prograde motion

prograde motion

(proh -grayd) Direct motion as opposed to retrograde motion.

prograde motion

[¦prō′grād ′mō·shən]
(astronomy)
The apparent motion of a planet around the sun in the direction of the sun's rotation.
References in periodicals archive ?
By the middle of March 710, both planets had reached the second stationary points and resumed prograde motion.