Topic: NOAA-20 VIIRS Lunar Calibration Roll Maneuver Scheduled for February 5, 2020

Date/Time Issued:M-BFebruary 4, 2020 1802Z

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

Date/Time of Initial Impact:M-B February 5, 2020 07:51:03Z

Date/Time of Expected End: February 5, 2020 08:47:03Z

Length of Outage:M-B See Details.

Details/Specifics of change: On February 5, 2020, NOAA-20 will perform a spacecraft attitude maneuver for the VIIRS Lunar Calibration, with a roll of -2.03 degrees centered at 08:14:03Z. 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 February 5:

07:51:03Z M-bM-^@M-^S 08:47:03Z CERES will be in
Contam-Safe and Standby, science data will not be available
08:10:31Z M-bM-^@M-^S 08:17:35Z VIIRS encoder offset and gain will be set for Moon observation
08:11:03Z M-bM-^@M-^S 08:17:03Z NOAA-20 will be pointing off-nadir, collected data may be impacted and not disseminated

Contact Information for Further M-BInformation: ESPC Operations at and 301-817-3880. M-BM-BM-B


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

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