China launched a new meteorological satellite on September 25 using a Long March-2D launch vehicle. Launch of the second Yunhai-1 satellite took place at 00:54 UTC from the LC43/94 Launch Complex of the Jiuquan Satellite Launch Center. This was the fifth Chinese orbital launch in less than a month.
The Yunhai-1 are a series of meteorological satellites built by Shanghai Academy of Spaceflight Technology (SAST), possibly based on the CAST2000 platform.
According to official information, the satellites are used for observation of atmospheric, marine and space environment, disaster prevention and mitigation, and scientific experiments.
Data provided by the Yunhai-1 satellites complement the information provided by the Fengyun meteorological satellites.
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The first Yunhai-1 was launched on November 11, 2016, using the Long March-2D (Y34) rocket.
The Long March-2D (LM-2D) launch vehicle is a two-stage rocket developed by the Shanghai Academy of Spaceflight Technology. With storable propellants is mainly used to launch a variety of low earth orbit satellites.
The development of LM-2D was started in February 1990. From 2002, to meet the demand of SSO satellites, the payload fairing of 3350mm in diameter and attitude control engine for the ...