LIST OF ASTEROIDS/49901–50000

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| 49901 - || || December 8, 1999 || Socorro || LINEAR
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| 49902 - || || December 8, 1999 || Socorro || LINEAR
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| 49903 - || || December 8, 1999 || Socorro || LINEAR
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| 49904 - || || December 8, 1999 || Socorro || LINEAR
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| 49905 - || || December 8, 1999 || Socorro || LINEAR
|-
| 49906 - || || December 8, 1999 || Socorro || LINEAR
|-
| 49907 - || || December 9, 1999 || Socorro || LINEAR
|-
| 49908 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49909 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49910 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49911 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49912 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49913 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49914 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49915 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49916 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49917 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49918 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49919 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49920 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49921 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49922 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49923 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49924 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49925 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49926 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49927 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49928 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49929 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49930 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49931 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49932 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49933 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49934 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49935 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49936 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49937 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49938 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49939 - || || December 10, 1999 || Socorro || LINEAR
|-
| 49940 - || || December 12, 1999 || Socorro || LINEAR
|-
| 49941 - || || December 12, 1999 || Socorro || LINEAR
|-
| 49942 - || || December 12, 1999 || Socorro || LINEAR
|-
| 49943 - || || December 12, 1999 || Socorro || LINEAR
|-
| 49944 - || || December 12, 1999 || Socorro || LINEAR
|-
| 49945 - || || December 12, 1999 || Socorro || LINEAR
|-
| 49946 - || || December 12, 1999 || Socorro || LINEAR
|-
| 49947 - || || December 12, 1999 || Socorro || LINEAR
|-
| 49948 - || || December 12, 1999 || Socorro || LINEAR
|-
| 49949 - || || December 12, 1999 || Socorro || LINEAR
|-
| 49950 - || || December 12, 1999 || Socorro || LINEAR
|-
| 49951 - || || December 13, 1999 || Socorro || LINEAR
|-
| 49952 - || || December 14, 1999 || Socorro || LINEAR
|-
| 49953 - || || December 14, 1999 || Socorro || LINEAR
|-
| 49954 - || || December 13, 1999 || Kitt Peak || Spacewatch
|-
| 49955 - || || December 13, 1999 || Kitt Peak || Spacewatch
|-
| 49956 - || || December 14, 1999 || Socorro || LINEAR
|-
| 49957 - || || December 15, 1999 || Socorro || LINEAR
|-
| 49958 - || || December 15, 1999 || Socorro || LINEAR
|-
| 49959 - || || December 13, 1999 || Kitt Peak || Spacewatch
|-
| 49960 - || || December 13, 1999 || Kitt Peak || Spacewatch
|-
| 49961 - || || December 15, 1999 || Kitt Peak || Spacewatch
|-
| 49962 - || || December 15, 1999 || Kitt Peak || Spacewatch
|-
| 49963 - || || December 14, 1999 || Kitt Peak || Spacewatch
|-
| 49964 - || || December 14, 1999 || Kitt Peak || Spacewatch
|-
| 49965 - || || December 7, 1999 || Catalina || CSS
|-
| 49966 - || || December 8, 1999 || Socorro || LINEAR
|-
| 49967 - || || December 3, 1999 || Anderson Mesa || LONEOS
|-
| 49968 - || || December 3, 1999 || Anderson Mesa || LONEOS
|-
| 49969 - || || December 6, 1999 || Socorro || LINEAR
|-
| 49970 - || || December 6, 1999 || Socorro || LINEAR
|-
| 49971 - || || December 6, 1999 || Socorro || LINEAR
|-
| 49972 - || || December 12, 1999 || Kitt Peak || Spacewatch
|-
| 49973 - || 1999 YQ || December 16, 1999 || Socorro || LINEAR
|-
| 49974 - || || December 16, 1999 || Kitt Peak || Spacewatch
|-
| 49975 - || || December 16, 1999 || Socorro || LINEAR
|-
| 49976 - || || December 28, 1999 || Farpoint || G. Hug, G. Bell
|-
| 49977 - || || December 28, 1999 || Farpoint || G. Hug, G. Bell
|-
| 49978 - || || December 28, 1999 || Socorro || LINEAR
|-
| 49979 - || || December 27, 1999 || Kitt Peak || Spacewatch
|-
| 49980 - || || December 27, 1999 || Kitt Peak || Spacewatch
|-
| 49981 - || || December 30, 1999 || Višnjan Observatory || K. Korlević
|-
| 49982 - || || December 31, 1999 || Anderson Mesa || LONEOS
|-
| 49983 - || || December 31, 1999 || Anderson Mesa || LONEOS
|-
| 49984 - || || January 2, 2000 || Kitt Peak || Spacewatch
|-
| 49985 - || || January 2, 2000 || Višnjan Observatory || K. Korlević
|-
| 49986 - || || January 3, 2000 || Oizumi || T. Kobayashi
|-
| 49987 - || || January 3, 2000 || San Marcello || L. Tesi, G. Forti
|-
| 49988 - || || January 3, 2000 || Gekko || T. Kagawa
|-
| 49989 - || || January 2, 2000 || Višnjan Observatory || K. Korlević
|-
| 49990 - || || January 4, 2000 || Višnjan Observatory || K. Korlević
|-
| 49991 - || || January 4, 2000 || Kitt Peak || Spacewatch
|-
| 49992 - || || January 2, 2000 || Socorro || LINEAR
|-
| 49993 - || || January 2, 2000 || Socorro || LINEAR
|-
| 49994 - || || January 2, 2000 || Socorro || LINEAR
|-
| 49995 - || || January 3, 2000 || Socorro || LINEAR
|-
| 49996 - || || January 3, 2000 || Socorro || LINEAR
|-
| 49997 - || || January 3, 2000 || Socorro || LINEAR
|-
| 49998 - || || January 3, 2000 || Socorro || LINEAR
|-
| 49999 - || || January 3, 2000 || Socorro || LINEAR
|-
| 50000 Quaoar || || June 4, 2002 || Palomar || C. A. Trujillo, M. E. Brown
|-