TRAJECTORY DESIGN FOR THE LUNAR POLAR HYDROGEN MAPPER MISSION

The presented trajectory was designed for the Lunar Polar Hydrogen Mapper (LunaH-Map) 6U CubeSat, which was awarded a ride on NASA's Space Launch System (SLS) with Exploration Mission 1 (EM-1) via NASA's 2015 SIMPLEX proposal call. After deployment from EM-1's upper stage (which is planned to enter heliocentric space via a lunar flyby), the LunaH-Map CubeSat will alter its trajectory via its low-thrust ion engine to target a lunar flyby that yields a Sun-Earth-Moon weak stability boundary transfer to set up a ballistic lunar capture. Finally, the orbit energy is lowered to reach the required quasi-frozen science orbit with periselene above the lunar south pole.