On December 4, NASA’s Orion spacecraft experienced a short-term power problem. The adventure took place just a few hours before the critical launch of the engine near the Moon.
The power pack aboard Orion shut down four “downstream power” devices that connect to the spacecraft’s propulsion and heating subsystems. But mission engineers were able to quickly correct the situation. It is noted that the incident did not disrupt power to any critical systems, and there were no adverse effects on the aircraft’s navigation or communications. Thus, the mission continues as planned.
As early as December 5, the spacecraft performed a key engine switch-on near the Moon to send Orion on course for its final destination in the Pacific Ocean. The device should be installed on December 11.
It should be noted that several extraordinary situations arose within the Orion mission. Previously, NASA engineers discovered a number of failures in the RAM of the star tracking system and random activations in one of the units of the system that provides power from solar batteries for the crew module. Engineers are not yet sure whether all these problems are related. All of these failures are studied and analyzed to prevent their recurrence during a future manned mission. In any case, despite the mentioned problems, the spacecraft was able to successfully complete all the tasks set before it at the moment.
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The Orion spacecraft came within 130 km of the lunar surface before entering the target orbit of the Artemis 1 mission
Source: space
