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:
“Alas, why would you heap this care on me?
I am unfit for state and majesty.
I do beseech you take it not amiss,
I cannot nor I will not yield to you.”
—William Shakespeare (1564–1616)