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:
“Thou knowest in the state of innocency Adam fell, and what
should poor Jack Falstaff do in the days in villainy?”
—William Shakespeare (1564–1616)