align=right | 2.9 km || |-id=242 bgcolor=#d6d6d6 | 460242 || || — || December 17, 2009 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 2.5 km || |-id=243 bgcolor=#d6d6d6 | 460243 || || — || February 14, 2010 || WISE || WISE || — || align=right | 4.4 km || |-id=244 bgcolor=#fefefe | 460244 || || — || February 4, 2005 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.92" | 920 m || |-id=245 bgcolor=#E9E9E9 | 460245 || || — || June 27, 2010 || WISE || WISE || KON || align=right | 2.3 km || |-id=246 bgcolor=#fefefe | 460246 || || — || March 4, 2005 || Mount Lemmon || Mount Lemmon Survey || — || align=right data-sort-value="0.71" | 710 m || |-id=247 bgcolor=#d6d6d6 | 460247 || || — || September 6, 2008 || Catalina || CSS || — || align=right | 2.9 km || |-id=248 bgcolor=#d6d6d6 | 460248 || || — || May 12, 2007 || Kitt Peak || Spacewatch || — || align=right | 3.1 km || |-id=249 bgcolor=#E9E9E9 | 460249 || || — || January 10, 2007 || Kitt Peak || Spacewatch || — || align=right | 1.9 km || |-id=250 bgcolor=#fefefe | 460250 || || — || December 29, 2011 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.75" | 750 m || |-id=251 bgcolor=#E9E9E9 | 460251 || || — || January 18, 2012 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 1.3 km || |-id=252 bgcolor=#fefefe | 460252 || || — || November 7, 2007 || Mount Lemmon || Mount Lemmon Survey || — || align=right data-sort-value="0.68" | 680 m || |-id=253 bgcolor=#d6d6d6 | 460253 || || — || October 22, 2009 || Mount Lemmon || Mount Lemmon Survey || THM || align=right | 2.1 km || |-id=254 bgcolor=#fefefe | 460254 || || — || September 21, 2011 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.54" | 540 m || |-id=255 bgcolor=#E9E9E9 | 460255 || || — || December 31, 2007 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.74" | 740 m || |-id=256 bgcolor=#d6d6d6 | 460256 || || — || September 27, 2009 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 2.8 km || |-id=257 bgcolor=#E9E9E9 | 460257 || || — || November 1, 2006 || Mount Lemmon || Mount Lemmon Survey || —