Non un vero redocking, hanno fatto un test di docking radiale.
Due to the characteristics of the orbital operation, the Shenzhou 12 must accurately maintain the docking position and gradually approach, which is very difficult and requires a very sensitive sensor. The error of more than 10 cm is not allowed, otherwise it will cause the docking failure. Of course, the Shenzhou 12 The ship is only conducting a “radial rendezvous experiment”, and will not actually dock with the lower interface of the node compartment. It will stay at a distance of 19 meters for 5 minutes, and then retreat. In order to prevent the failure of the radial docking, the retreated Shenzhou 12 came to 2 kilometers again, adjusted its attitude again, restored the previous attitude, first rotated itself 180 degrees, and then adjusted the pitch to 0, that is to say, with China The space station is parallel, and then flies around from below to the front of the Chinese space station, keeping it in a straight line with the Chinese space station.