* Moons: Saturn has the most moons in our solar system with 82 confirmed moons. While 18 moons isn't unheard of, it's not a common number for planets.
* Rings: Saturn is known for its spectacular ring system, but even it only has a few main rings. No planet in our solar system has been observed to have 7 distinct rings.
While we haven't discovered any planets with this exact combination of moons and rings, the universe is incredibly vast and full of surprises. It's possible that such a planet exists, but it hasn't been discovered yet.
Let me know if you'd like to learn more about the moons and rings of planets in our solar system!