1950 DH. Discovered 1950 Feb. 17 by K. Reinmuth at Heidelberg.
Named in memory of Tadayoshi Murakami (1907–1985), professor of astronomy at the Hiroshima University, president of the Hiroshima Jogakuin College. He studied meteors extensively and encouraged many meteor observers in Japan. He contributed much to the teaching and popularization of astronomy in Japan, not only by lecturing at universities, but also by writing many books and articles over a period of fifty years. His father, Harutaro Murakami, studied lunar theory and is known for his work Theory of the perturbation of the Moon. (M 11442)
Name proposed by T. Urata, who found the identifications involving this planet.