prograde
/ˈproʊɡreɪd/
adjective
- Moving or rotating in the same direction as the main body's rotation, especially in astronomy.
- Most planets in our solar system have prograde orbits around the Sun.
- The satellite was launched into a prograde orbit to match Earth's rotation.
- Astronomers observed a prograde motion of the asteroid relative to the stars.
Antonyms
adverb
- In a direction that is the same as the main rotation or forward motion.
- Engineers adjusted the probe's path to go prograde and conserve fuel.
- The moon moves prograde around its planet, just like most natural satellites.
- The spacecraft traveled prograde to gain speed from the planet's gravity.