Subject: Product Outage/Anomaly: S-NPP VIIRS Lunar Roll : Issued This is a multi-part message in MIME format. --------------040906090602060507060707 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit *Topic: *S-NPP VIIRS Lunar Roll *Date/Time**Issued:*October 23, 2015 1504 UTC* * *Product(s) or Data Impacted:*All Suomi-NPP Sensor Data **** *Date/Time of Initial Impact:* October 23, 2015 18:39:24 UTC** *Date/Time of Expected End:***October 23, 2015 19:35:24 UTC *Length of Outage:*APPROX. 1 hour *Details/Specifics of Change:*Suomi-NPP will perform a spacecraft attitude maneuver, for the VIIRS Lunar Calibration, with a roll of -1.6685 degrees centered at 2015-10-23T19:02:24 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 2015 October 23: 18:39:24 UTC -- 19:35:24 UTC CERES will be in Contam-Safe, science data will not be available 18:52:24 UTC -- 19:10:24 UTC HRD will be off, data for direct broadcast users will be unavailable 18:58:54 UTC -- 19:05:55 UTC VIIRS encoder offset and gain will be set for Moon observation 18:59:24 UTC -- 19:05:24 UTC S-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 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. --------------040906090602060507060707 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Topic: S-NPP VIIRS Lunar Roll  

Date/Time Issued:  October 23, 2015  1504 UTC

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

Date/Time of Initial Impact:  October 23, 2015  18:39:24 UTC

Date/Time of Expected End:  October 23, 2015  19:35:24 UTC

Length of Outage:  APPROX. 1 hour

Details/Specifics of Change:   Suomi-NPP will perform a spacecraft attitude maneuver, for the VIIRS Lunar Calibration, with a roll of -1.6685 degrees centered at 2015-10-23T19:02:24 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 2015 October 23: 
18:39:24 UTC – 19:35:24 UTC   CERES will be in Contam-Safe, science data will not be available
18:52:24 UTC – 19:10:24 UTC   HRD will be off, data for direct broadcast users will be unavailable
18:58:54 UTC – 19:05:55 UTC   VIIRS encoder offset and gain will be set for Moon observation
18:59:24 UTC – 19:05:24 UTC   S-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 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.

--------------040906090602060507060707--