|| Socorro || LINEAR || AGN || align=right | 4.0 km || |-id=599 bgcolor=#E9E9E9 | 20599 || || — || September 8, 1999 || Socorro || LINEAR || — || align=right | 4.5 km || |-id=600 bgcolor=#E9E9E9 | 20600 Danieltse || || || September 8, 1999 || Socorro || LINEAR || — || align=right | 5.0 km || |} 20601–20700 |-bgcolor=#E9E9E9 | 20601 || || — || September 8, 1999 || Socorro || LINEAR || — || align=right | 6.9 km || |-id=602 bgcolor=#d6d6d6 | 20602 || || — || September 8, 1999 || Socorro || LINEAR || MEL || align=right | 24 km || |-id=603 bgcolor=#d6d6d6 | 20603 || || — || September 8, 1999 || Socorro || LINEAR || — || align=right | 7.5 km || |-id=604 bgcolor=#fefefe | 20604 Vrishikpatil || || || September 8, 1999 || Socorro || LINEAR || KLI || align=right | 7.0 km || |-id=605 bgcolor=#E9E9E9 | 20605 || || — || September 8, 1999 || Socorro || LINEAR || EUN || align=right | 4.2 km || |-id=606 bgcolor=#d6d6d6 | 20606 Widemann || || || September 5, 1999 || Anderson Mesa || LONEOS || — || align=right | 9.2 km || |-id=607 bgcolor=#d6d6d6 | 20607 Vernazza || || || September 4, 1999 || Anderson Mesa || LONEOS || — || align=right | 15 km || |-id=608 bgcolor=#fefefe | 20608 Fredmerlin || || || September 7, 1999 || Anderson Mesa || LONEOS || — || align=right | 2.7 km || |-id=609 bgcolor=#d6d6d6 | 20609 || || — || September 3, 1999 || Kitt Peak || Spacewatch || — || align=right | 6.3 km || |-id=610 bgcolor=#E9E9E9 | 20610 || || — || September 8, 1999 || Catalina || CSS || — || align=right | 4.3 km || |-id=611 bgcolor=#fefefe | 20611 || || — || September 8, 1999 || Catalina || CSS || — || align=right | 3.3 km || |-id=612 bgcolor=#d6d6d6 | 20612 || || — || September 8, 1999 || Catalina || CSS || — || align=right | 9.7 km || |-id=613 bgcolor=#d6d6d6 | 20613 Chibaken || || || September 11, 1999 || Anderson Mesa || LONEOS || — || align=right | 6.2 km || |-id=614 bgcolor=#fefefe | 20614 || || — || September 24, 1999 || Socorro || LINEAR || PHO || align=right | 4.3 km || |-id=615 bgcolor=#d6d6d6 | 20615 || || — || September 29, 1999 || Višnjan Observatory