(90953) Hideosaitou Main-belt Asteroid
Discovered on 7 November 1997 by T. Okuni at Nanyo.
Hideo Saitou (b. 1946) is the leader of activities of the Fukushima branch of the Japanese Young Astronauts Club, formed by the Japan Aerospace Exploration Agency.Naming citation (MPC batch dated 2015-01-05), IAU / Minor Planet Center, via NASA/JPL
Where Hideosaitou is today
Seen from above the solar system on 2026-10-14: Hideosaitou is 2.11 au from the Sun and 1.24 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 90953 |
| Provisional designation | 1997 VA9 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.48 km (#11,674 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0610 |
| Absolute magnitude (H) | 15.79 |
| Orbital period | 3.62 years |
| Semi-major axis | 2.36 au |
| Perihelion – aphelion | 1.92 – 2.80 au |
| Eccentricity | 0.185 |
| Inclination | 4.10° |
| Closest distance between its orbit and Earth's (MOID) | 0.943 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
- (9114) Hatakeyama
- (12003) Hideosugai
- (12047) Hideomitani
- (24816) Einagahideo
- (25143) Itokawa
All asteroids named after someone called Hideo