Topic:  NOAA-20 Drag Make-Up Maneuver (DMU) 010 

Date/Time Issued: October 23, 2023 1740Z

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

Date/Time of Initial Impact: October 25, 2023 16:18:00z

Date/Time of Expected End: October 25, 2023 18:25:40z

Length of Outage:  See Details.


Details/Specifics of Change: On October 25, 2023 at 16:44z, NOAA-20 will perform a 4.0 second propulsive Drag Make-Up Maneuver (DMU) to maintain the Repeating Ground Track box.

The following observatory systems will be affected on October 25, 2023:

16:18:00z - 18:25:40z - CERES in Contam-Safe mode, science data will not be available

16:28:00z - 16:54:10z - OMPS in Decon mode, Science data will not be available

16:33:00z - 16:56:10z - HRD will be off, data for direct broadcast users will be unavailable

16:38:00z - 16:44:04z - N20 in Control Frame 2 (DMU) (Delta-V Control Frame)

16:38:00z - 16:51:10z - 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 and 301-817-3880.    


Web Site(s) for Applicable Information: N/A

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