List of asteroids/40901–41000

|| October 7, 1999 || Socorro || LINEAR
-
40903 - || || October 7, 1999 || Socorro || LINEAR
-
40906 - || || October 7, 1999 || Socorro || LINEAR
-
40909 - || || October 7, 1999 || Socorro || LINEAR
-
40912 - || || October 7, 1999 || Socorro || LINEAR
-
40915 - || || October 9, 1999 || Socorro || LINEAR
-
40918 - || || October 10, 1999 || Socorro || LINEAR
-
40921 - || || October 10, 1999 || Socorro || LINEAR
-
40924 - || || October 10, 1999 || Socorro || LINEAR
-
40927 - || || October 12, 1999 || Socorro || LINEAR
-
40930 - || || October 12, 1999 || Socorro || LINEAR
-
40933 - || || October 12, 1999 || Socorro || LINEAR
-
40936 - || || October 13, 1999 || Socorro || LINEAR
-
40939 - || || October 15, 1999 || Socorro || LINEAR
-
40942 - || || October 15, 1999 || Socorro || LINEAR
-
40945 - || || October 15, 1999 || Socorro || LINEAR
-
40948 - || || October 5, 1999 || Catalina || CSS
-
40951 - || || October 3, 1999 || Catalina || CSS
-
40954 - || || October 4, 1999 || Catalina || CSS
-
40957 - || || October 4, 1999 || Anderson Mesa || LONEOS
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40960 - || || October 8, 1999 || Catalina || CSS
-
40963 - || || October 9, 1999 || Catalina || CSS
-
40966 - || || October 8, 1999 || Socorro || LINEAR
-
40969 - || || October 3, 1999 || Socorro || LINEAR
-
40972 - || || October 3, 1999 || Socorro || LINEAR
-
40975 - || || October 7, 1999 || Socorro || LINEAR
-
40978 - || || October 9, 1999 || Socorro || LINEAR
-
40981 - || || October 10, 1999 || Socorro || LINEAR
-
40984 - || || October 12, 1999 || Socorro || LINEAR
-
40987 - || || October 16, 1999 || Višnjan Observatory || K. Korlević
-
40992 - || || October 20, 1999 || Mishima || M. Akiyama
-
40995 - || || October 27, 1999 || Xinglong || BAO Schmidt CCD Asteroid Program
-
40998 - || || October 29, 1999 || Catalina || CSS
-List of asteroids/Helper|409