LIST OF ASTEROIDS/21901–22000

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| 21901 - || || November 10, 1999 || Fountain Hills || C. W. Juels
|-
| 21902 - || || November 10, 1999 || Fountain Hills || C. W. Juels
|-
| 21903 Wallace || || November 10, 1999 || Fountain Hills || C. W. Juels
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| 21904 - || || November 11, 1999 || Fountain Hills || C. W. Juels
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| 21905 - || || November 2, 1999 || Kitt Peak || Spacewatch
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| 21906 - || || November 11, 1999 || Fountain Hills || C. W. Juels
|-
| 21907 - || || November 11, 1999 || Fountain Hills || C. W. Juels
|-
| 21908 - || || November 12, 1999 || Višnjan Observatory || K. Korlević
|-
| 21909 - || || November 12, 1999 || Višnjan Observatory || K. Korlević
|-
| 21910 - || || November 14, 1999 || Fountain Hills || C. W. Juels
|-
| 21911 - || || November 14, 1999 || Fountain Hills || C. W. Juels
|-
| 21912 - || || November 15, 1999 || Fountain Hills || C. W. Juels
|-
| 21913 Taylorjones || || November 3, 1999 || Socorro || LINEAR
|-
| 21914 Melakabinoff || || November 3, 1999 || Socorro || LINEAR
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| 21915 Lavins || || November 3, 1999 || Socorro || LINEAR
|-
| 21916 - || || November 3, 1999 || Socorro || LINEAR
|-
| 21917 - || || November 3, 1999 || Socorro || LINEAR
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| 21918 - || || November 4, 1999 || Catalina || CSS
|-
| 21919 Luga || || November 3, 1999 || Socorro || LINEAR
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| 21920 - || || November 3, 1999 || Socorro || LINEAR
|-
| 21921 Camdenmiller || || November 3, 1999 || Socorro || LINEAR
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| 21922 Mocz || || November 3, 1999 || Socorro || LINEAR
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| 21923 - || || November 3, 1999 || Socorro || LINEAR
|-
| 21924 Alyssaovaitt || || November 4, 1999 || Socorro || LINEAR
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| 21925 Supasternak || || November 4, 1999 || Socorro || LINEAR
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| 21926 Jacobperry || || November 4, 1999 || Socorro || LINEAR
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| 21927 Sarahpierz || || November 4, 1999 || Socorro || LINEAR
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| 21928 Prabakaran || || November 4, 1999 || Socorro || LINEAR
|-
| 21929 Nileshraval || || November 4, 1999 || Socorro || LINEAR
|-
| 21930 - || || November 4, 1999 || Socorro || LINEAR
|-
| 21931 - || || November 4, 1999 || Socorro || LINEAR
|-
| 21932 Rios || || November 4, 1999 || Socorro || LINEAR
|-
| 21933 Aaronrozon || || November 4, 1999 || Socorro || LINEAR
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| 21934 - || || November 7, 1999 || Xinglong || Beijing Schmidt CCD Asteroid Program
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| 21935 - || || November 4, 1999 || Socorro || LINEAR
|-
| 21936 Ryan || || November 4, 1999 || Socorro || LINEAR
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| 21937 Basheehan || || November 4, 1999 || Socorro || LINEAR
|-
| 21938 - || || November 4, 1999 || Socorro || LINEAR
|-
| 21939 Kasmith || || November 4, 1999 || Socorro || LINEAR
|-
| 21940 - || || November 7, 1999 || Socorro || LINEAR
|-
| 21941 - || || November 9, 1999 || Socorro || LINEAR
|-
| 21942 Subramanian || || November 9, 1999 || Socorro || LINEAR
|-
| 21943 - || || November 9, 1999 || Catalina || CSS
|-
| 21944 - || || November 9, 1999 || Kitt Peak || Spacewatch
|-
| 21945 - || || November 13, 1999 || Anderson Mesa || LONEOS
|-
| 21946 - || || November 9, 1999 || Catalina || CSS
|-
| 21947 - || || November 10, 1999 || Kitt Peak || Spacewatch
|-
| 21948 - || || November 14, 1999 || Socorro || LINEAR
|-
| 21949 Tatulian || || November 12, 1999 || Socorro || LINEAR
|-
| 21950 - || || November 14, 1999 || Socorro || LINEAR
|-
| 21951 - || || November 14, 1999 || Socorro || LINEAR
|-
| 21952 Terry || || November 14, 1999 || Socorro || LINEAR
|-
| 21953 - || || November 2, 1999 || Catalina || CSS
|-
| 21954 - || || November 6, 1999 || Socorro || LINEAR
|-
| 21955 - || || November 6, 1999 || Socorro || LINEAR
|-
| 21956 Thangada || || November 6, 1999 || Socorro || LINEAR
|-
| 21957 - || || November 6, 1999 || Socorro || LINEAR
|-
| 21958 Tripuraneni || || November 15, 1999 || Socorro || LINEAR
|-
| 21959 - || || November 15, 1999 || Socorro || LINEAR
|-
| 21960 - || || November 15, 1999 || Socorro || LINEAR
|-
| 21961 - || || November 8, 1999 || Catalina || CSS
|-
| 21962 - || || November 9, 1999 || Anderson Mesa || LONEOS
|-
| 21963 - || || November 13, 1999 || Catalina || CSS
|-
| 21964 - || || November 13, 1999 || Anderson Mesa || LONEOS
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| 21965 - || || November 13, 1999 || Anderson Mesa || LONEOS
|-
| 21966 - || || November 27, 1999 || Anderson Mesa || LONEOS
|-
| 21967 - || || November 30, 1999 || Oizumi || T. Kobayashi
|-
| 21968 - || || November 30, 1999 || Oizumi || T. Kobayashi
|-
| 21969 - || || November 30, 1999 || Kitt Peak || Spacewatch
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| 21970 Tyle || 1999 XC || December 1, 1999 || Socorro || LINEAR
|-
| 21971 - || 1999 XG || December 1, 1999 || Socorro || LINEAR
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| 21972 - || 1999 XU || December 2, 1999 || Socorro || LINEAR
|-
| 21973 - || || December 2, 1999 || Socorro || LINEAR
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| 21974 - || || December 3, 1999 || Fountain Hills || C. W. Juels
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| 21975 - || || December 4, 1999 || Fountain Hills || C. W. Juels
|-
| 21976 - || || December 4, 1999 || Fountain Hills || C. W. Juels
|-
| 21977 - || || December 4, 1999 || Fountain Hills || C. W. Juels
|-
| 21978 - || || December 4, 1999 || Catalina || CSS
|-
| 21979 - || || December 4, 1999 || Catalina || CSS
|-
| 21980 - || || December 4, 1999 || Catalina || CSS
|-
| 21981 - || || December 4, 1999 || Catalina || CSS
|-
| 21982 - || || December 4, 1999 || Gekko || T. Kagawa
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| 21983 - || || December 6, 1999 || Catalina || CSS
|-
| 21984 - || || December 6, 1999 || Catalina || CSS
|-
| 21985 Šejna || || December 2, 1999 || Ondřejov || L. Šarounová
|-
| 21986 Alexanduribe || || December 2, 1999 || Socorro || LINEAR
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| 21987 - || || December 3, 1999 || Socorro || LINEAR
|-
| 21988 - || || December 5, 1999 || Socorro || LINEAR
|-
| 21989 Werntz || || December 5, 1999 || Socorro || LINEAR
|-
| 21990 Garretyazzie || || December 6, 1999 || Socorro || LINEAR
|-
| 21991 Zane || || December 6, 1999 || Socorro || LINEAR
|-
| 21992 - || || December 6, 1999 || Socorro || LINEAR
|-
| 21993 - || || December 6, 1999 || Socorro || LINEAR
|-
| 21994 - || || December 6, 1999 || Socorro || LINEAR
|-
| 21995 - || || December 6, 1999 || Socorro || LINEAR
|-
| 21996 - || || December 6, 1999 || Socorro || LINEAR
|-
| 21997 - || || December 7, 1999 || Fountain Hills || C. W. Juels
|-
| 21998 - || || December 7, 1999 || Fountain Hills || C. W. Juels
|-
| 21999 Disora || || December 7, 1999 || Campo Catino || F. Mallia
|-
| 22000 - || || December 7, 1999 || Socorro || LINEAR
|-