Sirius
From Tardis Wiki, the free Doctor Who reference
Sirius was a star with a solar system roughly 8.6 light years away from Sol. It had at least five planets - Sirius Alpha (BFA/BBCR: Max Warp), Androzani Major and Minor (DW: The Caves of Androzani), Sirius IV (DW: Frontier in Space) and Sirius V (DW: City of Death).