Topic: NOAA-20 Drag Make-up Maneuver (DMU) scheduled for February 15, 2023

Date/Time Issued: February 14, 2023 16:30z Time

Product(s) or Data Impacted:  All NOAA-20 Sensor Data

Date/Time of Initial Impact: February 15, 2023 16:44:00

Date/Time of Expected End: February 15, 2023 18:51:40

Length of Outage:  Approximately 2 hours, 7 minutes.

Details/Specifics of Change: On February 15, 2023 at 17:10:00Z, NOAA-20 will perform a 3.0 second propulsive Drag Make-up Maneuver (DMU) to maintain the Repeating Ground Track box.

The following observatory systems will be affected on February 15, 2023:

16:44:00Z – 18:51:40z   CERES in Contam-Safe mode, science data will not be available

16:54:00Z – 17:20:10z   OMPS in Decon mode, Science data will not be available

16:59:00Z – 17:22:10z   HRD will be off, data for direct broadcast users will be unavailable.

17:04:00Z – 17:12:10z   N20 in Control Frame 2 (DMU) (Delta-V Control Frame)

17:04:00Z – 17:17:10z   N20 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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