Topic: NOAA-20 Drag Make-Up Maneuver (DMU) Scheduled for May 13, 2026

Date/Time Issued: May 11, 2026 1801Z

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

Date/Time of Initial Impact: May 13, 2026 16:49:00Z

Date/Time of Expected End: May 13, 2026 19:06:32Z

Length of Outage:  2 hours 17 minutes and 32 seconds

Details/Specifics of Change: On May 13, 2026, at 17:15:00Z, NOAA-20 will perform an 8.0 thruster second propulsive Drag Makeup Maneuver (DMU) to maintain its Repeating Ground Track box.

The following observatory systems will be affected on May 13, 2026:

16:49:00Z  – 19:06:32Z  CERES configured to Contam-Safe mode, science data will not be available
16:59:00Z  – 17:25:08Z OMPS in Decon mode, Science data will not be available
17:04:00Z  – 17:28:10Z  HRD will be off, data for direct broadcast users will be unavailable
17:09:00Z  – 17:22:10Z N20 pointing off-nadir, collected data during that time period may be impacted and not disseminated

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