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The Resonant Structure of xGEO and Implications for Cislunar Domain Awareness

Rawat, A.; Rosengren, A.; Ross, S. +1 more

A rigorous dynamical definition for xGEO is the critical distance at which the secular contributions from the lunisolar perturbations exceed those from Earth oblateness, known in astronomical parlance as the Laplace radius. xGEO fundamentally represents a restricted four-body problem (R4BP), which can be approached locally using the perturbed-Hami…

From SMART1 and recent probes towards Artemis and a human/robotic Moon Village

Foing, Bernard

This paper describes highlights of some of the European Space Agency (ESA) missions to the Moon, such as the 2003 ESA SMART-1 Mission to the Moon and the fleet of orbital missions from 2007 that changed our views of the Moon. It discusses the International Lunar Exploration Working Group (ILEWG) MoonVillage roadmap towards a series of landers or a…