ACE Weekly 05/20/2009 - 06/02/2009

All ACE spacecraft subsystems are performing nominally.

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Orbit/Attitude:

No maneuvers were completed this week.  The next attitude maneuver is
scheduled for Friday 06/05/2009.  Station-Keeping#51 is tentatively
scheduled for Thursday 06/25/2009.

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OCRs:

None

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Activities:

Data Capture:  99.98%  DOY 144-151 2009
This week (AR#G09-0040) marks the end of the longest streak (8 months)
of complete playback data capture for the ACE mission.


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Anomalies:

DOY 146  05/26/2009  S-ACE-0444  G09-0039  ROBOTT/C&C Reboot
For unknown reasons, the MOC automation software (ROBOTT/C&C) rebooted.
IMPACT:  Minimal.  The C&C software was running normally within 5
minutes.

DOY 150  05/30/2009  S-ACE-0445  G09-0040  Redump not performed
Occasionally, there is insufficient time in a pass to complete a
playback.  The FOT procedures will shorten the playback and complete the
playback on the following pass.  On DOY 149, the playback was shortened
to not include the last partial slice.  When the redump was calculated
for the following day (DOY 150), the last partial slice was not
included.  MOCR#1391 has been submitted to update the FOT tool used for
calculating redumps.
IMPACT:  103 seconds of playback data was not dumped (DOY 149
22:03:42-22:05:24).