(22951) Okabekazuko Main-belt Asteroid
Discovered on 4 October 1999 by LONEOS at Anderson Mesa.
Kazuko Okabe (b. 1972), of the Japan Aerospace Exploration Agency, is the secretary of Junichiro Kawaguchi, project manager for the Hayabusa mission.Naming citation (20120506/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Okabekazuko is today
Seen from above the solar system on 2026-10-14: Okabekazuko is 2.88 au from the Sun and 2.56 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22951 |
| Provisional designation | 1999 TA243 |
| Orbit class | Main-belt Asteroid |
| Diameter | 13.8 km (#3,442 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0440 |
| Absolute magnitude (H) | 13.57 |
| Orbital period | 5.62 years |
| Semi-major axis | 3.16 au |
| Perihelion – aphelion | 2.85 – 3.47 au |
| Eccentricity | 0.0989 |
| Inclination | 13.7° |
| Closest distance between its orbit and Earth's (MOID) | 1.89 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Kazuko
All asteroids named after someone called Kazuko
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