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An Orbital House of Cards: Frequent Megaconstellation Close Conjunctions

2 days ago
https://arxiv.org/abs/2512.09643
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  • #satellite constellations
  • #astrophysics
  • #space debris
  • The number of objects in orbit is rapidly increasing due to megaconstellations.
  • Megaconstellations pose challenges like space debris, collisions, and environmental impacts.
  • A new metric, the CRASH Clock, measures stress on the orbital environment.
  • The CRASH Clock is currently 2.8 days, indicating high risk of catastrophic collision.
  • In 2018, before megaconstellations, the CRASH Clock was 121 days.
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