Retrograde Predominance of Small Saturnian Moons Reiterates a Recent Retrograde Collisional Disruption
Edward Ashton et al 2025 Planet. Sci. J. 6 283
Sixty-four new irregular moons of Saturn have been discovered, and analysis of all 122 irregular moons supports the theory that the Mundilfari subgroup was formed by a collision less than 100 million years ago.