11258 Aoyama || || || November 1, 1978 || Caussols || K. Tomita || — || align=right | 11 km || |-id=259 bgcolor=#E9E9E9 | 11259 Yingtungchen || || || November 7, 1978 || Palomar || E. F. Helin, S. J. Bus || — || align=right | 4.8 km || |-id=260 bgcolor=#fefefe | 11260 Camargo || || || November 7, 1978 || Palomar || E. F. Helin, S. J. Bus || — || align=right | 3.3 km || |-id=261 bgcolor=#d6d6d6 | 11261 Krisbecker || 1978 XK || || December 6, 1978 || Palomar || E. Bowell, A. Warnock || — || align=right | 6.4 km || |-id=262 bgcolor=#fefefe | 11262 Drube || || || June 25, 1979 || Siding Spring || E. F. Helin, S. J. Bus || — || align=right | 2.8 km || |-id=263 bgcolor=#d6d6d6 | 11263 Pesonen || 1979 OA || || July 23, 1979 || Anderson Mesa || E. Bowell || — || align=right | 10 km || |-id=264 bgcolor=#E9E9E9 | 11264 Claudiomaccone || || || October 16, 1979 || Nauchnij || N. S. Chernykh || moon || align=right | 3.2 km || |-id=265 bgcolor=#fefefe | 11265 Hasselmann || || || March 2, 1981 || Siding Spring || S. J. Bus || — || align=right | 1.9 km || |-id=266 bgcolor=#d6d6d6 | 11266 Macke || || || March 2, 1981 || Siding Spring || S. J. Bus || 2:1J || align=right | 7.1 km || |-id=267 bgcolor=#E9E9E9 | 11267 Donaldkessler || || || October 24, 1981 || Palomar || S. J. Bus || HOF || align=right | 11 km || |-id=268 bgcolor=#fefefe | 11268 Spassky || || || October 22, 1985 || Nauchnij || L. V. Zhuravleva || — || align=right | 5.1 km || |-id=269 bgcolor=#fefefe | 11269 Knyr || || || August 26, 1987 || Nauchnij || L. G. Karachkina || FLO || align=right | 2.9 km || |-id=270 bgcolor=#fefefe | 11270 || || — || March 13, 1988 || Brorfelde || P. Jensen || — || align=right | 3.9 km || |-id=271 bgcolor=#fefefe | 11271 || 1988 KB || — || May 19, 1988 || Palomar || E. F. Helin || PHO || align=right | 6.8 km || |-id=272 bgcolor=#fefefe | 11272 || 1988 RK || — || September 8, 1988 || Palomar || E. F. Helin || — || align=right | 6.8 km || |-id=273 bgcolor=#C2FFFF | 11273 || || — || September