Topic: NOAA-21 VIIRS Non-Roll Lunar Calibration Scheduled for March 28, 2026
Date/Time Issued: March 10, 2026 1903Z
Product(s) or Data Impacted: NOAA-21 VIIRS Data
Date/Time of Initial Impact: March 28, 2026 19:36:04Z
Date/Time of Expected End: March 28, 2026 19:41:10Z
Length of Outage: See Details.
Details/Specifics : On March 28, 2026, NOAA-21 VIIRS will perform a Lunar Calibration without a spacecraft roll maneuver, centered at 19:38:37Z. Only VIIRS science data will be impacted while VIIRS encoder offset and gain are set for Moon observation.
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