1. Design of Low Thrust Trajectories from Low Earth Orbit to Distant Retrograde Orbits by Particle Swarm Optimization Open Access Author: Sharan, Sharad Title: Design of Low Thrust Trajectories from Low Earth Orbit to Distant Retrograde Orbits by Particle Swarm Optimization Graduate Program: Aerospace Engineering Keywords: Distant Retrograde OrbitsParticle Swarm OptimizationLow thrust transfer File: Download Sharan_Thesis.pdf Committee Members: Robert Graham Melton, Thesis Advisor/Co-AdvisorAmy Ruth Pritchett, Program Head/ChairPuneet Singla, Committee Member