Astrodynamics

A Composite Inverse Problem Approach for the On-Orbit Debris Detection and Orbital Determination Problems

SENTINEL frames on-orbit debris detection and orbital determination as a composite inverse problem, extracting faint debris from noisy, corrupted imagery and recovering orbits from …

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Bennet Outland
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Robust Game-theoretic Motion Planning over Extended Time Horizons

WOLF couples receding-horizon MPC with a sequential-convexification differential games solver, co-optimizing a dynamic robustness tube with the trajectory to guarantee feasibility …

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Bennet Outland
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Orbital Stability of Closely-Spaced Four-planet Systems featured image

Orbital Stability of Closely-Spaced Four-planet Systems

Four-planet system stability falls between three- and five-planet systems and is primarily driven by first- and second-order mean motion resonances, with a stability phase-shifting …

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Bennet Outland
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Starting Longitudes and the Lifetimes of Closely Spaced Four-Planet Systems

Systematic trends and sensitivity of multi-planetary systems to initial orbital separation.

g.-noble
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Orbital Stability of Compact Four-Planet Systems

Updated systematic study of four-planet systems including details about lifetime phase shifting.

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Bennet Outland
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Dependence of Lifetimes of Closely-Spaced Planetary Systems on Number of Planets

How stability characteristics change as more planets are added to compact systems.

j.-lissauer
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Orbital Stability of Compact Four-Planet Systems

Initial results of a study on the lifetimes of four-planet systems analogous to those observed by the Kepler spacecraft.

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Bennet Outland
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