(29373) Hamanowa Main-belt Asteroid
Discovered on 14 April 1996 by T. Okuni at Nanyo.
Hiromi Hamanowa (b. 1953) is a Japanese amateur astronomer. He has constructed an observatory at Kooriyama, Fukushima prefecture, and also designed a 0.4-m reflector. His photometric observations of minor planets with long rotation periods have benefited astronomers worldwide.Naming citation (20120406/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hamanowa is today
Seen from above the solar system on 2026-10-14: Hamanowa is 2.50 au from the Sun and 1.69 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 29373 |
| Provisional designation | 1996 GP2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.43 km (#14,161 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.287 |
| Absolute magnitude (H) | 14.63 |
| Orbital period | 3.64 years |
| Semi-major axis | 2.37 au |
| Perihelion – aphelion | 2.23 – 2.51 au |
| Eccentricity | 0.0596 |
| Inclination | 5.01° |
| Closest distance between its orbit and Earth's (MOID) | 1.23 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Hiromi
All asteroids named after someone called Hiromi