(5851) Inagawa Main-belt Asteroid
Discovered on 23 February 1991 by Inoda, S., Urata, T. at Karasuyama.
Inagawa is a scenic town in Hyogo prefecture. At the Inagawa Observatory, on Mount Oyasan, there is a 0.50-m Cassegrain telescope that is used by many local citizens. The name was suggested by Y. Yamada.Naming citation (20090806/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Inagawa is today
Seen from above the solar system on 2026-10-14: Inagawa is 2.64 au from the Sun and 1.73 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5851 |
| Provisional designation | 1991 DM1 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 368 hours |
| Absolute magnitude (H) | 12.46 |
| Orbital period | 4.19 years |
| Semi-major axis | 2.60 au |
| Perihelion – aphelion | 2.14 – 3.06 au |
| Eccentricity | 0.176 |
| Inclination | 13.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.