Tiangong 1 target spacecraft is China's first independent development of manned space test platform, on September 29, 2011, 21 16 minute 03 seconds from the jiuquan satellite launch center launch, total length of 10.4 meters, maximum diameter of 3.35 meters, the effective use of space within about 15 cubic meters, can meet the needs of the three astronauts work and live in the hold, design of on-orbit life two years.