Dyrnwyn (world)

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Dyrnwyn/Sword Worlds (Spinward Marches 1522)
Milieu 1116
StarportB Good: Spacecraft Construction, Overhaul, Refined fuel
Size9 Large (14,400 km, 1.03g - 1.33g)
Atmosphere5 Thin
Hydrographics8 Wet World 80%
Population8 Moderate (200 million)
Government1 Company/Corporation
Law2 Low Law (no energy weapons)
Tech LevelA Early Stellar (jump drive)
See also UWP
System Details
Primary K4 V M8 V
Worlds 7
Gas Giants 1
Planetoid Belts 0
Cultural Details
Government Company or Corporation
Law Level Low
Cultural Extension 4B16
Army Size (BEs) 1500
Economic Details
Technology Level 10
Economic Extension
Labor7Moderate (20 million)
InfrastructureC Very extensive
Importance Extension 3
Resource Units 832
GWP (BCr) 732
World Trade Number 5
Trade Volume (MCr/year) 15,720
Starport Details
Classification Class-B
Port Size 5
Building Capacity (Tons) 160,000
Port employees 2,160
Port passengers (annual) 240,800

Dyrnwyn has a ideal environment and a balance of available water for producing food from plants, animals, or other forms. The system supports a population in the 100's of millions, which makes it too urbanized to make it an agricultural world. It is a member of Sword Worlds Confederation in the Sword Worlds Subsector of Spinward Marches Sector and in the Sword Worlds. This world supports a Sword Worlds Military Base and the system supports a Sword Worlds Naval Base.

Astrography & Planetology[edit]

Dyrnwyn is a member of the Spinward Main.

Dyrnwyn is tidally locked to "Rhydderch", its primary, despite sitting on the edge of the system's habitable zone. The near side of the planet is mostly ocean with a temperate climate, while the far side is frozen with average temperatures at the cold pole nearing -51°C.[2]

Dyrnwyn contains three main continents: Joekullvetur, Ny Groenland, and Eghvass. Other major land masses include the coveted Jarthlaug Islands in the ocean circle, which contain the settlement of Katlar. Both the capital city of Svartgardur as well as Ahgharad Starport are located on the Joekullvetur continent.

Binary Solar System[edit]

Dyrnwyn Binary Star System
Star Name Hierarchy Category Mass (Sol) Temp (K) Luminosity (Sol)

K4 V

Primary Main Sequence 0.621 3400 - 4300 0.148
Unit Diameter Min Distance Hab Zone Jump Shadow M-Drive Limit
AU 0.0059 0.03191 0.31 - 0.5 0.59 5.9
Orbit #  *  * 1 2 6
Star Name Hierarchy Category Mass (Sol) Temp (K) Luminosity (Sol)

M8 V

Secondary Main Sequence 0.244 1900 - 2500 0.003
Unit Diameter Min Distance Hab Zone Jump Shadow M-Drive Limit
AU 0.00224 0.00415 0.04 - 0.06 0.224 2.24
Orbit #  *  *  * 0 5

History & Background (Dossier)[edit]

Dyrnwyn was formerly a member of the Sword Worlds Confederation. During the Fifth Frontier War, Dyrnwyn was invaded by Imperial troops on 233-1109 as part of Operation Azhanti Sunrise. Following the defeat of Sword Worlds forces, Dyrnwyn came under Imperial occupation and in 1110 was among the border systems that broke off from the Confederation to create the pro-Imperial client state called the Border Worlds Federation. In 1111 control of Dyrnwyn was returned to the Fortarn Conglomerate, the planet's Gungnir (Spinward Marches 1221)-based corporate owners, as part of a post-war goodwill package.

The Dyrnwyn ("White-Hilt") is said to be a powerful sword belonging to Rhydderch Hael, one of the Three Generous Men of Britain mentioned in the Welsh Triads.

References & Contributors (Sources)[edit]

This list of sources was used by the Traveller Wiki Editorial Team and individual contributors to compose this article. Copyrighted material is used under license from Far Future Enterprises or by permission of the author. The page history lists all of the contributions.