Kazuhiko Ukai (1951-2009) was a physicist at Waseda University. A member of the Waseda Astronomical Association, he participated in the construction of an observatory hut in Nobeyama in 1970, camping out there for 30 consecutive days and becoming the first person to spend 100 nights in the hut.
Discovered on 9-12-1993 in Nyukasa by Hirasawa, M., Suzuki, S.