Proceedings of the 44th Annual American Astronautical Society Guidance, Navigation, and Control Conference 2022 von Sandnas, Matt, Spencer, David B

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Transfers to Sticky Distant Retrograde Orbits von Scott, Christopher J, Spencer, David B

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Mission analysis for Earth to Mars-Phobos distant Retrograde Orbits von Conte, Davide, Spencer, David B.

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Calculating Transfer Families to Periodic Distant Retrograde Orbits Using Differential Correction von Scott, Christopher J, Spencer, David B

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Earth-Mars transfers through Moon Distant Retrograde Orbits von Conte, Davide, Di Carlo, Marilena, Ho, Koki, Spencer, David B., Vasile, Massimiliano

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Fireworks Algorithm Applied to Trajectory Design for Earth to Lunar Halo Orbits von He, Guanwei, Conte, Davide, Melton, Robert G, Spencer, David B

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Improvement of TIE-GCM thermospheric density predictions via incorporation of helium data from NRLMSISE-00 von Kim, Jung Soo, Urbina, Julio V., Kane, Timothy J., Spencer, David B.

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Solutions to Rapid Collision-Avoidance Maneuvers Constrained by Mission Performance Requirements von Reiter, Jason A, Spencer, David B

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The high-speed identification and sorting of nonferrous scrap von Spencer, David B

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Coupling of Estimation and Sensor Tasking Applied to Satellite Tracking von Williams, Patrick S, Spencer, David B, Erwin, Richard S

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Application of a multi-objective evolutionary algorithm to the spacecraft stationkeeping problem von Myers, Philip L., Spencer, David B.

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Technique to Optimize for Engine Shutoff Constraints in Electric-Propulsion Trajectories von Reiter, Jason A, Spencer, David B

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Satellite Constellation Design Tradeoffs Using Multiple-Objective Evolutionary Computation von Ferringer, Matthew P, Spencer, David B

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Optimal Spacecraft Rendezvous Using Genetic Algorithms von Kim, Young Ha, Spencer, David B

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Optimal Periodic Cruise Trajectories via a Two-Level Optimization Method von Kang, Bing-nan, Spencer, David B, Tang, Shuo, Jordan, Dan

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Transit-Orbit Search for Planar Restricted Three-Body Problems with Perturbations von Yamato, Hideaki, Spencer, David

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Optimal, Low-Thrust Earth-Orbit Transfers Using Higher-Order Collocation Methods von Herman, Albert L, Spencer, David B

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Designing for the Space Environment via Trade Space Exploration von Binz, Christopher, Spencer, David B, Levin, Deborah A, Simpson, Timothy W

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Optimal Reconfiguration of Satellites in Formation von Scott, Christopher J, Spencer, David B

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Thermospheric density model blending techniques: Bridging the gap between satellites and sounding rockets von Kim, Jung Soo, Spencer, David B., Kane, Timothy J., Urbina, Julio

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