km || |-id=405 bgcolor=#d6d6d6 | 392405 || || — || March 12, 2008 || Kitt Peak || Spacewatch || — || align=right | 3.8 km || |-id=406 bgcolor=#E9E9E9 | 392406 || || — || June 6, 2010 || La Sagra || OAM Obs. || — || align=right | 1.4 km || |-id=407 bgcolor=#d6d6d6 | 392407 || || — || June 10, 2010 || WISE || WISE || — || align=right | 3.9 km || |-id=408 bgcolor=#d6d6d6 | 392408 || || — || June 11, 2010 || WISE || WISE || — || align=right | 1.8 km || |-id=409 bgcolor=#d6d6d6 | 392409 || || — || June 13, 2010 || WISE || WISE || — || align=right | 3.7 km || |-id=410 bgcolor=#E9E9E9 | 392410 || || — || October 30, 2007 || Kitt Peak || Spacewatch || — || align=right | 1.5 km || |-id=411 bgcolor=#d6d6d6 | 392411 || || — || March 18, 2009 || Kitt Peak || Spacewatch || — || align=right | 2.8 km || |-id=412 bgcolor=#d6d6d6 | 392412 || || — || June 15, 2010 || WISE || WISE || EUP || align=right | 4.2 km || |-id=413 bgcolor=#d6d6d6 | 392413 || || — || August 9, 2004 || Siding Spring || SSS || — || align=right | 4.0 km || |-id=414 bgcolor=#d6d6d6 | 392414 || || — || June 15, 2010 || WISE || WISE || — || align=right | 3.2 km || |-id=415 bgcolor=#E9E9E9 | 392415 || || — || October 7, 2008 || Mount Lemmon || Mount Lemmon Survey || ADE || align=right | 2.6 km || |-id=416 bgcolor=#E9E9E9 | 392416 || || — || March 20, 2010 || Catalina || CSS || GER || align=right | 1.9 km || |-id=417 bgcolor=#d6d6d6 | 392417 || || — || June 24, 2010 || WISE || WISE || — || align=right | 4.1 km || |-id=418 bgcolor=#d6d6d6 | 392418 || || — || February 27, 2008 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 3.7 km || |-id=419 bgcolor=#d6d6d6 | 392419 || || — || June 26, 2010 || WISE || WISE || — || align=right | 6.1 km || |-id=420 bgcolor=#d6d6d6 | 392420 || || — || June 27, 2010 || WISE || WISE || — || align=right | 3.0 km || |-id=421 bgcolor=#d6d6d6 | 392421 || || — || June 27, 2010 || WISE || WISE || — ||