Topic:  NOAA-21 Drag Make-Up Maneuver 007 (DMU) scheduled for January 29,2025

Date/Time Issued: January 27, 2025 1550Z

Product(s) or Data Impacted:  All NOAA-21 Sensor Data

Date/Time of Initial Impact: January 29, 2025 17:14:25Z 
J/DAY 029

Date/Time of Expected End: January 29, 2025 17:55:12Z 
J/DAY 029

Length of Outage:  41 Minutes

Details/Specifics: On January 29, 2025 at 17:45:00Z, NOAA-21 will perform a 20.0 second propulsive Drag Makeup Maneuver (DMU) to maintain Mean Local Time of the Ascending Node while controlling the Repeating Ground Track box.

The following observatory systems will be affected on January 29,2025 :

17:29:50Z – 17:54:22Z OMPS in Decon mode, Science data will not be available

17:39:51Z – 17:55:06Z  HRD will be off, data for direct broadcast users will be unavailable

17:39:52Z – 17:50:03Z NOAA-21 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

This notification was sent to ESPC.Notification@noaa.gova mailing list you are subscribed to. If you wish to unsubscribe, please contact

ESPC Help-Desk at ESPCOperations@noaa.gov requesting to "Unsubscribe". Please note: it may take up to two business days to process your unsubscribe request.

For any additional information you can reach ESPC at 301-817-3880 (24x7)