ACE Weekly 10/14/2009 - 10/20/2009

All ACE spacecraft subsystems are performing nominally.

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Orbit/Attitude:

	Type        Attitude
	Date        10/16/2009
	DOY         289 2009
	Thrusters   2R 4R+ 4R-
	Duration    15:01 min
	Start       12:59:26z
	Stop        13:14:27z
	HGAStart    -7.57deg
	HGAStop     +7.45deg
	SunStart    16.99deg
	SunStop      5.02deg
	SpinStart   5.0238rpm
	SpinStop    5.0267rpm
	Nutation     0.03deg
	Firing      76 pulses
	FuelUsed      0.2402lbs
	FuelRemain  140.3164lbs
	FinalSCMass 1374.576lbs

The next attitude maneuver is scheduled for Friday 10/30/2009.

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OCRs:

None

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Activities:

Data Capture:  100%  DOY 284-291 2009


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Anomalies:

DOY 292  10/19/2009  S-ACE-0467  G09-0056  Tape Drive #1 Failure
The tape drive used for data archives in the ACE MOC failed.  Hardware
Maintenance replaced the tape drive on DOY 293.  The following table
provides the previous tape drive failures in the ACE MOC.
	Tape Drive 1   06/26/2006   G06-0067
	Tape Drive 2   05/23/2007   G07-0045
	Tape Drive 3   04/17/2007   G07-0028
IMPACT:  Minimal.  Telemetry archives are performed on Mondays,
configuration archives are performed on Wednesdays.  The telemetry
archive was performed on the following day.