Subject: Administrative: Suomi-NPP VIIRS Lunar Roll Maneuver for This is a multi-part message in MIME format. --Boundary_(ID_ztgYYjeporImr4nll9Wb7Q) Content-type: text/plain; charset=UTF-8; format=flowed Content-transfer-encoding: 8BIT *Topic: *Suomi-NPP VIIRS Lunar Roll Maneuver for December 31, 2014****** * Date/Time Issued: *December 29, 2014 1835 UTC * Product(s) or Data Impacted: *All Suomi-NPP Sensor data* Date/Time of Initial Impact: *December 31, 2014 19:13:08 UTC* Date/Time of Expected End: *December 31, 2014 20:15:08 UTC* Length of Outage: *See Details* ** *** **** ** ** ** ** ** **** ** *Details/Specifics of Change: *Suomi-NPP will perform a spacecraft attitude maneuver, for the VIIRS Lunar Calibration, with a roll of -8.982 degrees centered at 2014-12-31T19:38:08 UTC. 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 2014 December 31: 19:13:08 UTC – 20:15:08 UTC CERES will be in Contam-Safe, science data will not be available 19:28:08 UTC – 19:50:08 UTC HRD will be off, data for direct broadcast users will be unavailable 19:32:38 UTC – 19:45:39 UTC VIIRS encoder offset and gain will be set for Moon observation 19:33:08 UTC – 19:45:08 UTC Suomi-NPP will be pointing off-nadir and collected data during that time period may be impacted 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 to 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_ztgYYjeporImr4nll9Wb7Q) Content-type: text/html; charset=UTF-8 Content-transfer-encoding: 8BIT

Topic: Suomi-NPP VIIRS Lunar Roll Maneuver for December 31, 2014

Date/Time Issued: December 29, 2014 1835 UTC

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

Date/Time of Initial Impact: December 31, 2014 19:13:08 UTC

Date/Time of Expected End: December 31, 2014 20:15:08 UTC

Length of Outage: See Details

Details/Specifics of Change: Suomi-NPP will perform a spacecraft attitude maneuver, for the VIIRS Lunar Calibration, with a roll of -8.982 degrees centered at 2014-12-31T19:38:08 UTC. 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 2014 December 31:

19:13:08 UTC – 20:15:08 UTC CERES will be in Contam-Safe, science data will not be available

19:28:08 UTC – 19:50:08 UTC HRD will be off, data for direct broadcast users will be unavailable

19:32:38 UTC – 19:45:39 UTC VIIRS encoder offset and gain will be set for Moon observation

19:33:08 UTC – 19:45:08 UTC Suomi-NPP will be pointing off-nadir and collected data during that time period may be impacted

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 to 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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