In astrodynamics or celestial dynamics orbital state vectors (sometimes state vectors) are cartesian vectors of position and velocity that together with their time (epoch) uniquely determine the trajectory of a body in space.
Read more about Orbital State Vectors: Frame of Reference, Position Vector
Famous quotes containing the word state:
“But one day he met a man who was a whole lot badder,
And now he’s dead, and we ain’t none the sadder.”
—Administration in the State of Texa, U.S. public relief program (1935-1943)