On the day of 12TH December 2024 Hours Hong- Kong SAR – Beijing time CNSA –China National Space Administration , China, People’s Republic of China At 1517 Hong Kong SAR- Beijing Time , the Chang Zheng -Long March 2D Yao 60 / YZ 3 Yao 5 China successfully launched the high-speed laser diamond constellation test system at the Jiuquan Satellite Launch Center using the Long March 2D carrier rocket/Expedition 3 upper stage. The five satellites successfully entered the predetermined orbit and the launch mission was a complete success. This mission is the 551st flight of the Long March series of carrier rockets…..
[Long March 2D rocket/Expedition 3 upper stage successfully launches high-speed laser Diamond Constellation test system – China launches high-speed laser diamond constellation test system 】
At 15:17 on December 12, the Long March 2D carrier rocket/Expedition 3 upper stage lifted the high-speed laser Diamond Constellation test system and soared into the sky at the Jiuquan Satellite Launch Center. Subsequently, the upper stage sent the five satellites of the system into the predetermined orbit respectively, and the launch mission was a complete success. The Long March 2D rocket and the Expedition 3 upper stage were both developed by the Eighth Academy of China Aerospace Science and Technology Corporation. The Long March 2D rocket has the ability to launch single and multiple satellites with different orbit requirements at the three major satellite launch centers in Jiuquan, Taiyuan and Xichang, and its 700-kilometer sun-synchronous orbit carrying capacity is 1.3 tons. The Expedition 3 upper stage, known as the “space bus”, has the ability to autonomously deploy more than 20 times in rapid orbits, and is mainly used for multi-satellite deployment missions in different orbits.
This launch is the 551st launch of the Long March series of carrier rockets. The Long March 2D carrier rocket is a room-temperature liquid two-stage carrier rocket with a takeoff thrust of about 300 tons, corresponding to a capacity of 1.3 tons for a 700-kilometer sun-synchronous circular orbit. It has the ability to launch single and multiple satellites in accordance with different orbital requirements at the three major satellite launch centers in Jiuquan, Taiyuan, and Xichang. The Expedition 3 upper stage is a new type of space transportation tool that uses nitrogen tetroxide and methylhydrazine as propellants, is equipped with a 5kN main engine and an autonomous navigation and guidance system, and has the ability to autonomously maneuver and deploy more than 20 times in rapid orbits. It is mainly used for multi-satellite deployment missions in different orbits, and can directly send multiple satellites to predetermined space locations. It can also play an important role in rapid and flexible entry into space, space maneuvers, and space utilization.
On the day of27th September 2024 Hours Hong- Kong SAR – Beijing time CNSA –China National Space Administration , China, People’s Republic of China At 1830 Hong Kong SAR- Beijing Time , the Chang Zheng -Long March 2D carrier rocket successfully launched China’s first reusable recoverable technology test satellite.. From The the Jiuquan Satellite Launch Center, Inner Mongolia, China, People’s Republic of China..
[This is amazing, Long March 2D successfully launched China’s first reusable recoverable technology test satellite]
According to Shanghai Aerospace and China’s aerospace news, at 18:30 Beijing time on September 27, 2024, the Long March 2D carrier rocket successfully sent the Practice 19 satellite into the predetermined orbit at the Jiuquan Satellite Launch Center, and the launch mission was a complete success.
This mission is the first time that the Long March 2D rocket has carried out a recoverable satellite launch mission after an interval of 8 years. In response to possible weak links, the model actively organized the test team to carry out “double thinking” work and conduct special quality review work. In order to meet the payload requirements of the recoverable satellite, the model customized the work process of buckling the fairing on the tower 48 hours before launch.
As an important new technology test satellite during China’s “14th Five-Year Plan”, the Practice 19 satellite has achieved a number of technological breakthroughs in reusability, high microgravity guarantee, high load ratio and re-entry environment test services. It will significantly improve the technical level and application efficiency of China’s recoverable satellites, reduce operating costs, and provide strong support for the rapid transformation of new technology verification and pre-research results.
The Shijian-19 satellite will carry out space breeding experiments, carrying relevant plant seeds selected by Hainan Province, Anhui Province, and the Ministry of Agriculture and Rural Affairs, giving full play to the advantages of space breeding such as “high mutagenesis efficiency, short breeding cycle, and many beneficial mutations”, improving China’s space breeding technology level, accelerating the pace of germplasm resource innovation, and providing important support for achieving self-reliance in seed industry technology and independent control of seed sources. Researchers will make full use of the reusable Shijian-19 satellite to carry out space experiments, provide opportunities for in-orbit flight test verification for domestic components and raw materials, promote the development and application of new space technologies, and help research in the fields of microgravity science and space life science.
In addition, the Shijian-19 satellite also carries payloads applied for by five countries including Thailand and Pakistan, and carries out extensive international cooperation. The National Space Administration is responsible for the organization and management of the Shijian-19 satellite project, the organization and coordination of major matters, and the approval of launch licenses. The National Space Administration’s Earth Observation and Data Center is responsible for the overall work of the project; the satellite is developed by the Space Technology Research Institute of China Aerospace Science and Technology Corporation, and the Launch Vehicle Technology Research Institute is responsible for the overall development of the launch vehicle system.
The Long March 2D carrier rocket that carried out this mission is a room-temperature liquid two-stage carrier rocket developed by the Eighth Academy of China Aerospace Science and Technology Corporation. It has the characteristics of “high reliability, good economy, and strong adaptability” and can support various launch needs such as single-star, multi-star parallel, series, and piggyback. Its sun-synchronous circular orbit carrying capacity can reach 1.3 tons (orbital altitude 700km). Space
At 1211 Hours Hong Kong SAR- Beijing Time 20TH September 2024 , China- People’s Republic of China- CNSA –China National Space Administration Successfully launched Chang Zheng – Long March 2D Carrier Rocket ignited and took off at the Taiyuan Satellite Launch Center Shanxi Province.. Successfully launch China successfully launched中国一箭6星打开成功 Jilin-1 wideband 02B01~06 satellites successfully into its pre-determined orbit…..
[Two new key products undergo real flight test assessment! The Long March 2D launch of six satellites in one rocket was a complete success! ]
The satellite-rocket separation mechanism of this rocket adopts a non-electric explosion separation mechanism to better ensure the design of the satellite separation timing; the rocket is equipped with a high-precision miniaturized ten-meter fibre optic inertial group and an arrow machine for flight test testing. Without affecting the main mission, the two key products were subjected to real flight test assessment, which is another step forward for the application of subsequent models.
This launch is the 91st launch of the Long March 2D carrier rocket, the 218th launch of the Long March series of carrier rockets developed by the Eighth Academy, and the 536th launch of the Long March series of carrier rockets.
At 1106 Hours Hong Kong SAR- Beijing Time 20th May 2024 , China- People’s Republic of China- CNSA –China National Space Administration Successfully launched Chang Zheng – Long March 2D Yao 98 Carrier Rocket ignited and took off at the Taiyuan Satellite Launch Center Shanxi Province.. Successfully launch the Beijing-3C satellite the constellation was launched and the four satellites successfully entered the scheduled orbit. The launch mission was a complete success. This mission is the 523rd flight of the Long March series of launch vehicles.
According to the Shanghai Eighth Institute, this rocket is equipped with a one-stage landing area control system, that is, the grid rudder control system. In the re-entry and return section of the first sub-stage of the rocket, the flight guidance of the first sub-stage is carried out through precise control of the rudder movements. In many past flight tests, this system has achieved precise landing zone control, perfectly unlocked the new skill of “landing where you point” for the first sub-stage of the rocket, and ensured the safety of the landing zone environment time and time again. It is worth mentioning that this time the grid rudder adopts a swept-back rudder surface with the entire rudder curved backwards. The aerodynamic performance is significantly improved, which can further improve the control ability of the grid rudder; for the first time, a pneumatic pin puller is used to replace It replaces the traditional pyrotechnic pin puller, achieves low impact, and provides technical reserves for subsequent reusable rockets.
The Long March 2D carrier rocket that performed this mission is a room-temperature liquid two-stage carrier rocket developed by the Shanghai Aerospace Administration. It has a take-off thrust of about 300 tons and a corresponding capacity of 1.3 tons for a 700-kilometer sun-synchronous circular orbit. It has the capability to operate in Jiuquan, Taiyuan, The three major satellite launch centers in Xichang implement single- and multi-satellite launch capabilities with different orbital requirements.
“Long March 2D” is a medium-sized two-stage room-temperature liquid launch vehicle developed by the Eighth Academy of China Aerospace Science and Technology Corporation. It is mainly used for low-Earth orbit (LEO) and sun-synchronous orbit (SSO) launch missions. The arrow is about 41 meters long (equipped with a standard 3.35-meter-diameter fairing), with both primary and secondary diameters of 3.35 meters, a take-off mass of 250 tons, a take-off thrust of 302 tons, a low-Earth orbit (LEO) capacity of 4 tons, and a 700-kilometer circle. It has a sun-synchronous orbit (SSO) capacity of 1.3 tons.
This launch is a four-satellite launch with one rocket. In order to maximize the use of the space inside the satellite fairing, the model adopts a “staggered parallel” layout of two high and two low according to the shape of the satellite. At the same time, the Chang Zheng – Long March 2D Yao 98 Carrier Rocket test team also cooperated with the satellite team to The launch site carries out a number of special reviews such as satellite safety clearance, dynamic displacement, satellite-rocket distance when the satellite sail is deployed, and satellite-rocket joint operation to ensure the complete success of the mission.
The four satellites of the “Beijing-3C” constellation were developed by the Aerospace Dongfanghong Satellite Co., Ltd. of the Fifth Academy of China Aerospace Science and Technology Corporation. They are high-resolution optical remote sensing satellites. This type of satellite is developed based on a low-cost, high-performance satellite platform. It has a panchromatic resolution of 0.5 meters and a multispectral resolution of 2 meters. It has the smallest mass among the current practical (operational) 0.5-meter high-resolution optical remote sensing satellites.
The satellite is equipped with a high-performance GPU (graphics processing unit), which not only supports real-time processing of on-orbit remote sensing images, but also supports the operation of artificial intelligence algorithms such as deep learning. At the same time, the satellite supports autonomous mission planning on board, and can independently complete imaging mission planning, image acquisition, data compression, on-orbit processing, image downloading, etc. In addition, the satellite has specially designed a high-speed injection channel for APP in-orbit injection, which supports APP installation, operation, uninstallation, update and other operations on orbit.
The “Beijing-3C” constellation is a commercial remote sensing satellite constellation invested and launched by 21st Century Space Technology Application Co., Ltd. After the constellation is put into use, the four satellites will operate in an equal-phase network to meet the observation needs of daily revisits in any area around the world. The imaging information can be used in land and resources management, agricultural resource surveys, ecological environment monitoring, comprehensive urban applications and other fields.
This mission has a customized carrying design based on the shape of the satellite, using a “staggered-level parallel” layout of two highs and two lows. At the same time, this rocket is equipped with a sub-stage landing area control system (grid rudder control system). This time, the grid rudder adopts a swept-back rudder surface with the entire rudder curved backwards. The aerodynamic performance is significantly improved, which can further improve the control ability of the grid rudder. For the first time, a pneumatic pin puller is used to replace the traditional pyrotechnic puller. The pin device achieves low impact and provides technical reserves for subsequent reusable rockets.
This launch is the 90th launch of the Long March-2D carrier rocket, the 211th launch of the Long March series of launch vehicles developed by Shanghai Aerospace Corporation, and the 523rd launch of the Long March series of launch vehicles. The satellite launched this time was developed by the Aerospace Dongfanghong Satellite Co., Ltd., which is affiliated to the Fifth Academy….
On the 21ST April 2024 in CNSA _China National Space Administration -China – People’s Republic of China 0745 hours Hong Kong –Beijing Time China- People’s Republic of China launch the Chang Zheng Long March 2-D carrier rocket successfully launched the Yaogan 42-02 satellite at the Xichang Satellite Launch Center Star, the launch mission was a complete success. The star arrows are all developed by the Shanghai Aerospace Technology Research Institute of China Aerospace Science and Technology Corporation
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The Chang Zheng Long March 2-D carrier rocket (CZ-2D) rocket is about 41 meters long (equipped with a standard fairing diameter of 3.35 meters), with a diameter of 3.35 meters for the first and second stages, a take-off mass of 250 tons, a take-off thrust of 302 tons, and a low-Earth orbit (LEO) ) transport capacity 4 tons. This rocket is equipped with a fairing with a diameter of 3.35 meters and adopts a new flight control algorithm, which further improves the reliability of the rocket flight.
The Chang Zheng – Long March 2D Carrier Rocket launch vehicle is a normal-temperature liquid two-stage launch vehicle with a take-off thrust of about 300 tons and a corresponding capacity of 1.3 tons in a 700-kilometer sun-synchronous circular orbit. It has single satellites and satellites in different orbits at the three satellite launch centers of Jiuquan, Taiyuan, and Xichang. Multi-satellite launch capability.
The Yaogan 42-02 satellite at the Xichang Satellite Launch Center Star, the launch mission was a complete success. The star arrows are all developed by the Shanghai Aerospace Technology Research Institute of China Aerospace Science and Technology Corporation.
Since the successful first flight from the Jiuquan Satellite Launch Center on August 9, 1992, the ” Chang Zheng Long March 2-D carrier rocket ” rocket has been successfully launched 89 times, continuing to set a record for consecutive successful launches of a single-type launch vehicle in China.
This launch is the 4th launch of the ” Chang Zheng Long March 2-D carrier rocket ” in 2024, the 6th launch from the Xichang Launch Site, the 17th launch in China, and the 76th launch in the world.
