| 3.7 km || |-id=531 bgcolor=#d6d6d6 | 460531 || || — || January 29, 2011 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 2.7 km || |-id=532 bgcolor=#E9E9E9 | 460532 || || — || November 30, 2010 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 1.5 km || |-id=533 bgcolor=#d6d6d6 | 460533 || || — || March 16, 2007 || Kitt Peak || Spacewatch || — || align=right | 2.3 km || |-id=534 bgcolor=#d6d6d6 | 460534 || || — || September 6, 2008 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 3.3 km || |-id=535 bgcolor=#E9E9E9 | 460535 || || — || December 6, 2005 || Kitt Peak || Spacewatch || AGN || align=right | 1.1 km || |-id=536 bgcolor=#E9E9E9 | 460536 || || — || October 10, 2005 || Kitt Peak || Spacewatch || — || align=right | 2.0 km || |-id=537 bgcolor=#d6d6d6 | 460537 || || — || December 18, 2003 || Kitt Peak || Spacewatch || — || align=right | 3.5 km || |-id=538 bgcolor=#d6d6d6 | 460538 || || — || April 20, 2010 || WISE || WISE || — || align=right | 5.0 km || |-id=539 bgcolor=#E9E9E9 | 460539 || || — || August 15, 2009 || Siding Spring || SSS || — || align=right | 3.2 km || |-id=540 bgcolor=#d6d6d6 | 460540 || || — || September 15, 2009 || Kitt Peak || Spacewatch || — || align=right | 2.3 km || |-id=541 bgcolor=#E9E9E9 | 460541 || || — || May 7, 2000 || Kitt Peak || Spacewatch || — || align=right | 1.3 km || |-id=542 bgcolor=#d6d6d6 | 460542 || || — || October 18, 2003 || Kitt Peak || Spacewatch || THM || align=right | 2.4 km || |-id=543 bgcolor=#fefefe | 460543 || || — || October 8, 2004 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.76" | 760 m || |-id=544 bgcolor=#d6d6d6 | 460544 || || — || October 2, 2003 || Kitt Peak || Spacewatch || — || align=right | 2.8 km || |-id=545 bgcolor=#d6d6d6 | 460545 || || — || September 27, 2008 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 3.5 km || |-id=546 bgcolor=#E9E9E9 | 460546 || || — || January 3, 2003 || Socorro || LINEAR || EUN || align=right | 1.7 km || |-id=547 bgcolor=#d6d6d6 | 460547 ||