LINEAR || L4 || align=right | 26 km || |-id=717 bgcolor=#E9E9E9 | 20717 || || — || December 7, 1999 || Socorro || LINEAR || — || align=right | 7.0 km || |-id=718 bgcolor=#d6d6d6 | 20718 || || — || December 7, 1999 || Socorro || LINEAR || 7:4 || align=right | 23 km || |-id=719 bgcolor=#fefefe | 20719 Velasco || || || December 7, 1999 || Socorro || LINEAR || — || align=right | 3.0 km || |-id=720 bgcolor=#C2FFFF | 20720 || || — || December 7, 1999 || Socorro || LINEAR || L4 || align=right | 34 km || |-id=721 bgcolor=#d6d6d6 | 20721 || || — || December 9, 1999 || Fountain Hills || C. W. Juels || EOS || align=right | 11 km || |-id=722 bgcolor=#d6d6d6 | 20722 || || — || December 4, 1999 || Catalina || CSS || EOS || align=right | 9.7 km || |-id=723 bgcolor=#E9E9E9 | 20723 || || — || December 11, 1999 || Socorro || LINEAR || — || align=right | 5.7 km || |-id=724 bgcolor=#d6d6d6 | 20724 || || — || December 5, 1999 || Catalina || CSS || — || align=right | 8.0 km || |-id=725 bgcolor=#d6d6d6 | 20725 || || — || December 5, 1999 || Catalina || CSS || — || align=right | 17 km || |-id=726 bgcolor=#fefefe | 20726 || || — || December 7, 1999 || Catalina || CSS || — || align=right | 5.5 km || |-id=727 bgcolor=#d6d6d6 | 20727 || || — || December 7, 1999 || Catalina || CSS || EOS || align=right | 6.9 km || |-id=728 bgcolor=#fefefe | 20728 || || — || December 14, 1999 || Fountain Hills || C. W. Juels || FLO || align=right | 3.3 km || |-id=729 bgcolor=#C2FFFF | 20729 || || — || December 15, 1999 || Fountain Hills || C. W. Juels || L4 || align=right | 51 km || |-id=730 bgcolor=#E9E9E9 | 20730 Jorgecarvano || || || December 9, 1999 || Anderson Mesa || LONEOS || — || align=right | 4.8 km || |-id=731 bgcolor=#d6d6d6 | 20731 Mothédiniz || || || December 9, 1999 || Anderson Mesa || LONEOS || — || align=right | 11 km || |-id=732 bgcolor=#d6d6d6 | 20732 || || — || December 10, 1999 || Socorro || LINEAR || — || align=right | 7.5 km || |-id=733 bgcolor=#d6d6d6 | 20733 || || — || December 10, 1999 ||