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Design and Performance of an Open-Source Star Tracker Algorithm on Commercial Off-the-Shelf Cameras and ComputersRecent frustration in finding low size, weight, power (SWaP), cost, and lead time star trackers has driven an internal research and development effort at Johnson Space Center (JSC) in partnership with Rensselaer Polytechnic Institute (RPI) to develop and demonstrate a commercial off-the-shelf (COTS) camera and COTS computer-based star tracker system. A set of open-source algorithms has been developed and their function demonstrated on multiple low-cost COTS single board computers (SBCs) across a variety of operating systems and COTS cameras. The goal of this effort is to release the software and setup guide to the community in order to reduce spacecraft development costs while increasing their capability (perhaps most of interest to low-cost missions like CubeSats). This material will show the high level architecture of the system, detail the algo-rithm, various tested configurations, and results. Forward work and applications will also be discussed.
Document ID
20200001394
Acquisition Source
Johnson Space Center
Document Type
Presentation
Authors
Pedrotty, Samuel
(NASA Johnson Space Center Houston, TX, United States)
Lovelace, Ronney
(NASA Johnson Space Center Houston, TX, United States)
Christian, John
(Rensselaer Polytechnic Inst. Troy, NY, United States)
Renshaw, Devin
(Rensselaer Polytechnic Inst. Troy, NY, United States)
Quintero, Grace
(Rensselaer Polytechnic Inst. Troy, NY, United States)
Date Acquired
March 4, 2020
Publication Date
January 31, 2020
Subject Category
Spacecraft Instrumentation And Astrionics
Report/Patent Number
JSC-E-DAA-TN77597
Meeting Information
Meeting: Annual AAS Guidance, Navigation and Control Conference
Location: Breckenridge, CO
Country: United States
Start Date: January 30, 2020
End Date: February 5, 2020
Sponsors: American Astronomical Society
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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