Queqiao Relay Satellite

Queqiao is China's relay communication satellite launched in 2018 for the Chang'e 4 mission. It operates in a halo orbit near the Earth-Moon Lagrange L2 point, providing a communication relay link for the Chang'e 4 lander and Yutu-2 rover on the far side of the Moon. Queqiao is the first relay satellite in human history to operate in a halo orbit around the Earth-Moon L2 point and serves as a key component of China's deep-space communication infrastructure.

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