Sedna was the home planet of the Siccati race. It was located in the Solar System. (PROSE: Sedna) In Steven Taylor's native time period, there was a human city on Sedna. (AUDIO: The First Wave) A song in the 41st century was known as "Just Arrived on Sedna". (PROSE: The Best Joke I Ever Told) Behind the scenes Edit In the real world, Sedna is considered to be a dwarf planet, but has not been referred to as such in-universe. Retrieved from "https://tardis.fandom.com/wiki/Sedna?oldid=2668195" Categories: Planet stubs Planets Sol System planets Planets visited by the Third Doctor Planets from the real world Human colonies + cat Cancel Save Community content is available under CC-BY-SA unless otherwise noted.