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The Aldran System is a binary star system consiting of the K-type orange dwarf Aldra and M-type red dwarf Selenis. Both stars are orbited by numerous planets of varying sizes and climates. With Alcanti being the homeworld of the reptillian Draconis, Aldra serves a more political purpose of being the capital of the Draconid Imperium as well as a vital trade hub and a direct connection to the Andromedan Hyperlane network.

With spacefaring civilization in the system dating back over 250,000 years, the system is unfortunately littered with old and outdated facilities, abandoned colonies and numerous megaprojects, making it just as much a magnet for fortune-seekers, archaeologists and treasure hunters ad it does for businessmen, tourists and politicians throughout the First Gigaquadrant.

AldraEdit

Aldra

A K-type star measured to be 4.3 billion years old, Aldra serves as the focal point of the planets' rotation. Possessing a luminosity 1.4 times that of Sol, the star has habitable zone of between 0.95 and 1.3 AU.

Since ancient times, Aldra has been revered as a source of light and life for the sapient inhabitants of Alcanti, the star's name meaning "light" since ancient times. Southern Draconis cultures associated its life-giving light with paradise or divinity. In more advanced periods, it became an object of immense cosmological interest, with the Draconis deploying satellites to understand its nature. Some millennia after the Draconis became a spacefaring species, Aldra became the subject of massive engineering projects; namely the construction of Aldarinas in ID.18743 and expansion into a habitat in ID.42,791.

LeriagEdit

AldraDwarf
  • Orbit distance: 0.08 AU
  • Year Length: 15 Alcanti days
  • Average temperature: 525K
  • Atmosphere: None
  • Population: 210,450

The closest large orbital body to Aldra itself, Leriag exists within the Kovosian asteroid belt. As a result, its surface is heavily scarred by meteorite impacts but has long been an attractive operating nexus for asteroid mining.

The scorching heat and close proximity to Aldra and its location within Aldra's asteroid belt make it a naturally unattractive prospect for colonisation. Thus, for most of its life it has existed as a frontier colony, providing the rest of the system with materials mined form its core and asteroids. Colonists on Leriag have long felt unappreciated by the Grand Senate and the Alcanti Solar Council. This neglect has sparked protests that, until the expansion into interstellar space, had been known to harm Alcanti's local economy. With large amounts of imported material from across the Gigaquadrant, Leriag's importance waned to the point of being a minor colony that supplied a small amount of the material demand.

Because of relations, colonists on Leriag have longed to make the planet a home they feel comfortable on, and the surface is marked with attempted terraforming projects. What was more successful however, was settling Leriag's subterranean environment. Using mining equipment for asteriods and deep core mining, the colonists carved a labyrinthine network of tunnels into Leriag's bedrock, using the cooler subsurface to make themselves self-sustaining. The project gained interest by outside representatives who saw Leriag as a solid example of surviving underground, technologies used to make Leriag comfortable were later adopted and refined to make Imperial hive cities possible.

Leriag's success however was overshadowed by efforts on Mercis. Inspired by Leriag's performance, the mining and engineering company Stellar Core Fabrication dug tunnels towards into the crust of Mercis. The resulting cities eclipsed what was developed on Leriag, robbing the planet of its one chance for recognition. In a stroke of merciful luck, Leriag's subterranean cities - not becoming unknown by Mercis' success - are still visited by tourists who seek a less mainstream venue than Mercis' underground metropoli.

MercisEdit

Mercis
  • Orbit distance: 0.15 AU
  • Year Length: 43 Alcanti days
  • Average temperature: 712K
  • Atmosphere: trace helium
  • Population: 410,000

Orbiting at 0.15 AU, Mercis is the second closest orbital planetoid to Aldra. The planet is a cuiosity within the system as it possesses a 2,740km-diameter iron core with only 100km of rock as a skin. Effectively possessing some 85 quadrillion tonnes of iron, Mercis was abody of keen industrial interest, as well as scientific interest with some curious as to how disproportionately large the core is, with some speculation that there was an impact of apocalyptic proportions that stripped the planet of most of its surface and mantle.

In light of this theory, certain fringe groups have dubbed it "Mother Mercis," believing that the material scattered by the impact was later collected by other planets during their formation, forming the belief that Mercis was some progenital contributor to the material of all the inner planets.

Due to its vicinity to Aldra and its barren surface, Mercis has been left largely for the exploitation of mining firms and industrial giants, many of whom have moved on as iron was slowly phased out of major engineering projects in favour of lighter and stronger materials. The only other form of activity on the planet in current times is what goes on in shrines and sheltered communes dedicated to Mother Mercis

AnakisEdit

Anakis
  • Orbit distance: 0.8 AU
  • Year Length: 185 Alcanti days
  • Average temperature: 313K
  • Atmosphere: 74% nitrogen 31% Oxygen, 2% neon, 1% other
  • Population: 4.2 billion

Orbiting just short of the habitable zone, Anakis was a once-arid planet that was terraformed into a terrestrial paradise. The closer proximity to Aldra means that it receives more solar radiation than Alcanti or any of the other planets. Temperatures are kept regulated with cloud seeding and albedo control along with a weak passive planetary shield to protect against solar flares. Anakis is large enough to have a plate tectonics system which keeps the planet's innards active. The most volcanically-active region is a plate on the planet's southern hemisphere where Edinorkarvis - the largest volcano in the inner system - is located.

Colonised early on, Anakis had gained popularity as a benchmark for the early stages of extreme terraforming and habitability engineering (later surpassed by projects on the moons of Kalos and Tenniel), its closer proximity provided for the sight of a visibly larger and more impressive-looking Aldra, which caused tourists to flock to it even in the early periods of colonisation. Much of the planet's architecture has been designed to reduce the planet's ability to absorb heat; white limestone, silver and white marble are popular surfacing materials while the buildings themselves are maintained by climate-control units. Anakis is intentionally slightly warmer than Alcanti in order to draw tourists particularly interested in warm weather. The average global climate is often described as "warm but very cloudy."

Anakis' only moon, Coris, has similar technology on it that allows it to retain an atmosphere. The surface, while inhabited by some 40,000 individuals, is notable as the site of several early core mining and geoengineering projects.

AlcantiEdit

Alcanti SE
  • Orbit distance: 1.2 AU
  • Year Length: 360 Alcanti days
  • Average temperature: 311K
  • Atmosphere: 74% nitrogen 31% Oxygen, 2% neon, 1% other
  • Population: 36 billion

Considered the crown of the Imperium, Alcanti is one of the most politically and economically vital planets in the system as well as the Imperium itself. Known far-and-wide as the homeworld of the Draconis, with billions of visitors every year ranging from tourists to businessmen, merchants, politicians foreign dignitaries and a plethora of species from across the First Gigaquadrant. Along with hundreds of country estates, thousands of ancient and advanced metropoli and quiet yet modern towns and villages, Alcanti has historically been a showcase for new innovations, infrastructural projects and technologies.

The most notable projects include the planet's global shield generators, the Korun-Vurus Orbital Ring (which presently houses much of the planet's industrial capacity) and the orbital cities programme which presently houses some 12 billion inhabitants. Arguably the most famous location on the planet is Minos'Drakon; a city of some 200 million people living and working with its primary purpose as the throne of the Draconid Imperium, being the site of the Grand Senate and the Imperial Palace among other things.

The planet's orbital area is constantly abuzz with starships, shuttles and orbital stations and cities, making the space above the planet incredibly busy on a regular day. Beyond the industry and the gilded cities, the planet is a warm planet with immense biodiversity, large seas with ca range of local climates including temperate, tundra and desert regions spanning over two large continents and hundreds of islands and archipelagos. The local government has taken great pains to preserve the natural environment, taking advantage of the large areas of privately-owned land by using legislation and incentives to ensure nobles to tend to the environmental quality their estates. Like everything else showcased on Alcanti, this idea spread throughout the Imperium.

Orbiting Alcanti as a natural satellite is Arcaren. Originally barren it was terraformed after the scientific success on Anakis. The moon has over time been developed to act as both a luxury location for nobles to build their estates as well as acting as a fortress to protect Alcanti itself. Through use of both orbital and ground-based batteries, local authorities have worked to ensure Arcaren remains pristine and luxurious for its two billion inhabitants.

KalosEdit

Kalos
  • Orbit distance: 4 AU
  • Year Length: 2 Alcanti years
  • Average temperature: 185K
  • Atmosphere: 90% Hyrdrogen, 8% helium, 1% ammonia, 1% other
  • Population: 110 billion (across system)

A brownish gas giant that marks the unofficial boundary between Aldra's outer and inner planets, Kalos has long served as an important defense line and staging ground from Alcanti. While not as numerous in moons as other outer planets, the three large moons (the largest, Kavastor, being 1.5x the diameter of Alcanti) and the dozens of captured micromoons within its orbit helped to fuel the early colonisation of the star system. Populated by flying cities within the upper atmosphere and the vibrant deuterium-helium 3 mining industry scattered across its large moons, Kalos is one of the more populous orbital bodies within the Aldra system.

This jumping-off point also makes it a pivotal site of history for the expansion of the Draconis into the cosmos, the historic nature and ease of terraforming has helped fuel the planet's economy after further expansion allowed for asteroid mining in the Kovosian asteroid belt.

The sheer size of the moons orbiting Kalos, compared to the other outer planetary systems, make it a popular stop-off point for travellers and has earned it the nickname of Aldra Minor

SankisEdit

Sankis
  • Orbit distance: 4 AU
  • Year Length: 4 Alcanti years
  • Average temperature: 185K
  • Atmosphere: 90% hydrogen, 8% methane, 1% ammonia, 1% other
  • Population: 3 billion

One of two ice giants in the Aldra system, Sanikis was largely overlooked by business ventures due to its composition and lack of orbital bodies until the expansion of Hydrozoris Synthetics, which set up a number of water catalysers in its outer atmosphere to satisfy the increasing demand for water within the system.

Sankiris has been known as the bronze giant for the bands of highly reflective orange that mark its outer atmosphere as well as the lonely giant for the puzzling absence of moons and large asteroids. There was some tourist development for those interested in seeing the bands up close and analysing the atmospheric composition. And later its role as a midway point between the outer and inner planetary clusters made it an ideal exchange hub, promoting the construction of hundreds of orbital stations to cater to travelers going to and from the inner planets.

Most of the planet's potential importance however, has been overshadowed by by Orutukus.

OrutukusEdit

Orutukus
  • Orbit distance: 14 AU
  • Year Length: 16 Alcanti years
  • Average temperature: 94K
  • Atmosphere: 90% hydrogen, 8% methane, 1% ammonia, 1% other
  • Population: 125 billion

Considered the inner of two 'bright star' orbitals among Aldra's outer planets and the nexus of operations by outer planet organisations, Orutukus is a dense planetary system of nine large moons and five micromoons and captured asteroids. Through various terraforming efforts, many of these moons are habitable, possessing large cities with their ow networks of satellites and orbital stations. Orotukus itself, comparable in qualities to Sankis, is also heavily populated, with early companies making large profits off the materials found within the planet's rings.

The network of trade and industry in this planetary system have earned it a reputation as a commercial jewel, with some of the earlier companies setting up secondary headquarters and for some entire floating cities within Orotukus' atmosphere. This corporate gold rush can still be researched to this day, as some of the orbital cities descended into the lower levels of the atmosphere, but sometimes reemerging in the eyes of monitoring satellites as they slingshot the core. It is rumored that some companies, for whatever nefarious reason, have also dropped such complexes into the planet's inner bowels, to be crushed by pressures so great that oxygen becomes viscous.

ThevraEdit

Thevra
  • Orbit distance: 32 AU
  • Year Length: 31 Alcanti years
  • Average temperature: 75K
  • Atmosphere: 74% nitrogen 30% Oxygen, 2% water, 1% argon, 1% other
  • Population: 28 billion

Nicknamed Aldra's blue marble for its deep blue colouration, Thevra is an icy world a little more than half the diameter of Alcanti. Orbited by 15 moons, half of which are large enough to form into a sphere, Thevra historically represents the edge of the Aldra system and has often been romanticised as the boundary of the familiar (with Selemis being too far away and the two planets orbiting both stars at once being unknown at the time when such romanticism became popular) and has long existed as a frontier. This changed when terraforming techniques began to be perfected and Thevra was seen as a worthwhile candidate to develop.

Since the terraforming waves hundreds of thousands of years ago, Thevra's icy surface is now peppered with pockets of temperate comfort. Imported and artificially engineered plants along with atmospheric insulation technologies have created large tracts of fertility on the planet, while geothermal generators and greenhouse gases have been deployed en masse to worm the planet. One of the most peculiar sights on Thevra is the band of high-altitude clouds. At one time, companies tried to make Thevra habitable by artificially creating a thermal blanket. While later attempts using phasic shielding temperature currents were successful in giving the planet a warmer atmosphere, the atmosphere thickening attempts of early ventures can still be seen in trace amounts within the upper atomsphere.

On the surface of the planet itself, many of the largest cities are situated on or around mountains, locations which in the early days of seeding were the closest to bedrock. Some of these cities, such as Korturis, grew to cover entire mountain chains once the idea of exploiting the planet's natural resources became popular. Because these mountains could reach above Thevra's natural tropopause boundary, many of the cities (which due to terraforming no longer exist above the boundary) many of the cities retained the glass tunnels connecting the buildings, boulevards and skyscrapers, while the city towers themselves were heavily insulated and designed to support habitation within a vacuum. These techniques became ingrained in Thevran architectural ideas and continued when the planet became more friendly to Aldra-borne life, developing a reputation as Alcanti's twin by the poem Sisters of Aldra, in which the poet Alucos Sentirion wrote "To which do I enjoy more?|Alcanti's spires of gold and glass|or Thevra's towers of frost and silver?".

Thevra's architecture, stark blue surface and sky, pockets of warmth and abundant ice made it a haven for tourists in later years, expanding the population and promoting the planet's industrial sectors. This further promoted the image of Thevra asa frontier planet, historically giving the impression that it is the last bastion of civilisation before venturing into interstellar space.

SelenisEdit

Selenis

A type-M star with a fraction of the luminosity of Aldra, Selenis is a red dwarf star that serves as the closest nearby star to Aldra. Selenis' mass compared to Aldra means that it orbits the Aldra system. The star system is also a fraction of the scope, at most measuring 0.3 AU in diameter. Due to the dimmer light, the stars within the system are cast in a reddish hue, giving the impression of the Selenian system being somewhere hellish.

Selenis is dim enough for its features to be seen with the naked eye, like many stars however this is inadvisable for the eyes. The extremely short orbital periods of the planets within the system - between seven days and three months depending on the planet - have historically encouraged the adaptation of the standard Imperial calendar for daily vernacular, rather than the local seasons of the planets.

Because of the proximity of the Selenis system to Aldra, portions of Selenis' planets are illuminated at night over the course of Selenis' 150-year orbit, becoming the closest thing that Selenis 'residents may have to a season as the planets orbit perpendicular to Selenis' orbit path

ElevusEdit

Elevus
  • Orbit distance: 2.64 Gm
  • Year Length: 3 Alcanti days
  • Average temperature: 406K
  • Atmosphere: 90% hydrogen, 8% helium, 2% other
  • Population: 1.4 million

The closest orbital body to Selenis, Elevus is a 'hot giant', a gas giant that orbits within a star's frost line. Speculation on how it reached its present location have varied over the years, but the dominant theory is that it was thrown inward by another object, potentially Aldra.

Aldra has six moons, only one of which - Krasag - is large enough to be spherical. The intense heat fro mthe star make it a planet unsuited for comfortable life, settlements to collect deuterium and helium 3 have nonetheless been established within the planet's atmosphere and in orbit. There is a degree of tourism to be had as people are drawn to the sight of Selenis sunspot-marked as it rises over the planet.

SivannisEdit

Sivanis
  • Orbit distance: 4.44 Gm
  • Year Length: 7 Alcanti days
  • Average temperature: 388K
  • Atmosphere: 28% oxygen, 70% Nitrogen, 2% other
  • Population: 2.1 billion

Arguably the most populous planet in the Selenis system, Sivannis is a terrestrial planet that acts as the seat of the solar prefect for the star system. Originally a greenhouse-baked deert, terraforming efforts have thinned the stmosphere and extracted greenhouse gases to allow for a much more tolerable atmosphere. Despite these efforts however, the planet still remains naturally warm, relying on planetary-scale cooling methods in order to make the temperature comfortable for its occupants.

Due to its close proximity, Sivannis is tidally locked to Selenis, and to counter the extreme temperatures of the day side, many cities are built away from the closest point between thep lanet's surface and the star, resulting in the recation of a ring of cities temperature-controlled cities around a central inhospitable desert. The orange sunlight and permanent daytime make occupation of Sivannis a risky venture that millions have tried nonetheless, creating large sprawling covered metropoli on certain hot-spots across the day side of the planet.

The planet's night sdie is a different matter, where temperatures can approach close to the background temperature of space, and is sparsely populated aside from a few mining colonies set up to exploit the planet's resources.

MorennusEdit

Morennus
  • Orbit distance: 8.144 Gm
  • Year Length: 16 Alcanti days
  • Average temperature: 215K
  • Atmosphere: 90% hydrogen, 8% helium, 2% other
  • Population: 12 million

Another gas giant within the system. Although more favourable for colonisation due to being distant enough to not be scorshingly hot during the day. Moreanns became popular for the the extraction of deuterium and helium-3, encouraging the development of small colonies within the asteroids that orbit the planet. Like many locations, Morennus itself is home to numerous flying cities that orbit within the giant's outer atmosphere.

KhaestasEdit

Khaestas
  • Orbit distance: 0.084 AU
  • Year Length: 30 Alcanti days
  • Average temperature: 198K
  • Atmosphere: Trace carbon dioxide, atmospheric bubbles
  • Population: 238 million

Located at a distance where Selenis' features become hidden by its luminosity, Khaestas has long served as a mining colony to supply the populations of Sivannis. Like many of the planets in the system, it is bathed in a reddish light that gives it an orange tinge. However marking certain regions of the northern hemisphere are great black 'seas' like those of many selene planetoids. While Mhaestas' seas have drawn interest from the Imperium's geological community, Khaelas mostly goes unnoticed as another mining colony peppered with the occasional metropolis of people who cannot quite afford to live in the homesystem. Although sharing none of the comforts of Sivannis such as a warm surface, or even not being distant enough to have its own day-night rotation, Sivannis status as a rocky planet close to Alcanti was mostly prized during expansion eras as a home for the rising number of citizens desiring to live and work on Alcanti or any of Aldra's inner planets.

ToscanorvEdit

Toscanorv
  • Orbit distance: 0.084 AU
  • Year Length: 90 Alcanti days
  • Average temperature: 132K
  • Atmosphere: 90% hydrogen, 8% helium, 2% other
  • Population: 24 million

A third gas giant and the outermost body of the Selenis system, Toscanorv has historically been a stop-off point for Helium-3 collection by starships during the early interstellar years, which created a thriving merchant culture that supported the inner planets. Toscanorv's distance from its parent star illuminate it poorly, but this distance also deprives it of the orange tinge posessed by the system's other bodies.

Orbiting Toscanorv alongside a number of asteroids (all carved out during the years after coinisation), TOscanorv's orbit is littered with occupied and abandoned stations and satellites. Its remote stellar position in the system also make it an ideal spot for pirate havens, giving the planet's population a history with pirates.

Trans-Selenis objectsEdit

A few distant planets orbit both stars at once. However their distance from the stars (between 102 and 219 AU from the barycentre of the binary stars) gives them little light, and both are bathed in darkness. Their extreme distance has also made them famous for having orbit periods lasting millennia, with post-discovery Aldran cultures using their orbits for long-count calenders. Their locations however are not intimidating to all; being far from either star, the deep core region of Andromeda can easily be seen at any time of their days. Four icy planets are known to orbit both stars. The closer pair, Shivarus ant Otukoris, are known to orbit each other for various reasons including similar masses, close proximity to each other and distance from either star, their peculiar orbit paths around each other and around the stars have earned them the nickname of 'the dancing planets'.

ConstructsEdit

AldarinasEdit

One of the system's most remarkable projects, Aldarinias is the name used to refer to the thousands of orbital settlements and satellites orbiting Aldra to create a dual-layered spherical "cloud" of orbital objects which range from solar probes the size of a starfighter, to continent-sized stations.

Aldarinas started as an energy-generation project in ID.18743. Conceived as a huge network of satellites that orbited the star itself at a distance of 0.45 AU and utilising resources from throughout the system as well as frontier colonies, the 150-year project became a hallmark of the Imperium's success and power, allowing them to harvest the latent energy given off by the star and transmitted throughout the system.

Aldarinas was further expanded upon in ID.42,791. As more and more desired to visit Alcanti and live either in orbit or on the surface, the Aldra Solar Government faced a population crisis. Calling upon the resources the Imperium had a plan was devised to add a second layer to Aldarinas. This time building space stations to serve as orbital habitats instead of mere solar probes. The design of the stations also allowed them to collect energy, the development of the tachyon transfer grid allowed the Imperium to transmit excess energy to other systems that needed it. Unlike before, the stations - situated about 0.7AU out from Aldra - were built over a long span of time to suit the growing needs for accommodation. The first orbital continent however was not established until ID.123,714 and at present there are an estimated 38,000 orbital cities and 403 orbital continents housing an estimated three trillion inhabitants. Protected from solar flares and heating by powerful shielding and defended from attacks by powerful weaponry, citizens on these stations were able to have their every need attended to, especially after the advent of the quantum replicator.

Trans-Selenian GridEdit

Like Aldarinas, the Trans-Selenian Grid (or TSG) is a spherical cloud of satellites that surround a parent body. The primary difference is the TSG begins between Selenis' orbit and the outer planets, essentially having the satellites orbit the entire system rather than Aldra alone or any of the inner planets. The grid serves as both an early warning system and as a means of outer defense for the system, allowing the warships of the Imperial Talon Navy to be posted elsewhere. Over the millennia the grid has had a variety of different satellites built and are self-maintained to minimise the need for personnel.

Current installations include long-range hyperspace sensors, gravity well generators, ion laser batteries, missile berths and remote drone hangers. The TSG however was designed with the primary intention being as an early-warning system or as a means to protect the system from less critical attackers or smugglers or anything from less advanced civilizations rather than prevent a battlefleet from entering the system. When this occurs, scanners will transmit a report to the interior colonies where an ATB fleet is dispatched to deal with invaders.

There have been proposals however for all TSG satellites to be equipped with nonspecific shielding projectors to block approaching fleets. The idea being that the barrier would be projected in front of the fleet and would "move" across the surface of the network to prevent the attacking fleet from gaining access by going around it.

MiscellaniousEdit

QuotesEdit

A true marvel of order. The very mechanical nature of the motion of the planets and moons, combined with what sapaiens have built to create a rather harmonising synthesis of nature and technology. This combination alone, perhaps more brilliant than the existence of these constructs in the first place

- Tarsus Senvinus

The cradle of the Imperium. From here, our people spread their desire of organisation and civility amongst the stars.

- Lord-Admiral Larnus Vontarion

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