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Technical

Kessler Syndrome

A theoretical scenario where debris collisions create more debris in a cascading chain reaction.

Named after NASA scientist Donald Kessler, this scenario drives debris mitigation urgency.

Concept

  • Each collision creates more debris
  • More debris increases collision probability
  • Potential for runaway cascade

Current Status

  • Not yet occurring
  • Some altitude bands at elevated risk
  • Active mitigation essential

Regulatory Response

  • Stricter debris rules (5-year disposal)
  • Active debris removal development
  • Enhanced tracking requirements