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Note: X and Y are coordinates (light years on XY plane) relative to Terra at (0, 0)
Corridan neighbouring systems
|X:Y Coordinates||-38.014 : 121.453[e]|
- 1 Corridan
- 2 Corridan IV
| Jump point
|Atmospheric pressure||Standard (Breathable)|
|Highest native life||Mammals|
Corridan IV is the fourth planet in the system and has a single moon named Muse.
Corridan IV was a keenly-sought colony world. The ecosystem was perfect for humans and their crops, with one small exception: The water supply was filled with lethal levels of heavy metals and a bacteria that would make every living plant or animal on the world toxic to humans. To prevent the colony from failing, the first colonists relied on imported water delivered by the Ice Ships of the Ryan Cartel.
After studying the problem for years, a part-time chemical engineer named Gabriel Tal developed a unique fusion filtration system that could economically clean Corridan's water. 95% of all the toxins were removed via this process. Tal kept the process a secret and used it to form Water Pure Industries. This company grew to be the largest of the five Lyran water and air filtration systems manufacturers. Water Pure Industries traded publicly, but the company remained mostly in the hands of the Tal family throughout its history, with the company expanding through the addition of manufacturing sites on both Freedom and Ryde and distribution outlets on a dozen worlds dotted throughout the Federation of Skye. Though destroyed and damaged repeatedly during the Succession Wars, the company has always recovered and even thrived after being attacked - even though the main Corridan manufacturing plant was destroyed for the sixth time during the Jihad.
By the time Corridan was ceded to the Republic of the Sphere, the scars from many raids covered the world. The citizens of Corridan undertook a massive beautification program, and these scars were erased. Combined with the fact that most of the population lives in large cities on Feyrun and Cederban, by the thirty-second century Corridan was once more a beautiful world.
The world's major export in the thirty-second century was still filtration systems, but Corridan was also a noted exporter of agricultural produce and products from the many ranches on the world. Particular exports include certain native fruits and vegetables and meat from the Corridani grazer, a dim-witted creature that was approximately one and a half times the size of a Terran buffalo and which produced meat that strongly resembled beef.
- 2341 - No record 
- 2571 - No record 
- 2596 - No record 
- 2750 - Lyran Commonwealth 
- 2765 - Lyran Commonwealth 
- 2822 - Lyran Commonwealth 
- 2864 - Lyran Commonwealth 
- 3025 - Lyran Commonwealth 
- 3030 - Lyran Commonwealth 
- 3040 - Federated Commonwealth 
- 3050 - Federated Commonwealth 
- 3052 - Federated Commonwealth 
- 3057 - Lyran Alliance 
- 3063 - Lyran Alliance 
- 3067 - Lyran Alliance 
- 3075 - Lyran Alliance 
- 3079 - Lyran Alliance 
- 3081 - Republic of the Sphere 
- 3085 - Republic of the Sphere 
- 3130 - Republic of the Sphere 
- 3135 - Independent World 
- 3145 - Clan Jade Falcon 
- Twelfth Star Guards
- Second Regiment
Corridan has a three major continents named Alorran, Cederban and Fayrun; Fayrun lies in the northern hemisphere, while Alorran and Cederban are located in the southern hemisphere.
- New Austin: the planetary capital city and base of operations for Corridani Forward, the largest shipping concern on the planet. Corridani Forward also operates a private starport located in or near New Austin.
- Rio Grande: largest city on Corridan IV; located seventy kilometers south of New Austin and the base of operations for Water Pure Industries.
| Systems within 60 light-years (distance in light years)|
Closest systems first:
|Yed Prior||24.2||Kannon||26.3||Symington||26.4||New Wessex||26.8|
|Fatima||54.7||Kaus Borealis||55.4||Leganes||55.6||Port Moseby||56.7|
|Dromini VI||57.9||Kaus Australis||57.9||Tsukude||58.2||Edasich||58.4|
- Dark Age: Republic Worlds (3130), p. 208, "Corridan IV World Profile"
- Era Report: 3145, p. 39, "Inner Sphere Map - "
- Field Manual: 3145, p. VI, "Inner Sphere - 3145"
- Historical: Reunification War, p. 159, "Inner Sphere Map "
- Era Report: 2750, p. 37, "Inner Sphere - 2750"
- Handbook: House Steiner, p. 13, "Lyran Commonwealth at their Founding  Map"
- Handbook: House Steiner, p. 25, "Lyran Commonwealth after Age of War  Map"
- Historical: Liberation of Terra Volume 1, p. 11, "Inner Sphere - 2765"
- Handbook: House Steiner, p. 36, "Lyran Commonwealth after First Succession War  Map"
- Historical: Liberation of Terra Volume 2, p. 122-123, "Inner Sphere - 2822"
- Handbook: House Steiner, p. 40, "Lyran Commonwealth after Second Succession War  Map"
- Handbook: House Steiner, p. 47, "Lyran Commonwealth after Third Succession War  Map"
- House Kurita (The Draconis Combine), p. 132, "District and Prefecture Boundaries of Kurita Space"
- Handbook: House Steiner, p. 56, "Lyran Commonwealth after Fourth Succession War  Map"
- Handbook: House Steiner, p. 59, "Lyran Commonwealth after War of 3039  Map"
- Historical: War of 3039, p. 133, "Inner Sphere - 3040"
- Era Report: 3052, p. 11, "Inner Sphere Map "
- Handbook: House Steiner, p. 61, "Lyran Commonwealth after Clan Invasion  Map"
- Era Report: 3052, p. 23, "Inner Sphere Map "
- Era Report: 3062, p. 11, "Inner Sphere Map "
- Era Report: 3062, p. 29, "Inner Sphere Map "
- Handbook: House Steiner, p. 70, "Lyran Alliance after FedCom Civil War  Map"
- Jihad: Final Reckoning, p. 43, "Inner Sphere Map - [October 3067]"
- Jihad Secrets: The Blake Documents, p. 65, "Inner Sphere  Map"
- Field Report: LAAF, p. 25, "Lyran Commonwealth Deployment Map "
- Jihad: Final Reckoning, p. 63, "Inner Sphere Map - [March 3081]"
- Field Manual: 3085, p. 127, "Inner Sphere Map - [October 3085]"
- Map of the Inner Sphere 3130
- Era Report: 3145, p. 11, "Inner Sphere Map - "
- NAIS The Fourth Succession War Military Atlas Volume 1, p.45, "Operation GÖTTERDÄMMERUNG"
- Dark Age: Republic Worlds (3130)
- Era Report: 2750
- Era Report: 3052
- Era Report: 3062
- Era Report: 3145
- Field Manual: 3085
- Field Manual: 3145
- Field Report: LAAF
- Handbook: House Steiner
- Historical: Liberation of Terra Volume 1
- Historical: Liberation of Terra Volume 2
- Historical: Reunification War
- Historical: War of 3039
- House Kurita (The Draconis Combine)
- Jihad: Final Reckoning
- Jihad Secrets: The Blake Documents
- Map of the Inner Sphere 3130
- NAIS The Fourth Succession War Military Atlas Volume 1