December 8, 1999 || Socorro || LINEAR || — || align=right | 4.6 km || |-id=899 bgcolor=#fefefe | 49899 || || — || December 8, 1999 || Kitt Peak || Spacewatch || — || align=right | 2.1 km || |-id=900 bgcolor=#E9E9E9 | 49900 || || — || December 8, 1999 || Catalina || CSS || — || align=right | 6.1 km || |} 49901–50000 |-bgcolor=#fefefe | 49901 || || — || December 8, 1999 || Socorro || LINEAR || — || align=right | 2.3 km || |-id=902 bgcolor=#E9E9E9 | 49902 || || — || December 8, 1999 || Socorro || LINEAR || GEF || align=right | 3.0 km || |-id=903 bgcolor=#E9E9E9 | 49903 || || — || December 8, 1999 || Socorro || LINEAR || — || align=right | 2.8 km || |-id=904 bgcolor=#fefefe | 49904 || || — || December 8, 1999 || Socorro || LINEAR || — || align=right | 5.2 km || |-id=905 bgcolor=#fefefe | 49905 || || — || December 8, 1999 || Socorro || LINEAR || — || align=right | 2.1 km || |-id=906 bgcolor=#E9E9E9 | 49906 || || — || December 8, 1999 || Socorro || LINEAR || — || align=right | 3.0 km || |-id=907 bgcolor=#fefefe | 49907 || || — || December 9, 1999 || Socorro || LINEAR || V || align=right | 3.7 km || |-id=908 bgcolor=#fefefe | 49908 || || — || December 10, 1999 || Socorro || LINEAR || — || align=right | 3.6 km || |-id=909 bgcolor=#fefefe | 49909 || || — || December 10, 1999 || Socorro || LINEAR || — || align=right | 4.1 km || |-id=910 bgcolor=#fefefe | 49910 || || — || December 10, 1999 || Socorro || LINEAR || — || align=right | 2.8 km || |-id=911 bgcolor=#fefefe | 49911 || || — || December 10, 1999 || Socorro || LINEAR || — || align=right | 4.4 km || |-id=912 bgcolor=#fefefe | 49912 || || — || December 10, 1999 || Socorro || LINEAR || FLO || align=right | 2.4 km || |-id=913 bgcolor=#fefefe | 49913 || || — || December 10, 1999 || Socorro || LINEAR || FLO || align=right | 2.0 km || |-id=914 bgcolor=#fefefe | 49914 || || — || December 10, 1999 || Socorro || LINEAR || NYS || align=right | 1.3 km || |-id=915 bgcolor=#fefefe | 49915 || || — || December 10, 1999 || Socorro || LINEAR