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:
“No man’s nature is able to know what is best for the social state of man; or, knowing, always able to do what is best.”
—Plato (c. 427–347 B.C.)