(22912) Noraxu Main-belt Asteroid
Discovered on 4 October 1999 by LINEAR at Socorro.
Nora Xu (b. 1989) is a finalist in the 2007 Intel Science Talent Search (STS), a science competition for high school seniors, for her physics project. She attends the Illinois Mathematics and Science Academy, Aurora, Illinois.Naming citation (20070303/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Noraxu is today
Seen from above the solar system on 2026-10-14: Noraxu is 2.60 au from the Sun and 3.52 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22912 |
| Provisional designation | 1999 TF31 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.18 |
| Orbital period | 4.16 years |
| Semi-major axis | 2.59 au |
| Perihelion – aphelion | 2.18 – 2.99 au |
| Eccentricity | 0.156 |
| Inclination | 7.27° |
| Closest distance between its orbit and Earth's (MOID) | 1.21 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 4 October 1999
- (13407) Ikukomakino
- (15093) Lestermackey
- (15509) Annejing
- (15510) Phoeberounds
- (16088) Jessgoldstein
- (17179) Codina
- (20626) Rider-Stokes
- (20638) Lingchen
- (20639) Michellouie
- (20641) Yenuanchen
- (20642) Laurajohnson
- (21804) Vaclavneumann