+ Asteroids discovered: 12 4094 Aoshima August 26, 1987 4507 Petercollins March 19, 1990 5292 Mackwell January 12, 1991 5513 Yukio November 27, 1988 (6178) 1986 DA February 16, 1986 April 29, 1990 November 12, 1990 November 12, 1990 November 20, 1989 December 14, 1991 November 11, 1990 March 17, 1991 with W. Kakei, with H. Shiozawa, with T. Urata
is a Japanese astronomer and discoverer of minor planets.
Between 1986 and 1991, he has discovered or co-discovered 16 of asteroids at the Nihondaira Observatory in Shimizu, Japan. He is credited as sole discoverer of , a 3-kilometer near-Earth object belonging to the group of Amor asteroids. His co-discoverers were the Japanese astronomers Takeshi Urata, Watari Kakei and Hitoshi Shiozawa (see adjunct table).
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