|| align=right | 2.2 km || |-id=293 bgcolor=#fefefe | 464293 || || — || October 3, 2003 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.83" | 830 m || |-id=294 bgcolor=#fefefe | 464294 || || — || December 26, 2011 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.77" | 770 m || |-id=295 bgcolor=#d6d6d6 | 464295 || || — || April 7, 2010 || WISE || WISE || — || align=right | 4.2 km || |-id=296 bgcolor=#fefefe | 464296 || || — || December 28, 2007 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.89" | 890 m || |-id=297 bgcolor=#fefefe | 464297 || || — || March 2, 2006 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.58" | 580 m || |-id=298 bgcolor=#E9E9E9 | 464298 || || — || September 15, 2009 || Kitt Peak || Spacewatch || — || align=right | 1.6 km || |-id=299 bgcolor=#E9E9E9 | 464299 || || — || December 13, 2006 || Socorro || LINEAR || — || align=right | 1.5 km || |-id=300 bgcolor=#E9E9E9 | 464300 || || — || April 8, 2003 || Kitt Peak || Spacewatch || — || align=right | 1.8 km || |} 464301–464400 |-bgcolor=#d6d6d6 | 464301 || || — || November 11, 2009 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 1.9 km || |-id=302 bgcolor=#d6d6d6 | 464302 || || — || December 25, 2005 || Kitt Peak || Spacewatch || — || align=right | 2.1 km || |-id=303 bgcolor=#E9E9E9 | 464303 || || — || November 3, 2005 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 2.4 km || |-id=304 bgcolor=#d6d6d6 | 464304 || || — || November 9, 2009 || Catalina || CSS || — || align=right | 3.8 km || |-id=305 bgcolor=#E9E9E9 | 464305 || || — || December 3, 2010 || Kitt Peak || Spacewatch || — || align=right | 2.1 km || |-id=306 bgcolor=#E9E9E9 | 464306 || || — || September 12, 2002 || Palomar || NEAT || — || align=right data-sort-value="0.75" | 750 m || |-id=307 bgcolor=#d6d6d6 | 464307 || || — || January 26, 2006 || Kitt Peak || Spacewatch || — || align=right | 3.1 km || |-id=308 bgcolor=#E9E9E9 | 464308 || || — || November 1, 2005 || Mount Lemmon || Mount Lemmon Survey || PAD || align=right | 1.5 km || |-id=309 bgcolor=#d6d6d6