km || |-id=864 bgcolor=#fefefe | 49864 || || — || December 10, 1999 || Oizumi || T. Kobayashi || FLO || align=right | 3.2 km || |-id=865 bgcolor=#fefefe | 49865 || || — || December 4, 1999 || Catalina || CSS || NYS || align=right | 1.6 km || |-id=866 bgcolor=#E9E9E9 | 49866 || || — || December 7, 1999 || Catalina || CSS || EUN || align=right | 4.5 km || |-id=867 bgcolor=#fefefe | 49867 || || — || December 8, 1999 || Catalina || CSS || — || align=right | 2.7 km || |-id=868 bgcolor=#fefefe | 49868 || || — || December 7, 1999 || Socorro || LINEAR || — || align=right | 2.0 km || |-id=869 bgcolor=#fefefe | 49869 || || — || December 12, 1999 || Calgary || G. W. Billings || — || align=right | 2.1 km || |-id=870 bgcolor=#fefefe | 49870 || || — || December 5, 1999 || Catalina || CSS || NYS || align=right | 2.5 km || |-id=871 bgcolor=#fefefe | 49871 || || — || December 5, 1999 || Catalina || CSS || FLO || align=right | 3.5 km || |-id=872 bgcolor=#fefefe | 49872 || || — || December 7, 1999 || Catalina || CSS || — || align=right | 1.7 km || |-id=873 bgcolor=#fefefe | 49873 || || — || December 7, 1999 || Catalina || CSS || V || align=right | 2.1 km || |-id=874 bgcolor=#fefefe | 49874 || || — || December 12, 1999 || Socorro || LINEAR || FLO || align=right | 2.5 km || |-id=875 bgcolor=#fefefe | 49875 || || — || December 12, 1999 || Socorro || LINEAR || V || align=right | 1.5 km || |-id=876 bgcolor=#fefefe | 49876 || || — || December 12, 1999 || Socorro || LINEAR || — || align=right | 4.9 km || |-id=877 bgcolor=#fefefe | 49877 || || — || December 12, 1999 || Socorro || LINEAR || — || align=right | 3.8 km || |-id=878 bgcolor=#fefefe | 49878 || || — || December 12, 1999 || Socorro || LINEAR || — || align=right | 3.0 km || |-id=879 bgcolor=#fefefe | 49879 || || — || December 6, 1999 || Socorro || LINEAR || — || align=right | 2.4 km || |-id=880 bgcolor=#fefefe | 49880 || || — || December 8, 1999 || Socorro || LINEAR || — || align=right | 2.2 km || |-id=881 bgcolor=#fefefe | 49881