List of asteroids/121601–121700

|| November 12, 1999 || Socorro || LINEAR
-
121603 - || || November 9, 1999 || Kitt Peak || Spacewatch
-
121606 - || || November 11, 1999 || Catalina || CSS
-
121609 - || || November 14, 1999 || Socorro || LINEAR
-
121612 - || || November 11, 1999 || Kitt Peak || Spacewatch
-
121615 - || || November 14, 1999 || Socorro || LINEAR
-
121618 - || || November 14, 1999 || Socorro || LINEAR
-
121621 - || || November 14, 1999 || Socorro || LINEAR
-
121624 - || || November 6, 1999 || Socorro || LINEAR
-
121627 - || || November 15, 1999 || Socorro || LINEAR
-
121630 - || || November 1, 1999 || Catalina || CSS
-
121633 - || || November 3, 1999 || Socorro || LINEAR
-
121636 - || || November 3, 1999 || Socorro || LINEAR
-
121639 - || || November 5, 1999 || Socorro || LINEAR
-
121642 - || || November 28, 1999 || Višnjan Observatory || K. Korlević
-
121645 - || || November 28, 1999 || Kitt Peak || Spacewatch
-
121648 - || || November 30, 1999 || Kitt Peak || Spacewatch
-
121651 - || || December 4, 1999 || Catalina || CSS
-
121655 - || || December 4, 1999 || Catalina || CSS
-
121658 - || || December 5, 1999 || Socorro || LINEAR
-
121661 - || || December 6, 1999 || Socorro || LINEAR
-
121664 - || || December 7, 1999 || Socorro || LINEAR
-
121667 - || || December 7, 1999 || Socorro || LINEAR
-
121670 - || || December 7, 1999 || Socorro || LINEAR
-
121673 - || || December 7, 1999 || Socorro || LINEAR
-
121676 - || || December 7, 1999 || Socorro || LINEAR
-
121679 - || || December 7, 1999 || Socorro || LINEAR
-
121682 - || || December 7, 1999 || Socorro || LINEAR
-
121685 - || || December 7, 1999 || Socorro || LINEAR
-
121688 - || || December 7, 1999 || Socorro || LINEAR
-
121691 - || || December 7, 1999 || Socorro || LINEAR
-
121694 - || || December 7, 1999 || Socorro || LINEAR
-
121697 - || || December 7, 1999 || Socorro || LINEAR
-
121700 - ||