ACE Weekly 05/06/2009 - 05/12/2009

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 05/15/2009.

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OCRs:

None

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Activities:

Data Capture:  100%  DOY 109-116 2009

NISN/Nascom updated their configuration for sending real-time data to
the new ASC address on May 6.  ASC (ACE Science Center) had not received
real-time data from April 14 through May 5 (DOY 104-125).

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Anomalies:

Update on AR#G09-0027  DSS-27 Red
DSS-27 downtime has been extended to Thursday May 14.  From April 23
through May 14 (DOY 113-134), 14 of the 22 ACE passes had been scheduled
with DSS-27.   The downtime was originally expected to end Friday May 8
and had been extended to Tuesday May 12.  There will be no ACE pass on
May 14 (DOY 134); data capture should not be impacted.  If the DSS-27
downtime is again extended, the ACE pass schedule will be further
modified.


DOY 131  05/11/2009  S-ACE-0436  G09-0031  DSS-46 Power Outage
The Canberra site experienced a power outage during scheduled provider
line maintenance (2117z).  Telemetry and uplink restored by 2244z.
DR#C106921.
IMPACT:  27 minute outage.  SSR redumps were performed at the end of the
pass.