(9105) Matsumura Main-belt Asteroid
Discovered on 2 January 1997 by T. Kobayashi at Oizumi.
Masafumi Matsumura (b. 1959), associate professor at Kagawa University, studies interstellar matter on the basis of optical polarimetry and on light scattering calculations. He also works for astronomy education.Naming citation (20030806/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Matsumura is today
Seen from above the solar system on 2026-10-14: Matsumura is 3.09 au from the Sun and 3.77 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9105 |
| Provisional designation | 1997 AU |
| Orbit class | Main-belt Asteroid |
| Rotation period | 4.77 hours |
| Absolute magnitude (H) | 14.05 |
| Orbital period | 4.90 years |
| Semi-major axis | 2.88 au |
| Perihelion – aphelion | 2.63 – 3.14 au |
| Eccentricity | 0.0870 |
| Inclination | 2.16° |
| Closest distance between its orbit and Earth's (MOID) | 1.63 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Masafumi
All asteroids named after someone called Masafumi
Also discovered on 2 January 1997
- (7504) Kawakita
- (8582) Kazuhisa
- (8735) Yoshiosakai
- (11140) Yakedake
- (12456) Genichiaraki
- (12464) Manhattan
- (12823) Pochintesta
- (16790) Yuuzou
- (35313) Hangtianyuan