Characterization of Mars rotational dynamics from Doppler tracking of the InSight lander

Armillotta, Francesco (2022) Characterization of Mars rotational dynamics from Doppler tracking of the InSight lander. [Laurea magistrale], Università di Bologna, Corso di Studio in Aerospace engineering / ingegneria aerospaziale [LM-DM270] - Forli', Documento ad accesso riservato.
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Abstract

In the last decades the evolution of radio science has made it possible to infer the atmosphere composition, the surface and the internal structure of the planets. Since the arrival of the first landers on Mars it was possible to make accurate measurements of the dynamics of this planet; in this thesis we will focus on InSight, considering the data disclosed by the JPL relative to the period from November 26th, 2018 to August 15th, 2021. In particular, the Doppler and Range measurements conducted by the RISE (Rotation and Interior Structure Experiment) will be analyzed. Since the accuracy of these measurements was improved significantly the effects due to the atmosphere of Mars might be measured so it should thus be possible to obtain a better estimate of the parameters characterizing the rotational dynamic of Mars. A large part of this study will therefore be dedicated to the study, modeling, implementation and analysis of the atmosphere of Mars, in both its components: troposphere and ionosphere. Once the complete model of Mars had been built, i.e. including the atmosphere, it was then possible to analyze the residuals, obtained between the data of the measurements carried out and the values predicted by the developed model, in order to obtain an estimate of the rotational dynamic of Mars.

Abstract
Tipologia del documento
Tesi di laurea (Laurea magistrale)
Autore della tesi
Armillotta, Francesco
Relatore della tesi
Correlatore della tesi
Scuola
Corso di studio
Ordinamento Cds
DM270
Parole chiave
InSight, radio science, Mars rotational dynamics, Mars atmosphere, Mars troposphere, Mars ionosphere, troposphere calibration, ionosphere calibration, RISE, Mars angles, lander tracking, Doppler measurement, range measurement
Data di discussione della Tesi
26 Maggio 2022
URI

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