(6612) Hachioji Main-belt Asteroid
Discovered on 10 March 1994 by Kushida, Y., Muramatsu, O. at Yatsugatake.
Located 50 km to the west of Tokyo, Hachioji is the city where the first discoverer was born and grew up. It was formerly “the silk and textile city”, but now that several colleges have been estabished or moved there it is called “the college city”.Naming citation (20020427/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hachioji is today
Seen from above the solar system on 2026-10-14: Hachioji is 2.78 au from the Sun and 2.11 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6612 |
| Provisional designation | 1994 EM1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.75 km (#11,118 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.342 |
| Absolute magnitude (H) | 13.72 |
| Orbital period | 3.77 years |
| Semi-major axis | 2.42 au |
| Perihelion – aphelion | 2.06 – 2.78 au |
| Eccentricity | 0.148 |
| Inclination | 3.84° |
| Closest distance between its orbit and Earth's (MOID) | 1.05 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.