ACE Weekly 06/17/2009 - 06/23/2009

All ACE spacecraft subsystems are performing nominally.

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Orbit/Attitude:

	Type        Attitude
	Date        06/17/2009
	DOY         168 2009
	Thrusters   2R 4R+ 4R-
	Duration    17:24 min
	Start       13:55:18z
	Stop        14:12:42z
	HGAStart    -7.94deg
	HGAStop     +7.93deg
	SunStart     9.64deg
	SunStop      9.60deg
	SpinStart   5.0232rpm
	SpinStop    5.0289rpm
	Nutation     0.20deg
	Firing      88 pulses
	FuelUsed      0.2805lbs
	FuelRemain  142.4672lbs
	FinalSCMass 1376.727lbs

The next attitude maneuver and station-keeping #51 are scheduled for
Thursday 06/25/2009.

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OCRs:

None

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Activities:

Data Capture:  100%  DOY 165-172 2009


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Anomalies:

DOY 173  06/22/2009  S-ACE-0449  G09-0044  DSS-45 Telemetry Problems
The ground station started losing symbol lock (1911z) 35 minutes before
End Of Track (1945z).  A second Downlink Channel Control (DCC) was
configured and the ground station established a good lock on telemetry
(1935z).  DR#G109509
IMPACT:  Minimal.  SSR Playback had already completed.