| Mission type | Earth observation |
|---|---|
| Operator | Ministry of Natural Resources |
| COSPAR ID | 2012-001A  |
| SATCAT no. | 38046 |
| Mission duration | 4-5 years |
| Spacecraft properties | |
| Manufacturer | CAST (spacecraft) CIOMP (payload) |
| Launch mass | 2630 kg |
| Start of mission | |
| Launch date | 9 January 2012, 03:17:00 UTC |
| Rocket | Chang Zheng 4B Y26 [1] |
| Launch site | Taiyuan, LC-9 |
| Contractor | SAST |
| Orbital parameters | |
| Reference system | Geocentric orbit[2] |
| Regime | Sun-synchronous orbit |
| Perigee altitude | 505 km |
| Apogee altitude | 512 km |
| Inclination | 97.4° |
| Period | 94.65 minutes |
| Epoch | 9 January 2012 |
Ziyuan 3-01orZY 3-01 (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 China Academy of Space Technology (CAST), 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° forward and aft, have spatial resolutions of 4.0 metres (13.1 ft).[3] In addition to the three cameras, Ziyuan-3 carries an infrared multispectral spectrometer, with a spectral resolution of 6.0 metres (19.7 ft).[1][3] The satellite is used to provide imagery to monitor resources, land use and ecology, and for use in urban planning and disaster management.[4] It had a mass at launch of 2,630 kilograms (5,800 lb). The satellite has a planned operational lifetime of 4 years with a possible extension to 5 years.[5]
Ziyuan 3 was launched by a Long March 4B carrier rocket, flying from Launch Complex 9 at the Taiyuan Satellite Launch Center. The launch occurred at 03:17:00 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.[6]
This article incorporates text from this source, which is in the public domain.
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