Ducad (world)

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

Ducad/Loran (Halcyon 1716)
Classic Era (1115)
D433687-6
StarportD Poor: No Construction, Minor Repair, Unrefined fuel
Size4 Small (6,400 km, 0.32g - 0.46g)
Atmosphere3 Vacuum (very thin)
Hydrographics3 Wet World 30%
Population6 Moderate (6 million)
Government8 Civil Service Bureaucracy
Law7 Moderate Law (no firearms)
Tech Level6 Pre-Stellar (nuclear)
See also UWP
System Details
Primary M0 V M6 VI M1 V BD
Planetoid Belts 1
Gas Giants 3
jumpmap?sector=Halcyon&hex=1716&options=8451&jump=3&scale=32&junk=junk.png
Jump map from Travellermap.com [1]

Ducad is a poor, non-agricultural and nonindustrial world.

  • It requires extensive imports of outside technology to maintain a modern, star-faring society.
  • It is unable to produce quality foodstuffs and must import them.
  • It has few prospects for economic development. Life here is drastically bleak.
  • It is a Non-Aligned world dominated by human sophonts located in the Loran Subsector of Halcyon Sector.


Astrography and Planetology[edit]

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

Quaternary Solar System[edit]

Ducad Quaternary Star System
Star Name Hierarchy Color Classification Remarks
Ducad Primary Primary Red M0 V
Ducad Companion Secondary Red M6 VI orbits primary at 81 AU
Ducad Far Companion Tertiary Red M1 V 2500 AU from primary
Ducad Distant Companion Quaternary Brown Dwarf BD orbits tertiary at 21.1 AU


System Data[edit]

The Ducad system consists of two binary star systems lying around 2500 AU apart, orbiting their barycenter once every 179,000 years. From an astrographical perspective the Salvator-Claster binary pair lies to coreward and the Herzog-Lushan binary pair lies to rimward.

Salvator-Ducad System[edit]

The primary is Salvator, an ordinary red main sequence star with a luminosity of 0.04 Sols, a mass of 0.489 Sols, and a diameter of 764,000 km. (I) Ducad orbits within the habitable zone and is designated the mainworld. (II) a small gas giant, (III) a trace atmosphere iceworld, (IV) an exotic atmosphere bigworld, and (V) a vacuum worldlet form the outer system. All of the world retain satellites.

Claster Subsystem[edit]

The companion is Claster, a red subdwarf star that orbits Salvator at 81 AU (orbital position (XI), 12.1 billion km) and has an orbital period of 1042 years. It has a luminosity of 0.0182 Sols, a mass of 0.144 Sols, and a diameter of 314,000 km. (I) a vacuum iceworld, (II) a trace atmosphere iceworld, (III) an exotic atmosphere radworld, and (IV) a vacuum iceworld form the outer system. The radworld retains a family of satellites.

Herzog-Lushan Subsystem[edit]

The far companion is Herzog, an ordinary red main sequence star located approximately 2500 AU from Salvator: the pair orbit one another once every 179,000 years. Herzog has a luminosity of 0.0334 Sols, a mass of 0.4574 Sols, and a diameter of 711,000 km. (I) a large gas giant orbits in the habitable zone: it retains two relatively hospitable satellites. (II) a small gas giant, (III) a trace atmosphere iceworld, and (IV) a vacuum iceworld form the outer system. Both gas giants retain families of satellites.

Lushan Secondary Subsystem[edit]

The distant companion is Lushan, a magenta coloured L-type brown dwarf with a diameter of 60,000 km. It orbits Herzog at a distance of 20.1 AU (orbital position (IX), 3.157 billion km) and has an orbital period of 133 years. (I) a dense icy planetoid belt, (II) a vacuum worldlet, and (III) a vacuum worldlet form the outer system. Neither world retains satellites.

Mainworld Data[edit]

(I) Ducad[edit]

(I) Ducad is designated the mainworld and orbits Salvator at a mean distance of 0.18 AU (26.9 million km), within the habitable zone. It has an orbital period of 39 days 21 hours: it is tidally locked to Salvator. The axial tilt is 4 degrees. Ducad has a diameter of 6,048 km, a density of 3.94 g/cm³, and a surface gravity of 0.34 G. The world is flexed by tidal forces and is geologically active. Its atmosphere is rated as Very Thin, with a mean surface pressure of 0.23 bar and a composition of 76% nitrogen, 23% oxygen, and 1% argon, carbon dioxide, neon and other trace gases. Approximately 26% of the surface is covered in seas of liquid water: average tidal ranges exceed 0.4m. Mean surface temperature: -12°C. The atmosphere is sluggish and minor weather systems, driven by the star, crawl across the globe. The climate is static.

Mainworld Geography and Topography[edit]

Total surface area: 115 million km², Land surface area: 123 million km², Water surface area: 30 million km².

Native Lifeforms[edit]

Ducad has extensive native life, primarily consisting of minute multicellular organisms that can be found in most ecological niches. Their metabolic functions drive the process of atmospheric renewal. The most sophisticated organisms are huge mats of primitive photosynthetic flora.

History & Background (Dossier)[edit]

No information yet available.

World starport[edit]

Ducad has a poor quality starport.

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

World technology level[edit]

Ducad possesses a Technology Level of TL–6.

  • Common Communication technologies for this TL include: Telephone, radio, and television.
  • Common Power Generation technologies for this TL include: Early fission power generation, advanced water and wind generation of electricity.
  • Common Transportation technologies for this TL include:
    • Land: Improved automobiles, early ATV's, and dedicated AFV's.
    • Water: Amphibious vehicles, improved submersibles, and early SCUBA gear.
    • Air: Early jet aircraft and rotorcraft VTOL's.
    • Space: Early unmanned rocket delivery systems and early manned orbital rockets.

World government[edit]

Ducad has a Civil Service Bureaucracy government.

  • It is a government by agencies employing individuals selected for their expertise.
  • The typical power source of this government is an Oligarchy.
  • 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]

No information yet available.

World culture[edit]

No information yet available.

Historical data[edit]

World timeline[edit]

No information yet available.

UWP listing[edit]

No information yet available.

References & Contributors / Sources[edit]

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