Planet 14

Planet 14 (or Sol XIV) was the fourteenth planet from the Sun (Sol), and was inhabited by the CyberFaction (NA:  Iceberg ).

It was suggested that Marinus and Planet 14 might have been the same planet (DWM: The World Shapers)

Astronomical Data
Planet 14 was a member of the Sol System, which resided in the Third Quadrant of the Mutter's Spiral. This location was approximately 27,000 light years from the center of the Mutter's Spiral (DW:  Logopolis).

Native Species
The known resident of Planet 14 was the CyberFaction subgroup of the Cyberman species (DW: The Invasion).

History
The Cyberman species emigrated to Planet 14 from Mondas, where they evolved separately from the CyberMondasians who remained on Mondas (NA: Iceberg).

This faction of the Cybermen attempted an invasion of 1970's Earth from here, making use of the Earth company International Electromatics (DW: The Invasion).