14, 1988 || Cerro Tololo || S. J. Bus || L5 || align=right | 26 km || |-id=274 bgcolor=#d6d6d6 | 11274 Castillo-Rogez || || || September 16, 1988 || Cerro Tololo || S. J. Bus || 3:2 || align=right | 10 km || |-id=275 bgcolor=#C2FFFF | 11275 || || — || September 16, 1988 || Cerro Tololo || S. J. Bus || L5 || align=right | 26 km || |-id=276 bgcolor=#fefefe | 11276 || || — || October 13, 1988 || Kushiro || S. Ueda, H. Kaneda || NYS || align=right | 3.2 km || |-id=277 bgcolor=#fefefe | 11277 Ballard || || || October 8, 1988 || Palomar || C. S. Shoemaker, E. M. Shoemaker || PHO || align=right | 6.3 km || |-id=278 bgcolor=#fefefe | 11278 Telesio || || || September 26, 1989 || La Silla || E. W. Elst || FLO || align=right | 3.5 km || |-id=279 bgcolor=#fefefe | 11279 || 1989 TC || — || October 1, 1989 || Palomar || J. Alu, E. F. Helin || H || align=right | 3.4 km || |-id=280 bgcolor=#fefefe | 11280 Sakurai || || || October 9, 1989 || Kitami || M. Yanai, K. Watanabe || — || align=right | 3.2 km || |-id=281 bgcolor=#fefefe | 11281 || || — || October 28, 1989 || Kani || Y. Mizuno, T. Furuta || — || align=right | 3.4 km || |-id=282 bgcolor=#fefefe | 11282 Hanakusa || || || October 30, 1989 || Kitami || K. Endate, K. Watanabe || NYS || align=right | 3.8 km || |-id=283 bgcolor=#fefefe | 11283 || || — || October 25, 1989 || Kleť || A. Mrkos || NYS || align=right | 3.4 km || |-id=284 bgcolor=#FFC2E0 | 11284 Belenus || 1990 BA || || January 21, 1990 || Caussols || A. Maury || AMO +1km || align=right data-sort-value="0.83" | 830 m || |-id=285 bgcolor=#fefefe | 11285 || || — || August 22, 1990 || Palomar || H. E. Holt || — || align=right | 3.9 km || |-id=286 bgcolor=#fefefe | 11286 || || — || September 15, 1990 || La Silla || H. Debehogne || NYS || align=right | 3.8 km || |-id=287 bgcolor=#d6d6d6 | 11287 || 1990 SX || — || September 16, 1990 || Palomar || H. E. Holt || — || align=right | 11 km || |-id=288 bgcolor=#d6d6d6 | 11288 Okunohosomichi || 1990 XU || || December 10, 1990 || Geisei