List of asteroids/120901–121000

|| September 17, 1998 || Kitt Peak || Spacewatch
-
120903 - || || September 23, 1998 || Kitt Peak || Spacewatch
-
120906 - || || September 25, 1998 || Kitt Peak || Spacewatch
-
120909 - || || September 20, 1998 || La Silla || E. W. Elst
-
120912 - || || September 26, 1998 || Socorro || LINEAR
-
120915 - || || September 26, 1998 || Socorro || LINEAR
-
120918 - || || September 26, 1998 || Socorro || LINEAR
-
120921 - || || September 26, 1998 || Socorro || LINEAR
-
120924 - || || September 26, 1998 || Socorro || LINEAR
-
120927 - || || September 26, 1998 || Socorro || LINEAR
-
120930 - || || September 26, 1998 || Socorro || LINEAR
-
120933 - || || September 26, 1998 || Socorro || LINEAR
-
120936 - || || September 26, 1998 || Socorro || LINEAR
-
120939 - || || October 14, 1998 || Caussols || ODAS
-
120942 - || || October 14, 1998 || Kitt Peak || Spacewatch
-
120945 - || || October 15, 1998 || Kitt Peak || Spacewatch
-
120948 - || || October 20, 1998 || Farra d'Isonzo || Farra d'Isonzo
-
120951 - || || October 28, 1998 || Socorro || LINEAR
-
120954 - || || October 28, 1998 || Socorro || LINEAR
-
120957 - || || October 17, 1998 || Anderson Mesa || LONEOS
-
120960 - || || November 10, 1998 || Socorro || LINEAR
-
120963 - || || November 10, 1998 || Socorro || LINEAR
-
120966 - || || November 10, 1998 || Reedy Creek || J. Broughton
-
120969 - || || November 11, 1998 || Socorro || LINEAR
-
120972 - || || November 18, 1998 || Chichibu || N. Sato
-
120975 - || || November 19, 1998 || Kitt Peak || Spacewatch
-
120978 - || || December 8, 1998 || Kitt Peak || Spacewatch
-
120982 - || || December 8, 1998 || Kitt Peak || Spacewatch
-
120985 - || || December 8, 1998 || Kitt Peak || Spacewatch
-
120988 - || || December 10, 1998 || Kitt Peak || Spacewatch
-
120991 - || || December 13, 1998 || Kitt Peak || Spacewatch
-
120994 - || || December 15, 1998 || Socorro || LINEAR
-
120997 - || || December 17, 1998 || Caussols || ODAS
-
121000 - ||