(23471) Kawatamasaaki Main-belt Asteroid
Discovered on 15 October 1990 by Endate, K., Watanabe, K. at Kitami.
Masaaki Kawata (b. 1964) is the director of the Oita Sekizaki Kaiseikan (Observatory and Museum). He makes nightly contributions to his local community by operating the observatory's 0.6-m reflector telescope and contributes to public outreach of astronomy.Naming citation (WGSBN Bull. 1, #1, 13), IAU / Minor Planet Center, via NASA/JPL
Where Kawatamasaaki is today
Seen from above the solar system on 2026-10-14: Kawatamasaaki is 1.96 au from the Sun and 1.44 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 23471 |
| Provisional designation | 1990 TH3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.62 km (#6,050 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0600 |
| Absolute magnitude (H) | 14.58 |
| Orbital period | 4.54 years |
| Semi-major axis | 2.74 au |
| Perihelion – aphelion | 1.93 – 3.55 au |
| Eccentricity | 0.296 |
| Inclination | 10.4° |
| Closest distance between its orbit and Earth's (MOID) | 0.951 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Masaaki
All asteroids named after someone called Masaaki
Also discovered on 15 October 1990
- (5187) Domon
- (5188) Paine
- (6905) Miyazaki
- (6964) Kunihiko
- (8274) Soejima
- (8660) Sano
- (9333) Hiraimasa
- (10318) Sumaura
- (10760) Ozeki
- (12706) Tanezaki
- (14395) Tommorgan
- (16503) Ayato