(9114) Hatakeyama Main-belt Asteroid
Discovered on 12 February 1997 by T. Kobayashi at Oizumi.
Hideo Hatakeyama (b. 1955) is a first-class registered architect and also an amateur astronomer. His projects include the design of Japanese astronomical facilities, as well the architectural design of business complexes. He is also interested in understanding the mechanisms of solar activity.Naming citation (20100130/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hatakeyama is today
Seen from above the solar system on 2026-10-14: Hatakeyama is 2.56 au from the Sun and 3.11 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9114 |
| Provisional designation | 1997 CU19 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.48 km (#9,739 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0960 |
| Absolute magnitude (H) | 14.79 |
| Orbital period | 3.57 years |
| Semi-major axis | 2.34 au |
| Perihelion – aphelion | 2.07 – 2.60 au |
| Eccentricity | 0.112 |
| Inclination | 4.21° |
| Closest distance between its orbit and Earth's (MOID) | 1.09 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Hideo
- (4948) Hideonishimura
- (6902) Hideoasada
- (7442) Inouehideo
- (8036) Maehara
- (12003) Hideosugai
- (12047) Hideomitani
- (24816) Einagahideo
- (25143) Itokawa
- (90953) Hideosaitou
All asteroids named after someone called Hideo