(6405) Komiyama Main-belt Asteroid
Discovered on 30 April 1992 by Kushida, Y., Muramatsu, O. at Yatsugatake.
Fukuji Komiyama (b. 1924) is a Japanese agriculture and forestry technician. His long-time support has contributed greatly to the Yatsugatake South Base Observatory and its work.Naming citation (20020526/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Komiyama is today
Seen from above the solar system on 2026-10-14: Komiyama is 2.02 au from the Sun and 2.45 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6405 |
| Provisional designation | 1992 HJ |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.53 km (#8,213 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.263 |
| Rotation period | 19.9 hours |
| Absolute magnitude (H) | 13.4 |
| Orbital period | 3.41 years |
| Semi-major axis | 2.26 au |
| Perihelion – aphelion | 1.99 – 2.54 au |
| Eccentricity | 0.121 |
| Inclination | 4.77° |
| Closest distance between its orbit and Earth's (MOID) | 0.980 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.