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physics.space-ph2026
Eclipse Observables for Navigation in Cislunar Space
Ian M. Down, James McElreath, Manoranjan Majji
Autonomous navigation independent of Earth-based tracking remains a challenge for spacecraft operating in cislunar space. This paper proposes onboard eclipse detection as an opport…
math.DS2026
Many-Revolution Low-Thrust Transfers within Periodic Orbit Families
Ian M. Down
This paper explores the use of a reduced manifold space initialization method for the generation of both time and fuel optimal many-revolution, low-thrust transfers between three-b…
cs.RO2026
Passively Safe Convex Guidance for Cislunar Rendezvous and Proximity Operations
Ian M. Down, Connor Plaks, Matthew Bolliger +1
This paper presents purely convex programs for passively safe impulsive rendezvous and proximity operations in cislunar orbits. Approach, arrival, and abort maneuvers are all desig…