Osma A 🇫🇮🇺🇦 @osma@mas.to
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"Across all low-Earth orbit mega-constellations, a "close approach," defined as two satellites passing by each at less than 1km separation, occurs every 22 seconds."

That is, one incident away from a chain collision event every 22 seconds.
phys.org/news/2025-12-days-dis

2.8 days to disaster: Why we are running out of time in low earth orbit

A "House of Cards" is a wonderful English phrase that it seems is now primarily associated with a Netflix political drama. However, its original meaning is of a system that is fundamentally unstable. It's also the term Sarah Thiele, originally a Ph.D. student at the University of British Columbia, and now at Princeton, and her co-authors used to describe our current satellite mega-constellation system in a new paper available in pre-print on arXiv.

phys.org

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