(18609) Shinobuyama Main-belt Asteroid
Discovered on 30 January 1998 by T. Seki at Geisei.
Shinobuyama, called “Fuku-Shima” many centuries ago, is a small mountain in Fukushima city, Japan. This beloved mountain is the symbol of the city.Naming citation (MPC batch dated 2017-10-05), IAU / Minor Planet Center, via NASA/JPL
Where Shinobuyama is today
Seen from above the solar system on 2026-10-14: Shinobuyama is 2.58 au from the Sun and 3.55 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18609 |
| Provisional designation | 1998 BN48 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.82 km (#10,962 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.291 |
| Absolute magnitude (H) | 13.95 |
| Orbital period | 3.46 years |
| Semi-major axis | 2.29 au |
| Perihelion – aphelion | 1.97 – 2.61 au |
| Eccentricity | 0.141 |
| Inclination | 5.71° |
| Closest distance between its orbit and Earth's (MOID) | 0.972 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.