ACE Weekly Report: 01-31-01 All ACE spacecraft subsystems are performing nominally. An attitude maneuver was successfully executed on 01-26-01. The next attitude maneuver is scheduled for 01-06-01. ACE's next Z-axis control burns are scheduled for February 6th and 7th. The last Z-axis control burns were performed in August 2000. SIS OCR was executed on 01-30-01 to improve the instrument's performance during future big solar events.