Named in honor of Toshio Fukushima (1954– ), a Japanese astronomer working mainly on general relativity, positional astronomy and celestial mechanics. He is current president of the IAU Commission 31 and served as chair of the local organizing committee for the IAU General Assembly in Kyoto in 1997. He created the current version of Japanese Ephemeris, published by the Japanese Hydrographic Department, and contributed to the introduction of general relativity into the current IAU system of time systems, reference frames and astronomical constants. He has been the director of the public relations center of the National Astronomical Observatory of Japan since 1998. (M 35491) _ _.