Tau Ceti

Tau Ceti, known to the skae as Ra/ku, is the home system of the skae and their homeworld Ra'na. It is a very important link in the deep space travel network, and a valuable member of the core USSC. The skae have also allowed Prometheans to inhabit Ke'mir, a titanoid world in the system, as part of their interspecies contact treaty established in 12180 UME.

At the center of the system is the G8V-type yellow subdwarf star Ra/ku, the only star in the system. The system orbits a barycenter caused by the presence of Aav'el, a large J-class planet.



The Tau Ceti system is close to the heart of known space, in the southern celestial hemisphere.


Tau Ceti / Ra'ku

  1. Ash’kol (s)
  2. Ev’har (s)
  3. Ki’maa (v)
  4. Hak’ao (d)
  5. Pon’whe* (o)
  6. Ra'naΔ (tr)
  7. Aav’el (j)
  8. Ke’mirπ (ti)
  9. Lan’val (j)
  10. Dao’gar (n)

For more information, visit the Wikipedia page on Tau Ceti.

Fauna & Flora

The Tau Ceti system hosts a single unique genesis group: the Ranagenids.
Alternative Name(s)
Ra/ku System
Star System
Included Locations
Universal Star Catalogue designation
USC 024
Native name
Local Interstellar Cloud, Local Bubble, Orion–Cygnus Arm, Milky Way, Virgo Supercluster
Proximal system
YZ Ceti (1.6 ly)

System Structure

System diameter (farthest orbit)
1.4e+11 km (Dao'gar)
System diameter (helioshock)
2.1e+10 km
System mass
0.9370 Msol

Endemic Bodies

Central star
Tau Ceti / Ra/ku
Stellar type
Known planets
Known dwarf planets
Biotic bodies
Inhabited worlds

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