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AerospaceEngineeringSeminar
RegularizationforHighFidelityOrbit
Propagation
Hodei Urrutxua, New Frontiers Research Fellow at the University of
Southampton (UK)
The ever increasing needs of modern applications in astrodynamics demand for the highest
fidelity orbital propagations and outputs of unprecedented accuracy. This calls for an accurate
modelling of the orbital dynamics, including in the computations a variety of sources of orbital
perturbations. However, even when all these are taken into account, there are still underlying
fundamental issues that are often overlooked. Indeed, the non-stability of the orbital motion
has been acknowledged from old times. This is an intrinsic problem to celestial mechanics and
has enormous implications, making the future prediction of spaceborn objects particularly
difficult. In this regards, the so called "regularization" techniques offer a promising approach
to circumvent these issues and facilitate numerical orbit propagations that better preserve the
fidelity of the orbital structure, while also improving the numerical performance.
Fecha: 20th October
Hora: 12:30
Lugar: 7.0.J01, Campus Leganés
HodeiUrrutxuagothisBS/MScinAerospaceEngineeringatthe
TechnicalUniversityofMadrid,wherehealsocompletedhisPhD
Thesison“HighFidelityModelsforNear-EarthObjectDynamics”
under the supervision of Prof. Jesús Peláez and Claudio
Bombardelli. He is now a New Frontiers Research Fellow at the
UniversityofSouthampton,wherehecontinueshisresearchlines
in regularized orbit and attitude formulations, advanced
numericalorbitpropagation,asteroidcaptureandrelatedareas.