— || October 29, 2008 || Kitt Peak || Spacewatch || — || align=right | 4.0 km || |-id=544 bgcolor=#d6d6d6 | 463544 || || — || August 30, 2008 || Socorro || LINEAR || — || align=right | 2.9 km || |-id=545 bgcolor=#E9E9E9 | 463545 || || — || September 11, 2004 || Socorro || LINEAR || — || align=right | 2.7 km || |-id=546 bgcolor=#d6d6d6 | 463546 || || — || September 6, 2008 || Mount Lemmon || Mount Lemmon Survey || KOR || align=right | 1.2 km || |-id=547 bgcolor=#d6d6d6 | 463547 || || — || September 3, 2008 || Kitt Peak || Spacewatch || — || align=right | 2.1 km || |-id=548 bgcolor=#E9E9E9 | 463548 || || — || October 4, 2004 || Kitt Peak || Spacewatch || — || align=right | 2.1 km || |-id=549 bgcolor=#fefefe | 463549 || || — || July 30, 2009 || Catalina || CSS || — || align=right data-sort-value="0.90" | 900 m || |-id=550 bgcolor=#E9E9E9 | 463550 || || — || April 7, 2003 || Kitt Peak || Spacewatch || — || align=right | 1.8 km || |-id=551 bgcolor=#fefefe | 463551 || || — || October 31, 2006 || Mount Lemmon || Mount Lemmon Survey || — || align=right data-sort-value="0.92" | 920 m || |-id=552 bgcolor=#E9E9E9 | 463552 || || — || September 18, 2009 || Kitt Peak || Spacewatch || MAR || align=right data-sort-value="0.83" | 830 m || |-id=553 bgcolor=#E9E9E9 | 463553 || || — || April 8, 2003 || Kitt Peak || Spacewatch || — || align=right | 1.6 km || |-id=554 bgcolor=#d6d6d6 | 463554 || || — || September 29, 2008 || Mount Lemmon || Mount Lemmon Survey || EOS || align=right | 1.7 km || |-id=555 bgcolor=#fefefe | 463555 || || — || November 1, 2006 || Mount Lemmon || Mount Lemmon Survey || — || align=right data-sort-value="0.89" | 890 m || |-id=556 bgcolor=#E9E9E9 | 463556 || || — || December 21, 2005 || Kitt Peak || Spacewatch || — || align=right | 2.2 km || |-id=557 bgcolor=#E9E9E9 | 463557 || || — || August 23, 2004 || Kitt Peak || Spacewatch || — || align=right | 1.8 km || |-id=558 bgcolor=#d6d6d6 | 463558 || || — || March 2, 2005 || Kitt Peak || Spacewatch || EOS || align=right | 1.8 km || |-id=559 bgcolor=#d6d6d6 | 463559 || || — || September 10, 2013 || Haleakala