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Meeting	ACGS Committee Meeting 129 - Colorado Springs, CO - October 2022
Agenda Location	7 SUBCOMMITTEE B – MISSILES AND SPACE 7.1 Dynamic Rollover for Lunar Landing Vehicles
Title	Dynamic Rollover for Lunar Landing Vehicles
Presenter	Jing Pei
Affiliation	NASA Langley
Available Downloads*	presentation
	Downloads are available to members who are logged in and either Active* or attended this meeting.
Abstract	This work aims to characterize the effect of slosh using a two-step analytical method for the two-and-over and two-two-and-over symmetric landing modes via Kane’s theory of generalized impulse and momentum. Simulation results establish conditions at which slosh improves or degrades touchdown stability compared to treating the system as a single rigid body. Results from this work is applied to current development of the Lunar Starship for NASA’s Artemis III mission.