Trajectory Anomalies in Interplanetary Spacecraft

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Description

This thesis presents fundamental workthat explainstwo mysteries concerning the trajectory of interplanetary spacecraft. For the first problem, the so-called Pioneer anomaly, a wholly new and innovative method was developed for computing all contributions to the acceleration due to onboard thermal sources. Through a careful analysis of all parts of the spacecraft Pioneer 10 and 11, the application of this methodology has yielded the observed anomalous acceleration. This marks a major achievement, given that this problem remained unsolved for more than a decade. For the second anomaly, the flyby anomaly, a tiny glitch in the velocity of spacecraft that perform gravity assisting maneuvers on Earth, no definitive answer is put forward; however a quite promising strategy for examining the problem is provided and a new mission is proposed. The proposal largely consists in using the Galileo Navigational Satellite System to track approaching spacecraft, and in considering a small test body that approaches Earth from a highly elliptic trajectory.

Auteur

With a previous background in Aerospace Engineering, Frederico Francisco undertook his PhD and subsequent research to date in connection with interplanetary spacecraft trajectory anomalies. The key achievement in this work was the development of a reliable method to determine the thermal accelerations in spacecraft that proved to be essential in solving the longstanding problem of the Pioneer anomaly.

Besides his main focus on physics, he has also collaborated in research activities related to rail infrastructure maintenance and management and cultivates a wide range of personal interests including economy and politics.



Texte du rabat
This thesis presents fundamental work that explains two mysteries concerning the trajectory of interplanetary spacecraft. For the first problem, the so-called Pioneer anomaly, a wholly new and innovative method was developed for computing all contributions to the acceleration due to onboard thermal sources. Through a careful analysis of all parts of the spacecraft Pioneer 10 and 11, the application of this methodology has yielded the observed anomalous acceleration. This marks a major achievement, given that this problem remained unsolved for more than a decade.
For the second anomaly, the flyby anomaly, a tiny glitch in the velocity of spacecraft that perform gravity assisting maneuvers on Earth, no definitive answer is put forward; however a quite promising strategy for examining the problem is provided and a new mission is proposed. The proposal largely consists in using the Galileo Navigational Satellite System to track approaching spacecraft, and in considering a small test body that approaches Earth from a highly elliptic trajectory.

Contenu
Introduction.- The Pioneer Anomaly and Thermal Effects in Spacecraft.- Cassini Gravitational Experiments.- Outer Solar System (OSS) Mission Proposal.- The Flyby Anomaly and Options for Its Study.- Conclusions and Outlook.

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Détails sur le produit

Titre
Trajectory Anomalies in Interplanetary Spacecraft
Sous-titre
A Method for Determining Accelerations Due to Thermal Emissions and New Mission Proposals
Auteur
EAN
9783319189802
ISBN
978-3-319-18980-2
Format
eBook (pdf)
Producteur
Springer International Publishing
Editeur
Springer
Genre
Physique, astronomie
Parution
02.06.2015
Protection contre la copie numérique
filigrane numérique
Taille de fichier
2.57 MB
Nombre de pages
87
Année
2015
Sous-titre
Englisch
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