Spacewatch || — || align=right | 2.3 km || |-id=633 bgcolor=#FA8072 | 464633 || || — || October 3, 1999 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.77" | 770 m || |-id=634 bgcolor=#E9E9E9 | 464634 || || — || October 5, 1999 || Kitt Peak || Spacewatch || — || align=right | 1.8 km || |-id=635 bgcolor=#E9E9E9 | 464635 || || — || October 15, 1999 || Kitt Peak || Spacewatch || — || align=right | 2.3 km || |-id=636 bgcolor=#fefefe | 464636 || || — || October 2, 1999 || Kitt Peak || Spacewatch || NYS || align=right data-sort-value="0.69" | 690 m || |-id=637 bgcolor=#fefefe | 464637 || || — || October 2, 1999 || Catalina || CSS || — || align=right data-sort-value="0.98" | 980 m || |-id=638 bgcolor=#d6d6d6 | 464638 || || — || January 27, 2000 || Kitt Peak || Spacewatch || — || align=right | 2.8 km || |-id=639 bgcolor=#FFC2E0 | 464639 || || — || August 2, 2000 || Mauna Kea || M. Connors, C. Veillet || AMO || align=right data-sort-value="0.56" | 560 m || |-id=640 bgcolor=#fefefe | 464640 || || — || August 25, 2000 || Socorro || LINEAR || — || align=right data-sort-value="0.82" | 820 m || |-id=641 bgcolor=#fefefe | 464641 || || — || August 31, 2000 || Socorro || LINEAR || — || align=right data-sort-value="0.77" | 770 m || |-id=642 bgcolor=#E9E9E9 | 464642 || || — || August 1, 2000 || Socorro || LINEAR || (1547) || align=right | 2.0 km || |-id=643 bgcolor=#E9E9E9 | 464643 || || — || August 31, 2000 || Socorro || LINEAR || — || align=right | 1.8 km || |-id=644 bgcolor=#FA8072 | 464644 || || — || September 1, 2000 || Socorro || LINEAR || — || align=right | 1.1 km || |-id=645 bgcolor=#fefefe | 464645 || || — || September 23, 2000 || Socorro || LINEAR || — || align=right data-sort-value="0.89" | 890 m || |-id=646 bgcolor=#E9E9E9 | 464646 || || — || September 24, 2000 || Socorro || LINEAR || critical || align=right | 1.5 km || |-id=647 bgcolor=#fefefe | 464647 || || — || September 26, 2000 || Anderson Mesa || LONEOS || — || align=right data-sort-value="0.80" | 800 m || |-id=648 bgcolor=#E9E9E9 | 464648 || || — || October 5, 2000 || Haleakala || NEAT || — || align=right | 1.9 km || |-id=649 bgcolor=#E9E9E9 | 464649 ||