Topic: N20 Risk Mitigation Maneuver (RMM) scheduled for March 21, 2023

Date/Time Issued: March 20, 2023 2132z

Product(s) or Data Impacted:  All N20 Sensor Data

Date/Time of Initial Impact: March 21,2023 01:59:00z

Date/Time of Expected End: March 21,2023 04:06:40z

Length of Outage:  See Details.

Details/Specifics of Change: On March 21, 2023 02:25:00z,
N20 will perform a 2.0 second propulsive Risk Mitigation Maneuver (RMM)
to mitigate risk presented by a potential conjunction.
The following observatory systems will be affected on March 21, 2023:
01:59:00Z – 04:06:40Z  CERES in Contam-Safe mode, science data will not be available
02:09:00Z – 02:35:10Z OMPS in Decon mode, Science data will not be available
02:14:00Z - 02:37:10Z HRD will be off, data for direct broadcast users will be unavailable
02:19:00Z – 02:32:10Z N20 pointing off-nadir, collected data during that time period  may be impacted and not disseminated

Web Site(s) for Applicable Information: N/A
Contact Information for Further Information: ESPC Operations at or 301-817-3880 24x7 or during normal business hours

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