Topic: S-NPP Drag Make-up Maneuver (DMU) scheduled for June 1, 2022
Date/Time Issued: May 31, 2022 1637Z
Product(s) or Data Impacted: All S-NPP Sensor Data
Date/Time of Initial Impact: June 1, 2022 17:00:00
Date/Time of Expected End: June 1, 2022 19:07:04
Length of Outage: Approximately 2 hours, 7 minutes.
Details/Specifics of Change: On June 1, 2022 at 17:26:00Z, S-NPP will perform a 3.0 second propulsive Drag Make-up Maneuver (DMU) to maintain Mean Local Time of the Ascending Node while controlling Repeating Ground Track box.
The following observatory systems will be affected on June 1, 2022:
17:00:00Z – 19:07:04Z CERES in Contam-Safe mode, science data will not be available
17:10:00Z – 17:38:05Z OMPS in Decon mode, Science data will not be available
17:15:00Z – 17:38:05Z HRD will be off, data for direct broadcast users will be unavailable.
17:20:00Z – 17:26:03Z S-NPP in Control Frame 2 (DMU) (Delta-V Control Frame)
17:20:00Z – 17:33:04Z 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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