But they aren't disintegrating, and it's nothing permanent. No, it's a quirk of Saturn's orbit, which takes 29.5 years to circle the sun, and how the planet is tilted on its axis, per the website.
Saturn has the most moons of any planet in the Solar System. Thousands of moonlets, perhaps tens of meters long, orbit in a chaotic dance with the gas giant's true moons; the largest of its moons ...