ACE Weekly 06/04/2014 - 06/10/2014

All ACE spacecraft subsystems are performing as expected.

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Orbit/Attitude:

	Type          Attitude
	Date          06/10/2014
	DOY           161 2014
	Thrusters     2R 4R+ 4R-
	Duration       8:09 min
	Start         16:26:48z
	Stop          16:34:57z
	ra,decStart  81.86,39.22
	ra,decStop   91.99,38.97
	ra,decExpect 91.84,39.06
	Deviation      0.15 deg
	HGAStart     -10.87 deg
	HGAStop      +11.06 deg
	SunStart      16.51 deg
	SunStop       19.69 deg
	SpinStart    4.9954 rpm
	SpinStop     4.9974 rpm
	Nutation       0.13 deg
	Firing        41 pulses
	FuelUsed        0.1314 lbm
	FuelRemain    106.2856 lbm
	FinalSCMass   1341.545 lbm

The next attitude maneuver is scheduled for 06/17/2014.

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OCRs:

DOY 157 (6/6/2013) 1519-1521z  SIS-063  2 cmds
Noisy Matrix detector strip M1B HV #14 was disabled.  This strip had
been re-enabled on 01/22/2013 along with 3 other strips (M1B HV #2, #18,
#33).  The other 3 strips were subsequently re-disabled this past
fall/winter (#2 10/29/2013, #18 11/20/2013, #33 12/30/2013).

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Activities:

Data Capture:  99.41%  DOY 152-159 2014
   DOY 157 07:14:47-07:14:49     3 seconds lost
   DOY 157 13:53:07-13:59:41   395 seconds lost             6min 35sec
   DOY 157 13:59:42-14:52:39  3178 seconds covered by ADC  52min 58sec
   DOY 159 09:49:48-09:50:18    31 seconds lost

The recorder playback had been behind when DSN's DSS-54 station had
transmitter problems.  A short 1-hour pass was scheduled to recover most
of the 7.5 hours of remaining data before the recorder failover erased
it.

   ADC data includes:    CRIS, EPAM, MAG, SIS, and SWEPAM-I
   but does not include: SWEPAM-E, SWICS, SWIMS and ULEIS

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Anomalies:

DOY 158  06/07/2014 S-ACE-0678  G14-0006  DSS-54 Transmitter Problem
The DSS-54 transmitter was unavailable for the complete pass, "Unable to
Cal XMTR. Alarm; Cal error cannot set Drive power".  Since pass
activities are initiated from ground command, no recorded data was
recovered.  DR#M108022
IMPACT:  The recorder playback had been behind due to short passes over
the previous 3 days.  A short 1-hour pass was scheduled to recover most
of the 7.5 hours of remaining data.  7.2 minutes of data was lost from
all instruments, another 43 minutes lost from SWEPAM-E, SWICS, SWIMS and
ULEIS.