Topic: NOAA-20 VIIRS Non-Roll Lunar Calibration Scheduled for June 24, 2026
Date/Time Issued: June 22, 2026 1501Z
Product(s) or Data Impacted: NOAA-20 VIIRS Data
Date/Time of Initial Impact: June 24, 2026 01:35:11Z
Date/Time of Expected End: June 24, 2026 01:40:17Z
Length of Outage: See Details.
Details/Specifics of change: On June 24, 2026, NOAA-20 VIIRS will perform a Lunar Calibration without a spacecraft roll maneuver, centered at 01:37:44Z. Only VIIRS science data will be impacted while VIIRS encoder offset and gain are set for Moon observation.
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