May 2, 2026 D. Arnas, R. Linares “A set of orbital elements to fully represent the zonal harmonics around an oblate celestial body” Monthly Notices of the Royal Astronomical Society [00358711] 502.3 (2021): 4247-4261. Print. Share this 502.3 (2021): 4247-4261. Print."] Related Stories See all news SpaceTech 2026 explores the space innovation ecosystem Tackling the housing shortage with robotic microfactories See all news