Science Fiction · Bungie Systems

Bungie: Tau Ceti

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The Tau Ceti system is the site of humanity's first interstellar colony, New Cascadia, as portrayed in Bungie's Marathon series.

This visualization features the UESC Marathon—a hollowed-out moon converted into a generation ship—orbiting the temperate super-Earth of Tau Ceti IV. The system represents the hope of human expansion and the onset of a mysterious artificial intelligence crisis.

Celestial Bodies (6)

Tau Ceti
star · system center · 1,100,000 km diameter

A G-type main-sequence star located nearly 12 light-years away from Earth.

Tau Ceti I
planet · orbits Tau Ceti · 30,000,000 km · 4,800 km diameter

A scorched inner world.

Tau Ceti II
planet · orbits Tau Ceti · 65,000,000 km · 7,200 km diameter

A barren, heavily cratered rock.

Tau Ceti III
planet · orbits Tau Ceti · 105,000,000 km · 9,400 km diameter

A toxic, high-pressure terrestrial planet.

Tau Ceti IV
planet · orbits Tau Ceti · 155,000,000 km · 14,800 km diameter

Humanity's first garden world under a foreign sun. As the seat of the New Cascadia colony, its lush jungles and humid air promised a second chance for Earth's children, far from the choking smog of Sol.

UESC Marathon
station · orbits Tau Ceti IV · 50,000 km · 15 km diameter

A massive, hollowed-out Martian moon (Deimos) converted into a colossal generation ship. It established the colony in 2787.