Cassius
From Tardis Wiki, the free Doctor Who reference
Cassius was the tenth planet in the Sol system, discovered in 1994, (PROSE: Iceberg) humans having generally thought of Pluto as being the furthest planet from the Sun (TV: The Sun Makers) or a dwarf planet. (AUDIO: The Anachronauts)
The Battle of Cassius was fought against the Daleks near the planet. (PROSE: Love and War)
