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中国航天科技集团
5分钟前 来自 微博视频
【优秀!北斗三号全球星座部署全面完成】6月23日9时43分,我国在西昌卫星发射中心用长征三号乙运载火箭成功发射第55颗北斗导航卫星!卫星顺利进入预定轨道,我国提前半年完成北斗三号全球卫星导航系统星座部署目标,北斗卫星导航系统“三步走”战略任务圆满收官。这是我国从航天大国迈向航天强国的重要标志,也是“十三五”期间我国实现第一个百年奋斗目标过程中航天领域完成收官的首个国家重大工程。(高楠/摄)
China Aerospace Science and Technology Corporation
5 minutes ago from Weibo

[Excellent! The deployment of the global constellation of Beidou-3 is completed]

At 9:43 on June 23, China successfully launched the 55th Beidou navigation satellite with the Long March 3B carrier rocket at the Xichang Satellite Launch Center! The satellite successfully entered the preset orbit. Our country completed the deployment goal of the Beidou-3 global satellite navigation system constellation half a year in advance. The Beidou satellite navigation system's "three-step" strategic task was successfully completed. This is an important symbol of our country's march from a major space nation to a space power, and it is also the first major national project to be completed in the aerospace field during the 13th Five-Year Plan. (Gao Nan/Photo)

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9:44, 23-Jun-2020
China launches last BeiDou navigation system satellite
Updated 10:06, 23-Jun-2020
CGTN

China launched the last satellite of the BeiDou Navigation Satellite System (BDS) from the Xichang Satellite Launch Center in southwest China's Sichuan Province at 9:43 a.m. BJT (0143 GMT) on Tuesday.

The satellite, carried by a Long March-3B carrier rocket, is the 30th BDS-3 satellite and the 55th of the whole BeiDou satellite family.

The launch will mark the completion of the country's domestically developed BeiDou constellation, one of four global navigation networks alongside with the United States' GPS, Russia's GLONASS and the European Union's Galileo.

More: Analysis: How is China's BeiDou satellite navigation doing?

Live: China launches the last satellite in BeiDou system

When fully completed, the system will offer its users services including high-precision positioning and short message communication, which "will bring new highlights to global navigation satellite systems," according to Ran Chengqi, director of the China Satellite Navigation Office.

The latest launch came 26 years after construction of the BeiDou-1 officially started in 1994. The first generation of the BeiDou system made China the third country after the U.S. and Russia to have a satellite navigation system.

By 2000, the construction of the BDS-1 was completed and provided services to China. 12 years later, the construction of BDS-2 was finished and this provided services to the Asia-Pacific region. Now, the construction of BDS-3 is scheduled to provide services worldwide.
 
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LIVE: China Launches the Last Satellite in BeiDou System

A high-quality footage (last over 36 min) of the LIVE Coverage on the launch process by CCTV Video News Agency

China launches the last satellite in the BeiDou Navigation Satellite System (BDS), a 30-satellite navigation system, from Xichang Satellite Launch Center in southwest China's Sichuan Province. The final satellite is a geostationary earth orbit (GEO) satellite of the BDS-3 system. This comes 26 years after the construction of the BeiDou-1 officially started in 1994. The first generation of the BeiDou system made China the third country after the U.S. and Russia to have a satellite navigation system. The launch of this last satellite means China will have completed its construction of the global constellation.


At about the 1546th seconds (27:10) the satellite succeeded to be released from the rocket. Then at about 1617th seconds (28:25) the satellite succeeded to open its solar panel arms. The launch was declared completely successful!

BIG CONGRATULATIONS :china:
 
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BeiDou Navigation Satellite System: Three generations of excellence

CGTN - 2020-06-23

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The last satellite of the BeiDou Navigation Satellite System (BDS) was successfully sent into space from Xichang Satellite Launch Center in southwest China's Sichuan Province on Tuesday, marking the completion of the country's domestically developed BeiDou constellation – one of the four global navigation networks alongside the United States' GPS, Russia's GLONASS and the European Union's Galileo.

Three phases of BDS development

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CGTN infographic by Chen Yuyang

China began constructing its navigation system, named after the Chinese term for the Big Dipper constellation, in the 1990s and started serving the Asia-Pacific region in 2012. In more than 30 years, BDS has achieved a range of goals, such as shifting from active to passive positioning and expanding its service coverage from China to the Asia-Pacific region and eventually the globe.

The FIRST phase involved building the BeiDou-1 system, officially began in 1994.

Two geosynchronous equatorial orbit (GEO) satellites were launched in 2000, and the BeiDou-1 system was completed and put into operation. A third GEO satellite was launched to further enhance the system's performance in 2003.

The completion of BeiDou-1 made China the third country after the U.S. and Russia to have a satellite navigation system. In 2013, the BeiDou-1 satellite was decommissioned.

The SECOND phase involved building the BeiDou-2 system, shifting from active to passive positioning, and launching the regional navigation technology services for the Asia-Pacific region.

Construction of the BeiDou-2 system started in 2004. A network of 14 satellites was completed in 2012, which includes five GEO satellites, five inclined geosynchronous orbit (IGSO) satellites and four medium-earth orbit (MEO) satellites.

The BeiDou-2 system added a passive positioning system, which means user devices don't have to send signals and location can be determined just by receiving the signals. The completion of the BeiDou-2 not only serves China but also provides users in the Asia-Pacific region with positioning, speed measurement, timing and short message communication services.

The THIRD phase involved the development of the BeiDou-3 system, which meant setting up "crosslink" and realizing global networking.

The construction of the Beidou-3 system started in 2009 and completed in 2020. The network comprises 30 satellites, including three GEO satellites, three IGSO satellites and 24 MEO satellites.

The BeiDou-3 system features both active and passive positioning, and solves the problem of global stationing for global networking utilizing "crosslink" or satellite-to-satellite connection "dialogue."

It serves global users with positioning, navigation, timing, short message communication and international rescue services, and also provides Augmentation System, Precise Point Positioning (PPP) and regional short message communication services in and outside China.

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CGTN infographic by Du Chenxin

BDS application and market potential

BDS and its derivative devices have offered services to millions of users in the fields of transportation, maritime affairs, electricity, civil affairs, meteorology, fishery, surveying and mapping, mining and public security.

Its market value hit 345 billion yuan (48.58 billion U.S. dollars) in 2019, up 14.4 percent from the previous year, according to an annual industry report.

Vertical markets related to the development and application of the satellite navigation technology, including chip, algorithm, software, data, end devices and supporting infrastructure reported 116.6 billion yuan in output value, accounting for 33.8 percent of the industry's total.

The completion of the Beidou-3 constellation, along with China's "new infrastructure projects" with focus on smart technologies, will be a major engine driving growth in the BDS market, the report said.

(Story by CGTN's Gao Yun, Pan Zhaoyi, Zhang Ziyu and Guo Meiping; cover image via VCG)
 
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我们的太空
今天 08:46 来自 HUAWEI P20 Pro
【祝贺:嚞星完成第一次变轨控制】#西安卫星测控中心# 传来大红屏:今天凌晨,北斗三号最后一颗组网卫星完成第一次变轨控制,祝贺
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(吕炳宏)
Today at 08:46 from HUAWEI P20 Pro
[Congratulations: Yao Xing completed the first orbit maneuver]#西安明星测控中心# A big red screen came: This morning, the last network satellite of Beidou-3 completed the first transfer orbit maneuver, congratulations [中国赞][ China Like] [China Like] (Lü Binghong)

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China launches high-resolution remote-sensing satellite
Source: Xinhua| 2020-07-03 12:48:18|Editor: huaxia

TAIYUAN, July 3 (Xinhua) -- China successfully sent a high-resolution multi-mode imaging satellite into the planned orbit from the Taiyuan Satellite Launch Center in north China's Shanxi Province Friday.

The satellite was launched by a Long March-4B carrier rocket at 11:10 a.m. (Beijing Time), according to the China National Space Administration.

Friday's launch was the 337th by the Long March rocket series.

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The new Gaofen-Multimode satellite is the first based on the NEW remote sensing platform ‘Agility’ that will be used in various types of remote sensing satellites operating in orbits between 500 km and 1,500 km.
Xibaipo (Babi-2) is a Chinese cubesat for educational purposes.

~Thread~
 
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China launches satellite for space environment study
Source: Xinhua| 2020-07-05 10:33:25|Editor: huaxia

JIUQUAN, July 5 (Xinhua) -- China successfully sent a satellite for space environment study and related technology experiments into the planned orbit from the Jiuquan Satellite Launch Center in northwest China on Sunday.

The satellite, the second of the Shiyan-6 series, was launched by a Long March-2D carrier rocket at 7:44 a.m. (Beijing Time), according to the center.

Sunday's launch was the 338th by the Long March rocket series.

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China launches high-resolution remote-sensing satellite
Source: Xinhua| 2020-07-03 12:48:18|Editor: huaxia

TAIYUAN, July 3 (Xinhua) -- China successfully sent a high-resolution multi-mode imaging satellite into the planned orbit from the Taiyuan Satellite Launch Center in north China's Shanxi Province Friday.

The satellite was launched by a Long March-4B carrier rocket at 11:10 a.m. (Beijing Time), according to the China National Space Administration.

Friday's launch was the 337th by the Long March rocket series.

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China confirms reception of data from high-resolution remote-sensing satellite
Source: Xinhua| 2020-07-07 15:51:40|Editor: huaxia

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A Long March-4B carrier rocket, carrying a high-resolution multi-mode imaging satellite, is launched from the Taiyuan Satellite Launch Center, July 3, 2020.(Photo by Zheng Taotao/Xinhua)

BEIJING, July 7 (Xinhua) -- The Chinese Academy of Sciences (CAS) on Tuesday confirmed that China has successfully received data from the newly launched high-resolution multi-mode imaging satellite.

The satellite, launched on July 3, is a civil-use optical remote-sensing satellite with a resolution up to the sub-meter level. According to the Aerospace Information Research Institute under the CAS, China's remote sensing satellite ground station in Beijing's Miyun District first tracked and received the downlink data on July 3.

The ground stations in Kashgar in Xinjiang Uygur Autonomous Region and Sanya in Hainan Province, as well as the China Remote Sensing Satellite North Pole Ground Station, have also confirmed reception of the satellite data.

As of Monday, the remote sensing satellite ground stations have received 1,012 GB of data, which are being processed normally.

The satellite can provide high-precision remote-sensing image data for several industries including surveying and mapping, natural resources, emergency management, agriculture, ecological environment, residential construction and forestry.
 
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Breaking !!
林晓弈
2分钟前 来自 航天爱好者网超话 已编辑
【成功!】7月9日晚20时11分04秒,亚太6D卫星在西昌卫星发射中心搭乘CZ-3B F69运载火箭发射升空,经过近半小时的飞行后,准确将亚太6D卫星送入地球同步转移轨道(GTO),星箭分离正常、太阳帆板一次展开正常。未来数天内,卫星还将完成多次变轨,并进行太阳帆板二次展开、天线展开,完成在轨测试后,最终定点于134°E的服务轨位。来源:深圳卫视深视新闻。详见航天爱好者网超话 发射贴O网页链接
2 minutes ago

【success! 】At 20:11:04 on the evening of July 9, the APStar-6D satellite was launched on top of the CZ-3B F69 carrier rocket at the Xichang Satellite Launch Center. After nearly half an hour of flight, the Asia-Pacific 6D satellite was accurately insert into the geosynchronous transfer Orbit (GTO), the payload separation is normal, and the solar panel first time deployment is normal. In the next few days, the satellite will also complete multiple orbit maneuvers, the second deployment of solar panel and deployment of antenna. After completing the in-orbit test, the satellite will eventually be fixed at the service orbit of 134°E. Source: Shenzhen Satellite Television Deep View News. For more details, please refer to Aerospace enthusiasts' website

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