Gravitational Multibody Dynamics: A Quick-start Guide - Lesson 5: From CR3BP to Ephemeris

Discipline: Flight Mechanics

Instructions:
- Join the NASA Flight Mechanics CoP on Teams!
- Add to Calendar for a convenient reminder 15 minutes prior to the event.
- Join Teams Meeting. We encourage you to use this link before the event to test your ability to tune in.

Abstract:
This session (final lesson in 5-part series) shows how CR3BP solutions are transitioned into higher-fidelity ephemeris models. It covers dimensionalization, frame transformations between rotating CR3BP coordinates and inertial J2000 coordinates using instantaneous primary-secondary geometry, the addition of ephemeris forces, and the extension from periodic orbits toward quasi-periodic motion and invariant tori.

About the Speaker:
Dr. Davide Guzzetti is an Associate Professor in the Department of Aerospace Engineering at Auburn University and a Samuel Ginn Faculty Achievement Fellow. His work centers on astrodynamics and space mission design, including spacecraft trajectory design in multi-body and cislunar environments, cislunar domain awareness, spatial computing for astrodynamics, and small orbital debris remediation. He has received a NASA Early Career Faculty Award and recognition as a NASA NIAC Fellow, along with Auburn University recognitions for research and mentorship. At Auburn, he teaches space mission design and orbital mechanics, and contributed to Designing the Moonshot: Introduction to Multi-Body Dynamics, a massive open online course on multi-body gravitational dynamics. He is a current member of the American Astronautical Society Space Flight Mechanics Committee. Dr. Guzzetti earned his Ph.D. in Astrodynamics from Purdue University, M.S. degrees in Space Engineering from Politecnico di Milano and Politecnico di Torino, and a B.S. in Aerospace Engineering from Politecnico di Milano.