Glossary
Space Trajectories. Atmospheric reentry

Incidence; angle of attack

Angle between roll axis and speed.

Gîte; bank angle

Angle between lift and local vertical plane.

Coefficient balistique; ballistic coefficient

Ratio of drag to mass.

Finesse; lift to drag ratio

Ratio of lift to drag.

Reach; downrange

Distance travelled in the direction of the initial plane of the trajectory.

Offset; crossrange

Distance traveled in the direction transverse to the initial plane of the trajectory.