Topic: S-NPP Drag Make-up Maneuver (DMU) scheduled for February 22, 2023
Date/Time Issued: February 21, 2023 1616z
Product(s) or Data Impacted: All S-NPP Sensor Data
Date/Time of Initial Impact: February 22, 2023 18:11:00
Date/Time of Expected End: February 22, 2023 20:18:04
Length of Outage: Approximately 2 hours, 7 minutes.
Details/Specifics of Change: On February 22, 2023 at 17:30:00Z, S-NPP 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 February 22, 2023:
17:04:00Z – 19:11:04z CERES in Contam-Safe mode, science data will not be available
17:14:00Z – 17:41:06z OMPS in Decon mode, Science data will not be available
17:19:00Z – 17:42:05z HRD will be off, data for direct broadcast users will be unavailable.
17:24:00Z – 17:32:04z S-NPP in Control Frame 2 (DMU) (Delta-V Control Frame)
17:24:00Z – 17:37:04z S-NPP pointing off-nadir, collected data during that time period may be impacted and not disseminated.
Web Site(s) for Applicable Information:
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