ACE Weekly 06/17/2015 - 06/23/2015 All ACE spacecraft subsystems are performing as expected. ======================================================================== Orbit/Attitude: Type Attitude Date 06/23/2015 DOY 174 2015 Thrusters 2R 4R+ 4R- Duration 5:55 minutes Start 16:51:46z Stop 16:57:41z ra,decStart 88.57,40.03 ra,decStop 95.62,39.64 ra,decExpect 95.91,39.50 Deviation 0.24 deg (-4.2%) HGAStart -11.04 deg HGAStop +11.05 deg SunStart 16.89 deg SunStop 16.59 deg SpinStart 5.0148 rpm SpinStop 5.0159 rpm Nutation 0.19 deg Firing 30 pulses FuelUsed 0.0981 lbm FuelRemain 97.6963 lbm FinalSCMass 1331.956 lbm The next attitude maneuver is scheduled for Tuesday, 06/30/2015. ======================================================================== OCRs: None ======================================================================== Activities: Data Capture: 100% DOY 165-172 2015 A successful planned failover to the ACE backup operational system (mmocops1b) was performed on Friday, 06/19/2015. For reference, the operational backup system underwent a series of security patches and ACE operations (i.e, commanding and telemetry) will be conducted on the updated/backup system for approximately the next two weeks (leaving the primary system intact if the need for usage arises). Following this period, the primary operational machine (mmocops1p) will be updated with the required security patches and a transition to the primary system will be performed. The relevant point of contact at ASC (Dr. Andrew Davis) and White Sands/WS1 (David Venzor) were informed of the corresponding IP address changes, required to maintain continuity of ACE data product delivery. ======================================================================== Anomalies: None