Tag: telecommunications satellite

#MadeInChina #中國製造| #中科宇航 #ZhongkeAerospace #ChinaAcademyOfScience #CASSPace #June2024 | #CarrierRocket #ReusableCarrierRocket #CarrierRocket Series Lijian-2 China Aerospace Science and Technology has completed the joint test of the 85-ton kerosene #YF102  #CarrierRocketEngine in full flight conditions.  #ASummary

kevinjamesngLeave a comment

Beijing Zhongke Aerospace Exploration Technology Co., Ltd. is the first domestic aerospace enterprise with mixed ownership, and it is also the target enterprise that Oriental Aerospace Port focuses on introducing. Relying on the scientific research strength and resource advantages of the Institute of Mechanics of the Chinese Academy of Sciences and the Aerospace Flight Technology Center of the Chinese Academy of Sciences, China Aerospace Science and Technology has been committed to the research and development and integration of space technology and aerospace vehicles as a platform for the transformation of major national scientific research projects, as well as the transformation and provision of technological achievements. Aerospace launch service. The Lijian-1 rocket project also adds a brand-new name card to the Oriental Space Port, which will surely promote the construction of the Oriental Space Port to take a solid step forward.

On the Week of 17th June 2024 China Aerospace Science and Technology has completed the joint test of the 85-ton kerosene engine in full flight conditions.

Recently, China Aerospace Science and Technology has completed the joint test of the 85-ton liquid oxygen-kerosene engine and servo matching in the first stage of the Lijian-2 liquid carrier rocket. The test engine is in a two-way swing state, which can meet the control requirements of a 6-degree swing circle. The swing test simulating the full-scale operation of the first stage during the test was successful, verifying the matching of the first-stage engine of the Lijian-2 and the servo system, and obtaining key data such as the dynamic swing characteristics of the engine. At the same time, this test tested the first flight state of the first-stage engine of the Lijian-2.


This test assessed the two-way swing performance of the first-stage engine of the Lijian-2 and verified the working coordination of the servo control system and the engine. In the future, the engine will continue to carry out life test on this basis.
Lijian-2 adopts a CBC configuration, with a universal core stage diameter of 3.35 meters, a total length of 53 meters, a take-off weight of 625 tons, and a take-off thrust of 766 tons. The SSO carrying capacity is 8 tons, and the LEO carrying capacity is 12 tons. It is scheduled to fly for the first time in 2025…

[The joint test of the 85-ton liquid oxygen-kerosene engine YF-102 and servo matching flight conditions of the first stage of the Lijian-2 liquid carrier rocket of China Aerospace Science and Technology was successfully completed]

Recently, China Aerospace Science and Technology completed the joint test of the 85-ton liquid oxygen-kerosene engine and servo matching flight conditions of the first stage of the Lijian-2 liquid carrier rocket. The test engine is in a two-way swing state and can meet the 6-degree swing circle control requirements. The swing test simulating the full-scale operation of the first stage during the test process was successful, verifying the matching of the first stage engine of the Lijian-2 with the servo system, and obtaining key data such as the dynamic swing characteristics of the engine. At the same time, this test tested the first flight state of the first stage engine of the Lijian-2.


This test simulated the process of increasing the oxidizer and fuel inlet pressure caused by the flight overload of the first stage engine of the Lijian-2 by changing the engine inlet pressure. The engine thrust and specific impulse met the overall design requirements, the engine parameters were stable, and the performance indicators such as the oxygen self-pressurization met the design requirements.



During the test run, the engine extreme swing angle test, small swing angle joint training, load calibration, pressurized cold swing test, hot test combined swing test, etc. were carried out successively. During the ignition process, various waveform conditions such as square wave, triangle wave, and sine wave were tested. The maximum swing angle of the engine was 6°, and the servo feedback position and command tracking were good. The two-way swing performance of the first-stage engine of Lijian No. 2 was assessed, and the coordination between the servo control system and the engine was verified. Later, the engine will continue to carry out life survey tests on this basis.

Combined with this engine test run, liquid oxygen circuit immersion precooling, small flow precooling and large flow precooling tests were carried out simultaneously to obtain more accurate engine precooling characteristics and verify the correctness of the rocket body precooling scheme. In

addition, the low-order modal characteristics of the first-stage engine were obtained through structural modal tests of the installation process pull rod state and the installation servo mechanism state, providing important data support for the design of the attitude control system on the rocket. Environmental measurement points were added nearby to obtain environmental parameters such as noise.

Images and visuals are from their respectives

#CNSA #ChinaNationalSpaceAdministration #国家航天局 | #BRI #May2024|#太原卫星发射中心#TaiyuanSatelliteLaunchCenter  – Advance  International Iconic #嫦娥六号 #ChangZheng6C #LongMarch6C Y1 Deploying Four #satellite also the #Neptune01 #Zhixing-1C Satellite #ASummary

kevinjamesngLeave a comment

At 1121 Hours Hong Kong SAR- Beijing Time 7th May 2024 , China- People’s Republic of China- CNSA –China National Space Administration   Successfully launched  Chang Zheng – Long March 6C Yao 1 Carrier Rocket rocket ignited and took off at the Taiyuan Satellite Launch Center Shanxi Province..  Deploying  the Neptune 01 satellite, the wide-width optical satellite, the high-resolution video satellite, and the Zhixing-1C Among with the group of Four Statellites.

[The first flight of Long March 6C was a complete success! The new generation of Long March rocket family has added a “new force”】

嫦娥六号 The Chang Zheng- Long March 6C Carrier Rocket of Shanghai No. 8 Academy successfully made its first flight. The rocket adopts a single-core two-stage configuration (to put it bluntly, it is a polished rod). The diameter of the first sub-stage is 3.35 meters. It uses two liquid oxygen/kerosene with a thrust of 120 tons. The engine, with a second-stage diameter of 2.9 meters, uses a liquid oxygen/kerosene engine with a thrust of 18 tons. The total length of the entire rocket is about 43 meters, the take-off weight of the entire rocket is about 215 tons, and the 500-kilometer sun-synchronous orbit carrying capacity is about 2.4 tons. Multiple specifications of satellite fairings can be adapted according to different tasks.



At 11:21 on May 7, 2024, the Chang Zheng- Long March 6C Carrier Rocket was successfully launched from my country’s Taiyuan Satellite Launch Center, successfully sending four satellites including Neptune 01 into the predetermined orbit. The launch mission was a complete success. This mission is the first flight of the Long March 6C launch vehicle, marking the addition of a new member to the Long March rocket family, further improving the model spectrum of my country’s new generation Long March series of launch vehicles, and promoting the accelerated upgrading of my country’s active launch vehicles. Among them, the Long March 6C carrier rocket and Neptune 01 were developed by Shanghai Aerospace Corporation…

Images and visuals are from their Respectives CMS China Manned SpaceCNSA-China National Space Administration

#CNSA #ChinaNationalSpaceAdministration #国家航天局 |#WenchangSpacecraftLaunchCenter #文昌航天發射場 #BRI #March2024 |#CLEP  #ChangZheng8 #LongMarch8 Yao 3 #CarrierRocket Launched  towards the Dark side of  Moon  #LunarMission #Change6  #Queqiao2 relay #TelecommunicationSatellite #Satellite ….  South Pole-Aitken Basin 

kevinjamesngLeave a comment

On the morning of 20th March 2024, Wednesday 0831 hours Hong Kong SAR- Beijing Time at CNSA –China National Space Administration– Wenchang Space Craft launch Center the Queqiao-2 relay satellite was successfully launched….  According to the National Space Administration, the Queqiao-2 relay satellite of the fourth phase of the lunar exploration project was launched by the Long March 8 Yao-3 carrier rocket. China’s Wenchang Space Launch Site successfully launched into space.

After the Chang Zheng- Long March 8 Yao-3 carrier rocket flew for 24 minutes, the star and arrow separated, sending the Queqiao-2 relay satellite directly into the predetermined Earth-moon transfer orbit with a perigee altitude of 200 kilometers and an apogee altitude of 420,000 kilometers. The relay star’s solar wing and center following the normal deployment of the communication antennas, the launch mission was a complete success.

The main load of this mission, the “Queqiao-2” relay satellite, was developed by the Aerospace Dongfanghong Satellite Company of the Fifth Academy of China Aerospace Science and Technology Corporation. It uses the CAST-2000 satellite platform, uses a hydrazine propulsion system, and adopts three-axis stability control. The pointing control accuracy is better than 0.03 degrees, the solar cell array output power is greater than 1350 watts, equipped with a 135 Ah battery, communicates based on the S-band Unified Measurement and Control (Unified S Band) system and the Very Long Baseline Interferometry (VLBl) system, the uplink communication rate is 2000bps, the downlink communication rate 4096/512bps, the satellite mass is about 1.2 tons, contains 488 kilograms of propellant, and has a design life of more than 8 years.

The communication payload carried by the satellite includes a 4.2-meter-diameter X-band parabolic antenna, which is used to communicate with the detector without a tracking device and points to the detector through the guidance navigation and control system (GNC); a 0.6-meter-diameter S/Ka dual-band parabolic antenna, Used to transmit data to the ground station, dual-axis tracking and pointing to the ground station; S-band relay antenna for measurement and control (TT&C); ultra-high frequency (UHF) relay antenna. In addition to providing data and signal forwarding, “Queqiao 2” will also forward various ground uplink instructions to the detector. At the same time, “Queqiao 2” is also a scientific exploration satellite equipped with an extreme ultraviolet camera, an array neutral atom imager, and the Earth-Moon Very Long Baseline Interferometry (VLBl) system.



Subsequently, with the support of ground measurement and control, Queqiao-2 will enter the capture orbit after mid-month correction and near-month braking; then enter the phase-modulation orbit after orbit control, and finally enter the 24-hour lunar mission orbit, becoming the successor to “Queqiao”. “After the relay star, it is the world’s second dedicated relay star beyond the earth’s orbit, providing support for the Chang’e-6 lunar sampling mission, and relaying the “Queqiao” relay star to provide relay communication services for Chang’e-4.

After the Long March 8 Yao-3 carrier rocket flew for 24 minutes, the star and arrow separated, sending the Queqiao-2 relay satellite directly into the predetermined Earth-moon transfer orbit with a perigee altitude of 200 kilometers and an apogee altitude of 420,000 kilometers. The relay star’s solar wing and center The communication antennas were deployed normally one after another. Subsequently, with the support of ground measurement and control, Queqiao-2 will enter the capture orbit after mid-month correction and near-month braking; then enter the phase-modulation orbit after orbit control, and finally enter the 24-hour lunar mission orbit, becoming the successor to “Queqiao”. “After the relay star, it is the world’s second dedicated relay star beyond the earth’s orbit, providing support for the Chang’e-6 lunar sampling mission, and relaying the “Queqiao” relay satellite to provide relay communication services for Chang’e-4.

Queqiao-2″ relay satellite and the carrying satellites “Tiandu-1” and “Tiandu-2” communication technology test satellites. The Long March 8 Yao-3 carrier rocket will be launched from Station 201 of the Wenchang launch site and will send the satellite into the Earth-moon transfer orbit. Minus 45 minutes after launch, the three-story rotating platform has all been opened.

Schematic diagram of “Tiandu No. 1”
Schematic diagram of “Tiandu 2”

The “Tiandu-1” and “Tiandu-2” communication technology test satellites were developed by China Deep Space Exploration Laboratory. Among them, “Tiandu-1” was developed by the Eighth Academy of Aerospace Science and Technology, with a mass of 61 kilograms. “No. 2” was developed with the participation of Harbin Institute of Technology and has a mass of 15 kilograms. After entering the Earth-moon transfer orbit, the “Tiandu” binary stars successfully unfolded their solar wings. Afterwards, they will make mid-course corrections, enter the capture orbit after near-lunar braking, and then enter the 24-hour large elliptical frozen orbit around the moon (Elliptical frozen orbit). , then the two satellites were separated and adjusted to a relative distance of about 200 kilometers to carry out verification of new technologies such as lunar orbit navigation space reference allogeneic calibration, Ka-band communication and ranging integration new system tests, and high-reliability lunar-to-ground transmission and routing.



This launch uses the Long March 8 Yao-3 carrier rocket ” basic rocket, which is 50.34 meters long, has a first-stage diameter of 3.35 meters, a second-stage diameter of 3 meters, a booster diameter of 2.25 meters, a take-off mass of 356 tons, a take-off thrust of 499 tons, and is equipped with a 4.2-meter diameter, The height of the fairing is 12 meters, and the Earth-to-Moon transfer orbit has a transportation capacity of more than 1.3 tons.

At the same time, this mission is also the first deep space launch mission for the ” Long March 8 Yao-3 carrier rocket and China’s new generation medium-sized launch vehicle. It is also the first time that the Long March 8 Yao-3 carrier rocket has undertaken the launch mission of the lunar exploration project of a major national aerospace project.

Arouse the bright moon in the sky, illuminating my ambition, and I am determined to go to Guanghan for an appointment. The divine arrow reaches the sky, and the Magpie Bridge …..

Images and visuals are from their Respectives CMS China Manned SpaceCNSA-China National Space Administration  

#CNSA #ChinaNationalSpaceAdministration #国家航天局 |#BRI #March2024 |#西昌衛星發射中心 #XichangSatelliteLaunchCenter the advance iconic #ChangZheng3B #LongMarch3B launches  Advance Internet high orbiting- Satellite Internet High Orbit Satellite 01  #Satellites…..  #ASummary 

kevinjamesngLeave a comment

On the 29th February  2024 in  CNSA _China National Space Administration -China – People’s Republic of China 2103  hours Hong Kong –Beijing Time China- People’s Republic of China launch the Chang Zheng- Long March 3B Carrier Rocket carrying the satellite Internet high-orbit satellite 01 was launched from Station 2 of the Xichang Satellite Launch Center, sending the satellite into the geosynchronous transfer orbit.

Satellite Internet High Orbit Satellite 01 is a large high orbit communication satellite developed by the Communications and Navigation Department of the Fifth Academy of China Aerospace Science and Technology Corporation.

Chang Zheng- Long March 3B Carrier Rocket is a medium-sized liquid bundled launch vehicle developed by the First Academy of China Aerospace Science and Technology Corporation. It adopts a three-stage and a half configuration, consisting of a core first stage, a core second stage, a core third stage and four boosters. Except for the main power of the core third stage, which uses liquid hydrogen/liquid oxygen propellant, the main power of the other stages all uses dinitrogen tetroxide/uniform dimethyl hydrazine propellant. Currently, the carrier rocket is in use in the enhanced type (CZ-3B/E) modified to type 2, type 3, type 3Z, and type 5. Among them, type 3 (CZ-3B/G3) is the model with the strongest carrying capacity. , 56.326 meters long, with a maximum core diameter of 3.35 meters, a fairing diameter of 4 meters, a take-off mass of 458.97 tons, and a standard geosynchronous transfer orbit capacity of 5.55 tons.

This rocket is the second rocket in the Chang Zheng- Long March 3B Carrier Rocket series of rocket reliability and carrying capacity improvement projects. It has made five technical improvements, including improving operational convenience and changing engine technology to improve production efficiency. In 2024, the Changsha triple-A series rockets will usher in a new round of high-density launches.

This launch is the first launch of the ” Chang Zheng- Long March 3B Carrier Rocket in 2024, the third orbital space launch of the Xichang Satellite Launch Center Xichang Launch Site, China’s 10th launch, and the world’s 40th launch. This launch is the 94th launch of the “Chang 3B” rocket in total. Since the 68th launch of the ” Chang Zheng- Long March 3B Carrier Rocket ” rocket on June 23, 2020 (Yao 68/”Beidou 3″ GEO-3), The Rockets have won 27 consecutive games. At the same time, this launch is the 510th launch of the “Long March” series of rockets. Since the successful first flight of the ” Chang Zheng- Long March 3B Carrier Rocket ” (the 331st launch of the “Long March” series of rockets), the “Long March” series of rockets have achieved 180 consecutive victories!

Images and visuals are from their Respectives CMS China Manned SpaceCNSA-China National Space Administration

#CNSA #ChinaNationalSpaceAdministration #国家航天局 |#WenchangSpacecraftLaunchCenter #文昌航天發射場 #BRI #February2024 | #ChangZheng5  #LongMarch5 Yao  #CarrierRocket  launching deploying a  Test #TelecommunicationSatellite #Satellite Number 11 on the #ChineseLanternFestival ….   

kevinjamesngLeave a comment

On the 23RD February 2024 Hour Hong- Kong SAR – Beijing time CNSA –China National Space Administration   At 19:30 on February 23, 2024, Beijing time, the “Chang Zheng -Long March 5” Yao-7 carrier rocket carrying the communication technology test satellite No. 11 was launched from the 101 station of the Wenchang launch site, Hainan Province, China, People’s Republic of China., sending the satellite into the geosynchronous transfer orbit (GTO).

Communication technology test satellite No. 11 was developed by the Communications and Navigation Department of the Fifth Academy of China Aerospace Science and Technology Corporation. It is mainly used to carry out multi-band, high-speed satellite communication technology verification.

The Chang Zheng -Long March 5″ Yao-7 carrier rocket  is a new generation launch vehicle developed by the First Academy of China Aerospace Science and Technology Corporation. It is a large cryogenic liquid bundled launch vehicle. It adopts a two-stage and a half configuration, consisting of a core first stage, a core second stage, and four boosters. device composition. The maximum height of the rocket is about 63.2 meters, with a core diameter of 5 meters and a booster diameter of 3.35 meters. It can be equipped with a standard fairing with a diameter of 5.2 meters and a length of 12.267 meters and an extended fairing with a diameter of 5.2 meters and a length of 18.5 meters. The take-off mass is about 877 tons, with a take-off thrust of about 1,068 tons, and its Geosynchronous Transfer Orbit (GTO) capacity is not less than 14 tons. This rocket is China’s launch vehicle with the highest altitude, the strongest mid-to-high orbit capacity, and the highest carrying efficiency currently in service.

Since its successful first flight, the ” Chang Zheng -Long March 5″ rocket has carried out 7 launch missions, and has achieved 5 consecutive victories since Yaosan. This launch comes only 70 days after the last launch of the “Chang 5″ series rockets, setting a record for the minimum launch interval of the ” Chang Zheng -Long March 5″ series rockets. Starting from the launch of the ” Chang Zheng -Long March 5 Yao 7 Carrier rocket at the end of 2023, the ” Chang Zheng -Long March 5″ series rockets have entered a high-density launch period. Four launch missions are planned in 2024, and five launch missions are expected to be carried out in 2025. In the first half of 2024, the ” Chang Zheng -Long March 5 carrier rocket will carry out the launch mission of the “Chang’e-6” lunar probe of China’s lunar exploration project, and send the “Chang’e-6” to the back of the moon for sample return. This will be the first time in human history , is also the most complex lunar exploration mission in China’s history.

This launch is the first launch of the “Chang 5” rocket in 2024, the second space launch from the Wenchang Launch Site, the 9th launch in China and the 37th launch in the world.