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ZiYuan-3 02 (ZY-3 02) is a Chinese satellite, launched on the 30th of May 2016, the second satellite of the ZiYuan III series. ZY-3 02 can provide high-resolution stereoscopic survey. Unlike its predecessor – ZiYuan III-1 satellite – it has onboard improved optical system, which allows achieving 2,7 m resolution (ZY-3 01 had 3,5 m resolution).

Spacecraft design and mission details


ZY-3 02




CAST (spacecraft), CIOMP (payload)


Ministry of Land and Resources of the People's Republic of China

Launch vehicle


Launch date

30 May 2016

Launch site

Taiyuan Satellite Launch Center, China

Date of deactivation


Orbit: Type
Altitude, km
Inclination, deg.


Mission duration, years

4 - 5

Revisit frequency, days

3 - 5

Mass, kg


The satellite carries three high-resolution panchromatic cameras and 1 infrared multispectral scanner (IRMSS). The panchromatic cameras are positioned at the front-viewing, vertical-viewing and rear-viewing positions, and they collect imagery of the Earth from different perspectives at the same time, allowing precise determination of the exact locations of different areas of interest on the Earth, resulting in ideal production of large-scale maps. At the same time, the payloads can also provide high-resolution infrared and stereoscopic images to satisfy the demands of the users from resource mapping, environmental surveying, disaster monitoring, city planning and national security segments.


Sensor bands Panchromatic: 500–800 nm
Blue: 450–520 nm
Green: 520–590 nm
Red: 630–690 nm
Near-IR: 770–890 nm
Dynamic range, bits per pixel 10
Sensor resolution (at nadir), m PAN: 2,1 m (nadir); 3,5 m (Front/Rear)
MS: 6 m
Swath width, km 51
Onboard storage 128 Gb


  • National security;
  • Land-use management;
  • Urban planning;
  • Agriculture and forestry;
  • Ecology;
  • Emergency management.

For cost calculation of the ZiYuan-3 02 imagery for your area of interest, send technical description of your proposal to: For consultations contact by the phone: +7 495 245-04-24

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