Topic:  S-NPP Drag Make-Up Maneuver (DMU) Scheduled for October 9, 2024

Date/Time Issued: October 7, 2024 1825Z

Product(s) or Data Impacted:  All S-NPP Sensor Data

Date/Time of Initial Impact: October 9, 2024 16:07:00

Date/Time of Expected End: October 9, 2024 18:14:04

Length of Outage:  See Details.

Details/Specifics of Change: On October 9, 2024 16:33:00Z, S-NPP will perform a 5.0 second propulsive Drag Make-Up Maneuver (DMU) to maintain the Repeating Ground Track box.

The following observatory systems will be affected on October 9, 2024:

16:07:00Z – 18:14:04Z  CERES in Contam-Safe mode, science data will not be available

16:17:00Z – 16:44:06Z OMPS in Decon mode, Science data will not be available

16:22:00Z – 16:45:05Z  HRD will be off, data for direct broadcast users will not be available

16:27:00Z – 16:35:04Z  S-NPP in Control Frame 2 (DMU) (Delta-V Control Frame)

16:27:00Z – 16:40:04Z  S-NPP 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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