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Trajectory Anomalies in Interplanetary Spacecraft electronic resource A Method for Determining Accelerations Due to Thermal Emissions and New Mission Proposals / by Frederico Francisco.

By: Francisco, Frederico [author.]Contributor(s): SpringerLink (Online service)Material type: TextTextSeries: Springer Theses, Recognizing Outstanding Ph.D. ResearchPublication details: Cham : Springer International Publishing : Imprint: Springer, 2015Description: XVII, 87 p. 27 illus., 3 illus. in color. online resourceContent type: text Media type: computer Carrier type: online resourceISBN: 9783319189802Subject(s): physics | Space sciences | Aerospace engineering | Astronautics | Physics | Extraterrestrial Physics, Space Sciences | Theoretical, Mathematical and Computational Physics | Aerospace Technology and AstronauticsDDC classification: 520 | 500.5 LOC classification: QB495-500.269Online resources: Click here to access online
Contents:
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.
In: Springer eBooksSummary: 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.
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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.

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.

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