(15238) Hisaohori Main-belt Asteroid
Discovered on 2 February 1989 by T. Seki at Geisei.
Hisao Hori (b. 1968) was born in Niihama City, Ehime prefecture, He is an amateur astronomer and member of Shikoku Astronomical Society. He works for Anan Science Center and observes with its 1.13-meter reflector.Naming citation (20101128/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hisaohori is today
Seen from above the solar system on 2026-10-14: Hisaohori is 2.27 au from the Sun and 2.16 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15238 |
| Provisional designation | 1989 CQ |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.67 km (#15,917 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.357 |
| Absolute magnitude (H) | 15.05 |
| Orbital period | 3.45 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 2.11 – 2.46 au |
| Eccentricity | 0.0777 |
| Inclination | 3.88° |
| Closest distance between its orbit and Earth's (MOID) | 1.11 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 2 February 1989
- (4543) Phoinix
- (4836) Medon
- (5063) Monteverdi
- (6302) Tengukogen
- (6709) Hiromiyuki
- (7699) Bozek
- (8831) Brandstrom
- (9577) Gropius
- (11037) Distler
- (21022) Ike
- (22291) Heitifer
- (30798) Graubunden