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Definition

Lambert's Problem

The orbital mechanics problem of finding the trajectory between two specified position vectors in a specified time of flight. Foundation of rendezvous and interplanetary trajectory design.

Related terms

Link Budget

A detailed accounting of all gains and losses in a communications link from transmitter to receiver. Includes transmit p...

Low Earth OrbitLEO

An orbit with an altitude between roughly 200 km and 2,000 km. LEO offers lower latency, higher resolution imaging, and ...

Argument of Periapsis

The angle from the ascending node to the periapsis of the orbit, measured in the orbital plane in the direction of motio...

Hohmann Transfer

A two-burn elliptical transfer between two coplanar circular orbits. The most propellant-efficient way to move between t...

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