(52455) Masamika Main-belt Asteroid
Discovered on 6 January 1995 by T. Seki at Geisei.
Masa-aki Takanashi (1959-2001) was an active member of the Gotemba Astronomical Circle and the Nippon Meteor Society. With his wife Mika he was devoted to the popularization of astronomy and meteor observations.Naming citation (20040107/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Masamika is today
Seen from above the solar system on 2026-10-14: Masamika is 2.08 au from the Sun and 1.57 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 52455 |
| Provisional designation | 1995 AD1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.03 km (#12,675 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.228 |
| Absolute magnitude (H) | 14.6 |
| Orbital period | 4.02 years |
| Semi-major axis | 2.53 au |
| Perihelion – aphelion | 2.02 – 3.04 au |
| Eccentricity | 0.201 |
| Inclination | 18.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.03 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 6 January 1995
- (6346) Syukumeguri
- (6991) Chichibu
- (7353) Kazuya
- (8045) Kamiyama
- (14495) Kazuakiwatanabe
- (29337) Hakurojo