May 7, 2024 D. Arnas, R. Linares “Approximate Analytical Solution to the Zonal Harmonics Problem Using Koopman Operator Theory” Journal of Guidance Control and Dynamics [07315090] 44.11 (2021): 1909-1923. Print. Share this 44.11 (2021): 1909-1923. Print."] Related Stories See all news Alvin Harvey and Nicole McGaa honored as 2024 RISE Award recipients Julie Shah named head of the Department of Aeronautics and Astronautics See all news