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Definition

South Atlantic Anomaly

SAA

A region over the South Atlantic where the inner Van Allen radiation belt dips closest to Earth. LEO spacecraft experience significantly elevated radiation flux when crossing the SAA.

Related terms

Space Mission Analysis and DesignSMAD

The standard methodology for spacecraft mission engineering, covering the full lifecycle from concept studies through op...

Sun-Synchronous OrbitSSO

A near-polar LEO orbit where the orbital plane precesses at the same rate as Earth's revolution around the Sun. Provides...

Suspect Link

A traceability link flagged for review because the source or destination requirement has been modified. Suspect links in...

System Requirements ReviewSRR

A phase gate review that evaluates whether the system requirements are complete, consistent, and testable before proceed...

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