Ziyuan III-01

Ziyuan 3
Mission type Earth observation
Operator MLR
COSPAR ID 2012-001A
SATCAT № 38046
Mission duration 4-5 years
Spacecraft properties
Manufacturer CAST (spacecraft)
CIOMP (payload)
Launch mass 2,630 kilograms (5,800 lb)
Start of mission
Launch date 9 January 2012, 03:17 (2012-01-09UTC03:17Z) UTC
Rocket Chang Zheng 4B Y26[1]
Launch site Taiyuan LC-9
Orbital parameters
Reference system Geocentric
Regime Sun-synchronous
Perigee 505 kilometres (314 mi)[2]
Apogee 512 kilometres (318 mi)[2]
Inclination 97.42 degrees[2]
Period 94.65 minutes[2]
Epoch 1 November 2013, 05:26:12 UTC[2]

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).[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).

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]

References

  1. 1 2 3 Barbosa, Rui C. (8 January 2012). "China opens 2012 with ZiYuan-3 launch via Long March 4B". NASASpaceflight.com. Retrieved 9 January 2012.
  2. 1 2 3 4 5 "ZY 3 Satellite details 2012-001A NORAD 38046". N2YO. 1 November 2013. Retrieved 31 October 2013.
  3. 1 2 "Ziyuan 3". SinoDefence.com. 6 January 2012. Archived from the original on 8 January 2012. Retrieved 8 January 2012.
  4. 中国成功发射首颗高精度立体测绘卫星"资源三号" (in Chinese). ChinaNews.com. 9 January 2012. Retrieved 9 January 2012.
  5. Krebs, Gunter. "ZY 3A, 3B". Gunter's Space Page. Retrieved 9 January 2011.


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