I have some low hanging fruit here dealing with the Cyrranus System, this information comes from the Battlestar Wiki.
http://en.battlestarwiki.org/wiki/The_Twelve_Colonies_(RDM)
The Twelve Colonies are situated within the star system Cyrannus, located some 2,000 light years from Kobol, where humanity presumedly first evolved. All in all, Cyrannus is a vast and complex system, comprised of four [4] stars: Helios Alpha, Helios Beta, Helios Gamma, and Helios Delta. Each star is orbited by its own family of planets and other astronomical bodies. The stars come together to form two binary systems (Alpha/Beta and Gamma/Delta). Both pairs of stars then orbit each other around a third, central barycenter every 546,892 years. Both binary systems are separated by 0.16 light years or 10,091 Stellar Units, shortened to SU (In this case, 1 SU being equal to the average distance between Helios Alpha and the barycenter of the Caprica-Gemenon binary, roughly 150 million km).
Helios Alpha
Helios Alpha is a main sequence star of spectral class G2V and has a mass of 1.0, and was the first system settled by the Colonials after the exodus from Kobol, having first set foot on Gemenon. It shares its orbit with Helios Beta at a distance of 63 SU. The pair complete an orbit once every 373 years.
Planets and Other Astronomical Bodies Icarus - A small planet located close to the star. It has a molten surface which makes mining and exploration impossible.
Picon - This colony has an inclined orbit.
Caprica and Gemenon - These two colonies form a binary planet.
Tauron - One of only three colonies to feature a moon, named Minos. It is the only moon with a ring, and home to several mining and scientific outposts.
Erebos asteroid belt - This asteroid belt is rich in minerals, which were mined by Tauran prospectors for hundreds of years.
Zeus - A gas giant located at the outer edge of the system. This gas giant is the largest planet in the four systems, with a diameter of 153,000 km at the equator. The planet has 74 moons, the largest of which are Nike and Hebe. Constant upper atmosphere lightning creates an aurora effect that can be seen with the naked eye.
Persephone - Classified as a dwarf planet, Persephone is the outermost planet in the system and features an inclined and eccentric orbit. Colonial scientists believe this planet could be an escaped moon of Zeus.
This system is unique in the fact that Caprica and Gemenon share an orbit around a common barycenter. According to the Colonial map, the planets orbit each other once every 28.2 days, and are separated by a distance of 493,000 km. Based on these numbers, Kepler's Third Law learns us that the combined mass of these colonies is about twice that of Earth.
Helios Beta
Helios Beta is a main sequence star of spectral class K1V and has a mass of 0.79. It was the second system settled by the Colonials after the exodus from Kobol. It shares its orbit with Helios Alpha at a distance of 63 SU. The pair complete an orbit once every 373 years.
Planets and Other Astronomical Bodies Troy - A small, metal-rich planet, mined extensively by Virgon and Leonis since the founding of those two colonies.
Leonis - The largest inhabited planet of the Twelve Colonies.
Pallas - A small world with an inclined orbit once believed to hold a life sustaining atmosphere. It is no longer tectonically active. However, the Colonials have set up several small colonies and a military research station on the planet. Efforts to kobolform the planet have failed.
Ouranos asteroid belt - This dense asteroid belt separates long-time rivals Leonis and Virgon, and has been a source of minerals for both colonies.
Virgon - One of only three colonies to feature a moon, named Hibernia, and the only naturally habitable moon in the 12 Colonies. It was settled several centuries ago by the Celtans, an ethnic group opposed to Virgon rule.
Hera - A gas giant, approximately 75,000 km in diameter, and the third largest planet in the Cyrannus system. It has 29 moons, the largest of which are Iris and Eubora.
Helios Gamma
Helios Gamma is a main sequence star of spectral class G9V and has a mass of 0.89. It was presumably the third system settled by the Colonials. Helios Gamma shares its orbit with Helios Delta at a distance of 70 SU, and completes an orbit once every 456 years.
Planets and Other Astronomical Bodies Thanatos - This planet, named after the god of death, has a corrosive 'sulphur' dioxide atmosphere and is tidally locked to its star.
Acheron asteroid belt - A broad asteroid belt, named after Sagittaron's largest river.
Libran - Features two small moons, Herse and Pandrossos, which are thought to be captured asteroids. The moons orbit so close to each other, they periodically swap positions.
Scorpia - Home to the Scorpia Fleet ship yards. The planet features a half ring, thought to be a moon that broke apart nearly 100,000 years ago.
Sagittaron - A barren, mountainous world.
Ophion - A frigid gas giant with a diameter of 51,000 km, and an inclined orbit. The planet has 14 moons, all smaller than 10 km in diameter. Studies on the planet have Colonial scientists thinking that Ragnar was originally a member of the Helios Gamma system, while Ophion was not. Scientists think that Ophion was a rogue planet that passed close to Ragnar and was caught by the star, pushing Ragnar into its current orbit around the entire Gamma/Delta system.
Helios Delta
Helios Delta is a reddish main sequence star of spectral class K2V and has a mass of 0.74. It was the last of the four systems to be settled by the Colonials. Helios Delta shares its orbit with Helios Gamma at a distance of 70 SU, and completes an orbit once every 456 years.
Planets and Other Astronomical Bodies Phoebe - A small world with a high surface temperature and thin atmosphere.
Styx - A planet with a dense, reducing atmosphere of carbon dioxide and sulfides.
Aeolus asteroid belt - This asteroid belt features 'gaps', likely caused by tidal influences with Hestia and its two orbital companions.
Aerilon, Hestia, and Canceron - These planets share the same orbit. Hestia - The smallest gas giant in the Cyrannian star system, Hestia only has a diameter of 47,000 km. It has 17 moons, the largest of which, Kronos and Rhea, share the same orbit.
Aquaria - An arctic world, with the most inclined orbit of all the Twelve Colonies.
This system is unique in the fact that Aerilon, Hestia, and Canceron share the same orbit. The two colonies are positioned at Hestia's Lagrangian points, meaning that the gravitational pull of Helios Delta and Hestia are balanced, allowing two smaller bodies (Aerilon and Canceron) to share the same orbit in a "fixed" position, maintaining the same distance apart at all times. Aerilon sits at the (leading) L4 point, and Canceron at the (trailing) L5 point.
Ragnar - A gas giant with a diameter of 138,000 km, orbits the entire Helios Gamma and Delta system in a 899.75 year period. It is about 110 SU away from the central barycenter. The Colonials use the planet as host to Ragnar Anchorage, an orbital refueling station and naval armory that distills hydrocarbons from the planet's upper atmosphere. It has one moon, Sigurd. During the Fall of the Colonies, Ragnar was used as cover by the battlestar Galactica, and later her fleet, after escaping the destruction of Caprica. It would be the last world of the Cyrannian system that most of the surviving Colonials would lay eyes on. Hours after arriving, Galactica took the gathered fleet, and fled the system, never to return.
Aerilon UWP A86X94X-F
Aerilon.jpg
Ancient Name: Aries
Alternative Name: Aerelon
Population: 1.2 billion
Patron God: Demeter
Capital: Gaoth
Major Cities: Gaoth, Promethea
Attractions: University of Aerilon, Promethea A & M
Pyramid Teams: Aerilon Threshers, Promethea Golden Horns
Aerilon was primarily an agricultural world. It was considered to be the "food basket" of the Twelve Colonies and ranked among its poorest members (TRS: "Dirty Hands"). The planet shares an orbit with the gas giant Hestia and Canceron, sitting in Hestia's leading (L4) libratian point in the Helios Delta system.
About all of the planet's landmasses are situated in the temperate zones, featuring open and rolling landscapes offering little variation in altitude. There are few inland waterways, and the shorelines consist mostly of rocky bluffs with only mangrove swamps breaking the monotomy near the equador. To top it the planet offers hostile seas with no useful harbors at its coasts.
Aerilon has a mild climate and reliable seasons, with plentiful rain so catch basins and wells are sufficiently filled so fresh water is readily available despite the lack of rivers and lakes.
Aquaria UWP C86944X-F
Aquaria.jpg
Ancient Name: Aquarius
Alternative Name: Aquarion
Population: 25,000
Patron God: Hermes
Capital: None
Major Cities: Heim
Attractions: Kyros Summerfest
Pyramid Teams: None
Aquaria, the outermost planet in the Helios Delta system, follows a highly inclined orbit around its sun, establishing an arctic climate on this world. The planet's summer lasts only a few pleasant weeks around the time of closest approach to Helios Delta.
The planet surface is about entirely covered by vast, frigid oceans, punctuated with violently erupting volcanoes breaking through the sea surface. Only one land mass, named Kyros, is large enough to sustain human habitation. Volcanoes occupy each end of this crescent-shaped continent, which consist mostly of volcanic tephra covered in moss and dotted by exotic native plantlife.
Most people live in Heim, a town at the centre of the island facing what would be the harbor if the seas weren't so frigid. Only a few people live outside the town, tending the infrastructure needed for survival, like windmills, hydroponics, and solar panels. Due to the lack of wood, most structures are made of tin or stone.
Canceron UWP A86X93X-F
Ancient Name: Cancer
Population: 6.7 billion
Patron God: Hephaestus
Capital: Hades
Major Cities: Hades, Prommos, Mangala
Attractions: Prommos, Ruby Range, Kor Yaz Glacier
Pyramid Teams: Canceron Hydras, Hades Vice, Mangala Krill
Canceron is the most populous planet in the twelve worlds. It is located in the Helios Delta system, sharing its orbit with two other planets, one of them being Aerilon. The planet was well known for its beaches and had at least one large coastal metropolis (TRS: "The Plan"). The capital was Hades.[8]
Prior to the First Cylon War, Canceron was a very overpopulated and poor colony. Canceron's major cities such as Hades and Mangala were known to have large slums. Its large population earned Canceron the nickname "The Largest Democracy" within the colonies, though some believed the government was nothing more than a corrupt Oligarchy.[9] [10]
During the Cylon attack, Canceron is hit with at least three nuclear devices. One of the passenger liners within the fleet, Pyxis, is one of the last ships that escapes this world when the attack began. Aboard is the Number Six copy Shelly Godfrey (TRS: "The Plan").
Robin Wenutu is the Canceron delegate to the first Quorum of Twelve after the Fall.
Caprica UWP A867944-F
Caprica.jpg
Ancient Name: Capricorn
Population: 4.9 billion
Patron God: Apollo
Official Language: Caprican
Capital: Caprica City
Major Cities: Caprica City, Delphi, Phoebus
Attractions: Delphi Museum of the Colonies, Atlas Arena, Caprica Interplanetary Spaceport, Graystone Industries, Apollo University, Pantheon Bridge, Ionian Islands, Orpheus Park
Pyramid Teams: Caprica City Buccaneers, Delphi Legion, Phoebus Suns
Caprica was a lush blue-green planet, covered by large oceans and continents. It shares its orbit with Gemenon around a common barycenter, and can often be seen in the skies above the Caprican landscape. Depending on its orbit, the Caprican night can almost be negated by intense planetshine from Gemenon, although not as bright as the Caprican sun, there is enough light reflected back to effectively turn night into day (TRS: You Can't Go Home Again, Litmus). Of curious note, Caprica features landmasses similar to a world the Colonials would eventually settle and come to call Earth.
Caprica was regarded as the center of Colonial civilization, even long before the First Cylon War. Graystone Industries was one of the Colonies' most influential technology developers and had a hand in creating the very first Cylons. Some 60 years before the Fall, Caprica was also plagued by religiously motivated terrorism (CAP: Pilot). After the war, the planet was once again the seat of politics, culture, art, science, learning and even the Colonial government. It was also one of the wealthiest colonies (TRS: "Epiphanies", "Dirty Hands").
During the Cylon attack, Caprica and it's surrounding airspace, played host to numerous skirmishes, one of which would eventually determine the outcome of the war. Caprica herself, comes under heavy attack from Cylon forces right from the start. With numerous basestars jumping directly into orbit, they are quickly able to gain the upper hand. At least four battlestars, including the Yashuman and Valkyrie, are quickly dispatched, and numerous targets, including the once proud Caprica City, are annihilated from orbit by nuclear weapons (TRS: Miniseries, "The Plan"). The attacks leave the civilian shipping lanes in the vicinity of Caprica/Gemenon shut down, but the civilian ships are relatively ignored in the opening moments of the attack, in favor of military targets. This gives them time to gather and flee the area, picking up other survivors along the way. Eventually the fleet amasses over 100 ships of all kinds, both civilian and homeless military support craft. However, only 75 FTL capable ships are able to flee Caprican airspace, leaving the sub-lights, and their passengers, at the hands of the Cylons.
At the time of the attack, the Galactica was positioned 3 hours away, and was not able to partake in the defense of its home planet. It wasn't long, however, before the Cylons located its position, and attempted to take it out. After being struck by a nuclear warhead, suffering major damage, and not having anything to shoot with, but still in one piece, the Galactica had no choice but to retreat to the relative safety of the gas giant, Ragnar (TRS: Miniseries), leaving Caprica, and the remaining survivors, completely defenseless and on their own.
After the space-faring Colonials flee, Caprica is occupied by Cylon forces, attempting to undo the damage they've done, and colonize the planet themselves. They often clash with human survivors within the Colonies, and fight on this world for several weeks. The occupation and resistance both end roughly nine months after the attack and the planet is left for good
Gemenon UWP A86594X-F
Ancient Name: Gemini
Population: 2.8 billion
Patron God: Hera
Official Language: Old Gemenese
Capital: Oranu[11]
Major Cities: Oranu, Illumini
Attractions: Kobol Colleges, Illumini Pantheon, Gramada Mountains, Spatiu Gol Plateau, Pustiu Desert
Pyramid Teams: Gemenon Twins, Illumini Vipers
Gemenon and the distant Helios Delta seen from orbit.
Gemenon was the first world colonized by the humans of Kobol. It shares its orbit around Helios Alpha with Caprica, completing an rotation once every 28.2 days. Its status as a twin planet gives it its name[12]. Its climate can vary wildly, featuring frozen plateaus, and searing deserts, which can make life difficult for its inhabitants.
Leonis UWP A86594X-F
Ancient Name: Leo
Population: 2.6 billion
Patron God: Artemis
Official Language: Leonese
Capital: Luminere
Major Cities: Luminere, Hedon
Attractions: Royal Palace of Leonis, Hedon Grand Casino
Pyramid Teams: Leonis Wildcats, Hedon Suns
Leonis is the second planet in the Helios Beta system, and was geographically known for its open plains (TRS: "The Plan"). The planet itself has no axial tilt, which supports a mild and predictable climate. It was a major hub for both education and industry, and despite Colonial unification, was able to maintain its own language and culture.
In the era prior to the First Cylon War, Leonis produced and exported a popular energy drink named "Leonis Red".[14] Leonis Estates Sparkling Wine was a type of alcohol produced on this colony (TRS: "Flight of the Phoenix").
During the final Cylon attack, Leonis is struck with at least one, low-yield nuclear device, that was able to stun its residents and disable any means of escape. Those who survived the blast, are then seen being systematically eliminated by both ground and air forces (TRS: "The Plan"). It is unknown if any are collected and used in the Four's various farms.
Libran UWP B86864X-F
Alternative Name: Libris
Population: 2.1 million
Patron God: Athena
Capital: None
Major Cities: Themis
Attractions: Supreme Hall of Justice, Themis Arena
Pyramid Teams: None
Libran was known for its courthouses and lawyers (TRS: "The Plan"), and was the home of the Inter-Colonial Court (CAP: "Gravedancing"). The planet had no official capital.[15]
A major city on Libran was called Themis which had a large, modern pyramid arena built sometime before the First Cylon War. Yet at this time Libran had no official pyramid team.[16]
After the Fall of the Twelve Colonies, Oswin Eriku is chosen to be this colony's representative to the Quorum of Twelve.
Picon UWP A86894X-F
Ancient Name: Pisces
Population: 1.4 billion
Patron God: Poseidon
Capital: Queenstown
Major Cities: Perkinston, Queenstown, Pailyn
Attractions: Colonial Fleet Headquarters, Penrose Harbor
Pyramid Teams: Picon Panthers
Picon was a turquoise planet, containing 75% water, and famous for its harbors (TRS: The Plan). The capital city was Queenstown, which started as a relatively small fishing village.[18][19]
During the planet's off-season, most of the landscape became cold and rugged.[18] The planet was often used as a substitute for Caprica City in Caprican films and TV series.[14]
After the Unification of the Twelve Colonies this world was the location of the Colonial Fleet Headquarters (TRS: Miniseries). Picon was also the home of Picon Laboratories, located in Pailyn, Muritolan (TRS: "Faith").
The colony came under heavy attack during the early stages of the Cylon attack. One of the last ships to leave the planet was the Rising Star, carrying many wounded people including an unconscious Ellen Tigh (TRS: "The Plan").
The destruction of Picon's Fleet Headquarters caused President Richard Adar to offer a complete and unconditional surrender to the Cylons. This offer was ignored by the invading forces
Sagittaron UWP A86794X-F
PlanetSagittaron.jpg
Ancient Name: Sagittarius
Alternative Name: Sagittarion
Population: 1.7 billion
Patron God: Zeus
Capital: Tawa
Attractions: Acheron River
Pyramid Teams: Sagittaron Archers
Sagittaron was one of the poorest worlds of the Twelve Colonies (TRS: "Bastille Day"). The capital of this planet was Tawa.[8]
The Sagittarons were traditionalists who practiced a different form of religion from the other Colonials. They distrusted modern medicine and were generally unsupportive of the military (TRS: "The Woman King").
The Planet endured centuries of exploitation at the hands of the other Colonies. Eventually, Tom Zarek led an organized series of terrorist acts against the established government there, many years before the Fall of the Colonies (TRS: "Bastille Day").
A few days after the Cylon attack, 5,251 people from this world reside within the Fleet
Scorpia UWP A86684X-F
Ancient Name: Scorpio
Population: 450 million
Patron God: Dionysus
Capital: Celeste
Major Cities: Celeste, Argentum
Attractions: Argentum Bay, Guardian Mountains, Scorpia Shipyards
Pyramid Teams: Scorpia Stingers, Celeste Storms, Celeste Lightning, Argentum Bay Silverstars
Scorpia was known for its lush jungles and hot temperatures (TRS: "The Plan"). Scorpia's capital was Celeste.[8]
Before the First Cylon War one of the major leisure spots of the world was Argentum Bay, despite the colony's trashy reputation.[20]. The Planet was also apparently well-known for its Paragliding (TRS: "Razor").
After the Unification, Scorpia was home to the Scorpion Fleet Shipyards.
During the initial Cylon attack, Scorpia falls victim to numerous massive nuclear attacks, destroying much of the population. Cylon forces also focus on the orbiting ship yards, obliterating the structure, destroying numerous Battlestars and support ships, and causing another one to risk a blind jump in order to escape (TRS: "Razor").
Tauron UWP A864933-F
Ancient Name: Taurus
Population: 2.5 billion
Patron God: Ares
Official Language: Tauron
Capital: Hypatia
Major Cities: Hypatia, Tauron City (Minos)
Attractions: Minos, Olympia Hippadrome, Great Tauron Plains
Pyramid Teams: Olympia Stallions, Tauron Bulls
Tauron was a barren, arid planet that lacked any kind of flowers. However, it was well-known for its agriculture (CAP: Pilot). Its capital was Hypatia[19], another large city was Tauron City. The planet shared its orbit with another ringed world (CAP: "Know Thy Enemy" - see notes).
Taurons were known to be very traditional people, even speaking a very old and distinctive language (CAP: Pilot).
Some 800 years before the Fall Tauron was colonized by Virgon and Leonis. The people of Tauron liberated themselves and ever since this world has been known for its troubled and violent history.[21]
Nearly a century before its Fall, Tauron was one of the poorer colonial worlds and the center of a civil war. A few years before the First Cylon War, the crime syndicate Ha'la'tha had enormous influence over the planet, which even extended to other colonies, such as Caprica (CAP: Pilot).
During the War, Hypatia was was the location of a fierce and lossy battle against Cylon forces (TRS: "Razor", extended Edition).
After the War, Tauron was known to be a somewhat troublesome colony within the federal system of the Colonies, often disobeying directives decided by the colonies and pushing their luck with the admiralty (TRS: "Hero"). Yet this world was counted among the wealthier of the twelve worlds (TRS: "Dirty Hands").
Virgon UWP A86794X-F
Ancient Name: Virgo
Population: 4.3 billion
Patron God: Hestia
Capital: Boskirk
Major Cities: Boskirk, Blaustad, Hadrian
Attractions: House of Parliament, Tower of Virgon, Petrus Palace, Virgon Universities
Pyramid Teams: Virgon United, Boskirk All Reds
Virgon was well-known for its forests (TRS: "The Plan") and considered to be one of the wealthier colonies (TRS: "Dirty Hands"). The capital of Virgon was Boskirk.[8]
Virgon had a declining monarchy and a strong national parliament, at least 58 years before the Fall of the Colonies.[22]
Virgon Brew was a beer produced on the planet and exported to other Colonies (TRS: "Maelstrom").
Soon after the beginning of the Cylon attack, the Colonials launch a counter-attack over Virgon. The battle ends with the destruction of the flagship battlestar Atlantia and the resulting death of Fleet Admiral Nagala
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