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Definition

Sun-Synchronous Orbit

SSO

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

Related terms

Risk Register

A structured list of identified program risks with likelihood scores, consequence scores, mitigation plans, owners, and ...

Space Mission Analysis and DesignSMAD

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

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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