Fenn (world)

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This is a world-system under construction and is currently being input-programmed into the Traveller RPG Wiki.

Fenn/Ragol (Course 0206)
Classic Era (1115)
StarportC Routine: No Construction, Major Repair, Unrefined fuel
Size9 Large (14,400 km, 1.03g - 1.33g)
AtmosphereB Exotic (corrosive)
Hydrographics2 Dry World 20%
Population3 Low (7 thousand)
Government2 Participating Democracy
Law1 Low Law (no explosives, poison gas)
Tech Level8 Pre-Stellar (superconductors)
See also UWP
System Details
Primary F1 V M1 V
Planetoid Belts 1
Gas Giants 2
Jump map from Travellermap.com [1]

Fenn is a low population, fluidic hellworld of less than 10,000 sophonts struggling to survive in a inhospitable environment.

  • A fluid world has an oceanic geography of a liquid other than water such as ammonia, methane, hydrocarbons, or other exotic liquids.
  • Hellworlds often offer daily, and sometimes hourly, life-threatening situations to their inhabitants.
  • It is a Non-Aligned world dominated by human sophonts located in the Ragol Subsector of Course Sector.

Astrography and Planetology[edit]

This star system is detailed using the Fringian Variant System Description.

Binary Solar System[edit]

Fenn Binary Star System
Star Name Hierarchy Color Classification Remarks
Fenn Primary Primary Yellow-White F1 V
Fenn Companion Secondary Red M1 V 75.6 AU from primary

System Data[edit]

Flagg-Fenn System[edit]

The primary is Flagg, an ordinary white main sequence star. It has a luminosity of 7.18 Sols, a mass of 1.62 Sols, and a diameter of 2.282 million km. The inner system consists of (II) a trace atmosphere inner world, (III) a corrosive atmosphere inferno world, and (V) a dense atmosphere stormworld – orbital positions (I) and (IV) are empty. (VI) Fenn orbits within the habitable zone and is designated the mainworld. (VII) a ringed very large gas giant, and (VIII) a thin atmosphere radworld form the outer system. Many of the worlds retain satellites.

Grendel Subsystem[edit]

The companion is Grendel, an ordinary red main sequence star orbiting Flagg at a mean distance of 75.6 AU (orbital position (XI), 11.3 billion km) and with an orbital period of 516 years. It has a luminosity of 0.0334 Sols, a mass of 0.4574 Sols, and a diameter of 711,000 km. (II) a dense stony planetoid belt, and (III) a large gas giant form the outer system – orbital position (I) is empty. The gas giant retains satellites.

Mainworld Data[edit]

(VI) Fenn[edit]

(VI) Fenn is designated the mainworld. It orbits Flagg at a mean distance of 2.76 AU (412.9 million km), within the habitable zone. It has an orbital period of 3 years 220 days and a rotation period of 26 hours. The axial tilt is 16 degrees. Fenn has a diameter of 13,712 km, a density of 5.85 g/cm³, and a surface gravity of 1.14 G. The world is flexed by powerful tidal forces caused by its large close satellite and is geologically extremely active. Its atmosphere is rated as Corrosive, with a mean surface pressure of 4.56 bar and a composition of 83% carbon dioxide (CO2), 13% nitrogen (N2), 1% abiotic oxygen (O2), 1% hydrogen sulfide (H2S), 0.5% carbon monoxide (CO), and 0.5% sulfur dioxide (SO2), and 1% argon (Ar), water vapor (H2O), neon (Ne) and other trace gases. Approximately 24% of the surface is covered in seas of water with significant traces of contaminants: average tidal ranges exceed 0.5m. Mean surface temperature: 43°C. The atmosphere is dynamic and strong weather systems driven by the star surge across the globe. The climate is seasonal.


Fenn retains a single natural satellite, a corrosive atmosphere inferno world named Pryor:

(VIa) Pryor (UWP H6B0000-0, orbiting at 10 Diameters/139,000 km)

Mainworld geography and topography[edit]

Total surface area: 591 million km², Land surface area: 449 million km², Water surface area: 142 million km².

  • The hydrogen sulfide, carbon monoxide and sulfur dioxide present in the atmosphere are of volcanic origin.

Native Lifeforms[edit]

Flagg-Fenn System[edit]

No world in the system is known to have native life.

Grendel Subsystem[edit]

No world in the subsystem is known to have native life.

History & Background (Dossier)[edit]

No information yet available.

World starport[edit]

Fenn has a routine quality starport.

  • A Class C Starport Facility has minimal if any shipyards and can only perform extremely limited repair work.
  • This facility has many very skilled personnel who can perform surprisingly sophisticated repair work despite the limited facilities.
  • This facility has refueling infrastructure and limited refining capabilities. One may purchase unrefined fuel here.
  • Starports of this class rarely have both a Lowport and a Highport.

World technology level[edit]

Fenn possesses a Technology Level of TL–8.

  • Common Communication technologies for this TL include: Fiber optics, improved telephones, and satellite communication and data networks.
  • Common Power Generation technologies for this TL include: Improved geothermal and improved batteries.
  • Common Transportation technologies for this TL include:
    • Land: Advanced automobiles.
    • Water: Triphibians and early artificial gills.
    • Air: Improved helicopters and hypersonic jets.
    • Space: Space shuttles, early space stations, and improved interplanetary spacecraft (System Craft).

World government[edit]

Fenn has a Participatory Democracy government.

  • It is a government by advice and consent of the citizen.
  • The typical power source of this government is an Democracy.
  • The typical power structure of this government is a Unitary State.

World military[edit]

No information yet available.

World economy[edit]

No information yet available.

Trade data[edit]

No information yet available.

World demographics[edit]

Population 7,300

World culture[edit]

No information yet available.

Historical data[edit]

No information yet available.

World timeline[edit]

No information yet available.

UWP listing[edit]

No information yet available.

References & Contributors / Sources[edit]

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This article was copied or excerpted from the following copyrighted sources and used under license from Far Future Enterprises or by permission of the author.

  1. "Jump Map API" and map location from Travellermap.com