2005 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 1.7 km || |-id=320 bgcolor=#E9E9E9 | 463320 || || — || October 14, 2009 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 2.6 km || |-id=321 bgcolor=#E9E9E9 | 463321 || || — || May 1, 2012 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 1.9 km || |-id=322 bgcolor=#E9E9E9 | 463322 || || — || May 14, 2008 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 1.1 km || |-id=323 bgcolor=#E9E9E9 | 463323 || || — || March 29, 2012 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.89" | 890 m || |-id=324 bgcolor=#E9E9E9 | 463324 || || — || March 29, 2012 || Kitt Peak || Spacewatch || MRX || align=right data-sort-value="0.85" | 850 m || |-id=325 bgcolor=#E9E9E9 | 463325 || || — || April 20, 2012 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 1.2 km || |-id=326 bgcolor=#E9E9E9 | 463326 || || — || October 25, 2005 || Kitt Peak || Spacewatch || — || align=right | 1.1 km || |-id=327 bgcolor=#E9E9E9 | 463327 || || — || January 18, 1999 || Kitt Peak || Spacewatch || — || align=right | 1.3 km || |-id=328 bgcolor=#E9E9E9 | 463328 || || — || November 30, 2010 || Mount Lemmon || Mount Lemmon Survey || ADE || align=right | 1.7 km || |-id=329 bgcolor=#E9E9E9 | 463329 || || — || August 26, 2008 || Socorro || LINEAR || — || align=right | 2.6 km || |-id=330 bgcolor=#E9E9E9 | 463330 || || — || May 19, 2012 || Catalina || CSS || — || align=right | 1.6 km || |-id=331 bgcolor=#d6d6d6 | 463331 || || — || October 2, 2003 || Kitt Peak || Spacewatch || — || align=right | 3.7 km || |-id=332 bgcolor=#E9E9E9 | 463332 || || — || January 28, 2007 || Kitt Peak || Spacewatch || — || align=right | 1.3 km || |-id=333 bgcolor=#E9E9E9 | 463333 || || — || May 20, 2012 || Mount Lemmon || Mount Lemmon Survey || EUN || align=right | 1.3 km || |-id=334 bgcolor=#E9E9E9 | 463334 || || — || May 30, 2008 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 1.5 km || |-id=335 bgcolor=#E9E9E9 | 463335 || || — || May 19,