Named in honor of Yoshiaki Oshima (1952– ), discoverer of the Apollo-type minor planet 1988 XB and several other minor planets. He contributed to the development of the instrumentation at the Nihondaira {see planet (2880)} Observatory. (M 22511) Name proposed by T. Urata. _ _.
Discovered on 14-11-1990 in Toyota by Suzuki, K., Urata, T.