China launches Gaofen-11, a high resolution observation satellite

From the article: State media Xinhua stated the satellite would be “mainly used for land surveys, city planning, land rights confirmation, road network design, crop yield estimation and disaster prevention and mitigation.”

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Gaofen satellites form the civilian China High-resolution Earth Observation System (CHEOS) comprised of optical, multispectral, hyperspectral and synthetic aperture radar satellites. Resolution capabilities and other information has been published for lower numbered Gaofen series satellites.

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However information for Gaofen satellites numbered 8 and above has not been openly released within or prior to launch reports, suggesting the satellites are for national defense purposes.

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Renders of the first Gaofen-11 satellite in orbit on mission control screens shown on state television suggest the series of satellites have large (1.5-meter-diameter-plus) apertures for optical remote sensing.

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An article published by the Chinese Society for Geodesy, Photogrammetry and Cartography (Chinese) in November 2020 states that Gaofen-11 has the capability to return optical imagery at a resolution of around 10 centimeters. The interview-based article claims that this is comparable to the perceived yet classified capabilities of the U.S. Keyhole reconnaissance satellite system.