Ziyuan 3-01
Mission typeEarth observation
OperatorMinistry of Natural Resources
COSPAR ID2012-001A
SATCAT no.38046
Mission duration4-5 years
Spacecraft properties
ManufacturerCAST (spacecraft)
CIOMP (payload)
Launch mass2630 kg
Start of mission
Launch date9 January 2012, 03:17:00 UTC
RocketChang Zheng 4B Y26 [1]
Launch siteTaiyuan, LC-9
ContractorSAST
Orbital parameters
Reference systemGeocentric orbit[2]
RegimeSun-synchronous orbit
Perigee altitude505 km
Apogee altitude512 km
Inclination97.4°
Period94.65 minutes
Epoch9 January 2012
 

Ziyuan 3-01 or ZY 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.

Spacecraft

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]

Launch

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]

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. "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 12 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. "Display: Ziyuan-3 2012-001A". NASA. 14 May 2020. Retrieved 26 July 2020. Public Domain This article incorporates text from this source, which is in the public domain.
  6. Krebs, Gunter. "ZY 3A, 3B". Gunter's Space Page. Retrieved 9 January 2011.
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