Alternative Transfers to the NEOs 99942 Apophis, 1994 WR12, and 2007 UW1 via Derived Trajectories from Periodic Orbits of Family G
Figure 3
(a) Typical escape trajectory from the Earth-Moon system. (b) Energy gain relative to the Earth as function of the time for the trajectory. Note that it is a typical swingy-by energy gain.
