(12370) Kageyasu Main-belt Asteroid
Discovered on 11 April 1994 by Ueda, S., Kaneda, H. at Kushiro.
Takahashi Kageyasu (1785-1829) was the chief astronomer of the shogunal government of Japan. He was among the first to compile and publish maps of the world and East Asia based on the latest knowledge then available in scientific geography. He also established the book office of Western culture in 1811.Naming citation (20050919/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kageyasu is today
Seen from above the solar system on 2026-10-14: Kageyasu is 2.45 au from the Sun and 2.01 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12370 |
| Provisional designation | 1994 GB9 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.57 |
| Orbital period | 3.49 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 2.01 – 2.60 au |
| Eccentricity | 0.128 |
| Inclination | 2.42° |
| Closest distance between its orbit and Earth's (MOID) | 1.01 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.