00:00 China's National Space Administration announced on Friday that the Chuichao-2 satellite has
00:10 successfully concluded its orbit communication test, with both the platform and payload operating
00:16 as expected.
00:18 The CNSA affirmed that Chuichao-2 functions and performance are aligning with the mission
00:22 specifications, enabling it to deliver relay communications service for the fourth phase
00:27 of China's lunar exploration, endeavor, and forthcoming lunar missions undertaken by China
00:32 and other nations.
00:34 This milestone marks the Chuichao-2 mission as a resounding success.
00:37 On 6 April, the satellite accompanied a successful communication test with Chang'e-4 spacecraft,
00:44 currently engaged in its exploration mission on the far side of the moon.
00:48 Consequently, on 8 and 9 April, it underwent communication trials with Chang'e-6 probe,
00:54 slated for future launch.
00:57 Launched on 28 March, Chuichao-2 reached its intended highly elliptical orbit around moon
01:02 on 2 April following midway correction, near-moon breaking, and orbital manoeuvres.
01:08 Accompanying Chuichao-2 were two communication and navigation technology tests, Tiandu-1
01:12 and Tiandu-2, launched simultaneously.
01:15 The satellites achieved their target circumlunar orbits by 29 March and parted ways on 3 April.
01:22 Presently, they are engaged in series of assessments focusing on communication and navigation
01:26 technology.
01:28 Utilizing highly elliptical frozen orbits, Chuichao-2, Tiandu-1 and Tiandu-2 ensures
01:33 stable trajectories, minimizing deviation during their travels in space.
01:38 This orbit can bring many advantages to Chuichao-2 compared to the first aircraft, which was
01:43 launched in 2018 for Earth-Moon relay communication.
01:47 The orbit of Chuichao-2 is closer to the moon, which greatly improvises the communication
01:52 rate of data transmission.
01:54 Compared to the first Chuichao, which orbits around the second Lagrangian point of the
01:59 Earth-Moon system, Chuichao-2 has also significantly improved its communication coverage on the
02:04 south pole region of the moon.
02:06 This orbit also helps the satellite to save fuel, meaning that the spacecraft can stay
02:11 in this orbit for a long time with very little fuel.
02:14 Chuichao-2 will provide relay communication service for Chang'e 4 lunar probe and the
02:19 Chang'e 6 mission in the future as planned and carry out scientific exploration at an
02:23 appropriate time.
02:25 The deployment of China's relay satellite is a key step for the future lunar exploration
02:30 mission, especially for China.
02:33 The landing and sample collection sites of China's moon mission in the coming years are
02:37 mainly in the lunar south pole region or on the far side of the moon.
02:41 A powerful relay satellite with more function is necessary to provide communication and
02:46 data transmission services for the mission.
02:49 Chang'e 6 is scheduled for launch in the first half of 2024 with Chang'e 7 in 2026 and Chang'e
02:55 8 in 2028.
02:56 Chang'e 7 and 8 will be a form of basic model of lunar research station to carry out lunar
03:02 environment exploration according to the CNSA.
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