Topic: SOLAR-1 in Safe Hold

Date/Time Issued: June 12, 2026 0647Z

Product(s) or Data Impacted: All SOLAR-1 data and products

Date/Time of Initial Impact: June 12, 2026  0536Z

Date/Time of Expected End: TBD

Length of Event: TBD

Details/Specifics: SOLAR-1 was placed in Safe Hold at approximately 0536Z  on June 12, 2026 and will be offline until further notice. This will result in an outage of all SOLAR-1 data.

Background: Beginning June 12, 2026, the SOLAR-1 telemetry showed power trips and subsequent ADCS and flight software alarms. The OSPO Engineering team is in the process of diagnosing the issue and preparing recovery procedures.

For Further Information: Please email User Services at spsd.userservices@noaa.gov 

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