(11133) Kumotori Main-belt Asteroid
Discovered on 2 December 1996 by T. Kobayashi at Oizumi.
The highest peak in the Tokyo Metropolis, this 2017-m mountain is located at the boundary between Tokyo and Saitama prefecture. The picturesque view from the peak qualifies it as one of the 100 most celebrated mountains of Japan.Naming citation (20031110/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kumotori is today
Seen from above the solar system on 2026-10-14: Kumotori is 2.62 au from the Sun and 3.44 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11133 |
| Provisional designation | 1996 XY |
| Orbit class | Main-belt Asteroid |
| Rotation period | 4.63 hours |
| Absolute magnitude (H) | 13.75 |
| Orbital period | 4.63 years |
| Semi-major axis | 2.78 au |
| Perihelion – aphelion | 2.62 – 2.93 au |
| Eccentricity | 0.0552 |
| Inclination | 10.7° |
| Closest distance between its orbit and Earth's (MOID) | 1.61 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.