| 49984 || || — || January 2, 2000 || Kitt Peak || Spacewatch || V || align=right | 2.0 km || |-id=985 bgcolor=#fefefe | 49985 || || — || January 2, 2000 || Višnjan Observatory || K. Korlević || FLO || align=right | 1.9 km || |-id=986 bgcolor=#fefefe | 49986 || || — || January 3, 2000 || Oizumi || T. Kobayashi || — || align=right | 2.3 km || |-id=987 bgcolor=#E9E9E9 | 49987 Bonata || || || January 3, 2000 || San Marcello || L. Tesi, G. Forti || — || align=right | 3.3 km || |-id=988 bgcolor=#fefefe | 49988 || || — || January 3, 2000 || Gekko || T. Kagawa || — || align=right | 2.0 km || |-id=989 bgcolor=#fefefe | 49989 || || — || January 2, 2000 || Višnjan Observatory || K. Korlević || — || align=right | 1.8 km || |-id=990 bgcolor=#fefefe | 49990 || || — || January 4, 2000 || Višnjan Observatory || K. Korlević || — || align=right | 2.8 km || |-id=991 bgcolor=#E9E9E9 | 49991 || || — || January 4, 2000 || Kitt Peak || Spacewatch || — || align=right | 2.0 km || |-id=992 bgcolor=#E9E9E9 | 49992 || || — || January 2, 2000 || Socorro || LINEAR || — || align=right | 2.7 km || |-id=993 bgcolor=#fefefe | 49993 || || — || January 2, 2000 || Socorro || LINEAR || — || align=right | 2.7 km || |-id=994 bgcolor=#fefefe | 49994 || || — || January 2, 2000 || Socorro || LINEAR || FLO || align=right | 3.0 km || |-id=995 bgcolor=#fefefe | 49995 || || — || January 3, 2000 || Socorro || LINEAR || — || align=right | 2.0 km || |-id=996 bgcolor=#fefefe | 49996 || || — || January 3, 2000 || Socorro || LINEAR || NYS || align=right | 3.7 km || |-id=997 bgcolor=#fefefe | 49997 || || — || January 3, 2000 || Socorro || LINEAR || — || align=right | 6.1 km || |-id=998 bgcolor=#fefefe | 49998 || || — || January 3, 2000 || Socorro || LINEAR || — || align=right | 2.2 km || |-id=999 bgcolor=#fefefe | 49999 || || — || January 3, 2000 || Socorro || LINEAR || — || align=right | 4.0 km || |-id=000 bgcolor=#C2E0FF | 50000 Quaoar || || || June 4, 2002 || Palomar || C. Trujillo, M. E. Brown ||