Asteroids named after people called Katsumasa

(46631) Hosoikatsumasa

Katsumasa Hosoi (b. 1964) is a Japanese amateur astronomer residing in Fukushima Prefecture who conducts observes asteroid occultations of stars. In response to a request for cooperation from the National Astronomical Observatory of Japan, he observed the TNO (612533) and contributed to research indicating the presence of a thin atmosphere.Discovered 5 October 1994 by Endate, K., Watanabe, K., Kitami