13, 2010 || Socorro || LINEAR || — || align=right data-sort-value="0.96" | 960 m || |-id=308 bgcolor=#d6d6d6 | 392308 || || — || January 29, 2009 || Mount Lemmon || Mount Lemmon Survey || ALA || align=right | 4.4 km || |-id=309 bgcolor=#C2FFFF | 392309 || || — || November 23, 2009 || Mount Lemmon || Mount Lemmon Survey || L4ERY || align=right | 8.4 km || |-id=310 bgcolor=#fefefe | 392310 || || — || February 16, 2010 || Kitt Peak || Spacewatch || MAS || align=right data-sort-value="0.75" | 750 m || |-id=311 bgcolor=#fefefe | 392311 || || — || February 19, 2010 || Pla D'Arguines || R. Ferrando || — || align=right | 1.3 km || |-id=312 bgcolor=#d6d6d6 | 392312 || || — || February 21, 2010 || WISE || WISE || — || align=right | 4.0 km || |-id=313 bgcolor=#E9E9E9 | 392313 || || — || February 26, 2010 || WISE || WISE || — || align=right | 2.5 km || |-id=314 bgcolor=#E9E9E9 | 392314 || || — || December 30, 2000 || Kitt Peak || Spacewatch || — || align=right | 1.8 km || |-id=315 bgcolor=#E9E9E9 | 392315 || || — || March 3, 2010 || WISE || WISE || — || align=right | 4.0 km || |-id=316 bgcolor=#E9E9E9 | 392316 || || — || March 7, 2010 || Guidestar || M. Emmerich, S. Melchert || — || align=right | 1.7 km || |-id=317 bgcolor=#E9E9E9 | 392317 || || — || February 25, 2006 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.98" | 980 m || |-id=318 bgcolor=#d6d6d6 | 392318 || || — || December 20, 2009 || Mount Lemmon || Mount Lemmon Survey || LIX || align=right | 3.5 km || |-id=319 bgcolor=#fefefe | 392319 || || — || March 11, 2010 || La Sagra || OAM Obs. || PHO || align=right | 1.1 km || |-id=320 bgcolor=#E9E9E9 | 392320 || || — || March 4, 2010 || Catalina || CSS || — || align=right | 2.3 km || |-id=321 bgcolor=#E9E9E9 | 392321 || || — || September 19, 2003 || Campo Imperatore || CINEOS || — || align=right | 2.2 km || |-id=322 bgcolor=#fefefe | 392322 || || — || March 12, 2010 || Mount Lemmon || Mount Lemmon Survey || MAS || align=right data-sort-value="0.81" | 810 m || |-id=323 bgcolor=#E9E9E9 | 392323 || || — || September 26, 2008 || Kitt Peak