Topic: NOAA-21 VIIRS Lunar Calibration Roll Maneuver Scheduled for November 23, 2023
Date/Time Issued: November 21, 2023 1509Z
Product(s) or Data Impacted: All NOAA 21 Sensor Data
Date/Time of Initial Impact: November 23, 2023 08:33:24Z
Date/Time of Expected End: November 23, 2023 09:02:29Z
Length of Outage: See Details.
Details/Specifics of change: On November 23, 2023, NOAA-21 will perform a spacecraft attitude maneuver for the VIIRS Lunar Calibration, with a roll of -6.10 degrees centered at 08:47:57Z.
Science data may be impacted while the spacecraft is pointing off-nadir during the attitude maneuver. The timeline of events for this maneuver are provided below.
The following observatory systems will be affected on 2023 November 23:
08:33:24Z – 09:02:29Z VIIRS encoder offset and gain will be set for Moon observation
08:33:57Z – 09:01:57Z NOAA-21 will be pointing off-nadir, collected data may be impacted and not disseminated
Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov and 301-817-3880.
Web Site(s) for Applicable Information: N/A
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