Topic: NOAA 20 VIIRS Lunar Calibration Roll Maneuver Scheduled for January 6, 2020


Date/Time Issued:M-BJanuary 3, 2020 1736Z


Product(s) or Data Impacted:M-B All NOAA 20 Sensor Data

Date/Time of Initial Impact:M-B January 6, 2020 15:42:48Z

Date/Time of Expected End: January 6, 2020 16:44:48Z

Length of Outage: See Details.

Details/Specifics of change: On January 6, 2020, NOAA-20 will perform a spacecraft attitude maneuver for the VIIRS Lunar Calibration, with a roll of -6.061 degrees centered at 16:07:48Z. 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 2020 January 6 :

15:42:48Z M-bM-^@M-^S 16:44:48Z CERES will be inM-B
Contam
-Safe and Standby, science data will not be available
15:57:48ZM-B
M-bM-^@M-^S 16:19:48ZM-BM-BHRD will be off, data for direct broadcast users will be unavailableM-B

16:02:16Z M-bM-^@M-^S 16:15:20Z VIIRS encoder offset and gain will be set for Moon observation
16:02:48Z M-bM-^@M-^S 16:14:48Z NOAA-20 will be pointing off-nadir, collected data may be impacted and not disseminated.


Contact Information for Further Information:M-B ESPC Operations at ESPCOperations@noaa.gov at 301-817-3880


Web Site(s) for applicable information:M-B N/A


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