| 2.9 km || |-id=306 bgcolor=#fefefe | 460306 || || — || February 21, 2009 || Mount Lemmon || Mount Lemmon Survey || — || align=right data-sort-value="0.77" | 770 m || |-id=307 bgcolor=#d6d6d6 | 460307 || || — || August 4, 2008 || Siding Spring || SSS || — || align=right | 3.1 km || |-id=308 bgcolor=#E9E9E9 | 460308 || || — || October 26, 2005 || Kitt Peak || Spacewatch || — || align=right | 2.0 km || |-id=309 bgcolor=#d6d6d6 | 460309 || || — || October 3, 2003 || Kitt Peak || Spacewatch || — || align=right | 2.2 km || |-id=310 bgcolor=#fefefe | 460310 || || — || April 3, 2000 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.68" | 680 m || |-id=311 bgcolor=#E9E9E9 | 460311 || || — || November 15, 2010 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 1.0 km || |-id=312 bgcolor=#E9E9E9 | 460312 || || — || November 13, 2010 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 1.4 km || |-id=313 bgcolor=#fefefe | 460313 || || — || February 19, 2009 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.82" | 820 m || |-id=314 bgcolor=#d6d6d6 | 460314 || || — || July 31, 2008 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 2.4 km || |-id=315 bgcolor=#d6d6d6 | 460315 || || — || November 25, 2005 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 2.0 km || |-id=316 bgcolor=#fefefe | 460316 || || — || January 7, 2005 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.73" | 730 m || |-id=317 bgcolor=#d6d6d6 | 460317 || || — || February 17, 2007 || Kitt Peak || Spacewatch || KOR || align=right | 1.3 km || |-id=318 bgcolor=#E9E9E9 | 460318 || || — || October 2, 2006 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 1.2 km || |-id=319 bgcolor=#E9E9E9 | 460319 || || — || August 29, 2005 || Kitt Peak || Spacewatch || — || align=right | 1.5 km || |-id=320 bgcolor=#fefefe | 460320 || || — || December 30, 2008 || Mount Lemmon || Mount Lemmon Survey || — || align=right data-sort-value="0.59" | 590 m || |-id=321 bgcolor=#fefefe | 460321 || || — || December 26, 2011 || Kitt Peak || Spacewatch ||