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China launches HD earth observation satellite

By   /   December 29, 2015  /   No Comments

Updated: Dec 29,2015 9:34 AM     Xinhua

Photo taken on Dec 29, 2015 shows the Long March-3B carrier rocket is launched with the Gaofen-4 Satellite in Xichang of Southwest China’s Sichuan province. [Photo/Xinhua]

XICHANG — China on Dec 29 launched its most sophisticated observation satellite, Gaofen-4, as part of the country’s high-definition (HD) earth observation project.

Gaofen-4 was launched from the Xichang Satellite Launch Center in the southwestern province of Sichuan at 00:04 am aboard a Long March-3B carrier rocket. It was the 222nd flight of the Long March rocket series, according to the State Administration of Science, Technology and Industry for National Defense (SASTIND).

Gaofen-4 is China’s first geosynchronous orbit HD optical imaging satellite and the world’s most sophisticated HD geosynchronous orbit remote sensing satellite, according to Xu Dazhe, head of SASTIND and China National Space Administration.

The successful launch of Gaofen-4 was the 19th space mission in this year. It will be used for disaster prevention and relief, surveillance of geological disasters and forest disasters, and meteorological forecast, according to Tong Xudong, the chief designer of the Gaofen project with SASTIND.

The Gaofen project aims to launch seven high-definition observation satellites before 2020.

Gaofen-1, the first satellite of the project, was launched in April 2013.

Different from Gaofen-1 and Gaofen-2 in low orbits (600-700 km) around the earth, Gaofen-4 is located at the orbit 36,000 kilometers away from the earth and moves synchronously with the earth.

It can “see” an oil tanker on the sea with a huge CMOS camera, reaching the best imaging level among global high-orbit remote sensing satellites, according to Li Guo, chief designer of Gaofen-4.

Photo taken on Dec 29, 2015 shows the Long March-3B carrier rocket is launched with the Gaofen-4 Satellite in Xichang of Southwest China’s Sichuan province. [Photo/Xinhua]

Photo taken on Dec 29, 2015 shows the Long March-3B carrier rocket is launched with the Gaofen-4 Satellite in Xichang of Southwest China’s Sichuan province. [Photo/Xinhua

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  • Published: 2 years ago on December 29, 2015
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