Topic: NPP Drag Make-Up Maneuver (DMU) scheduled for June 21, 2023 | |
Date/Time Issued: June 20, 2023 1503Z | |
Product(s) or Data Impacted: All S-NPP Sensor Data | |
Date/Time of Initial Impact: June 21,2023 16:43:00 | |
Date/Time of Expected End: June 21,2023 18:50:04 | |
Length of Outage: See Details. | |
Details/Specifics of Change: On June 21, 2023 17:09:00Z, | |
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 June 21, 2023: | |
16:43:00Z | – 18:50:04Z CERES in Contam-Safe mode, science data will not be available |
16:53:00Z | – 17:20:06Z OMPS in Decon mode, Science data will not be available |
16:58:00Z | – 17:21:05Z - HRD will be off, data for direct broadcast users will be unavailable |
17:03:00Z | – 17:11:04Z NPP in Control Frame 2 (DMU) (Delta-V Control Frame) |
17:03:00Z | – 17:16:04Z 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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