(11155) Kinpu Main-belt Asteroid
Discovered on 31 December 1997 by T. Kobayashi at Oizumi.
Kinpu, one of the 100 most celebrated mountains of Japan, is located in the Oku-Chichibu area. From its 2595-m peak the view is beautiful. Kinpu presents a gentle mountainous profile, and a characteristic projection made by a large rock is known as Gojo-iwa.Naming citation (20060413/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kinpu is today
Seen from above the solar system on 2026-10-14: Kinpu is 2.23 au from the Sun and 2.99 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11155 |
| Provisional designation | 1997 YW13 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.78 km (#7,899 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.127 |
| Rotation period | 6.89 hours |
| Absolute magnitude (H) | 13.65 |
| Orbital period | 3.46 years |
| Semi-major axis | 2.29 au |
| Perihelion – aphelion | 2.03 – 2.55 au |
| Eccentricity | 0.115 |
| Inclination | 5.43° |
| Closest distance between its orbit and Earth's (MOID) | 1.04 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.