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NASA Finds Solar Storms Accelerating Starlink Satellite Re-Entries

Intensified drag from solar storms heightens the threat of satellite debris surviving re-entry.

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Overview

  • A NASA Goddard Space Flight Center study shows that geomagnetic storms during Solar Cycle 25 boost atmospheric drag, causing satellites below 300 km to deorbit about 10 days earlier than expected.
  • SpaceX operates over 7,000 Starlink satellites in low Earth orbit and holds approval to expand the constellation to as many as 30,000.
  • Faster re-entries have already led to uncontrolled debris incidents, including the 2022 loss of 49 satellites over the Caribbean and a fragment found in Saskatchewan in 2024.
  • Researchers warn that more rapid deorbits could heighten collision risks for assets such as the International Space Station and worsen orbital congestion.
  • Regulators including the FCC and FAA are under growing pressure to require controlled re-entry systems and strengthen guidelines for megaconstellation launches.