SuperView-1 or GaoJing-1 constellation consists of four Chinese commercial remote sensing satellites operated by Beijing Space View Tech Co Ltd, which is also an official distributor of the obtained satellite imagery collection. The main objective of the program is to provide data to be applied in defense and intelligence, land and forestry management, high accuracy mapping, security and maritime programs.
The first two satellites, SuperView-1 01 and Superview-1 02 were launched on December 28, 2016 on a CZ-2D vehicle from Taiyuan Satellite Launch Center, China. SuperView-1 03 and SuperView-1 04 joined the program on January 9, 2018 from the same launch center but on a Long March 2D vehicle. Currently, the four SuperView – 1 satellites operate at an altitude of 500 km, phased 90° from each other on the same orbit.
The GaoJing satellites are the first “very high-resolution” Earth observation spacecrafts, designed in China. Apart from two solar panels, they are equipped with sensors collecting imagery of both panchromatic (0.5 m) and multispectral (2 m) resolution with the 60 km x 70 km single scene maximum. The constellation is very agile and operates in four acquiring modes:
- stereo imaging
- long strip
- multiple strips collect
- multiple point targets collect
|Launched by||Beijing Space View Tech Co Ltd|
|Design life||8 years|
|Revisit time||2 days|
|Imager type||Pushbroom with TDI capability|
|Data transmission||2*450 Mbps|
|Onboard storage||2.0 TB|
|GSD (nadir)||PAN: 0.5 m
MS: 2 m
|Swath width (nadir)||12 km|
|Detector type||CCD array|
|Data quantization||11 bit|
|Data positioning accuracy||CE90 mono = 20|
|Imaging capacity/day||700,000 km2|
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