• Trajectory Options for Human Mars Missions 

      Wooster, Paul D.; Braun, Robert D.; Ahn, Jaemyung; Putnam, Zachary R. (Georgia Institute of Technology, 2006-08)
      This paper explores trajectory options for the human exploration of Mars, with an emphasis on conjunction-class missions. Conjunction-class missions are characterized by short in-space durations with long surface stays, ...