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"SJ") is a series of satellites built and operated by the People's Republic of China. Some Shijian-series satellites have drawn significant concerns from the United States government and space observers who cite unannounced launches, undisclosed sub-satellites deployed in orbit, unusual orbital maneuvers, and demonstrated rendezvous proximity ...
Two derivative models, the Shijian-8 (SJ-8) and Shijian-10 (SJ-10), were developed and launched as 'seed satellites' conducting bioastronautic experiments for the Chinese Ministry of Agriculture. All FSW-series satellites were launched into orbit using Long March rockets from the Jiuquan Satellite Launch Center .
Shiyan 7 was launched from Taiyuan Satellite Launch Center (TSLC) on 19 July 2013 aboard a Launch March 4C rocket into low Earth, Sun-synchronous orbit, accompanied by the Shijian 15 (of unknown mission) and Chuangxin 3.
Researchers have long warned about the impact of satellites in our view from the ground – but it is affecting the view in space, too
China says it launched a rocket Tuesday carrying a constellation of a reported 18 satellites as part of efforts to assert its presence in space. The satellites were carried aboard a Long March-6 ...
A Chinese state-owned enterprise on Tuesday successfully placed 18 satellites into orbit, state broadcaster CCTV reported, as China seeks to create its own version of U.S. firm SpaceX's Starlink ...
[2] [13] Launched in 2017, 2020, and 2021, these satellites are rumored to be of the Huoyan-1 (Chinese: 火眼; pinyin: Huǒyǎn; lit. 'Fire Eyes') program — China's first early-warning satellites in geosynchronous orbit. [1] [2] [13] These purported Huoyan-1 series satellites remain fixed in orbit over the Indian Ocean, South China Sea, and ...
Qianfan satellites are bright, and they pose a threat to observational astronomy. At their current luminosity the spacecraft will leave streaks in photographic research images that cannot be removed by software. They would also interfere with aesthetic appreciation of the night sky because they are visible to the unaided eye.