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Gaofen-4 is the first Chinese geosynchronous orbit remote sensing satellite and equipped with one stare camera with resolution of 50-m VNIR (Visible Light Near Infrared) and 400-m MWIR (Medium Wave Infrared) spectrum and 400-km swath. It is based on area array starring imaging and boasts capability of visible light, multi-spectrum and infrared imaging.

Spacecraft design and mission details

Name

Gaofen-4

Country

China

Developer

CAST/BISSE (China’s Academy of Space Technology/Beijing Institute of Spacecraft System Engineering)

Operator

China Center For Resources Satellite Data and Application (CRESDA)

Launch vehicle

CZ-3B

Launch date

29 December 2015

Launch site

Jiuquan Satellite Launch Center, China

Date of deactivation

-

Orbit: Type
Altitude, km
Inclination, deg.

Geo-synchronous
36 000
105,6

Mission duration, years

8

Revisit frequency

20 seconds

Mass, kg

2950


Gaofen-4 observes China and the surrounding areas by pointing control. Gaofen-4 provides fast, reliable and stable optical remote sensing data to support disaster response, forestry, earthquake and meteorology applications, and supplements an advanced technology for alerting natural disasters, monitoring wild fires or typhoon. Gaofen-4 satellite data is mainly applied in the industries as environment, marine, agriculture and water resources in China and neighbor countries.

Specifications

Sensor bands

VNIR:

Blue: 450-900 nm

Green: 450-520 nm

Red: 630-690 nm

Near-IR: 760-890 nm

MWIR: 3500-4100 nm

Dynamic range, bits per pixel

10

Sensor resolution (at nadir), m

VNIR: 50 m, MWIR: 400 m

Swath width, km

400

Onboard storage

4600


Applications:

  • Emergency management and emergency preventing;
  • Climate change monitoring;
  • Environmental monitoring;
  • Mapping;
  • Mining exploration;
  • Agricultural management.
For cost calculation of the Gaofen-4 imagery for your area of interest, send technical description of your proposal to: innoter@innoter.com. For consultations contact by the phone: +7 495 245-04-24
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