Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 8 of 8 for “"binary asteroid"”.
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Rotational lightcurve analysis of binary Asteroid (22) Kalliope/Linus
Binary asteroids have been insightful to scientists in recent years in their quest to better understand the Solar System in its early stage. Observing a mutual event between a primary and its moon can yield the sizes of the objects in units of the semi-major axis a. When the linear dimensions of …
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Orbit control for a spacecraft around a splitting contact binary asteroid
… problem for a spacecraft around a contact binary asteroid considering the dynamics of both the spacecraft and the asteroid itself. It is known that approximately 15\% of the near-Earth asteroids are binary, and among these the fraction of contact binaries is between 6 and 10%. Most contact …
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Spacecraft trajectory tracking and parameter estimation in the presence of a splitting contact binary asteroid
Increasing interest in asteroid mining and in-situ resource utilization will lead to an increase in asteroid surface operations. The composition of asteroids is often unknown and potentially unstable, many of which are bound together predominantly by gravitational forces. Surface operations such as …
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Low thrust augmented periodic orbits in the two- and three-body problems
… which horseshoe orbits can occur. In the 243 Ida binary asteroid system, it is found that acceleration directed towards the two primaries results in Lyapunov-stable L4 and L5 points, permitting horseshoe orbits. In the 243 Ida system, a strategy is then proposed for finding periodic horseshoe …
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Modeling and Characterization of Structural, Thermophysical, and Dynamical Evolutions of Small Bodies in the Solar System
… of small bodies in the solar system––such as asteroids and comets––offer unique opportunities to study the remnants of the early solar system. These small bodies often challenge our expectations, revealing surprising findings that raise questions about planetary formation, evolution, and even …
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Studies into the rotational history of the minor planets
… and formation, the classification of asteroids is critically assessed and a new scheme based on the spectral characteristics is formulated using numerical taxonomy. It is noted that the asteroids within the basic S-type of other taxonomies can be distributed as two separate zones. the …
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Design and modeling of kinetic impact missions for deflecting near-earth asteroids
The solar system is full of small bodies such as asteroids and comets that are thought to be remnants of early planetary formation. As of June 2025, there are more than 1.4 million known small bodies in the solar system, more than 4,000 of which are classified as comets. These objects routinely …
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High-Fidelity Gravity Modeling Applied to Spacecraft Trajectories and Lunar Interior Analysis
As the complexity and boldness of emerging mission proposals increase, and with the rapid evolution of the available computational capabilities, high-accuracy and high-resolution gravity models and the tools to exploit such models are increasingly attractive within the context of spaceflight …