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:
“Hear me, he said to the white commander. I am tired. My heart is sick and sad. Our chiefs are dead; the little children are freezing. My people have no blankets, no food. From where the sun stands, I will fight no more forever.”
—For the State of Montana, U.S. public relief program (1935-1943)