.39 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.