There is a planet in the Solar System.
Jupiter is the fifth planet from the Sun and the largest in the Solar System . Solar System . is the gravitationally bound system comprising the Sun and the objects that orbit it , either directly or indirectly.The natural satellites ( moons ) orbiting the Solar System 's planets are an example of the latter . Of the objects that orbit the Sun indirectly , the moons , two are larger than the smallest planet , Mercury.The two moons larger than Mercury are Ganymede , which orbits Jupiter , and Titan , which orbits Saturn . The vast majority of the system 's mass is in the Sun , with the majority of the remaining mass contained in Jupiter .