(23950) Tsusakamoto Main-belt Asteroid
Discovered on 18 October 1998 by LONEOS at Anderson Mesa.
Tsuyoshi Sakamoto (b. 1975), a researcher at the Japan Spaceguard Association, has, since 2006, made astrometric observations of many asteroids at the Bisei Spaceguard Center. He has developed a cluster system for orbit determination, and a wide-field CCD survey camera.Naming citation (20120506/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tsusakamoto is today
Seen from above the solar system on 2026-10-14: Tsusakamoto is 2.23 au from the Sun and 1.79 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 23950 |
| Provisional designation | 1998 UM24 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.51 km (#13,926 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.328 |
| Absolute magnitude (H) | 14.43 |
| Orbital period | 4.11 years |
| Semi-major axis | 2.57 au |
| Perihelion – aphelion | 2.15 – 2.98 au |
| Eccentricity | 0.162 |
| Inclination | 8.89° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Tsuyoshi
All asteroids named after someone called Tsuyoshi
Also discovered on 18 October 1998
- (13367) Jiri
- (13368) Wlodekofman
- (13788) Dansolander
- (14624) Prymachenko
- (23955) Nishikota
- (27096) Jelenalane
- (42776) Casablanca