1951 WF. Discovered 1951 Nov. 22 by M. Laugier at Nice.
Named in honor of Sadao Murayama, observer of Mars, authority on meteorites, and director of the Earth-science section of the National Science Museum, at Ueno Park, Tokyo. (M 11441)
Named by one of his former students, S. Nakano, who found the identifications involving this planet.