Eqn. A2

Six Degrees of Freedom Equations for Space Shuttle Reentry

rc  = Distance from center of

Earth to vehicle C.G. (Ft.)

Q  = Geodetic Longitude.

F  = Geodetic Latitude.

Vr = The Earth's relative

velocity. (Ft./Sec.)

g  = Flight path

angle. (Deg.)

Y  = Velocity Azimuth

angle. (Deg.)

w  = Earth's rotation

rate. (Deg./Sec.)

s  = Vehicle bank

angle. (Deg.)