(23173) Hideaki Main-belt Asteroid
Discovered on 24 April 2000 by LONEOS at Anderson Mesa.
Hideaki Miyamoto (b. 1970) is a planetary scientist at the University of Tokyo. As a member of the Hayabusa mission, he analyzed the surface geology of asteroid Itokawa, especially regolith transport processes.Naming citation (20120506/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hideaki is today
Seen from above the solar system on 2026-10-14: Hideaki is 2.57 au from the Sun and 3.41 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 23173 |
| Provisional designation | 2000 HF26 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.15 km (#12,375 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.235 |
| Absolute magnitude (H) | 14.47 |
| Orbital period | 4.52 years |
| Semi-major axis | 2.73 au |
| Perihelion – aphelion | 2.57 – 2.90 au |
| Eccentricity | 0.0599 |
| Inclination | 12.8° |
| Closest distance between its orbit and Earth's (MOID) | 1.61 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 24 April 2000
- (15630) Disanti
- (15631) Dellorusso
- (26636) Ericabroman
- (27520) Rounds
- (27521) Josschindler
- (28769) Elisabethadams
- (28788) Hayes-Gehrke
- (30254) Kaminski
- (30255) Bohner
- (30278) Gazeas
- (30279) Binnie
- (30280) Raderlane