Occida (world)

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

Occida/Farin (Halcyon 0413)
Classic Era (1115)
StarportE Frontier - no facilities
Size8 Large (12,800 km, 0.80g - 1.08g)
Atmosphere6 Standard
HydrographicsA Water World 100%
Population4 Moderate (50 thousand)
Government3 Self-Perpetuating Oligarchy
Law4 Moderate Law (no light assault weapons)
Tech Level6 Pre-Stellar (nuclear)
See also UWP
System Details
Primary A2 V G3 V
Planetoid Belts 1
Gas Giants 2
Jump map from Travellermap.com [1]

Occida is a nonindustrial water world, which has 90% or more of its surface covered in an ocean of water.

  • The inhabitants of this world live on the roughly 10% of exposed land mass, in underwater colonies, on city ships, or similar arrangements.
  • As a nonindustrial world, it requires extensive imports of outside technology to maintain a modern, star-faring society. The need to import most manufactured and high technology goods drives the price of these goods up in the open market.
  • It is a Non-Aligned world dominated by human sophonts located in the Farin Subsector of Halcyon Sector.

Astrography and Planetology[edit]

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

Binary Solar System[edit]

Occida Binary Star System
Star Name Hierarchy Color Classification Remarks
Occida Primary Primary White A2 V
Occida Companion Secondary Yellow G3 V 9.6 AU from primary

System Data[edit]

Ogden System[edit]

The primary is Ogden, an ordinary blue main sequence star. It has a luminosity of 60.4 Sols, a mass of 2.76 Sols, and a diameter of 3.673 million km. The inner system consists of (II) a dense metal-rich planetoid belt, (III) a thin atmosphere radworld, and (IV) a vacuum worldlet with an elliptical orbit – orbital position (I) is empty and orbital positions (IV) through (X) are unavailable due to the presence of Celinko, the companion star. (XI) a ringed large gas giant, (XII) a small gas giant and (XIII) a vacuum iceworld form the outer system, following elliptical orbits around both stars. Many of the worlds within the system retain satellites.

Celinko-Occida Subsystem[edit]

The companion is Celinko, an ordinary yellow main sequence star that orbits Ogden at a mean distance of 9.6 AU (orbital position (VIII), 1.436 billion km), with an orbital period of 35 years 128 days. It has a luminosity of 0.47 Sols, a mass of 0.96 Sols, and a diameter of 1.299 million km. The inner system consists of (I) a vacuum worldlet and (III) a dense atmosphere stormworld – orbital position (II) is empty. (IV) Occida orbits within the habitable zone and is designated the mainworld. Occida and the stormworld retain satellites.

Mainworld Data[edit]

(IV) Occida[edit]

(IV) Occida is designated the mainworld. It orbits Celinko at a mean distance of 0.98 AU (146.6 million km), within the habitable zone. It has an orbital period of 361 days 16 hours and a rotation period of 26.5 hours. The axial tilt is 17 degrees. Occida has a diameter 13,122 km, a density of 5.71 g/cm³, and a surface gravity of 1.14 G. The world is geologically active. Its atmosphere is rated as Standard, with a mean surface pressure of 1.02 bar and a composition of 79% nitrogen (N2), 20% oxygen (O2), and 1% argon (Ar), water vapor (H2O), carbon dioxide (CO2), neon (Ne) and other trace gases. Approximately 99% of the surface is covered in oceans of liquid water: average tidal ranges exceed 1.1m. Mean surface temperature: 3°C. The atmosphere is dynamic and powerful weather systems driven by the star and the oceans scour the surface. The climate is seasonal.


Occida retains two natural satellites, a small thin atmosphere hospitable world named Neera and a vacuum worldlet named Polli:

(IVa) Neera (UWP H341000-0, orbiting at 35 Diameters/460,000 km)
(IVb) Polli (UWP Y200000-0, orbiting at 45 Diameters/590,000 km)

Mainworld Geography and Topography[edit]

Total surface area: 541 million km², Water surface area: 530 million km², Land surface area: 11 million km².

Native lifeforms[edit]

The hot stormworld lying in orbital position (III) around Celinko (within the H– region of the inner system) has primitive native life, consisting entirely of microscopic cyanobacteria-parallels that exist in any location where they can find even a minimal trace of shelter and moisture. Their metabolic functions maintain the process of atmospheric renewal.

Occida, the mainworld, has extensive, abundant native life, with complex organisms inhabiting every ecological niche. Their metabolic functions drive the process of atmospheric renewal.

  • Neera, Occida's hospitable inner moon has extensive native life, consisting of microscopic organisms, stromatolite-parallels and primitive flora that can be found in almost every ecological niche. Their metabolic functions drive the process of atmospheric renewal.

History & Background (Dossier)[edit]

World starport[edit]

Occida has a frontier quality starport.

World technology level[edit]

Occida possesses a Technology Level of TL–6.

World government[edit]

Occida has a Self-Perpetuating Oligarchy government.

  • It is a government by a restricted minority, with little or no input from the masses.
  • The typical power source of this government is an Oligarchy.
  • The typical power structure of this government is a Hegemony.

World military[edit]

No information yet available.

World economy[edit]

  • Resources: 8 (Moderate)
  • Labor: 3 (Thousands)
  • Infrastructure: 1 (Extremely limited)
  • Efficiency: −1 (Average)

Trade data[edit]

No information yet available.

World demographics[edit]

Population 48,800


No information yet available.

World culture[edit]

  • Homogeneity: 6 (Harmonious)
  • Acceptance: 1 (Extremely xenophobic)
  • Strangeness: 6
  • Symbols: 7

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