|| Anderson Mesa || LONEOS || FLO || align=right | 1.8 km || |-id=968 bgcolor=#fefefe | 49968 || || — || December 3, 1999 || Anderson Mesa || LONEOS || — || align=right | 3.3 km || |-id=969 bgcolor=#fefefe | 49969 || || — || December 6, 1999 || Socorro || LINEAR || — || align=right | 2.2 km || |-id=970 bgcolor=#fefefe | 49970 || || — || December 6, 1999 || Socorro || LINEAR || — || align=right | 1.9 km || |-id=971 bgcolor=#fefefe | 49971 || || — || December 6, 1999 || Socorro || LINEAR || V || align=right | 1.6 km || |-id=972 bgcolor=#E9E9E9 | 49972 || || — || December 12, 1999 || Kitt Peak || Spacewatch || — || align=right | 2.1 km || |-id=973 bgcolor=#fefefe | 49973 || 1999 YQ || — || December 16, 1999 || Socorro || LINEAR || PHO || align=right | 3.4 km || |-id=974 bgcolor=#fefefe | 49974 || || — || December 16, 1999 || Kitt Peak || Spacewatch || NYS || align=right | 2.7 km || |-id=975 bgcolor=#fefefe | 49975 || || — || December 16, 1999 || Socorro || LINEAR || — || align=right | 2.7 km || |-id=976 bgcolor=#fefefe | 49976 || || — || December 28, 1999 || Farpoint || G. Hug, G. Bell || — || align=right | 2.4 km || |-id=977 bgcolor=#fefefe | 49977 || || — || December 28, 1999 || Farpoint || G. Hug, G. Bell || — || align=right | 2.2 km || |-id=978 bgcolor=#fefefe | 49978 || || — || December 28, 1999 || Socorro || LINEAR || PHO || align=right | 3.8 km || |-id=979 bgcolor=#fefefe | 49979 || || — || December 27, 1999 || Kitt Peak || Spacewatch || NYS || align=right | 2.6 km || |-id=980 bgcolor=#fefefe | 49980 || || — || December 27, 1999 || Kitt Peak || Spacewatch || FLO || align=right | 1.4 km || |-id=981 bgcolor=#fefefe | 49981 || || — || December 30, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 2.9 km || |-id=982 bgcolor=#fefefe | 49982 || || — || December 31, 1999 || Anderson Mesa || LONEOS || — || align=right | 4.3 km || |-id=983 bgcolor=#fefefe | 49983 || || — || December 31, 1999 || Anderson Mesa || LONEOS || NYS || align=right | 1.7 km || |-id=984 bgcolor=#fefefe