prograde orbit

prograde orbit

[¦prō′grād ′ȯr·bət]
(astronomy)
Orbital motion in the usual direction of celestial bodies within a given system; specifically, of a satellite, motion in the direction of rotation of the primary. Also known as prograde motion.
References in periodicals archive ?
Table 1: Calculated period P (in hours) and predicted speed-change for prograde orbits [delta][v.