(32815) Mitsufumi Main-belt Asteroid
Discovered on 14 April 1991 by Endate, K., Watanabe, K. at Kitami.
Mitsufumi Nishimura (b. 1979) is a specialist in astronomical telescope design. He was one of the designers of the 1-m and 6.5-m telescopes installed at the University of Tokyo Atacama Observatory in Chile, which were completed in April 2024.Naming citation (WGSBN Bull. 5, #9, 18), IAU / Minor Planet Center, via NASA/JPL
Where Mitsufumi is today
Seen from above the solar system on 2026-10-14: Mitsufumi is 2.73 au from the Sun and 2.47 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 32815 |
| Provisional designation | 1991 GK1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.98 km (#7,677 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0610 |
| Absolute magnitude (H) | 14.68 |
| Orbital period | 3.79 years |
| Semi-major axis | 2.43 au |
| Perihelion – aphelion | 2.13 – 2.74 au |
| Eccentricity | 0.126 |
| Inclination | 3.35° |
| Closest distance between its orbit and Earth's (MOID) | 1.14 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 14 April 1991
More named asteroids discovered by Endate, K., Watanabe, K.
- (4042) Okhotsk
- (4126) Mashu
- (4460) Bihoro
- (4491) Otaru
- (4497) Taguchi
- (4508) Takatsuki
- (4547) Massachusetts
- (4585) Ainonai
- (4607) Seilandfarm
- (4641) Ayako
- (4712) Iwaizumi
- (4773) Hayakawa
← (32811) Apisaon · (32821) Posch →