2.7 km || |-id=447 bgcolor=#E9E9E9 | 463447 || || — || December 13, 2006 || Kitt Peak || Spacewatch || ADE || align=right | 2.1 km || |-id=448 bgcolor=#d6d6d6 | 463448 || || — || February 28, 2010 || WISE || WISE || — || align=right | 2.5 km || |-id=449 bgcolor=#fefefe | 463449 || || — || September 18, 2003 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.61" | 610 m || |-id=450 bgcolor=#fefefe | 463450 || || — || May 19, 2006 || Mount Lemmon || Mount Lemmon Survey || — || align=right data-sort-value="0.65" | 650 m || |-id=451 bgcolor=#fefefe | 463451 || || — || March 29, 2009 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.62" | 620 m || |-id=452 bgcolor=#E9E9E9 | 463452 || || — || February 21, 2007 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 1.8 km || |-id=453 bgcolor=#fefefe | 463453 || || — || October 4, 2006 || Mount Lemmon || Mount Lemmon Survey || — || align=right data-sort-value="0.96" | 960 m || |-id=454 bgcolor=#fefefe | 463454 || || — || December 18, 2007 || Mount Lemmon || Mount Lemmon Survey || — || align=right data-sort-value="0.95" | 950 m || |-id=455 bgcolor=#d6d6d6 | 463455 || || — || February 27, 2010 || WISE || WISE || — || align=right | 3.3 km || |-id=456 bgcolor=#fefefe | 463456 || || — || October 19, 2006 || Mount Lemmon || Mount Lemmon Survey || — || align=right data-sort-value="0.83" | 830 m || |-id=457 bgcolor=#E9E9E9 | 463457 || || — || September 28, 2009 || Kitt Peak || Spacewatch || — || align=right | 2.4 km || |-id=458 bgcolor=#d6d6d6 | 463458 || || — || October 10, 2008 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 2.6 km || |-id=459 bgcolor=#d6d6d6 | 463459 || || — || November 21, 2003 || Kitt Peak || Spacewatch || EOS || align=right | 1.7 km || |-id=460 bgcolor=#E9E9E9 | 463460 || || — || December 21, 2006 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 1.5 km || |-id=461 bgcolor=#E9E9E9 | 463461 || || — || February 19, 2012 || Kitt Peak || Spacewatch || (5) || align=right data-sort-value="0.86" | 860 m || |-id=462 bgcolor=#d6d6d6 | 463462 || || — || October 31, 2008 || Catalina || CSS || — ||