Topic: S-NPP Risk Mitigation Maneuver (RMM) scheduled for October 14, 2021
Date/Time Issued: October 13, 2021 2220Z
Product(s) or Data Impacted: All S-NPP Sensor Data
Date/Time of Initial Impact: October 14, 2021 02:11:00Z
Date/Time of Expected End: October 14, 2021 04:18:04Z
Length of Outage: See Details.
Details/Specifics of Change: On October 14, 2021 at 02:37:00Z, S-NPP will perform a 1.0 second propulsive Risk Mitigation Maneuver (RMM) to provide collision avoidance.
The following observatory systems will be affected on October 14, 2021.
Primary: 02:11:00z - 04:18:04z
CERES in Contam-Safe mode, science data will not be available
Primary: 02:21:00z - 02:48:06z
OMPS in Decon mode, Science data will not be available
Primary: 02:26:00z - 02:49:05z
HRD will be off, data for direct broadcast users will be unavailable
Primary: 02:11:00Z- 04:18:04z
ATMS data may be perturbed due to maneuver-induced spacecraft vibrations
S-NPP will not slew for this maneuver.
Contact for Further Info.: ESPC Operations at ESPCOperations@noaa.gov at 301-817-3880
Web Site(s) for applicable information: N/A
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