the minimum velocity at which a body must move to maintain a given orbit. Cf. circular velocity.
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orbital velocity,
1. the velocity at which a body, as a satellite, revolves about another body: ยป
Orbital velocity is 18,000 miles per hour (24,200 feet per second) for a circular orbit at 300 miles altitude (U.S. Air Force Report on the Ballistic Missile).
2. the velocity a body must achieve and maintain to go into or remain in orbit; circular velocity.
Useful english dictionary. 2012.