The time-span of each planet’s orbit differ greatly, Mercury orbits the sun in as little as 87.97 earth years while Neptune takes 164.81 earth years to make a full orbit around the sun. It is safe to say that all the planets have made a complete orbit around the sun at least once every 164.81 years. If you count Pluto (now considered a dwarf planet and takes 247.7 earth years to orbit), then every planet has made an orbit around the sun at least once every 247.7 years.
Here is a list of all the planets’ and the time it takes for them to orbit the sun:
Mercury 87.96 Earth days
Venus 224.68 Earth days
Earth 365.26 Earth days
Mars 686.98 Earth days
Jupiter 11.862 Earth years
Saturn 29.456 Earth years
Uranus 84.07 Earth years
Neptune 164.81 Earth years
Pluto (dwarf planet) 247.7 Earth years
Since the orbit time varies greatly by each planet, some will make a significant amount more orbits than others. For example: by the time Neptune orbits the sun, Saturn has already orbited the sun about 5 times..
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