ACE Weekly 06/11/2014 - 06/17/2014

All ACE spacecraft subsystems are performing as expected.

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Orbit/Attitude:

	Type          Attitude
	Date          06/17/2014
	DOY           168 2014
	Thrusters     2R 4R+ 4R-
	Duration       3:33 min
	Start         19:56:05z
	Stop          19:59:38z
	ra,decStart  91.53,39.21
	ra,decStop   95.60,39.71
	ra,decExpect 95.96,39.70
	Deviation      0.28 deg
	HGAStart      -9.99 deg
	HGAStop      +10.94 deg
	SunStart      16.59 deg
	SunStop       18.32 deg
	SpinStart    4.9971 rpm
	SpinStop     4.9978 rpm
	Nutation       0.15 deg
	Firing        18 pulses
	FuelUsed        0.0626 lbm
	FuelRemain    106.2232 lbm
	FinalSCMass   1341.483 lbm

The next attitude maneuver is scheduled for 06/24/2014.  Station Keeping
maneuver #70 is scheduled for 7/1/2014.

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OCRs:

None

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Activities:

Data Capture:  100%  DOY 159-166 2014


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Anomalies:

DOY 168  06/17/2014 S-ACE-0677  G14-0005  DSS-24 Earth Receive Time
DSS-24 Earth Receive Time was behind by 0.091 seconds after the
spacecraft switched to the high data rate (1 frame every 0.091 seconds).
This is an intermittent problem (AR 118839) with the Receiver, Ranging,
and Telemetry (RRT) software v11.3.6 at Goldstone.  DSN has a workaround
for this problem which is to halt and re-acquire the TLP after the data
rate change.  This may not have been performed for this pass.  An email
has been sent to the DSN NOPEs (Network Operations Project Engineers)
informing them of the recurrence.  DR# N109634.  This last occurred
5/28/2014.
IMPACT:  Clock report for DOY 148 manually regenerated with bad data
excluded and sent to the ACE Science Center.  Note, the deviation
between the old and new clock reports is minimal.  The updated report
rounded down the seconds at midnight and the previous report had rounded
up the seconds at midnight.  There is no problem continuing to use the
previous clock report to avoid regenerating products.