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 Mars 1.9 Earth years to orbit around the Sun.
56 days
About three months.
29 days
it take Triton about 6 days to orbit Neptune
Not too long.
One orbit around the Sun is what determines what one year is. Your answer is, "one year".
it take a year which is 365 days
Mercury has no moons.
87.9691 Earth days.