Relating Collision Probability Miss Distance Indicators in Spacecraft Formation Collision Risk Analysis

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AAS20-528.pdf (7.14 MB)
Author(s)
Núñez Garzón, Ulises E.
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Daniel Guggenheim School of Aerospace Engineering
The Daniel Guggenheim School of Aeronautics was established in 1931, with a name change in 1962 to the School of Aerospace Engineering
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https://hdl.handle.net/1853/74902
Abstract
Active spacecraft formation flying collision avoidance schemes monitor collision risk through indicators such as miss distance and collision probability. This paper compares collision probability measures based on planar projections to their three-dimensional counterparts. In this analysis, it is found that the former overestimate the latter. Additionally, this work compares the consistency of risk assessments based on miss distance and collision probability. Certain statistics of relative position are well suited for collision risk assessments because their local minima and collision probability local maxima are anticorrelated, and vice versa. These results help connecting both types of indicators into a cohesive framework.
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2020-08
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