Definitions for "Orbital period"
The interval in time between successive passages (orbits) of a satellite through a reference plane.
The time it takes for an object to complete one orbit.
The time taken by an orbiting body to complete one orbit.
Keywords:  moon, duration, instance, sun, earth
The duration of one orbit. For instance, Earth's orbital period around the Sun is one year, and the Moon orbits Earth in 27.3 days.