align=right | 1.0 km || |-id=263 bgcolor=#d6d6d6 | 461263 || || — || April 13, 2013 || Kitt Peak || Spacewatch || — || align=right | 3.1 km || |-id=264 bgcolor=#d6d6d6 | 461264 || || — || December 5, 2010 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 3.4 km || |-id=265 bgcolor=#d6d6d6 | 461265 || || — || September 18, 2003 || Kitt Peak || Spacewatch || — || align=right | 3.2 km || |-id=266 bgcolor=#E9E9E9 | 461266 || || — || March 5, 2008 || Kitt Peak || Spacewatch || AGN || align=right data-sort-value="0.94" | 940 m || |-id=267 bgcolor=#E9E9E9 | 461267 || || — || March 6, 2008 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 1.7 km || |-id=268 bgcolor=#E9E9E9 | 461268 || || — || March 4, 2008 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 2.1 km || |-id=269 bgcolor=#d6d6d6 | 461269 || || — || September 29, 2009 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 5.0 km || |-id=270 bgcolor=#d6d6d6 | 461270 || || — || May 7, 2013 || Mount Lemmon || Mount Lemmon Survey || EOS || align=right | 1.9 km || |-id=271 bgcolor=#fefefe | 461271 || || — || June 25, 2011 || Mount Lemmon || Mount Lemmon Survey || (2076) || align=right data-sort-value="0.81" | 810 m || |-id=272 bgcolor=#d6d6d6 | 461272 || || — || September 29, 2003 || Kitt Peak || Spacewatch || — || align=right | 2.9 km || |-id=273 bgcolor=#E9E9E9 | 461273 || || — || January 18, 2008 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 1.3 km || |-id=274 bgcolor=#d6d6d6 | 461274 || || — || September 16, 2009 || Catalina || CSS || — || align=right | 3.9 km || |-id=275 bgcolor=#fefefe | 461275 || || — || January 19, 2005 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.85" | 850 m || |-id=276 bgcolor=#d6d6d6 | 461276 || || — || October 9, 2004 || Kitt Peak || Spacewatch || — || align=right | 2.7 km || |-id=277 bgcolor=#E9E9E9 | 461277 || || — || August 18, 2006 || Anderson Mesa || LONEOS || — || align=right | 1.4 km || |-id=278 bgcolor=#fefefe | 461278 || || — || February 1, 2009 || Kitt Peak || Spacewatch || — ||