Co-Orbital Debris as a Source of Small Impactors and Albedo Features on Tethys
Air Force Maui Optical and Supercomputing Kihei
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Ejecta fragments from cratering on Tethys coorbital Trojan moons result in impacts onto Tethys that are unusual in terms of size distribution, impact velocity, and location. We find that crater ejecta escaping from L4 Telesto or L5 Calypso can explain two major features of Tethys geologic record the lens-shaped albedo feature on the far side and the overall surplus of 1-20 km diameter impact craters. Further analysis of these connections can help tie together our understanding of Saturnian system dynamical evolution and chronometry.