Space Sciences

Satellite License Plate: passive and compact optical spectrally-based identification method for satellites

D. L. Bakker, G. C. D. Amaral, et al.

Explore the innovative Satellite License Plate (SLP) method, a cutting-edge cooperative optical identification technique for satellites. This passive and scalable approach promises significant advancements in satellite identification from the ground using laser-enabled optical ground stations. The research conducted by David L. Bakker, Gustavo Castro do Amaral, Eugenio Di Iorio, Linda W. Feenstra, Ivan Ferrario, Breno Perlingeiro, and Fabrizio Silvestri showcases impressive km-range performance through practical testing.... show more

Abstract

Satellite identification and tracking are essential for space traffic management. The paper introduces a cooperative, passive optical identification method called Satellite License Plate (SLP), which uses spectrally encoded retroreflecting tags mounted on satellites. Ground-based optical stations interrogate tags with multi-wavelength lasers; the returned spectrum provides a unique identifier. The tags are passive, compact, minimally invasive, and scalable to hundreds of unique combinations. The study presents an end-to-end theoretical analysis for LEO scenarios and experimental ground-to-ground free-space tests demonstrating feasibility over kilometer-scale paths.

Publisher

Communications Engineering

Published On

Mar 20, 2024

Authors

David L. Bakker, Gustavo Castro do Amaral, Eugenio Di Iorio, Linda W. Feenstra, Ivan Ferrario, Breno Perlingeiro, Fabrizio Silvestri

DOI

https://doi.org/10.1038/s44172-024-00188-2

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