Shenzhou 13  神舟十三号 is a Chinese spaceflight scheduled to launch at 16:23:44 UTC, on 15 October 2021. The flight will mark the eighth crewed Chinese spaceflight and the thirteenth flight of the Shenzhou program. The spacecraft will carry three People's Liberation Army Astronaut Corps (PLAAC) taikonauts on the second flight to the Tianhe core module, the first module of the Tiangong space station.

The spaceflight is the first of the upcoming missions set to last six months (180 days). After that, the six-month stay aboard the space station will become the normal duration of the astronaut crew in orbit.

Approximately 4” Diameter