Topic: NOAA-20 Drag Make-Up Maneuver (DMU) Scheduled for December 11, 2024 


Date/Time Issued: December 09, 2024 1928Z


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


Date/Time of Initial Impact: December 11, 2024 1644Z


Date/Time of Expected End: December 11, 2024 1851Z


Length of Outage: See Details.


Details/Specifics of Change: On Dec 11, 2024 014 , N20 will perform a 5.0 second propulsive Drag Makeup Maneuver (DMU) to maintain Mean Local Time of the Ascending Node while controlling the Repeating Ground Track box.


The following observatory systems will be affected on Dec 11, 2024:


16:44:00Z – 18:51:40Z CERES in Contam-Safe mode, science data will not be available

16:54:00Z – 17:20:10Z OMPS in Decon mode, Science data will not be available

16:59: 00Z – 17:22:10Z HRD will be off, data for direct broadcast users will be unavailable

17:04:00Z – 17:12:10Z N20 in Control Frame 2 (DMU) (Delta-V Control Frame)

17:04:00Z – 17:17:10Z 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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