Cydia (world)

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

Cydia/Jerik (Halcyon 0424)
Classic Era (1115)
StarportA Excellent: Starship Construction, Overhaul, Refined fuel
Size5 Medium (8,000 km, 0.40g - 0.57g)
Atmosphere8 Dense
Hydrographics6 Wet World 60%
Population7 Moderate (90 million)
Government8 Civil Service Bureaucracy
Law6 Moderate Law (no firearms except shotguns)
Tech LevelB Average Stellar (large starships)
See also UWP
System Details
Primary K1 V M7 VI
Planetoid Belts 1
Gas Giants 2

Cydia is a rich, agricultural world with improving living conditions due to a bustling agro-economy.

  • As an agricultural world, this world is a near-ideal environment for producing quality foodstuffs of plant, animal, and other forms. Quality foodstuffs are a major export commodity for this world.
  • This is a rich world with a prosperous and thriving world economy.
  • This world is rich with high-grade living conditions, a good climate, and a non-harmful environment. Immigration registration for this world is always in high demand.
  • It is a Non-Aligned world dominated by human sophonts located in the Jerik Subsector of Halcyon Sector.
  • This world-system hosts a Military Base, usually associated with military ground forces, which may be located on or off-world.

Description (Astrography & Planetology)[edit]

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

Binary Solar System[edit]

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

K1 V

Primary Main Sequence 0.774 3800 - 4800 0.352
Unit Diameter Min Distance Hab Zone Jump Shadow M-Drive Limit
AU 0.00781 0.04921 0.47 - 0.77 0.781 7.81
Orbit #  *  * 2 2 7
Star Name Hierarchy Category Mass (Sol) Temp (K) Luminosity (Sol)


Secondary Main Sequence 0.081 1900 - 2700 0.001
Unit Diameter Min Distance Hab Zone Jump Shadow M-Drive Limit
AU 0.00073 0.00266 0.03 - 0.04 0.073 0.73
Orbit #  *  *  *  * 2
81.5 AU from primary

System Data[edit]

Taig-Cydia System[edit]

The primary is Taig, an ordinary orange main sequence star. It has a luminosity of 0.352 Sols, a mass of 0.774 Sols, and a diameter of 1.168 million km. The inner system consists of (I) a trace atmosphere worldlet, and (II) a very thin atmosphere hospitable world. (III) Cydia orbits within the habitable zone and is designated the mainworld. (IV) a sparse stony planetoid belt, (V) a ringed large gas giant, and (VI) a small gas giant form the outer system. Many of the worlds retain satellites.

Substrate Subsystem[edit]

The companion is Substrate, a dim red subdwarf star that orbits Taig at approximately 81.5 AU (orbital position (XI), 12.2 billion km) and has an orbital period of 836 years. It has a luminosity of 0.00103 Sols, a mass of 0.081 Sols, and a diameter of 109,000 km. (I) an exotic atmosphere radworld, (II) an exotic atmosphere bigworld, (III) a trace atmosphere iceworld, and (IV) a vacuum worldlet form the outer system. Most of the worlds retain satellites.

Mainworld Data[edit]

(III) Cydia[edit]

(III) Cydia is designated the mainworld. It orbits Taig at a mean distance of 0.62 AU (92.8 million km), within the habitable zone. It has an orbital period of 112 days 11 hours and a rotation period of 26 hours. The axial tilt is 16 degrees. Cydia has a diameter of 8,632 km, a density of 5.99 g/cm³, and a surface gravity of 0.74 G. The world is geologically active. Its atmosphere is rated as Dense, with a mean surface pressure of 1.77 bar and a composition of 77% nitrogen (N2), 21% oxygen (O2), 1% argon (Ar), and 1% water vapor (H2O), carbon dioxide (CO2), ozone (O3), neon (Ne) and other trace gases. Approximately 63% of the surface is covered in oceans of liquid water: average tidal ranges exceed 0.3m. Mean surface temperature: 25°C. The climate is rated as Temperate-Warm and experiences minor moderate major extreme seasonal changes during the local year. The atmosphere is dynamic and strong weather systems driven by the star and the oceans sweep across the globe. The climate is seasonal.

Mainworld Size (S)[edit]

This world is a Meso World between 7,200km and 8,800km in diameter. The world has a standard gravity between 0.4G and 0.57G. The horizon will appear about 4km away.

Mainworld Atmosphere (A)[edit]

This world has a pressure of 1.50 to 2.49 atmospheres. A Dense Atmosphere requires no survival gear although it may be hard on sophonts not accustomed to it.

Mainworld Hydrosphere (H)[edit]

This world has 55-65% of its surface covered by liquid water. It has significant large liquid bodies. Wilderness refueling is possible.


Cydia retains a single natural satellite, a thin atmosphere hospitable world named Gaol:

(IIIa) Gaol (UWP F354367-A, orbiting at 35 Diameters/305,000 km)

Mainworld Geography and Topography[edit]

Total surface area: 234 million km², Water surface area: 147 million km², Land surface area: 87 million km².

Native Lifeforms[edit]

Taig-Cydia System[edit]

The hot marginally hospitable world lying in orbital position (II) (within the H– region of the inner system) has primitive extremophile native life, consisting entirely of microscopic cyanobacteria-parallels that thrive in the harsh conditions. Their metabolic functions drive the process of atmospheric renewal.

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

  • Gaol, Cydia's temperate hospitable 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.

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

Substrate Subsystem[edit]

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

History & Background (Dossier)[edit]

No information yet available.

World starport[edit]

Cydia has a Class A Starport, an excellent quality installation which includes all the expected amenities including refined fuel for starships, brokerage services for passengers and cargo, and a variety of ship provisions. There is a shipyard capable of doing annual maintenance, overhauls and other kinds of repair, and construction of both starships and non-starships. Most ports of this classification have both a Highport and a Downport.

  • Peace footing (government modifier x1.1). Port Capacity: 99,000 dTons


Port facilities within the system include:

World technology level[edit]

Cydia possesses a Technology Level of TL–11 or TL-B in Hexadecimal Notation.

World government[edit]

Cydia is governed by a Civil Service Bureaucracy. The leadership of the government is another form (democracy, dictatorship, oligarchy), but the bureaucracy leadership influences policy. The government leadership may select the bureaucracy leadership, but not its membership. Usually the governmental leadership is divided, or incapable of setting policy and the bureaucracy provides a stabilizing influence. The bureaucracy may be the full government bureaucracy or a section with limited jurisdiction but considerable influence like the military.

World military[edit]

Freelance, independent, some would say mercenary vessels frequent this port, for excellent maintenance and refit. Their expertise with battle damage and speedy repairs are near legendary. As a result the world has a great many loyal friends and allies. The famous Witch of Endor class Corsairs are typical of their designs. Of late, a squadron of new warships have appeared to be operating from this system. The fanciful name of the Cydian Death Squadron, has been applied by some survivors. Their true purpose is unknown at this time.

World economy[edit]

There are several economic sub-classes with minor cultural differences that have emerged over time.

Trade data[edit]

A number of important companies have their headquarters at Denirad:

World demographics[edit]

There are some hard to notice stratification among members of these societies coexisting in a cosmopolitan mixture. Aliens are present in the typical proportions common across the Fringe.

World culture[edit]

The Gaol moon was originally the most infamous gulag in the subsector. The prisoner death rates were the highest of any facility of its type. Eventually, new leadership launched inquires to humiliate rival houses with controlling corporate interests in the prison business. The illegal experimentation and torture was exposed in vivid details in the media across this region of space. The facilities were forced to close down and several powerful people had to flee to escape mob justice. Two decades latter the desolate facilities were redeveloped, once the short attention span and collective memory of the populous had put the unseemly details of the Gaol tragedy, as it was now known and taught about in the local schools, behind them, most people were ready to forget and move on. A group of shrewd business concerns bought up controlling interests, for nearly nothing, and began building the most stunning examples of low gravity architecture around. These spectacles of modern engineering showcased the technical abilities of the local craftsmen, and made this a famous tourist destination. Suddenly the prices for these elaborate, custom built moon estates skyrocketed. Now the Gaol moon is reserved for the estates of the very wealthy. Lower classes have very limited access. They are brought in as labor, but are very carefully monitored and prevalent security, background check and vetting makes this area very difficult to penetrate for the uninvited.

There is evidence of embryonic cloning, and subtle genetic engineering have been used in the past among the working classes, and seeing identical faces is not unusual. To build numbers certain gene lines were advanced to get the original colony up and running as soon as possible. That genetic legacy is still evident for its heavy handed, brute force approach. There is a sameness to the lower classes, the genetic variation seems a bit constricted. Heights, size, features vary within narrow ranges. Some suspect the GenPods and the Hopper nurse maids may not have understood, how much variation to expect. The wealthy revel in the eccentricities, what other cultures would deem ugly, is celebrated here as unique, natural and original. Needless to say, the ad campaigns, marketing and fashion industry are very different here. A comment heard elsewhere, you are pretty enough to model on Cydia, is really an insult in other cultures on the Fringe.

Important people have cloud shrouded sky castles, built on large industrial anti-gravity platforms originally used for colonial era construction and large scale fabrication. These Goliaths are wreathed in synthetic micro-climates and were rehabbed. An enterprising group of "real estate" agents created the fad among the idle rich, to have their own sky palace. These floating rigs, vast gravity powered barges and suspensor enabled dry docks for ship fabrication and overhauls. From these humble and unglamorous origins as utilitarian transport over the busy starport suddenly became the hottest, must have trophy. Now these floating palaces drip with the latest high fashion, creature comforts, five star appointments and luxury. Clubs, restaurants, discos, casinos, and the finest entertainment centers. Local vid shows feature the make overs and viewers watch entitled dilettantes, fuss over designer details, in a faux reality show. Celebrities constantly struggle to out do each other with the latest extravagance. Apartments, condos, and get away lofts are the norm. The rich maintain these for business and pleasure. Being close to the action has its advantages. The super wealthy elites play here, but live on Gaol.

One sub cultural class are the unions of dock workers, craftsmen and ship engineers who work in naval architecture, ship construction and over hauls. A rough and ready realism, a rejection of the soft, privileged elites, these people pride them selves on hard work and high levels of skill and talents, not conspicuous consumption. The rival groups within this tribal culture wear certain uniforms, badges, and markings to differentiate themselves. The colors and styles are rigidly enforced. Alliances are very serious affairs and membership in a fellowship union is usually for life. They set wages, contracts, benefits and nothing moves or gets done related to ships, transport, refueling or trade without their quiet, behind the scenes consent. They let the sky-dwellers revel and fornicate publicly, they are quiet, clannish and aloof. Outsiders, are not welcome, no tourists are allowed. If a disagreement does arise between these groups, they have an interesting method for conflict resolution. They build remotely piloted warbots.

These must be built from salvage, junk yard type materials. They must be jury rigged, no customized, or purpose built designs are allowed. The pride, the challenge, is to show off the pure engineering, mechanical, electronic and computer skills to turn cast off garbage into dueling weapons. Honor bound, proud of their problem solving ingenuity and steeped in deep traditions rigid codes and protocols must be observed. Neutral, third party judges inspect every bolt, solder and seam. Any impropriety at this stage will bring swift disqualification and great shame, and dishonor to the offending clan. The battles originally occurred in secret. Only the two groups knew the time and place. All was a closely guarded secret, lest their unauthorized use of materials headed for recycling be discovered. Years ago, a video of the fights leaked and became an overnight cultural sensation. Now, organizers run covert promotions, of these "illegal" battles between junk yard machines. The wealthy over seers, delight in the crude mechanistic gladiatorial forbidden fruit. Now that it is a very poorly kept secret, great efforts are made to keep it pure. There have been several scandals with military grade hardware showing up, because a certain house had wagered so heavily. The betting is big business, but the cheaters meet very violent ends. The greedy steer clear of tampering, if they value their lives. Finding dozens of the super rich, in such large pools of blood, in so many tiny pieces within very secure sky palaces and moon estates, sent a powerful message planet wide. The unions, though low class and presumably dirty, can get anyone anywhere, and no one is safe from them. They are assumed to have had help from some wealthy patrons on the losing side of the original wager. No official investigations ever turned up any solid evidence, just a lot of dead witnesses. Pretty soon, people stopped asking questions.

The elites are terrified to venture among these people, who all look alike to them. They avoid the planet surface as much as possible. The starport facilities, hotels and food vendors are bland and unexciting as a result. Only government and transport company subsidies keep these disinterested, low rent facilities eking out an existence. They can't compete with the posh excess of the various cloud castles. Bright ads and adverts cover all available spaces to lure customers and tourists to tour the various luxury sky islands. Grav limos and cheaper taxi transports carry hordes aloft. Most return to their ships significantly poorer, but most agree the experience is a bit overwhelming and unforgettable. Grand re-openings, the latest shows and amusements must constantly struggle to out do and impress each other. Genetic samples are required to open high roller lines of credit for visitors. These "donations", can be given as a form of payment for some debts here. This creates a very intriguing genetic library. The database has all sorts of interesting uses. The biotech firms here are small but very powerful, with insidious methods of debt collection, best left to the imagination. They are widely feared and respected among the banking and finance clans.

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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