They use a lot of geosynchronous orbits over China to have a better coverage in this area. Take a look at the orbits here : https://www.researchgate.net/figure

They use a lot of geosynchronous orbits over China to have a better coverage in this area. Take a look at the orbits here : https://www.researchgate.net/figure/Ground-tracks-of-the-BeiDou-satellites-and-distribution-of-the-experimental-tracking_fig1_236080831 https://www.researchgate.net/figure/Ground-tracks-of-the-Bei...