(27815) Katsuhito Main-belt Asteroid
Discovered on 16 September 1993 by Endate, K., Watanabe, K. at Kitami.
Katsuhito Nakajima (b. 1971) is a Japanese amateur astronomer and chief researcher of the Ginganomori Observatory in Rikubetsu Town, Hokkaido. He successfully photographed low-latitude aurora borealis in 2015 and 2023 from Rikubetsu at latitude 43°27′ N.Naming citation (WGSBN Bull. 4, #5, 5), IAU / Minor Planet Center, via NASA/JPL
Where Katsuhito is today
Seen from above the solar system on 2026-10-14: Katsuhito is 2.04 au from the Sun and 1.16 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 27815 |
| Provisional designation | 1993 SA1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.27 km (#8,552 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.103 |
| Absolute magnitude (H) | 14.2 |
| Orbital period | 4.14 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 1.85 – 3.30 au |
| Eccentricity | 0.281 |
| Inclination | 11.0° |
| Closest distance between its orbit and Earth's (MOID) | 0.874 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 16 September 1993
- (6923) Borzacchini
- (6980) Kyusakamoto
- (8040) Utsumikazuhiko
- (8194) Satake
- (10138) Ohtanihiroshi
- (10559) Yukihisa
- (10821) Kimuratakeshi
- (10822) Yasunori
- (10823) Sakaguchi
- (12357) Toyako
- (16644) Otemaedaigaku
- (19228) Uemuraikuo