ACE Weekly 02/01/2011 - 02/07/2011 All ACE spacecraft subsystems are performing nominally. ======================================================================== Orbit/Attitude: Type Attitude Date 02/07/2011 DOY 038 2011 Thrusters 2R 4R+ 4R- Duration 18:59 min Start 16:08:48z Stop 16:27:47z HGAStart -8.42deg HGAStop +7.31deg SunStart 6.16deg SunStop 10.80deg SpinStart 5.0751rpm SpinStop 5.0811rpm Nutation 0.09deg Firing 97 pulses FuelUsed 0.2976lbs FuelRemain 130.8288lbs FinalSCMass 1365.089lbs The next attitude maneuver is scheduled for Friday 02/25/2011. ======================================================================= OCRs: None ======================================================================== Activities: Data Capture: 100% DOY 030-037 2011 DOY 031 IDR files were available on DSN's FDS/DCD system on the following day. ======================================================================== Anomalies: DOY 036 02/05/2011 S-ACE-0583 G11-0011 DSN DCD Failover DSN's DCD system (Data Capture and Delivery) had an automatic failover at 1832z. The system was restored by 1841z and the previous 9 minutes of "back-logged" telemetry was delivered. DR#N107122. IMPACT: Minimal. 9 minute delay of telemetry. There appears to be no problems with the new ability to rapidly receive back-logged telemetry.