Virgo is a constellation made up of stars of varying distances from our solar system. All of them many light years away.
It does not orbit the sun.
A long time.
The sun does not orbit itself!
It takes one year for the earth to orbit around the sun
It takes Mars 1.9 Earth years to orbit around the Sun.
56 days
About three months.
29 days
One orbit around the Sun is what determines what one year is. Your answer is, "one year".
it take Triton about 6 days to orbit Neptune
it take a year which is 365 days
87.9691 Earth days.
164.8 Earth years