Topic: S-NPP Inclination Adjustment Maneuver (IAM) scheduled for September 26, 2019

Date/Time Issued:September 25, 2019 1718Z

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

Date/Time of Initial Impact: September 26, 2019 1553Z

Date/Time of Expected End: September 26, 2019 1809Z
Length of Outage: See Details
Details/Specifics of Change: On September 26, 2019 16:26:45Z,
S-NPP will perform a 125.0 second propulsive Inclination Adjustment Maneuver (IAM)
to maintain Mean Local Time of the Ascending Node while controlling Repeating Ground Track box.
The following observatory systems will be affected on September 26, 2019:
15:53:45Z
M-bM-^@M-^S 18:09:50ZM-B CERES in Contam-Safe mode, science data will not be available
16:03:45Z
M-bM-^@M-^S 16:45:52Z OMPS in Decon mode, Science data will not be available
16:08:45Z
- 17:12:24Z HRD will be off, data for direct broadcast users will be unavailable
16:13:45Z
M-bM-^@M-^S 16:41:50Z S-NPP pointing off-nadir, collected data during that time period may be impacted and not disseminated

Contact Information:For information on the status of this work, please contact ESPC Operations atESPCOperations@noaa.govand 301-817-3880

Web Sites(s) for applicable information: N/A

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