5291 Yuuko
Encyclopedia
5291 Yuuko is a Main-belt asteroid discovered on December 20, 1990 by Masanori Matsuyama and Watanabe
at Kushiro.
Kazuro Watanabe
is an amateur Japanese astronomer. He was born in Hokkaidō, Japan and is a member of the Astronomical Society of Japan and Oriental Astronomical Association....
at Kushiro.