8) Chang'e-2 made a breakthrough of the 40,000,000 km deep space flight and TT&C communication technology. Chang'e-2's new mission will pose a big challenge to the country's ability to track and control (satellites) in deep space.This is the first time scientists have tried to pilot a satellite out of a moon orbit and take it to the L2 point. 2) Test of the orbital brake technology and capture by the moon at a location 100 km away (100 km lunar orbit insertion) The Space Launch System (SLS) rocket core stage for the Artemis I lunar mission has successfully completed several critical tests. For the first time in the world, Chang'e-2 realized the exploration from the Moon to the L2 point, conducted some monitoring of Earth's distant magnetotail ion energy spectrum, solar flare bursts and cosmic Gamma bursts, which made China the third country in the world , after the US and Europe, to conduct L2 point exploration. China has a three-stage plan for exploring the moon. At the same time, the probe was in good condition. Chang'e 2 is China's second lunar orbiter project. China's second lunar probe, Chang'e-2, ceased orbiting the moon after completing its preliminary missions. 2) Chang'e-2 achieved breakthroughs of some key technologies which applied to the non-uniform gravity field of the moon and uneven surface environment, such as the quasi-frozen orbit design, probe autonomous inertia alignment, maneuvering orbit patching; it also realized a 100 km circle orbit and a 100 km x 15 km elliptical orbit and maneuvering for the first time. The basic purpose was to go further into interplanetary space (Ref. Compared with a VLBI (Very Long Baseline Interferometry) system,the short baseline DOR (Differential One-way Ranging) interferometry technique has its own advantages: This method simulates how scientists will search for evidence of life beyond Earth on exoplanets. The new mission therefore places great pressure on scientists to accurately calculate the point at which the Chang'e-2 must leave its orbit around the moon and make off for the Lagrangian point.Chang'e-2 entered L2?s orbit in 2011 after spending 77 days traveling away from its previous orbital path around the moon.Chang'e-2 was launched on Oct 1 this past year. They are approximately the same between the two tracking stations; thus, the transmission media errors offset each other for the two tracking stations. 6) Demonstrate new technology such as: LDPC (Low-density Parity-check Code), high-speed (12 Mbit/s) Lunar-Earth data transmission system, the brand-new landing camera, micro CMOS-camera. According to the ideas of "improving capability more quickly and promoting technological development", in order to verify the further interplanetary exploration technology and accumulate deep space exploration engineering experiences, Chang'e-2 continued to carry out extended tasks. Hence, a three-phase and multi-target mission was designed. Several US and European satellites now occupy that spot. Chang'e lander and Yutu-2 rover. • Lunar orbit insertion of the Chang'e-2 spacecraft from Oct. 6-9, 2010. China has never tried to send a satellite so far before. Chang'e 2 (/ tʃ æ ŋ ˈ ʌ /; simplified Chinese: 嫦娥二号; traditional Chinese: 嫦娥二號; pinyin: Cháng'é èr hào) is a Chinese unmanned lunar probe that was launched on 1 October 2010. The next full Moon will be midday on Monday, August 3, 2020. NASA's Perseverance Mars rover will carry the first samples of spacesuit material ever sent to the Red Planet. The control result was accurate and met the requirement of inserting the probe into lunar mission orbit, so the scheduled twice midway orbit corrections were cancelled. Chang’e-2 (chinesisch 嫦娥二號 / 嫦娥二号, Pinyin Cháng'é Èrhào) ist die zweite Raumsonde der China National Space Administration (CNSA) und die zweite Mission im Mondprogramm der Volksrepublik China.Die Sonde startete am 1.
The third stage is to result in a sample of moon rock being brought back to Earth in 2017.http://lunarscience.nasa.gov/articles/change-2-finishes-main-mission Chang'e- 2 is part of the first phase of the Chinese Lunar Exploration Program (CLEP), undertaken by CNSA (China National Space Administration). This site is maintained by the Planetary Science Communications team at The probe is being used to further verify China's deep-space tracking and control capabilities, Chang'e 2 will continue to fly, returning somewhere closer to Earth around 2029. Which way the solar wind blows has new importance as NASA again prepares to send astronauts to the Moon. The scientific objectives of Chang'e-2 mission are as follows: improving the performance of payloads on the basis of Chang'e-1, improving the accuracy and precision of the lunar scientific data, deepen the following four types of scientific exploration themes: This represents an advancement of China's TT&C system from S-band to X-band system for higher transmission rates; it established the foundation for future deep space exploration missions. The CCD stereo pushbroom camera is one of the key payloads carried by the Chang'e-2 satellite, whose mission is to image the lunar surface with high spatial resolution and provide scientific guiding data for choosing a safety-landing site for Chang'e-3. Chang'e-2 obtained about 6 TB of raw data, including high resolution overall moon images, local images of the Moon's Sinus Iridium region and Earth-Moon environmental data. NASA has selected Masten Space Systems to deliver and operate eight payloads – with nine science and technology instruments – to the Moon’s South Pole in 2022. The flight computers and avionics of the Space Launch System rocket’s core stage completed a thorough systems checkout. The rocket booster segments that will help power NASA’s first Artemis flight test mission around the Moon arrived at KSC. Gamma-ray and x-ray spectroscopy is employed to study the content of the lunar surface. There also will be a partial penumbral eclipse of the Moon. - One was to take photos of the northern and southern poles of the moon. The sensor complement has a mass of ≤140 kg and a power consumption of ≤200 W. • On Feb. 6, 2012, China's space agency released an amazingly detailed map of the moon' surface, made up of many high-resolution images observed by the Stereo Camera of the Chang'e-2 spacecraft during a seven month period between October 2010 and May 2011. Chang'e lander and Yutu-2 rover.
The Probe is still in good condition and on a trajectory leading still further out into the deep space direction.