ACE Weekly 05/22/2013 - 05/28/2013 All ACE spacecraft subsystems are performing as expected. ======================================================================== Orbit/Attitude: Type Attitude Date 05/28/2013 DOY 148 2013 Thrusters 2R 4R+ 4R- Duration 7:49 min Start 16:36:39z Stop 16:44:28z HGAStart -8.63 deg HGAStop +9.01 deg SunStart 12.42 deg SunStop 17.42 deg SpinStart 4.9460 rpm SpinStop 4.9477 rpm Nutation 0.18 deg Firing 38 pulses FuelUsed 0.1245 lbm FuelRemain 113.9264 lbm FinalSCMass 1348.186 lbm The next attitude maneuver is scheduled for Tuesday 06/04/2013. ======================================================================== OCRs: DOY 148 (05/28/2013) 1625-1928z CRIS-011 The Image Intensifier was powered on after being automatically safeguarded during the last week's solar activity (Thursday 5/23/2013 01:30z, DOY 143). This OCR was last executed on 03/12/2012. This is the third time the CRIS Image Intensifier has safeguarded during the current solar max (2012-2013). From 2000 to 2006, the Image Intensifier had safeguarded 16 times. ======================================================================== Activities: Data Capture: 100% DOY 139-149 2013 As expected, the ULEIS shutter closed during last week's solar storm Fri May 24 2013, DOY 144 15:39:32z closed to 25% Sat May 25 2013, DOY 145 08:54:12z closed to 6% Sat May 25 2013, DOY 145 20:29:40z opened to 25% Sat May 25 2013, DOY 145 22:56:52z opened to 100% ======================================================================== Anomalies: None