Analysis of the Manned Mars and Asteroid Missions

Manned Mars and asteroid missions are the important development directions of deep space. Active works about scheme demonstration and technology research have been done by America. For its enormous scale and the limited capacity of the space transport system, such vehicles as heavy launch vehicle and orbit transfer stage have been developed. Analysis of the manned Mars and asteroid missions have been done on the mission plan in this paper, tentative transport schemes and key technologies are done at the same time.