Sequences of transits usually repeat every 243 years . After this period of time Venus and Earth have returned to very nearly the same point in their respective orbits . During the Earth 's 243 sidereal orbital periods , which total 88757 @.@ 3 days , Venus complete 395 sidereal orbital periods of 224 @.@ 701 days each , equal to 88756 @.@ 9 Earth days . This period of time corresponds to 152 synodic periods of Venus .