Named in memory of Heishu Hosoi (1728–1801), beloved scholar during the Edo era, born in the present-day city of Tokai, home of the second discoverer. {Tokai already is a member of the minor planet sky - see planet (2478)}. (M 22507) _ _.
Discovered on 20-11-1989 in Kani by Mizuno, Y., Furuta, T.