(22470) Shirakawa-go Main-belt Asteroid
Discovered on 9 February 1997 by N. Sato at Chichibu.
Shirakawa-go is the village located on the border of Gifu Prefecture and Toyama Prefecture, Japan. It is famous for its big houses with thatched rafter roofs and was registered as a World Culture Heritage site in 1995.Naming citation (WGSBN Bull. 3, #12, 9), IAU / Minor Planet Center, via NASA/JPL
Where Shirakawa-go is today
Seen from above the solar system on 2026-10-14: Shirakawa-go is 2.38 au from the Sun and 2.15 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22470 |
| Provisional designation | 1997 CR21 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.52 |
| Orbital period | 3.77 years |
| Semi-major axis | 2.42 au |
| Perihelion – aphelion | 2.09 – 2.75 au |
| Eccentricity | 0.137 |
| Inclination | 2.02° |
| Closest distance between its orbit and Earth's (MOID) | 1.10 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.