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Definition

State of Health

SOH

The set of telemetry parameters that characterize whether a spacecraft is operating within nominal limits. Continuously monitored by mission operations and trended for early warning.

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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