Socorro || LINEAR || EOS || align=right | 6.0 km || |-id=258 bgcolor=#E9E9E9 | 51258 || || — || May 7, 2000 || Socorro || LINEAR || — || align=right | 9.8 km || |-id=259 bgcolor=#d6d6d6 | 51259 || || — || May 7, 2000 || Socorro || LINEAR || SAN || align=right | 4.7 km || |-id=260 bgcolor=#d6d6d6 | 51260 || || — || May 9, 2000 || Socorro || LINEAR || EOS || align=right | 7.6 km || |-id=261 bgcolor=#E9E9E9 | 51261 Holuša || || || May 13, 2000 || Ondřejov || L. Kotková || — || align=right | 4.8 km || |-id=262 bgcolor=#E9E9E9 | 51262 || || — || May 1, 2000 || Anderson Mesa || LONEOS || EUN || align=right | 6.3 km || |-id=263 bgcolor=#d6d6d6 | 51263 || || — || May 1, 2000 || Anderson Mesa || LONEOS || — || align=right | 13 km || |-id=264 bgcolor=#E9E9E9 | 51264 || || — || May 1, 2000 || Anderson Mesa || LONEOS || — || align=right | 8.5 km || |-id=265 bgcolor=#fefefe | 51265 || || — || May 1, 2000 || Anderson Mesa || LONEOS || — || align=right | 4.1 km || |-id=266 bgcolor=#E9E9E9 | 51266 || || — || May 1, 2000 || Anderson Mesa || LONEOS || — || align=right | 7.2 km || |-id=267 bgcolor=#d6d6d6 | 51267 || || — || May 1, 2000 || Kitt Peak || Spacewatch || — || align=right | 7.1 km || |-id=268 bgcolor=#E9E9E9 | 51268 || || — || May 1, 2000 || Haleakala || NEAT || GEF || align=right | 3.7 km || |-id=269 bgcolor=#E9E9E9 | 51269 || || — || May 2, 2000 || Anderson Mesa || LONEOS || — || align=right | 6.5 km || |-id=270 bgcolor=#E9E9E9 | 51270 || || — || May 2, 2000 || Haleakala || NEAT || — || align=right | 3.2 km || |-id=271 bgcolor=#E9E9E9 | 51271 || || — || May 4, 2000 || Anderson Mesa || LONEOS || — || align=right | 5.9 km || |-id=272 bgcolor=#E9E9E9 | 51272 || || — || May 4, 2000 || Anderson Mesa || LONEOS || — || align=right | 3.6 km || |-id=273 bgcolor=#d6d6d6 | 51273 || || — || May 4, 2000 || Kitt Peak || Spacewatch || — || align=right | 7.1 km || |-id=274 bgcolor=#d6d6d6 | 51274 || || — || May 9,