ACE Weekly 12/14/2010 - 12/20/2010

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 Thursday 12/23/2010.

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OCRs:

None

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Activities:

Data Capture:  100%  DOY 346-353 2010

There is a higher than normal risk of data loss from October 2010
through February 2011.  If there are problems with the passes, it may
not be possible to acquire additional DSN time.

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Anomalies:

DOY 352  12/18/2010  S-ACE-0567  G10-0082  DSN DCD Problems
Faulty file query process caused DCD1-20 and DCD2-20 to swap prime and
backup states every few minutes. DR#N106933 and N106950.
IMPACT:  Being investigated