A Sky Brightness Model for the Starlink 'Visorsat' Spacecraft

Richard E Cole

A Sky Brightness Model for the Starlink 'Visorsat' Spacecraft

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arxiv 2107.06026 v1 pith:6CU2XRMG submitted 2021-07-13 astro-ph.IM

Richard E Cole This is my paper · ORCID

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keywords visorsatmodelspacecraftanalysisbrightnessobservationspublishedstarlink

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A model of the brightness of the visorsat Starlink spacecraft is presented based on published information on the engineering design and from analysis of 131 observations of individual visorsats in late 2020. Comments are offered on the implications of this model on the visibility of visorsat spacecraft across the sky. This is an updated and expanded version of analysis published in Research Notes of the AAS (2020). An additional section has been added in this version to consider observations made in June 2021 which indicate brighter visorsat magnitudes.

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Characterization of Starlink Direct-to-Cell Satellites In Brightness Mitigation Mode
astro-ph.IM 2025-02 conditional novelty 6.0 of 10

Starlink Direct-to-Cell satellites in brightness mitigation mode have a mean apparent magnitude of 5.16 and remain about twice as bright as Starlink internet satellites at the same distance.

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