Subject: Satellite Outage/Anomaly: GOES-15 Star Tracker Anomaly-(Status
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*Topic: *GOES-15 Star Tracker Anomaly - Status Update
*Date/Time Issued:* 2015 Jun 10 2347 UTC
*Product(s) or Data Impacted: *GOES-15 Products
*Date/Time of Initial Impact:*2015 April 2320:32 UTC
*Date/Time of Expected End: *TBD*
*
*Length of Outage: *TBD
*Details/Specifics of Change: *
As of 1900z Jun 26, Star Tracker 2 on GOES-15 remains offline.GOES-15
remains fully operational as GOES-WEST, utilizing a single star tracker
to maintain attitude control.Product accuracy continues to remain
within
specifications approximately 95% of the time.
On Jul 6,Ball presented “patch-1”, a series of diagnostic patches to
determine if star tracker 2 can be recovered with a software patch
upload. Ball's current focus is on the SRAM and investigation is
ongoing. On Jul 7, NOAA executed Ball’s patch-1, which did not produce
the hoped-for results.NOAA developed an additional test for the patch-1
upload and held a teleconference on Friday July 10 to get NASA, Boeing,
and Ball concurrence. NOAA plans to execute the follow-on patch-1
testing on Mon, Jul 13 prior to the next anomaly teleconference
scheduled for the afternoon of Jul 13. (T. Johnson x4247)
**
**
In the absence of a significant change of status, the next status
update
will be published on Friday, Jul 17th.
*Contact Information for Further Information:* ESPC Operations at
ESPCOperations@noaa.gov and 301-817-3880
**
*Web Site(s) for applicable information:* N/A*
*
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Topic: GOES-15 Star
Tracker Anomaly - Status Update
Date/Time
Issued: 2015 Jun 10 2347 UTC
Product(s) or Data
Impacted:
GOES-15 Products
Date/Time of Initial
Impact:2015 April 2320:32 UTC
Date/Time of Expected
End: TBD
Length
of Outage: TBD
Details/Specifics
of Change:
As of 1900z Jun 26, Star Tracker 2 on GOES-15
remains offline.GOES-15
remains fully operational as GOES-WEST, utilizing a single star
tracker to maintain attitude control.Product accuracy continues to
remain within specifications approximately 95% of the
time.
On Jul 6,Ball
presented
“patch-1”, a series of diagnostic patches to determine if star
tracker 2 can be recovered with a software patch upload. Ball's
current focus
is on the SRAM and investigation is ongoing. On Jul 7, NOAA
executed Ball’s
patch-1, which did not produce the hoped-for results.NOAA developed an
additional test for the
patch-1 upload and held a teleconference on Friday July 10 to
get NASA, Boeing,
and Ball concurrence. NOAA plans to execute the follow-on
patch-1 testing on
Mon, Jul 13 prior to the next anomaly teleconference scheduled
for the
afternoon of Jul 13. (T. Johnson x4247)
In the absence of a significant change of
status, the next status update will be published on Friday, Jul
17th.
Contact Information for Further Information:
ESPC Operations at ESPCOperations@noaa.gov
and 301-817-3880
Web Site(s) for applicable information:
N/A
This message was sent by ESPC.Notification@noaa.gov.
You have been sent this and other notifications because you have
opted in to receive it. If for any reason, you wish to
unsubscribe, please contact ESPC Help Desk at ESPCOperations@noaa.gov
or (301) 817-3880. Please note: it may take up to two business
days to process your unsubscribe request.