How many moons does jupiter have?
Four major moons,and sixty three minor moons, all detected when the voyager probe passed the plant.
i think jupiter has 7 moons
More and more keep being discovered, but the current count is around 67.
Around 68 moons have been discovered, but more are being found.
67 known moons..the total keeps increasing as technology advances.
Jupiter has 67 confirmed moons:http://www.wikipedia.org/wiki/Moons_of_Jupiter
Helix says 67. Answer is 67.