Multiple gravity-assist (MGA) trajectory design requires the solution of a mixed-integer
programming problem to find the best sequence among all possible combinations of …

The utilization of V∞ leveraging maneuvers in deep space missions is able to mitigate the
mission requirements on launch energy, as the spacecraft propulsive acceleration is used to …

A new method to find optimized multiple-gravity-assist (MGA) interplanetary trajectories that
does not require the solution of Lambert's problem is presented. The method, applicable to …

The global optimization of the moon tour design problem is addressed in this paper. These
missions are usually designed using graphical methods or grid search, which require …

This paper proposes a semi-analytical method for multiple gravity-assist (MGA) opportunity
assessment, which can judge the feasibility of MGA sequences and predict corresponding …

Reaching the boundaries of the Solar system has been made possible by Multi-Gravity
Assist (MGA) trajectories that reduce the propellant costs by using the gravity of planets to …

Missions that can visit multiple orbital targets represent the next cornerstone for space
travels, be it for science, exploration or even exploitation. The trajectory design of such …

Tisserand graphs are a widespread tool for interplanetary trajectory and Moon tour design.
They are based on the Jacobi constant being an integral of motion in the Circular Restricted …

By applying a thrusted maneuver during a flyby, a synergistic effect can be achieved,
enhancing maneuverability or the capability to target the next encounter. This specific …

An innovative network model of the gravity assist problem enables the quick discovery and
characterization of candidate trajectories from a small set of search criteria. The network …