Gaofen is a series of civilian Earth observation satellites developed and launched for the China High-definition Earth Observation System (CHEOS), a state-sponsored programme aimed to develop a near-real time, all-weather, global surveillance network consisting of satellite, near-space (stratosphere) airships, and aerial observation platforms.

Mission type: Earth Science · Orbit: Sun-Synchronous Orbit

Rocket: Long March 4B · Provider: China Aerospace Science and Technology Corporation