(11154) Kobushi Main-belt Asteroid

Discovered on 28 December 1997 by T. Kobayashi at Oizumi.

Kobushi mountain (height 2475 meters) is located in the Oku-Chichibu area. The name means that the mountain stretches over three states, Koshu, Bushu and Shinshu. Kobushi, one of the 100 most celebrated mountains in Japan, has three riverheads, which flow into the Fuefuki, Chikuma and Arakawa rivers.Naming citation (20060413/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Kobushi is today

MercuryVenusEarthEarthMarsMarsKobushiKobushi

Seen from above the solar system on 2026-10-14: Kobushi is 2.45 au from the Sun and 3.28 au from Earth. Computed from JPL's orbital elements.

Facts

Number11154
Provisional designation1997 YD10
Orbit classMain-belt Asteroid
Diameter5.21 km (#10,215 largest of 17,440 named asteroids with a measured size)
Albedo0.163
Absolute magnitude (H)13.75
Orbital period3.53 years
Semi-major axis2.32 au
Perihelion – aphelion2.07 – 2.57 au
Eccentricity0.108
Inclination5.15°
Closest distance between its orbit and Earth's (MOID)1.05 au

Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.

Also discovered on 28 December 1997

More named asteroids discovered by T. Kobayashi