Topic: NOAA-20 Drag Make-up Maneuver (DMU) scheduled for December 7, 2022

Date/Time Issued: December 6, 2022 2014Z

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

Date/Time of Initial Impact: December 7, 2022 1653Z

Date/Time of Expected End: December 7, 2022 1900Z

Length of Outage:  Approximately 2 hours, 7 minutes.

Details/Specifics of Change: On December 7, 2022 at 17:19:00Z, NOAA-20 will perform a 2.0 second propulsive Drag Make-up Maneuver (DMU) to maintain the Repeating Ground Track box.

The following observatory systems will be affected on December 7, 2022:

16:53:00Z – 19:00:40z   CERES in Contam-Safe mode, science data will not be available

17:03:00Z – 17:29:10z   OMPS in Decon mode, Science data will not be available

17:08:00Z – 17:31:10z   HRD will be off, data for direct broadcast users will be unavailable.

17:13:00Z – 17:21:10z   N20 in Control Frame 2 (DMU) (Delta-V Control Frame)

17:13:00Z – 17:26:10z   N20 pointing off-nadir, collected data during that time period may be impacted and not disseminated.

Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov at 301-817-3880

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

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