(20193) Yakushima Main-belt Asteroid
Discovered on 18 January 1997 by N. Sato at Chichibu.
Yakushima is a small island located to the south of Kagoshima prefecture, Japan. This island was listed as a UNESCO World Natural Heritage site in 1993. The first total solar eclipse visible in Japan in 46 years occurred on the island on July 22, 2009, and attracted many space enthusiasts.Naming citation (20111012/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Yakushima is today
Seen from above the solar system on 2026-10-14: Yakushima is 2.58 au from the Sun and 2.29 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20193 |
| Provisional designation | 1997 BH8 |
| Orbit class | Main-belt Asteroid |
| Diameter | 11.6 km (#4,290 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0580 |
| Absolute magnitude (H) | 13.76 |
| Orbital period | 4.32 years |
| Semi-major axis | 2.65 au |
| Perihelion – aphelion | 2.12 – 3.19 au |
| Eccentricity | 0.200 |
| Inclination | 10.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.12 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.