Ziyuan 3 or ZY-3 ( Chinese: 资源三号 meaning Resources 3) is a Chinese Earth observation satellite launched in January 2012. It is a high-resolution imaging satellite operated by the Ministry of Land and Resources of the People's Republic of China.
The Ziyuan 3 satellite was constructed by the China's
Academy of Space Technology, and carries three cameras produced by the Changchun Institute of Optics, Fine Machinery and Physics. A camera aligned normal to the Earth's surface will produce images with a spatial resolution of 2.5 metres (8 ft 2 in), whilst the other two, offset at 22 degrees forward and aft, have spatial resolutions of 4.0 metres (13.1 ft). In addition to the three cameras, Ziyuan-3 carries an [3 ] infrared multispectral spectrometer, with a spectral resolution of 6.0 metres (19.7 ft). [1 ] The satellite is used to provide imagery to monitor resources, [3 ] land use and ecology, and for use in urban planning and disaster management. It had a mass at launch of 2,630 kilograms (5,800 lb). [4 ]
Ziyuan 3 was launched by a
Long March 4B carrier rocket, flying from Launch Complex 9 at the Taiyuan Satellite Launch Centre. The launch occurred at 03:17 UTC on 9 January 2012, and was the first orbital launch of the year. [1 ] VesselSat-2 was launched as a secondary payload on the same rocket. [5 ]
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