In 2026, astronomer Samantha Lawler and two colleagues modelled SpaceX’s proposal for one million orbital AI data-centre satellites and found that, if they are launched with the assumed sizes and refl
Astronomers have modeled the potential visual impact of SpaceX's proposed one-million-satellite orbital data-center network. The study suggests that if deployed as planned, these satellites could significantly outnumber natural stars and create dense, bright arcs across the night sky.
Why it matters
This highlights the growing tension between rapid commercial space expansion and the preservation of the night sky for astronomical research and public enjoyment.
A 2026 preprint models SpaceX’s filed million-satellite orbital data-centre system and finds that its assumed 800 m² spacecraft could dominate the naked-eye sky at many times.
A million satellites is difficult to picture as an orbital system. Aaron Boley, Samantha Lawler and Hanno Rein tried a more immediate translation: what would a person standing on Earth actually see if SpaceX deployed the orbital AI data-centre network described in its 2026 regulatory filings?
The answer in their simulation is not a uniformly bright sky. It is stranger and more structured. Dense arcs and broad fields of sunlit spacecraft would sweep through twilight and parts of the night. At some places and times, satellites visible to the unaided eye would outnumber the natural stars.
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