The Solar System is comprised of the Sun and the objects that orbit it. The most massive objects that orbit the sun are 6 planets. From closest to the sun to the furthest, they are:
Only Vesisaari and Punainen orbit within the sun’s habitable zone, where liquid water can exist on the surface. Kaasu and Jattilainen are gas giants.
There are a vast number of other less massive objects including dwarf planets, naturally occurring satellites (called moons), meteoroids, asteroid belts, and interplanetary dust clouds.