It's not quite seven, but there are six planets in our solar system that have natural satellites (also known as moons):

1. Earth (1 moon)

2. Mars (2 moons)

3. Jupiter (79 moons)

4. Saturn (82 moons)

5. Uranus (27 moons)

6. Neptune (14 moons)

While Mercury and Venus do not have any natural satellites, they are still considered planets.