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Definition

In-Orbit Test

IOT

A formal performance verification campaign conducted on-orbit after LEOP, confirming that the spacecraft and payload meet specifications before commercial service or science operations begin.

Related terms

Inclination

The angle between the orbital plane and the equatorial plane. Determines the range of latitudes the spacecraft ground tr...

International Traffic in Arms RegulationsITAR

US regulations controlling the export and import of defense-related articles, services, and technical data. Most spacecr...

Inertial Measurement UnitIMU

A package of gyroscopes and accelerometers that measures angular rates and linear accelerations. Used for short-term att...

Interface Control DocumentICD

A document defining the interfaces between two or more subsystems or organizations, including mechanical, electrical, da...

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