On Dec. 4, NASA’s Orion spacecraft experienced a brief power problem. The accident took place just a few hours before a critical engine launch near the moon.
The power unit aboard Orion shut down four devices “responsible for power in the downstream direction”, which are connected to the propulsion and heating subsystems of the spacecraft. But the mission’s engineers were able to quickly rectify the situation. It is noted that as a result of the incident there were no power outages of any critical systems, and there were no negative consequences for the navigation or communication of the device. So the mission continues as planned.
As early as December 5, the spacecraft performed a key firing near the Moon to steer Orion on course with its final target in the Pacific Ocean. The device should splash down on December 11.
It should be noted that several emergency situations arose as part of the Orion mission. Earlier, NASA engineers identified a number of failures in the RAM of the star tracking system and random activations in one of the blocks of the system, which provides power from solar panels to the crew module. Engineers are not yet sure if all these problems are related. All these failures are being studied and analyzed to prevent their recurrence during the upcoming manned mission. In any case, despite these problems, the spacecraft was able to successfully complete all the tasks assigned to it at the moment.
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The Orion spacecraft approached 130 km from the lunar surface before entering the target orbit of the Artemis 1 mission
Source: space
