Tyrellian Sector

Political Powers

United Federation of Planets Klingon Empire Romulan Republic Romulan Star Empire
Notable Individuals
Tyrellian Commonwealth Federation and Starfleet Klingon Empire Romulan Star Empire Romulan Republic All Others
Planetary Systems
Federation Territory Tyrellian system Klingon Empire Territory Romulan Republic Territory Romulan Star Empire Territory
Starfleet Presence
USS Gorkon Tyrellian Defence and Exploration Taskforce

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"Be extremely subtle, even to the point of formlessness. Be extremely mysterious, even to the point of soundlessness. Thereby you can be the director of the opponent's fate."

Sun Tzu

Star chart of the Tyrellian Sector and surrounding area.

Locations

Regions

Ma no Umi: A region of space sandwiched between and extending into Federation and Klingon space, notable for the extensive gravitational anomalies and plasma fields that populate the area. It is a pirate haven, and a known refuge of the Orion Syndicate.
The Roman Expanse: Technically not inside the sector, but just outside its borders, the Roman Expanse is a notoriously dangerous nebula. Due to its constantly shifting internal structure, it is known to be impossible to map, difficult to navigate, and filled with plasma storms, electrokinetic storms and electrodynamic turbulence.

Federation Star Systems

Tyrellian system: The home system of the Tyrellian species and the administrative headquarters for the sector.
Deluvia system: A Federation colony, located a few days (at cruising warp) from Starbase 123. A popular destination for tourists, it is also a leading research hub for ocean sciences, and Starfleet Medical has established a well-regarded hospital that specialises in trauma and rehabilitation.
Leutra System: A relatively unexplored star system with a powerful magnetar at its heart. Though the system should be hostile to life, the fourth planet is M-class and of a temperate climate, and there are extensive underground ruins maintained by a mysterious network that uses biomechanical spiders as servitors.
Suva System: A system with no habitable planets. The USS Shavar discovered an Orion Syndicate base operating out of the asteroid belt.

Romulan Republic Star Systems

Sikuna System: A system of six planets orbiting a unary main sequence star. An inhabited planet, Sikuna, is a colony world of the Romulan Republic with an established science outpost (with a Verteron Array) on one southern continent.
Ietai system: A unary, main sequence system containing the mining colony Væron.