ACE Weekly 11/06/2013 - 11/12/2013

All ACE spacecraft subsystems are performing as expected.

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Orbit/Attitude:

	Type         Attitude
	Date         11/12/2013
	DOY          316 2013
	Thrusters    2R 4R+ 4R-
	Duration     9:12 min
	Start        17:44:33z
	Stop         17:53:45z
	HGAStart     -8.69 deg
	HGAStop      +8.98 deg
	SunStart      8.42 deg
	SunStop      15.02 deg
	SpinStart    4.9691 rpm
	SpinStop     4.9713 rpm
	Nutation      0.12 deg
	Firing       46 pulses
	FuelUsed       0.1475 lbm
	FuelRemain   110.5348 lbm
	FinalSCMass  1344.795 lbm

The next attitude maneuver is scheduled for Monday 11/18/2013.

ACE crossed the ecliptic plane on 11/6/2013.  The previous maneuver
(11/5/2013) had been larger (88 pulses 0.2658lbm) as the spacecraft was
turned from pointing -7degrees below the ecliptic plane to +8 degrees
above the ecliptic plane.

We have again avoided a dog-leg maneuver (last occurrence 9/2/2008).
Dog-leg maneuvers are needed when the sun-pulse and thruster firing
would occur at the same time, which happens at a particular corner of
the L1 orbit.  We anticipate executing one or more dog-leg maneuvers
every 6-months starting May 2014.  (Refer to 4/30/2013 weekly report
for a further description of dog-leg maneuvers.)

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OCRs:

None

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Activities:

Data Capture:  100%  DOY 307-314 2013


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Anomalies:

DOY 312  11/08/2013  S-ACE-0635  G11-0061  No Telemetry from MUS
The MMOC SLE software (Multi-User SLE, MUS) was not sending RT telemetry
to ITOS or ace_data_fwd.  This problem does not occur often (last time
01/08/2012).  There are no messages in the event log for this problem
and no automatic recovery programmed into the system.
IMPACT:  Manual intervention required.  Activities delayed 16 minutes.