Kitt Peak || Spacewatch || — || align=right data-sort-value="0.87" | 870 m || |-id=487 bgcolor=#fefefe | 392487 || || — || February 16, 2004 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.99" | 990 m || |-id=488 bgcolor=#fefefe | 392488 || || — || November 5, 1999 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.72" | 720 m || |-id=489 bgcolor=#fefefe | 392489 || || — || February 25, 2007 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.78" | 780 m || |-id=490 bgcolor=#fefefe | 392490 || || — || January 9, 2007 || Mount Lemmon || Mount Lemmon Survey || — || align=right data-sort-value="0.82" | 820 m || |-id=491 bgcolor=#fefefe | 392491 || || — || August 28, 2005 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.70" | 700 m || |-id=492 bgcolor=#fefefe | 392492 || || — || March 26, 2007 || Mount Lemmon || Mount Lemmon Survey || FLO || align=right data-sort-value="0.68" | 680 m || |-id=493 bgcolor=#FA8072 | 392493 || || — || June 10, 2004 || Campo Imperatore || CINEOS || — || align=right data-sort-value="0.91" | 910 m || |-id=494 bgcolor=#fefefe | 392494 || || — || June 27, 2011 || Mount Lemmon || Mount Lemmon Survey || MAS || align=right data-sort-value="0.94" | 940 m || |-id=495 bgcolor=#fefefe | 392495 || || — || October 11, 2004 || Kitt Peak || Spacewatch || NYS || align=right data-sort-value="0.63" | 630 m || |-id=496 bgcolor=#fefefe | 392496 || || — || December 30, 2005 || Kitt Peak || Spacewatch || V || align=right data-sort-value="0.76" | 760 m || |-id=497 bgcolor=#fefefe | 392497 || || — || September 21, 2008 || Kitt Peak || Spacewatch || V || align=right data-sort-value="0.85" | 850 m || |-id=498 bgcolor=#fefefe | 392498 || || — || April 16, 2004 || Socorro || LINEAR || — || align=right data-sort-value="0.81" | 810 m || |-id=499 bgcolor=#fefefe | 392499 || || — || December 28, 2005 || Mount Lemmon || Mount Lemmon Survey || NYS || align=right data-sort-value="0.62" | 620 m || |-id=500 bgcolor=#fefefe | 392500 || || — || September 29, 2008 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 1.1 km || |} 392501–392600 |-bgcolor=#d6d6d6 | 392501 || || — || October 11, 2006 || Kitt Peak || Spacewatch || — || align=right | 2.7 km || |-id=502 bgcolor=#d6d6d6 | 392502