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:
“What satire on government can equal the severity of censure conveyed in the word politic, which now for the ages has signified cunning, intimating that the state is a trick?”
—Ralph Waldo Emerson (1803–1882)