Subject: Administrative: Suomi-NPP VIIRS Lunar Calibration Roll This is a multi-part message in MIME format. --Boundary_(ID_5y4ANNPlccoFi0y9IwZTmw) Content-type: text/plain; charset=utf-8; format=flowed Content-transfer-encoding: 8BIT *Topic*: S-NPP VIIRS Lunar Calibration Roll Maneuver Scheduled for February 26, 2018 *Date/Time Issued*: February 23, 2018 2005Z *Product(s) or Data Impacted*: All S-NPP Sensor Data *Date/Time of Initial Impact*: February 26, 2018 0514Z *Date/Time of Expected End**: *February 26, 2018 0610Z* ** **Length of Outage: *See Details.* ** **Details/Specifics of change*: On February 26, 2018, S-NPP will perform a spacecraft attitude maneuver for the VIIRS Lunar Calibration, with a roll of -1.13 degrees centered at 05:37:10Z. 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 placed in a contamination safe mode. The timeline of events for this maneuver are provided below. The following observatory systems will be affected on 2018 February 26: 05:14:10 Z – 06:10:10 Z CERES will be in Contam-Safe, science data will not be available 05:29:10 Z – 05:45:10 Z HRD will be off, data for direct broadcast users will be unavailable 05:33:40 Z – 05:40:41 Z VIIRS encoder offset and gain will be set for Moon observation 05:34:10 Z – 05:39:10 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 at 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.govor (301) 817-3880. Please note: it may take up to two business days to process your unsubscribe request. --Boundary_(ID_5y4ANNPlccoFi0y9IwZTmw) Content-type: text/html; charset=utf-8 Content-transfer-encoding: 8BIT Topic: S-NPP VIIRS Lunar Calibration Roll Maneuver Scheduled for February 26, 2018

Date/Time Issued:  February 23, 2018 2005Z

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

Date/Time of Initial Impact: February 26, 2018 0514Z

Date/Time of Expected End: February 26, 2018 0610Z

Length of Outage:  See Details.

Details/Specifics of change: On February 26, 2018, S-NPP will perform a spacecraft attitude maneuver for the VIIRS Lunar Calibration, with a roll of -1.13 degrees centered at 05:37:10Z. 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 placed in a contamination safe mode.  The timeline of events for this maneuver are provided below.

The following observatory systems will be affected on 2018 February 26:

05:14:10 Z – 06:10:10 Z  CERES will be in Contam-Safe, science data will not be available
05:29:10 Z – 05:45:10 Z  HRD will be off, data for direct broadcast users will be unavailable
05:33:40 Z – 05:40:41 Z  VIIRS encoder offset and gain will be set for Moon observation
05:34:10 Z – 05:39:10 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 at 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.govor (301) 817-3880. Please note: it may take up to two business days to process your unsubscribe request.
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