Subject: Administrative: Suomi-NPP VIIRS Lunar Calibration Roll This is a multi-part message in MIME format. --Boundary_(ID_Vr7hAJtMpY1pTEl/sEWunw) Content-type: text/plain; charset=utf-8; format=flowed Content-transfer-encoding: 8BIT *Topic: *S-NPP VIIRS Lunar Calibration Roll Maneuver Scheduled for December 29, 2017 *Date/Time Issued:* December 27, 2017 1543Z *Product(s) or Data Impacted:* All Suomi-NPP Sensor Data *Date/Time of Initial Impact: *December 29, 2017 0848Z *Date/Time of Expected End: *December 29, 2017 0950Z *Length of Outage: See Details.* *Details/Specifics of change: *On December 29, 2017, Suomi-NPP will perform a spacecraft attitude maneuver for the VIIRS Lunar Calibration, with a roll of -7.6185 degrees centered at 09:13:00 Z. Science data may be impacted while the spacecraft is pointing off-nadir during the attitude maneuver and the CERES instrument will not provide nominal science data as it will be placed in a contamination safe mode. The timeline of events for this maneuver are provided below. The following observatory systems will be affected on 2017 December 29: 08:48:00 Z – 09:50:00 Z CERES will be in Contam-Safe, science data will not be available 09:03:00 Z – 09:25:00 Z HRD will be off, data for direct broadcast users will be unavailable 09:07:30 Z – 09:20:31 Z VIIRS encoder offset and gain will be set for Moon observation 09:08:00 Z – 09:20:00 Z S-NPP will be pointing off-nadir, collected data may be impacted and not disseminated 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. --Boundary_(ID_Vr7hAJtMpY1pTEl/sEWunw) Content-type: text/html; charset=utf-8 Content-transfer-encoding: 8BIT
Topic: S-NPP VIIRS Lunar Calibration Roll Maneuver Scheduled for December 29, 2017

Date/Time Issued: December 27, 2017 1543Z

Product(s) or Data Impacted: All Suomi-NPP Sensor Data

Date/Time of Initial Impact: December 29, 2017 0848Z

Date/Time of Expected End: December 29, 2017 0950Z

Length of Outage:  See Details.

Details/Specifics of change: On December 29, 2017, Suomi-NPP will perform a spacecraft attitude maneuver for the VIIRS Lunar Calibration, with a roll of -7.6185 degrees centered at 09:13:00 Z. Science data may be impacted while the spacecraft is pointing off-nadir during the attitude maneuver and the CERES instrument will not provide nominal science data as it will be placed in a contamination safe mode.  The timeline of events for this maneuver are provided below.

The following observatory systems will be affected on 2017 December 29:

08:48:00 Z – 09:50:00 Z  CERES will be in Contam-Safe, science data will not be available
09:03:00 Z – 09:25:00 Z  HRD will be off, data for direct broadcast users will be unavailable
09:07:30 Z – 09:20:31 Z  VIIRS encoder offset and gain will be set for Moon observation
09:08:00 Z – 09:20:00 Z  S-NPP will be pointing off-nadir, collected data may be impacted and not disseminated

ESPC Operations at ESPCOperations@noaa.gov and 301-817-3880.    


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.

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