ACE Weekly 12/16/2009 - 12/22/2009 All ACE spacecraft subsystems are performing nominally. ======================================================================== Orbit/Attitude: Type Attitude Date 12/21/2009 DOY 355 2009 Thrusters 2R 4R+ 4R- Duration 17:32 min Start 16:44:53z Stop 17:02:25z HGAStart -7.97deg HGAStop +7.48deg SunStart 6.72deg SunStop 12.63deg SpinStart 5.0415rpm SpinStop 5.0461rpm Nutation 0.08deg Firing 89 pulses FuelUsed 0.2738lbs FuelRemain 138.8960lbs FinalSCMass 1373.156lbs The next attitude maneuver is scheduled for Wednesday 12/30/2009. ======================================================================= OCRs: None ======================================================================== Activities: Data Capture: 100% DOY 347-354 2009 ======================================================================== Anomalies: DOY 353 12/19/2008 S-ACE-0475 S09-0011 SEPICA 30kV Discharge Flag The SEPICA 30kV Discharge (SSS30KSTATH) and SSSALARMS flagged on DOY 353 2009 at 07:22:33z. SSS30KV and SSS30KI remain nominal at values of 4.0392kV and 34.3mA, respectively. Previous occurrences are listed. DOY 165 2001 16:03:04 DOY 364 2004 06:08:32 DOY 146 2008 17:20:01 DOY 258 2008 02:32:52 DOY 353 2009 07:22:33 Mark Popecki has been notified and OCR SEP-071 is available if the only action needed is to clear the flag (i.e. transient current). IMPACT: Awaiting instructions from Mark Popecki.