CSS || — || align=right data-sort-value="0.87" | 870 m || |-id=247 bgcolor=#fefefe | 461247 || || — || September 21, 2004 || Anderson Mesa || LONEOS || — || align=right | 1.00 km || |-id=248 bgcolor=#d6d6d6 | 461248 || || — || December 28, 2005 || Kitt Peak || Spacewatch || — || align=right | 2.4 km || |-id=249 bgcolor=#fefefe | 461249 || || — || November 18, 2004 || Campo Imperatore || CINEOS || MAS || align=right data-sort-value="0.74" | 740 m || |-id=250 bgcolor=#d6d6d6 | 461250 || || — || September 25, 2009 || Catalina || CSS || EOS || align=right | 2.3 km || |-id=251 bgcolor=#d6d6d6 | 461251 || || — || December 31, 2005 || Kitt Peak || Spacewatch || — || align=right | 2.8 km || |-id=252 bgcolor=#E9E9E9 | 461252 || || — || November 13, 2007 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 1.1 km || |-id=253 bgcolor=#d6d6d6 | 461253 || || — || November 14, 1998 || Kitt Peak || Spacewatch || VER || align=right | 2.5 km || |-id=254 bgcolor=#d6d6d6 | 461254 || || — || April 18, 2007 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 3.5 km || |-id=255 bgcolor=#d6d6d6 | 461255 || || — || September 30, 2009 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 3.0 km || |-id=256 bgcolor=#d6d6d6 | 461256 || || — || November 7, 2010 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 4.7 km || |-id=257 bgcolor=#d6d6d6 | 461257 || || — || December 6, 2005 || Mount Lemmon || Mount Lemmon Survey || EOS || align=right | 1.6 km || |-id=258 bgcolor=#d6d6d6 | 461258 || || — || November 8, 2010 || Kitt Peak || Spacewatch || EOS || align=right | 1.6 km || |-id=259 bgcolor=#d6d6d6 | 461259 || || — || January 8, 2011 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 3.3 km || |-id=260 bgcolor=#d6d6d6 | 461260 || || — || October 13, 2004 || Kitt Peak || Spacewatch || — || align=right | 2.2 km || |-id=261 bgcolor=#d6d6d6 | 461261 || || — || September 16, 2009 || Kitt Peak || Spacewatch || — || align=right | 2.6 km || |-id=262 bgcolor=#fefefe | 461262 || || — || April 12, 2002 || Socorro || LINEAR || — ||