ACE Weekly 10/14/2009 - 10/20/2009 All ACE spacecraft subsystems are performing nominally. ======================================================================== Orbit/Attitude: Type Attitude Date 10/16/2009 DOY 289 2009 Thrusters 2R 4R+ 4R- Duration 15:01 min Start 12:59:26z Stop 13:14:27z HGAStart -7.57deg HGAStop +7.45deg SunStart 16.99deg SunStop 5.02deg SpinStart 5.0238rpm SpinStop 5.0267rpm Nutation 0.03deg Firing 76 pulses FuelUsed 0.2402lbs FuelRemain 140.3164lbs FinalSCMass 1374.576lbs The next attitude maneuver is scheduled for Friday 10/30/2009. ======================================================================= OCRs: None ======================================================================== Activities: Data Capture: 100% DOY 284-291 2009 ======================================================================== Anomalies: DOY 292 10/19/2009 S-ACE-0467 G09-0056 Tape Drive #1 Failure The tape drive used for data archives in the ACE MOC failed. Hardware Maintenance replaced the tape drive on DOY 293. The following table provides the previous tape drive failures in the ACE MOC. Tape Drive 1 06/26/2006 G06-0067 Tape Drive 2 05/23/2007 G07-0045 Tape Drive 3 04/17/2007 G07-0028 IMPACT: Minimal. Telemetry archives are performed on Mondays, configuration archives are performed on Wednesdays. The telemetry archive was performed on the following day.