Enthusiastic amateur astronomer Kimiya Yui (b. 1970) was selected to be an astronaut candidate by Japan Aerospace Exploration Agency in 2009, and was certified as an International Space Station (ISS) astronaut in 2011. On July 22, 2015, he flew to ISS and stayed in space for 141 days.
Discovered on 15-3-2001 in Kuma Kogen by Nakamura, A.