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Definition

Measure of Effectiveness

MOE

A mission-level metric expressing how well a system meets stakeholder needs under operational conditions. MOEs are stakeholder-facing and typically translate into multiple Measures of Performance (MOPs).

Related terms

Margin

The difference between a resource allocation and the current best estimate. Positive margin means the design has room. M...

Mass Budget

A comprehensive accounting of the mass of every component, subsystem, and the total spacecraft. Includes dry mass, wet m...

Medium Earth OrbitMEO

An orbit with altitude between LEO and GEO, typically 2,000 to 35,786 km. GPS and navigation constellations operate in M...

Mission Assurance

Systematic activities ensuring a mission meets its requirements with acceptable risk. Covers reliability engineering, qu...

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