Update #1 This NOAA-20 OverYaw Maneuver has been cancelled. 

Topic:  NOAA-20 OverYaw Maneuver (OYM) Scheduled for April 22, 2024

Date/Time Issued: April 22, 2024 1344Z

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

Date/Time of Initial Impact: April 22, 2024 19:31:46

Date/Time of Expected End:  April 22  , 2024 21:49:00

Length of Outage:  See Details.

Details/Specifics of Change: On April 22, 2024   20:04:46z

NOAA-20 will perform a 12 second propulsive OverYaw Maneuver (OYM) to re-establish mission orbit.

The following observatory systems will be affected on April 22, 2024:

19:31:46z - 21:49:00z  CERES will be in Contam-Safe mode, science will not be available
19:41:46z - 20:18:00z  OMPS will be in DECON mode, science will not be available
19:46:46z - 20:26:00z  HRD will be off, data for direct broadcast users will be unavailable
19:51:46z - 20:04:58z  N20 in control frame 2 (OverYaw Maneuver (OYM)) Delta-V control frame
19:51:46z - 20:21:00z  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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