Title:
Optimal Deployment Strategies for Cislunar PNT+C Architectures
Optimal Deployment Strategies for Cislunar PNT+C Architectures
Author(s)
Gabhart, Austin
Drosendahl, Madilyn
Robertson, Bradford E.
Steffens, Michael J.
Mavris, Dimitri N.
Drosendahl, Madilyn
Robertson, Bradford E.
Steffens, Michael J.
Mavris, Dimitri N.
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Abstract
Cislunar operations are expected to rise dramatically within the next decade, requiring a
comparable increase in PNT and communications services. However, current PNT systems
are at capacity and need to be augmented to serve a cislunar space domain, specifically in the
form of novel cislunar PNT architectures. This paper studies the problem of the deployment of
PNT and communications satellites, specifically, the problem of deployment strategies spanning
multiple stages over extended periods of time. A set of stage definitions will be determined along
with areas of potential user activity. A novel application of the hidden gene genetic algorithm to
the constellation optimization problem is presented. A design space exploration is presented
with comparisons of circular and elliptical constellations. Optimization results from the first
stage are also provided. It is shown that acceptable performance can be achieved with a low
number of deployed satellites and that strong trade-offs exist between performance and stability.
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Date Issued
2024-01
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Text
Resource Subtype
Post-print