|| — || align=right | 2.1 km || |-id=778 bgcolor=#fefefe | 49778 || 1999 XT || — || December 2, 1999 || Socorro || LINEAR || — || align=right | 2.2 km || |-id=779 bgcolor=#fefefe | 49779 || || — || December 4, 1999 || Catalina || CSS || FLO || align=right | 2.3 km || |-id=780 bgcolor=#fefefe | 49780 || || — || December 4, 1999 || Catalina || CSS || — || align=right | 2.3 km || |-id=781 bgcolor=#E9E9E9 | 49781 || || — || December 4, 1999 || Fountain Hills || C. W. Juels || EUN || align=right | 5.2 km || |-id=782 bgcolor=#fefefe | 49782 || || — || December 2, 1999 || Kitt Peak || Spacewatch || PHO || align=right | 3.9 km || |-id=783 bgcolor=#fefefe | 49783 || || — || December 4, 1999 || Kitt Peak || Spacewatch || NYS || align=right | 1.6 km || |-id=784 bgcolor=#fefefe | 49784 || || — || December 5, 1999 || Kitt Peak || Spacewatch || — || align=right | 1.7 km || |-id=785 bgcolor=#E9E9E9 | 49785 || || — || December 5, 1999 || Kitt Peak || Spacewatch || — || align=right | 1.7 km || |-id=786 bgcolor=#fefefe | 49786 || || — || December 5, 1999 || Catalina || CSS || — || align=right | 1.9 km || |-id=787 bgcolor=#fefefe | 49787 || || — || December 6, 1999 || Catalina || CSS || PHO || align=right | 3.1 km || |-id=788 bgcolor=#fefefe | 49788 || || — || December 5, 1999 || Socorro || LINEAR || V || align=right | 1.6 km || |-id=789 bgcolor=#fefefe | 49789 || || — || December 6, 1999 || Višnjan Observatory || K. Korlević || NYS || align=right | 2.9 km || |-id=790 bgcolor=#fefefe | 49790 || || — || December 5, 1999 || Socorro || LINEAR || — || align=right | 2.6 km || |-id=791 bgcolor=#fefefe | 49791 || || — || December 6, 1999 || Socorro || LINEAR || V || align=right | 1.5 km || |-id=792 bgcolor=#E9E9E9 | 49792 || || — || December 6, 1999 || Socorro || LINEAR || — || align=right | 5.4 km || |-id=793 bgcolor=#E9E9E9 | 49793 || || — || December 6, 1999 || Socorro || LINEAR || — || align=right | 5.3 km || |-id=794 bgcolor=#fefefe | 49794 || || — || December 6, 1999 || Socorro