DSCOVR spacecraft in safe modeby Jeff Foust — July 5, 2019
WASHINGTON — A joint NASA/NOAA spacecraft that monitors space weather and provides imagery of Earth has been offline for more than a week because of a problem with its positioning system.
The Deep Space Climate Observatory, or DSCOVR, spacecraft went into a “safehold” June 27, interrupting its science observations from its perch at the Earth-sun L-1 Lagrange point, 1.5 million kilometers from the Earth in the direction of the sun.
NOAA spokesman John Leslie said July 5 that engineers placed the spacecraft into safehold to “first diagnose and then work to fix a technical issue in the system that maintains the satellite’s position.” While that work is underway, he said, the spacecraft is not returning data. (...)
https://spacenews.com/dscovr-spacecraft-in-safe-mode/