no code implementations • 17 Dec 2020 • David Arnas, Richard Linares
This work introduces the use of the Koopman operator theory to generate approximate analytical solutions for the zonal harmonics problem of a satellite orbiting a non-spherical celestial body.
Earth and Planetary Astrophysics Functional Analysis Space Physics
no code implementations • 30 Mar 2020 • Carl Leake, David Arnas, Daniele Mortari
This study introduces a new "Non-Dimensional" star identification algorithm to reliably identify the stars observed by a wide field-of-view star tracker when the focal length and optical axis offset values are known with poor accuracy.
