|| align=right | 11 km || |-id=246 bgcolor=#E9E9E9 | 15246 Kumeta || || || November 2, 1989 || Kitami || K. Endate, K. Watanabe || MIS || align=right | 8.0 km || |-id=247 bgcolor=#E9E9E9 | 15247 || 1989 WS || — || November 20, 1989 || Kushiro || S. Ueda, H. Kaneda || — || align=right | 4.4 km || |-id=248 bgcolor=#E9E9E9 | 15248 Hidekazu || || || November 29, 1989 || Kitami || K. Endate, K. Watanabe || — || align=right | 4.4 km || |-id=249 bgcolor=#d6d6d6 | 15249 Capodimonte || || || December 28, 1989 || Haute Provence || E. W. Elst || — || align=right | 21 km || |-id=250 bgcolor=#d6d6d6 | 15250 Nishiyamahiro || 1990 DZ || || February 28, 1990 || Kitami || K. Endate, K. Watanabe || — || align=right | 4.9 km || |-id=251 bgcolor=#fefefe | 15251 || || — || March 2, 1990 || La Silla || E. W. Elst || — || align=right | 2.1 km || |-id=252 bgcolor=#fefefe | 15252 Yoshiken || || || July 20, 1990 || Geisei || T. Seki || — || align=right | 3.4 km || |-id=253 bgcolor=#fefefe | 15253 || || — || August 23, 1990 || Palomar || H. E. Holt || — || align=right | 7.1 km || |-id=254 bgcolor=#fefefe | 15254 || || — || August 23, 1990 || Palomar || H. E. Holt || FLO || align=right | 4.0 km || |-id=255 bgcolor=#d6d6d6 | 15255 || || — || August 16, 1990 || La Silla || E. W. Elst || THM || align=right | 9.5 km || |-id=256 bgcolor=#d6d6d6 | 15256 || || — || September 14, 1990 || Palomar || H. E. Holt || VER || align=right | 15 km || |-id=257 bgcolor=#d6d6d6 | 15257 || || — || September 15, 1990 || La Silla || H. Debehogne || THM || align=right | 8.4 km || |-id=258 bgcolor=#d6d6d6 | 15258 Alfilipenko || || || September 15, 1990 || Nauchnij || L. V. Zhuravleva || — || align=right | 12 km || |-id=259 bgcolor=#fefefe | 15259 || || — || September 22, 1990 || La Silla || E. W. Elst || NYS || align=right | 2.4 km || |-id=260 bgcolor=#fefefe | 15260 || || — || September 22, 1990 || La Silla || E. W. Elst || FLO || align=right | 2.4 km || |-id=261 bgcolor=#d6d6d6 | 15261 || || —