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Definition

Revisit Time

The time interval between consecutive opportunities for a satellite to observe the same ground location. Key performance parameter for Earth observation constellations.

Related terms

Preliminary Design ReviewPDR

A phase gate review that evaluates the preliminary design to confirm it meets requirements and the design approach is fe...

Requirements Traceability MatrixRTM

A document or tool that maps each requirement to its source (upstream traceability) and its verification method (downstr...

Risk Matrix

A grid plotting risk likelihood against consequence severity. Used to categorize and prioritize program risks. Typically...

Risk Register

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

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