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Note: X and Y are coordinates (light years on XY plane) relative to Terra at (0, 0)

Oberon nearby systems (3151)
(Map Legend)
System Information
X:Y Coordinates -111.419 : 473.251[e]
Spectral class F5III[1]
Recharge station(s) None[1]

The Oberon system was home to at least one habitable world, Oberon VI, and as at 3145 was located in the Periphery region known as The Barrens.[2][3]

System DescriptionEdit

The Oberon system is located near the Blackstone and Sigurd systems[4][5] and consists of a class F5III primary orbited by at least six planets.[1]

System HistoryEdit

Oberon was either settled by the Rim Worlds Republic during the Star League era at some point after the end of the Reunification War or was an already-settled system that became significant enough during this era for Inner Sphere nations to record it's location on maps.[6][4][5]

Political AffiliationEdit

Oberon VIEdit

Oberon VI
System position 6th[1]
Jump point
14.93 days[1]
Highest native life Mammal[1]
Reference Year 3025[1]
Ruler Hendrik Grimm (2885)
Hendrik Grimm III (3025)[1]
Population 43,000[1]
HPG (Representative) B[1] (ComStar Representative: Precentor Damien Hope)[1]

Oberon VI is the sixth planet in the system, and has been the capital world of several small interstellar nations at various points from the late twenty-eighth century onwards.[1]

Planetary HistoryEdit


After it was colonized Oberon VI became a valued member of the Rim Worlds Republic and the people of the planet saw with horror the end of their parent nation. Therefore they pledged to continue the Republic's traditions and together with the neighboring worlds of Sigurd and Crellacor founded the Oberon Confederation in 2775. But the tiny alliance suffered from the downfall of technology and numerous pirate attacks and two decades after it's inception the ill-fated Confederation was unable to exist any further.[40]

The rule of the GrimmsEdit

In 2855 the remaining people of Oberon were totally unprepared for the arrival of Hendrik Grimm, a former Colonel of the LCAF, who deserted with his unit, the Sixty-fifth Lyran Regulars, feeling their superiors had sent them on a suicide assignment. They chose the lost planet as a new home, started to recruit bandits and to raid the neighboring systems.

At around this time, early mining efforts caused an ecological disaster which led to famine on Oberon VI. The JàrnFòlk (the Jespersen clan) brought food at cost to Oberon VI in this time which established trade connections that lasted until 2972. In that year, Oberon VI began another attempt at developing and industrializing their world and exploit its natural resources. In this endeavor, the Hanseatic League undercut the JàrnFòlk prices for goods and long-term services, allegedly because they would use slave labor and the JàrnFòlk would not.[17]

The region suffered from bandit rule until Hendrik Grimm III came to power. He was not satisfied with a life as mere bandit king and in 3012 rekindled the Oberon Confederation as a viable state. Although still technically a pirate realm it constantly grew stronger, not only by bandit raids but also by trade, industrialization and colonization efforts. Hendrik Grimm III even started diplomatic relations with the Great Houses of Steiner and Kurita (including hiring out troops and shipyard services) and led the Confederation into a future as a more respectable power.[1]

The Clan InvasionEdit

So it seemed until 3049 when Clan Wolf arrived and on the 18th of September quickly swallowed Oberon along with its entire Confederation, destroying Hendrik III and his outmatched Oberon Guards in the process.[23] The battle was short, with the Eleventh Wolf Guards of Delta Galaxy defeating the First Oberon Guards at first Black Canyon, then Dao Sing Plain and finally at Kennedy Beach. When the battle was over the King was found dead, having taken his own life rather than submit to Clan rule. The victory also gave Clan Wolf the chance to analyze the fighting style of the Inner Sphere, which they used to great success during the rest of the invasion.[41] Because of a breakdown of the world's Hyperpulse Generator at first only rumors reached the Inner Sphere of the nation's demise. Oberon VI spent over twenty years as a property of the Wolves until Clan Hell's Horses conquered their entire Periphery holdings during the early Jihad.[32] Oberon itself would be conquered by the Hell's Horses during the last two weeks of November 3070.[31]

Dark AgeEdit

In 3083 the Ferris Rebellion caused the Clans to withdraw from most of their Periphery holdings. The Hell's Horses had used Oberon IV as an administrative world, and when the Clan left the area in 3086, the administrators of that world formed the New Oberon Confederation. Oberon became the capital of the new polity.[42] Technicians from Clan Ghost Bear arrived on Oberon to refurbish Grimfort, a fortress first built by Hendrik Grimm. These renovations turned it into a modern Castle Brian. Why the Bears were willing to do so wasn't known in 3095.[43]

Planetary RulersEdit




  • Hendrik Grimm III[1]

Military DeploymentEdit




Oberon VI is a pleasant world, warm and temperate, with rich deposits of gold and coal.[1] Whilst pleasant, the ecosystem is sensitive, and in the mid-twenty-ninth century early mining efforts poisoned the delicate water table, causing an ecological disaster.[17]

Planetary LocationsEdit

  • Black Canyon: site of a notable battle during Operation REVIVAL.[41]
  • Dao Sing Plain: site of a notable battle during Operation REVIVAL.[41]
  • Grimfort: a major fortification, extensively expanded by Clan Ghost Bear in the late thirty-first century.[43]
  • Kennedy Beach: site of the final battle of Operation REVIVAL on the planet.[41]

Nearby SystemsEdit

Closest 24 systems (23 within 60 light-years)
Distance in light years, closest systems first:
Sigurd 9.9 Blackstone 12.5 Butte Hold 15.2 Placida 18.5
New Ålborg 25.7 Zertarum 27.4 Crellacor 28.7 Drask's Den 29.6
Bensinger 33.5 Iron Land 36.1 Beowulf 36.3 Paulus Prime 39.0
The Rock 39.9 Toland 42.1 Apollo 44.7 Gustrell 45.3
Cryfder 46.7 Here 48.1 Last Chance 48.5 Dirkel 49.2
Star's End 49.8 Steelton 51.2 Ichmandu 59.3 Taran's World 60.8


  1. 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 The Periphery (sourcebook), p. 149, "Oberon VI"
  2. 2.0 2.1 Era Report: 3145, p. 39, "Inner Sphere - [3145] Map"
  3. 3.0 3.1 Field Manual: 3145, p. VI, "Inner Sphere - [3145] Map"
  4. 4.0 4.1 4.2 Handbook: Major Periphery States, p. 25, "Rim Worlds Republic At the Fall of the Star League - [2750] Map"
  5. 5.0 5.1 5.2 Era Report: 2750, p. 36, "Inner Sphere - [2750] Map"
  6. 6.0 6.1 Historical: Reunification War, p. 158, "Inner Sphere - [2596] Map"
  7. Handbook: Major Periphery States, p. 18, "Rim Worlds Republic after Age of War - [2571] Map"
  8. Handbook: House Steiner, p. 25, "Lyran Commonwealth after Age of War - [2571] Map"
  9. Field Manual: SLDF, p. vii, "Inner Sphere - [2764] Map"
  10. Historical: Liberation of Terra Volume 1, p. 10, "Inner Sphere - [2765] Map"
  11. Field Report 2765: Periphery, p. 38, "Rim Worlds Army Deployment Map - [2765]"
  12. Field Report 2765: Lyran Commonwealth, p. 25, "Lyran Commonwealth Armed Forces Deployment Map - [2765]"
  13. Historical: Liberation of Terra Volume 1, p. 104, "Rim Worlds Republic - [2767] Map"
  14. Historical: Liberation of Terra Volume 2, pp. 122-123, "Inner Sphere - [2822] Map"
  15. Handbook: House Steiner, p. 36, "Lyran Commonwealth after First Succession War - [2822] Map"
  16. Handbook: House Steiner, p. 40, "Lyran Commonwealth after Second Succession War - [2864] Map"
  17. 17.0 17.1 17.2 Godt Bytte, p.??[citation needed]
  18. Handbook: House Steiner, p. 47, "Lyran Commonwealth after Third Succession War [3025]"
  19. The Periphery (sourcebook), p. vii, "Map of the Periphery"
  20. Handbook: House Steiner, p. 56, "Lyran Commonwealth after Fourth Succession War - [3030] Map"
  21. Handbook: House Steiner, p. 59, "Lyran Commonwealth after War of 3039 - [3040] Map"
  22. Historical: War of 3039, p. 133, "Inner Sphere - [3040] Map"
  23. 23.0 23.1 Era Report: 3052, p. 14
  24. Era Report: 3052, p. 11, "Inner Sphere - [3050] Map"
  25. Era Report: 3052, p. 23, "Inner Sphere - [3052] Map"
  26. Objective Raids, p. 32, "Map of the Wolf Clan Territory"
  27. Era Report: 3062, p. 11, "Inner Sphere - [3057] Map"
  28. The Periphery, 2nd Edition, p. 115, "Greater Valkyrate, Oberon Confederation & Elysian Fields"
  29. Era Report: 3062, p. 29, "Inner Sphere - [3063] Map"
  30. Jihad: Final Reckoning, p. 43, "Inner Sphere - [3067] Map"
  31. 31.0 31.1 Jihad: Final Reckoning, p. 48, "The Jihad In Review"
  32. 32.0 32.1 Jihad Secrets: The Blake Documents, p. 31, "Clan Occupation Zones [3072]"
  33. Jihad Secrets: The Blake Documents, p. 65, "Inner Sphere [3075] Map"
  34. Field Report: Clans, p. 27, "Clan Wolf/Clan Hell's Horses Deployment Map - [August 3079]"
  35. Jihad: Final Reckoning, p. 63, "Inner Sphere - [3081] Map"
  36. Field Manual: 3085, p. vii, "Inner Sphere - [3085] Map"
  37. Interstellar Players 3: Interstellar Expeditions, p. 43
  38. Map of the Inner Sphere 3130
  39. Era Report: 3145, p. 11, "Inner Sphere - [3135] Map"
  40. Handbook: Major Periphery States, p. 37, "The Republic-Commonwealth War"
  41. 41.0 41.1 41.2 41.3 Clan Wolf Sourcebook, p. 56
  42. Interstellar Players 3: Interstellar Expeditions, pp. 42-43
  43. 43.0 43.1 Interstellar Players 3: Interstellar Expeditions, p. 42
  44. Interstellar Players 3: Interstellar Expeditions, p. 43