(39809) Fukuchan Main-belt Asteroid
Discovered on 30 November 1997 by T. Seki at Geisei.
Fukuchan is the name of a boy character and the title of the cartoons created by Ryuichi Yokoyama (1909-2001), who was born in Kochi City. Yokoyama was a famous and respected cartoonist in Japan. Fukuchan was serialized in the Mainichi newspaper, appearing 5534 times from 1956 to 1971.Naming citation (20040504/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Fukuchan is today
Seen from above the solar system on 2026-10-14: Fukuchan is 2.22 au from the Sun and 2.84 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 39809 |
| Provisional designation | 1997 WB30 |
| Orbit class | Main-belt Asteroid |
| Diameter | 1.53 km (#17,338 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.331 |
| Absolute magnitude (H) | 16.32 |
| Orbital period | 3.33 years |
| Semi-major axis | 2.23 au |
| Perihelion – aphelion | 1.74 – 2.72 au |
| Eccentricity | 0.220 |
| Inclination | 5.41° |
| Closest distance between its orbit and Earth's (MOID) | 0.745 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.