Tag: #CAST

#CNSA #ChinaNationalSpaceAdministration #国家航天局 |#BeltAndRoadinitiative #October2020 | # XichangSatelliteLaunchCenter #西昌衛星發射中心Launches successfully of the advance variant Ionic #LongMarch3B #ChangZheng3B #CarrierRocket deploying #Gaofen13 the #EarthSciences #RemoteSensing #OpticalSatellite #Satellite …..

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On a very dark Autumn pasting just of midnight with Xichang Satellite launch Center –  Sichuan province local residents crowds staying up celebrating Morning 0057 hour Beijing time on October 12th, 2020, watching a celebrating launch that celebrating China National Day also the Mid-Autumn festival in China – People’s Republic of China.  In which CSNA –China National Space Administration Successfully launched the Gaofen 13 satellite using the advance variant Long March 3B carrier rocket into schedule orbit deploying the Earth Sciences – Remote Sensing Optical Satellite The Gaofen 13 this marks the ., this launch is the 349th launch of the Long March series carrier rocket. (China Aerospace Science and Technology Corporation) the advance variant of the Long March 3B is . For this mission, the Long March IIIB launch vehicle has undergone the most technological changes in recent years-16 first-flight first-use technologies have been updated, mainly involving satellite fairings, on-arrow pressurized transport systems, and three-stage rocket igniters , Laser inertial group data with amongingly with other modified systems..  

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The Gaofen 13 satellite is a high-orbit optical remote sensing satellite, which is mainly used in fields such as land surveys and crop yield estimation. This mission is the 349th flight of the Long March series of carrier rockets…. The Gaofen 13 is an optical remote sensing satellite with a ground pixel resolution of up to sub-meter level. It is mainly used in territorial census, urban planning, land right confirmation, road network design, crop yield estimation, and disaster prevention and mitigation. , Which can provide information guarantee for the construction of the “Belt and Road Initiative.”

The Gaofen13  manufacturer is CAST – China Academy of Space Technology also in collaboration with its associate agency with CHEOS- China High Resolution Earth Observation System in which is design Built on a CAST 2000 Design Heritage Earth Sciences, in which is design for Translating Gaofen is High Resolution, also known as CHEOS- China High Resolution Earth Observation System, in which provisions in the real time observational data analysis of with high resolution multi spectra equipment imaging system in analysis for assessing environmental disaster warning, emergency response also for the protection for ecological, also providing support for infrastructure construction, transportation for various purpose of the Belt And Road initiative  … one of many specifications of the Gaofen 10 Earth Sciences satellite is The high-resolution satellite is a large-scale remote sensing satellite system for the national science and technology major special arrangement of the microwave remote sensing satellite, the ground pixel resolution is up to sub-meter …

Images and visuals are from Weibo….Also from 哈库纳玛塔塔_Si

#CNSA #ChinaNationalSpaceAdministration #國家航天局 |#BeltAndRoadinitiative #October2020 |长征五号 #LongMarch5 #ChangZheng5 #CMS fragment fuselage found in a #香港 #HongKongSAR #PaklaBay Beach ashore..

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On a 4th October 2020, During the eight day Holiday in China- People’s Republic of China, in which celebrating China’s National Day also on the Same Day is the Mid-Autumn festival in which is a massive celebration throughout the Asian communities.. In which watching TVB early Moring News this morning having breakfast noticing in the footage appears to be seen…..

During the national holiday season a fragment of a fairing suspected to be a Long March rocket was found in Pak La Bay, Sai Kung, and Hong Kong SAR-China-PROC…  The police sent police officers to the scene early in the morning to surround the fragments and wait for relevant departments to send personnel to the scene for inspection. The fragments are printed with the Chinese characters “heading” and the serial number “8Y325A-5B S02-01”, and the broken blue English acronym “CMS” in the center part, which is China Manned Space. There is a blue Chinese manned space logo. After the fairing fragments were exposed,

In which the CSNA-China National Space Administration Long March Chang Zheng 5B Carrier Rocket was During the launch of the CNSA –China National Space Administration Iconic Long  March 5B -ChangZheng 5B Heavy Medium Carrier Rocket that Launched on 5th May 2020 at Wenchang Spacecraft Launch Center – Hainan Province -China -People’s Republic of China… in which during that time it was to test flight a new testing Command Module in which that  replacing the Shenzhou Command Module in which inspired the name for the Walker Class in Star Trek Discovery in which was featured in the Battle of the Binary Stars the Precursor of the Klingon war.. …. perform its first flight mission at the Wenchang space launch site in China at 18:00 Hong Kong -Beijing Time…

During deployment of the new Command Module, the Next Generation of the Module in which it returned safety with all the expectations landing at Jiuquan Satellite Launch Center that following days  afternoon, and then the return module will be transported to Beijing to carry out subsequent relevant verification work to see if any other modifications that’s need to be ready for a manned flight towards the CNSA –CSS- China Space Station ……

Images and visuals are from weibo

#CNSA #ChinaNationalSpaceAdministration #国家航天局 |#BeltAndRoadinitiative #September 2020 |#太原衛星發射中心 #TaiyuanSatelliteLaunchCenter- Launching of the Iconic #LongMarch4B #ChangZheng4B #CarrierRocket Deploying two #EarthSciences #EnvironmentalSciences #Satellites….

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On 1123 Beijing time 27th September 2020 Sunday sheerness Cloudy late morning launching from one of many launch complexes of CNSA –China National Space Administration is launching from太原衛星發射中心Taiyuan Satellite Launch Center  Shanxi Province –China-People’s Republic of China is launching of the International Iconic Long March –Chang Zheng 4B forty four meter tall Carrier Rocket …. This mission is the 348th launch of the Long March series of carrier rockets…..

Launching of the International Iconic Long March –Chang Zheng 4B forty four meter tall Carrier Rocket …. Deploying two set of Environmental Disaster Mitigation II was sent into the scheduled orbit, and the launch mission was successfully….

 The Group 01 satellites of Environmental Disaster Mitigation II include two 16-meter optical satellites, which have the characteristics of high maneuverabilities, high-precision control, high stability, strong load adaptability and long life. After the satellite enters orbit, it will replace the overdue environmental and disaster monitoring and forecasting small satellites A and B, which can serve a wide range of users in land and resources, water conservancy, agriculture, forestry, earthquake and other applications, and further meet the country’s continuous supply of data in related fields.

The two satellites can quickly obtain ground images through the same orbital network, which will greatly improve my country’s medium-resolution visible light, infrared and hyperspectral data acquisition capabilities, and meet the country’s urgent demand for continuous supply of remote sensing data in related fields. Environmental Disaster Mitigation II A and B satellites are two optical remote sensing satellites used to replace the Environmental Disaster Mitigation-1 A and B satellites that have been in orbit for 12 years, meeting the application requirements of the Ministry of Emergency Management and the Ministry of Ecology and Environment, and taking into account The needs of land and resources, water conservancy, agriculture, forestry, earthquake and other industries.

Images and visuals are from Weibo

#CNSA #ChinaNationalSpaceAdministration #国家航天局 |#BeltAndRoadinitiative #CLEPS #September 2020 | #VonKarmanCrater #LunarMission#嫦娥 #Change4 #玉兔#Yutu2 #JadeRabbit making another fun learning Luna exploration 5471.20 Meters more #LunaExploration Summary of more than 630-day scientific with more lunar driving…..

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As of 24th September Thursday 2020, The CNSA –China National Space Administration Belt and Road Initiative Lunar Mission on the One Hundred Kilometer diameter Von Karman Crater    Chang’e 4 lander and the “Yutu 2” lunar rover the Chang’e-4 lander and the “Yutu-2” lunar rover… Chang’e 4 lander and “Yutu 2” lunar rover awakened autonomously and entered the 22nd day of work] Today, the Chang’e 4 lander and “Yutu 2” lunar rover, which have been working on the back of the moon for 630 days…..  In following.. The Chang’e-4 lander and the “Yutu-2” lunar rover will finish the 22nd month day work at 7:30 on September 24 and 23:18 on the 23rd, and complete the moon night mode setting according to ground instructions, and enter moon night sleep. Up to now, Chang’e-4 has spent 630 Earth days on the back of the moon and travelled 547.17 meters cumulatively.

Based on the 21st month day panoramic camera stitched images, DOM images and other data, the “Yutu 2” lunar rover mainly travels during the 22nd month day, successively in the impact crater and reflection about 1.3km northwest of the landing site Areas with higher rates were detected.

Researchers have made use of data such as panoramic camera ring-shot detection, infrared imaging spectrometer calibration detection, and simultaneous detection of lunar radar during driving, and obtained a number of scientific results, which were recently published in the International Journal of Nature Astronomy.

The scientific team conducted in-depth research on the radar detection data and obtained important discoveries about the lunar soil and shallow structures in the landing zone. Based on the characteristics of low-frequency radar signals, as shown in Figure 1, the shallow structure of the landing area is divided into three basic units, from top to bottom there are strong reflection units (unit 1), weak reflection units (unit 2), and medium reflection units. Unit (Unit 3). Combining basic constraints such as regional geology and the spatial distribution of large-scale impact craters, the results of the geological interpretation are as follows: Unit 1 (total thickness of about 130m) is the accumulation of sputtering materials near multiple impact craters (including Finsen, Alder, and von Carmen). Impact craters such as L and L’) and the basalt breccia layer at the bottom; unit 2 (total thickness about 110 m) is a basalt layer with multiple eruptions; unit 3 (thickness not less than 200 m) is Leibniz in the north of the landing zone Spatter from impact craters. The high-frequency radar signal further gives the fine structure of the upper part of the unit 1, as shown in Figure 2, which is characterized by the presence of a 12m thick lunar soil layer on the top, which basically does not contain large rocks, and the bottom is a strip of 22m thick Sputters, they are all projectiles from the Finsen impact crater, with a total thickness of 34m.

Fig.1 The detection profile and interpretation result of the low-frequency channel of the lunar radarFig.1 The detection profile and interpretation result of the low-frequency channel of the lunar radar

    The lunar radar carried by the “Yutu-2” lunar rover can obtain the geological section below the driving path and reveal the layered structure of the underground. Because the lunar radar is directly based on the lunar surface for detection, the reflected signal detected by it has large energy and clear characteristics, and the effect is far better than that of spaceborne radars more than 100km away from the lunar surface. Moreover, due to the use of a frequency much higher than 5MHz of the spaceborne radar, its resolution advantage is also very obvious. The main frequencies of the two channels of the lunar radar are 60MHz and 500MHz, the spatial resolution is 10m and 0.3m, and the detection depth is about 50m and 500m. The high-frequency channel is used to detect the high-resolution structure of the shallow lunar soil and its underlying sputter, and the low-frequency channel is used to detect the layered structure of the deep sputter and basalt.

Figure 2 The detection profile and interpretation result of the high-frequency channel of the lunar radar

The shallow structural profile obtained by the lunar radar shows that the lunar material detected by “Yutu 2” comes from the Finsen impact crater, not from the filling basalt of the von Karman impact crater itself; at the same time, the radar profile also reveals the landing area has experienced multiple impacts, sputtering accumulation and multiple basalt magma eruptions filling. These new discoveries are of great significance for understanding the evolution of the Moon’s South Pole-Aiken Basin, and have an important guiding role for the subsequent exploration and study of the composition and structure of the Moon’s internal material.

嫦娥四号着陆器和“玉兔二号”月球车分别于9月24日7时30分、23日23时18分结束第22月昼工作，按地面指令完成月夜模式设置，进入月夜休眠。截至目前，嫦娥四号已在月球背面度过630个地球日，累积行驶547.17米。

基于第21月昼全景相机拼接影像、DOM影像等数据情况，“玉兔二号”月球车在第22月昼期间主要以行驶为主，先后在距离着陆点西北方向约1.3km的撞击坑和反射率较高的区域进行了探测。

科研人员利用全景相机环拍探测、红外成像光谱仪定标探测、测月雷达行驶过程中同步探测等数据，取得多项科学成果，近期发表在Nature Astronomy国际期刊上。

科学团队对雷达探测数据开展了深入研究，获得了着陆区月壤和浅层结构的重要发现。基于低频雷达信号特征，如图1所示，将着陆区的浅层结构划分为三大基本单元，由上往下依次为强反射单元（单元1）、弱反射单元（单元2）和中等反射单元（单元3）。结合区域地质和大型撞击坑的空间分布等基本约束，地质解译结果如下：单元1（总厚度约130m）为临近多个撞击坑的溅射物堆积（包括芬森、阿尔德、冯·卡门L和L’等撞击坑）和底部的玄武岩角砾层；单元2（总厚度约110 m）为多次喷发的玄武岩层；单元3（厚度不小于200 m）为着陆区北部莱布尼兹撞击坑的溅射物。高频雷达信号进一步给出单元1上部的精细结构，如图2所示，其特征为顶部存在厚达12m的月壤层，基本不含大石块，其下为厚达22m的条带状溅射物，它们均是来自芬森撞击坑的抛射物，总厚度达34m。

图1 测月雷达低频通道的探测剖面及解译结果图1 测月雷达低频通道的探测剖面及解译结果

    “玉兔二号”月球车搭载的测月雷达能够获取行驶路径下方的地质剖面，揭示地下的分层结构。由于测月雷达直接基于月面进行探测，因此，其探测到的反射信号能量大，特征清晰，效果远优于距月面100km以上的星载雷达探测。而且，由于采用远高于星载雷达5MHz的主频，其分辨率优势也十分明显。测月雷达两个通道的主频分别为60MHz和500MHz，空间分辨分别为10m和0.3m，探测深度分别约50m和500m。高频通道用于探测浅部月壤及其下伏溅射物的高分辨结构，低频通道用于探测深部溅射物和玄武岩等分层结构。

图2 测月雷达高频通道的探测剖面及解译结果图2 测月雷达高频通道的探测剖面及解译结果

测月雷达所获取的浅层结构剖面表明“玉兔二号”所探测的月面物质来自于芬森撞击坑，而不是来自冯·卡门撞击坑自身的充填玄武岩；同时，该雷达剖面还揭示了着陆区经历多期次的撞击溅射堆积和多期次玄武岩浆喷发充填。这些新发现对于认识月球南极-艾肯盆地的演化具有非常重要的意义，对于月球内部物质组成和结构的后续探测与研究有重要指导作用。

 

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#CNSA #ChinaNationalSpaceAdministration #國家航天局 |#BeltAndRoadinitiative #September2020 |#酒泉衛星發射中心 #JiuquanSatelliteLaunchCenter Successfully launching the iconic #LongMarch4B #ChangZheng4B #CarrierRocket Deploying the #Ocean2C #EarthSciences #OceanMonitoring #Satellite …..

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On At 1340 Afternoon Beijing Time on September 21st, 2020, CNSA- China National Space Administration, China- People’s Republic of China used the International Iconic Long March- Chang Zheng 4B carrier rocket at the Jiuquan Satellite Launch Center Located in Inner Mongolia – Dongfeng Aerospace City to successfully put the Ocean 2C satellite into the scheduled orbit and launch it A complete success…….in which also the Long March 4B carrier rocket was ignited and lifted off at the Jiuquan Satellite Launch Center and successfully sent the Ocean 2C satellite into the scheduled orbit. The launch was a complete success! This mission is equipped with a sub-level grid rudder system, which can actively control the attitude and landing zone position of a sub-level return stage to reduce the landing zone range by more than 85%.

The Ocean-2C satellite  is third marine dynamic environmental satellite and the second operational star in the space infrastructure marine dynamic exploration series. It will be launched in October 2018 with the Ocean-2B satellite and the subsequent planned launch of the Ocean-2 satellite. The satellite D satellite is networked and operated to jointly form my country’s marine dynamic environment monitoring network, realizing high-precision observations of the global sea height, effective wave height, sea surface wind field, and sea surface temperature around the clock, effectively serving my country’s natural resource survey and supervision. The Ocean 2C satellite and the Long March 4B carrier rocket were developed and produced by the Aerospace Science and Technology Group Co., Ltd. The Ministry of Natural Resources is the main user department of the satellite project. This mission is the 347th launch of the Long March series of carrier rockets.

During the monitoring of the Launch Weinan found the target! Weinan tracking is normal!……. At 13:40 on September 21, the Weinan Measurement and Control Station of the Xi’an Satellite Measurement and Control Center successfully completed the measurement and control task of the Ocean II C satellite! After the rocket lifted off, the Weinan Observation and Control Station of the Xi’an Satellite Observation and Control Center found the target in time, the satellite tracking was stable, and the data acquisition was effective.

It is understood that in order to ensure the success of the task, the maintenance team uses the heavy and long task gap to actively maintain the mechanical structure of the equipment, carefully check the status of the equipment, investigate and solve the hidden dangers of the equipment, and do not miss any screw buttons to ensure that the antenna runs well….

 

Also in which tracking the launch Sanya Measurement and Control Station successfully completed the “Ocean II” C satellite measurement and control mission “Sanya found the target!” At 13:40 on September 21, 2020 Beijing time,  tracking the Long March 4B carrier rocket at the Jiuquan Satellite Launch Center and successfully The Ocean-2C satellite was sent into a predetermined orbit. After the rocket lifted off, the Sanya Observation and Control Station of Xi’an Satellite Control Center found and tracked the target in time, and successfully completed the launch observation and control mission. 张梅宋刘玉

2020年9月21日13时40分，我国在酒泉卫星发射中心用长征四号乙运载火箭，成功将海洋二号C卫星送入预定轨道，发射获得圆满成功。
海洋二号C卫星是我国第三颗海洋动力环境卫星，也是空间基础设施海洋动力探测系列的第二颗业务星，将与2018年10月发射的海洋二号B卫星及后续规划发射的海洋二号D卫星组网运行，共同构成我国海洋动力环境监测网，实现对全球海面高度、有效波高、海面风场、海面温度的全天时全天候高精度观测，有效服务我国自然资源调查监管。海洋二号C卫星、长征四号乙运载火箭由航天科技集团有限公司研制生产，自然资源部为该卫星工程牵头主用户部门。这次任务是长征系列运载火箭的第347次发射

【渭南发现目标！渭南跟踪正常!  】9月21日13时40分，西安卫星测控中心渭南测控站圆满完成对海洋二号C星的测控任务！火箭升空后，西安卫星测控中心渭南测控站发现目标及时、卫星跟踪稳定、数据获取有效。
据了解，为了保证任务的圆满顺利，维护分队利用繁重的长管任务间隙积极进行设备机械结构维护，认真检查设备状态，排查并解决设备隐患，不放过任何一个螺丝按钮，确保天线运行良好。

【三亚测控站圆满完成“海洋二号”C卫星测控任务】“三亚发现目标!”北京时间2020年9月21日13时40分，我国在酒泉卫星发射中心用长征四号运载火箭，成功将海洋二号C卫星送入预定轨道。火箭升空后，西安卫星控中心三亚测控站及时发现跟踪目标，圆满完成发射测控任务。

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