Simulation work published in 2005 by Robin Canup suggested that Charon could have been formed by a collision around 4.5 billion years ago, much like Earth and the Moon.
Nun traballo de simulación publicado en 2005, Robin Canup suxire que Caronte puido formarse por un impacto xigantesco hai arredor de 4500 millóns de anos, de maneira similar que a Terra e a Lúa.