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on November 26. On Friday, local time, the Orion spacecraft of NASA carrying out the "Artemis 1" mission entered lunar orbit and reached the far moon point

The Orion spacecraft took off on November 16 with the NASA moon landing rocket "Space Launch System" (SLS), and arrived at the destination in the afternoon of November 25. Subsequently, Orion's engine started for 88 seconds, and it was successfully put into the "DRO, distance retrograde orbit" as planned

NASA officials wrote in an update shortly after the shutdown of the Orion engine: "Shortly before the engine was started, the Orion spacecraft was flying at a height of more than 57000 miles (about 92000 kilometers) above the lunar surface, which is the farthest distance from the moon. On the lunar orbit, flight controllers will monitor the performance of key systems in the deep space environment."

"Long distance" in the DRO name means that the apogee of the spacecraft's orbit around the moon is very far, about 64000 kilometers from the lunar surface. When Orion follows this path, it will set a new record, that is, it is 430000 kilometers away from the Earth, more distant than any previous manned spacecraft

At present, this record is about 400000 kilometers, maintained by NASA Apollo 13 mission. At that time, Apollo 13 was not intended to travel that far, but the failure of the oxygen tank in the service module led to its being able to fly around the moon instead of landing on the lunar surface NASA officials said Orion will break the Apollo 13 record on Saturday morning, Eastern Time. But the spaceship will continue to fly further, reaching the maximum distance of 272,515 miles (about 438,570 kilometers) next Monday

Orion will fly in DRO for less than a week. It will leave the lunar orbit on December 1, start the engine, and then return to Earth. If the plan goes well, Orion will return to Earth on December 11 and splash down on the Pacific Ocean off the coast of California

The nearly 26 day "Artemis 1" mission aims to test Orion and space launch system rockets, and the "Artemis 2" mission to perform the first manned lunar mission is planned to be carried out in 2024. "Artemis 3" mission will be carried out in 2025 or 2026, and try to land on the moon surface. (Small)

2023-03-22 10:04:54