What is the orbit? Define

A circular or elliptical path followed by one body as it revolves around another body.
A circular or elliptical path followed by one body as it revolves around another body.

The force that directly opposes the weight of an aircraft and holds the aircraft in the air. In a rocket, lift and thrust are in the same direction.
The force that directly opposes the weight of an aircraft and holds the aircraft in the air. In a rocket, lift and thrust are in the same direction.

Resistance of air against the forward movement of an airplane or rocket.
Resistance of air against the forward movement of an airplane or rocket.

The path of an object moving through space.