Dive Into Advanced – China successfully launched its first network of communication satellite on Tuesday afternoon from the Taiyuan Satellite Launch Center in Shanxi Province. This initial batch, consisting of 18 satellites with a combine weight of 4.8 metric tons. it was carried into orbit by a Long March 6A rocket, which lifted off at 2:42 PM.
The satellites, developed by Shanghai-based SpaceSail, are part of the Qianfan network. This network aims to deliver high-speed, secure, and reliable broadband internet services globally. The company plans to deploy up to 10,000 satellites in low Earth orbit by the end of 2030. Previously known as the G60 network, this space-base system is set to significantly expand its constellation in the coming years.
The first 18 satellites were design by the Micro-Satellite Innovation Academy of the Chinese Academy of Sciences. Which also secured contracts to build an additional 306 satellites for the Qianfan network. By the end of next year, the plan is to have 648 satellites in orbit. Forming the initial version of the Qianfan network. Many observers view this launch as China’s response to SpaceX’s Starlink constellation.
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Yang Yuguang, a senior space industry analyst in Beijing and Vice Chairman of the International Astronautical Federation’s Space Transportation Committee. Commented on the advantages of low Earth orbit satellites. “Compared to satellites operating in high orbits, those in low Earth orbit can respond to users more quickly and cover a larger area. Especially in high-latitude regions, making them more suitable for space-based internet networks,” Yang stated in an interview with China Daily.
Building and operating a large satellite network system in low Earth orbit is challenging due to the need for advanced technology to maintain precise positioning across a large constellation. And also reusable rockets to ensure cost-effective launches. Both state-owned and private Chinese rocket manufacturers are working hard to develop reusable rockets to meet the growing demand from satellite companies, Yang added.
The Long March 6A rocket, developed by the Shanghai Academy of Spaceflight Technology, is a medium-lift launch vehicle. It features a 50-meter diameter core booster that uses liquid fuel and four solid-fuel side boosters. The core booster has a diameter of 3.35 meters and is power by two engines with a thrust of 120 tons each, using liquid oxygen and kerosene. With a launch weight of 530 tons, this rocket is design to transport satellites to various orbits. Including sun-synchronous, low Earth orbit, and medium circular orbits.
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