(11146) Kirigamine Main-belt Asteroid
Discovered on 23 November 1997 by T. Kobayashi at Oizumi.
Kirigamine, one of the 100 most celebrated mountains of Japan, is the general name of several gradual peaks located in the middle of Japan. The area has some plateaus and marshes. It is surrounded by beautiful mountains and has nice views.Naming citation (20051215/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kirigamine is today
Seen from above the solar system on 2026-10-14: Kirigamine is 2.87 au from the Sun and 2.74 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11146 |
| Provisional designation | 1997 WD3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.24 km (#7,383 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.280 |
| Rotation period | 2.90 hours |
| Absolute magnitude (H) | 13.02 |
| Orbital period | 4.77 years |
| Semi-major axis | 2.83 au |
| Perihelion – aphelion | 2.79 – 2.88 au |
| Eccentricity | 0.0162 |
| Inclination | 3.20° |
| Closest distance between its orbit and Earth's (MOID) | 1.78 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.