I feel that China satellites are mostly launched in Taiyuan and Jiuquan. Why?

This is caused by history. The earliest choice of Dongfeng shooting range was based on the international political structure at that time. For security reasons. Safety, technology. At that time, the national conditions and so on to choose the site. Taiyuan was chosen late, mainly near the research base. The transportation is better and the logistics supply conditions are more convenient. Later Xichang was co-opted. South, suitable for launch.

Logistics supply is better than Taiyuan. Later, I chose Wenchang, Hainan. Further south. More conducive to launch. In addition, it is developed with high thrust. You can go by boat. Large-caliber rockets, land, bridges and tunnels can't get through. To sum up, this is a historical development process. Taiyuan Satellite Launch Center is not in Taiyuan, it is far away from Taiyuan, more than 200 kilometers! Nobody told you. You can't find it at all.

The four rocket launch bases are different in the types of rockets suitable for launch and the tasks they perform, so they can't be launched casually. For example, Jiuquan Satellite Launch Base mainly carries out manned spacecraft launch missions; Taiyuan Satellite Launch Base is suitable for launching sun-synchronous orbits, such as meteorological satellites and application satellites. Xichang is suitable for geosynchronous orbits such as lunar exploration satellites.

The site selection is not as simple as you think. In addition to national defense considerations, Jiuquan launch site launches near-earth orbit, and rockets can be monitored and controlled in China to the maximum extent. The measurement and control time is long, and the rocket landing zone is also in China. The orbits of recoverable satellites and manned spacecraft are also easy to control.

Taiyuan launch site launches a sun-synchronous orbit, because it is a retrograde orbit, so the latitude of the launch site cannot be too low. In order to overcome the earth's rotation speed, the rocket will land in the southwest or in China.

Xichang launch site launches satellites with medium and high orbits and anterograde orbits at low latitudes, and saves energy by means of the earth's rotation speed. The mission type of Wenchang launch site is close to Xichang, with low latitude and convenient transportation. The landing site is at sea.

Taiyuan is a heavy industrial city with a good foundation, and Jiuquan is a northwest frontier with few people and safety. Taiyuan and Jiuquan mentioned in the process of satellite launch should only be code names or call signs, and there is no table address!