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Intelligent Lifeform Index

Four Letter Code CORI
Federation Status Member
Planet of Origin Coridan III
Encountered ENT: Shadows of P'Jem
T/E Rating T0/E0
Current Tech Level
List of Named Coridanites

Full ILI GalleryPermitted Species Gallery

The Coridanites are a humanoid species located in the Alpha Quadrant.

Home System

  • Quadrant: Alpha
  • Location: Orion Sector
  • Proper Name: 54 Orionis[1]
  • Star: Red dwarf
  • Distance from Star:
  • Companions: At least 4
  • Moons:

Home World

  • Proper Name: Coridan III
    • Other names: Coridan, Coridan Prime, Desotriana
  • Diameter: 15,600 kilometers
  • Gravity: 1.2
  • Axial Tilt:
  • Orbital Period:
  • Rotational Period: 25 hours
  • Classification:
  • Surface Water:
  • Atmosphere:
  • Climate:
  • Terrain:
  • Population: 100 million[2]

Coridan III is considered one of the more dilithium-rich planets in the Alpha Quadrant.


In 2151, the Coridanites were embroiled in an internal conflict between the government, backed by the Vulcan High Command, and rebel forces, secretly supported by the Andorian Empire. The Vulcan agenda was to keep the planet's chancellorship stable while the Tau Ceti Accords prohibited any Andorian presence on the planet, which in turn assured Coridan's dilithium exports to Vulcan.

In 2155, Coridan took part in talks on Earth to form a Coalition of Planets. Here, the Coridanites rejected the Tellarite proposal of a trade embargo against the Orion Syndicate. The Coridan representative emphasized his people's long-standing trade relations with the Orions and claimed that the accusation of Orions attacking Tellarite freighters was slander.

The Babel Conference in 2268 was to consider whether to allow Coridanites admission into the United Federation of Planets. Coridan was considered underpopulated at that time, making the planet susceptible to illegal mining operations by the Orions. Federation membership would provide the planet with protection under interstellar law. Mining operations were maintained there by the Orions and Tellarites, among others, a concern that led some to think they should be denied Federation membership. Despite the Orion Syndicate making an initial attempt to sabotage the Babel Conference, Ambassador Sarek of Vulcan spoke in favor of admittance and was given credit for passage of the measure. Coridan joined the Federation that same year.

In 2374, during the Dominion War, Coridan's dilithium mines were attacked by the Jem'Hadar, as they made the planet a strategically important target.


Coridan III is governed by the People's Republic of Cordian, operated by a Ruling Assembly.


Most Coridanites are humanoids with facial patterns that form the impression of large scales. A few are bald and have much more extensive scalation.


Coridanite blood is blue.








In the 22nd century, the People's Republic of Coridan was one of the leading space powers of known space, possessing the largest known dilithium deposits in the area that later became the Federation core worlds. The Coridanites were rumoured to even be capable of reaching speeds as high as Warp 7, though they tightly controlled their exports of such technology[3]


Starfleet Intelligence Files


  1. 54 Orionis, Memory Beta
  2. Coridon III, Memory Beta
  3. People's Republic of Coridan, Memory Beta
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