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Perhaps it came from reading the Imperial Armor books, or perhaps it came from reading Eisenhorn. Either way, I've got it in my head that designing a subsector of planets on a 40k fiction forum would be fun.

I ran a similar thread with awesome success, and now I'd like to see what the enterprising minds at Dakka have to offer!

This isn't a competition. It's simply a bunch of nerdy brains all churning out planets as settings for our war-games, fiction, etc. for kicks. I'll start 'er off and we can get going. Oh, also, points for building off of existing information! If someone mentions the Black Templars, say, you should feel free to work them into your own story if it fits. Once the momentum dies down, I'll make up a map (or someone else can if they really get ancy) and compile a list of major battles, evil xeno threats, heroes, villains, etc.

IVAN MAJORIX
Segmentum: Pacificum
Sub-Sector: Xanthus
System: Bel
Inhabited Moons and Planets: 2
Asteroids: Outlying asteroid fields (uncharted).
Comets: 1. Rothoy 938. Orbits Bel once every 129.3 years.




IVAN MAJORIX - PLANETARY SURVEY
Summary: In M40.084, Ivan Majorix was founded as a penal colony. After hundreds of incidents with the local Arbites and long and bloody civil war (M40.908-983), Ivan Majorix was officially re-designated as an agriplanet and stopped receiving prisoners from nearby worlds. All Adeptus Arbites were re-stationed to nearby planets, with the task of upholding Imperial Law uniquely handed over to the Death Strike chapter of Adeptus Astartes, for whom Ivan Majorix became a recruiting center.

Size: Equatorial distance – 6,100 miles.
Gravity: .98 G
Satellites: 0
Population: 23 billion (human and abhuman)
Climate classification: Cool Temperate.
Mean surface temperature: 19 C
Tropospheric Composition: Nitrogen 70%, Oxygen 21%, Carbon Dioxide 1%, Sulphur 0.1%
Climatic Regions: Polar Caps – Large northern and southern polar caps, unexplored.
Seas: Fully 80% of Ivan Majorix is covered in water.
Climatic phenomena: Drift from southern ice caps sometimes carried by trade winds to tropical islets, resulting in mass typhoons and "summer blizzards."
Flora: 12,000+ species cataloged.
Fauna: 900+ species cataloged. Some fish, eels, amphibians.
Economy: Tourism, farming.
Society: Martial Bureaucracy. Labor corp indentured workers guarded by Departmento Agriculturum garrison troops. There is a substantial mutant population among the labor corps. Death Strike space marines actively arbitrate local disputes when not on active duty.
Water Supply: Underground distillation plants built along the coast supply all of Ivan Majorix with water.
Principle Exports: Soy, Wheat, Protein, Iron, Rubidium.
Principle Imports: Fuel, Entertainment, Manufactured goods.
Food supply: Food is grown in hydroponic farms year round.
Urbanization: Nine hive cities. Various labor camps.

Imperial Guard Foundings: 1st - 49th Ivan Dragoons. 1st-5th Ivan Heavy Armored Artillery. 1st-4th Ivan Drop Troops.
Major Conflicts of Note:
+ Invasion by Ruinous Powers (M40.849). Death Strike chapter and Ivan Penal Legion successfully fend off an invasion by the Emperor's Children.
Est. 29,066,000 killed.

+ The War of Repossession (M40.908-983). Prison-riots led to eventual coup of government palace. Est. 1,022,030,000 killed.

+ Vtarlin Conflict (M41.589-593). Suspected cult activity in Hive Vtarlin leads to open rioting. Death Strike chapter at 1/10 strength, being active in the Hestian subsector in the Kolcacho Wars. Est. 2,304,506,000 killed.

I want to contribute, but oh does this look like a bit of a commitment to come up with so much good fluff.

Its very daunting and unfortunately I don't have the free time to commit to writing something fun like this at the moment.

It was fun to read, though!

SATORUM MINOR
Segmentum: Pacificum
Sub-Sector: Xanthus
System: Qatos
Inhabited Moons and Planets: 3
Asteroids: One outlying asteroid belt (Uncharted)
Comets: 3. Chang 72 (Orbits Qatos once every 267.5 years), Xeon 12 (Orbits Qatos every 51.7 years.) and Lamios 4 (Orbits Qatos every 17 years).




SATORUM MINOR - PLANETARY SURVEY
Summary: In M37.2, Satorum Minor was rediscovered, though it is known it was inhabited long before this, the identity of the original inhabitants has been deleted from all historical records. Satorum Minor is a large Moon orbiting the much larger ice planet Satorum Major. Upon rediscovery, it was colonised by a small civilian population and left to its own devices. The civilians built several thriving communities and have since become a largely populated feudal world. They have little contact with the rest of the Imperium except when ships arrive to collect Tithes from the world, and if they ever need military help. Occasionally adolescent males will be recruited by Space Marine chapters operating nearby, but even then little contact is made.

Size: Equatorial distance – 5, 900
Gravity: 1.004 G
Satellites: 0
Population: 1.3 billion (human and abhuman)
Climate classification: Polar
Mean surface temperature: 3 C
Tropospheric Composition: Nitrogen 74%, Oxygen 22%, Carbon Dioxide 3%, Sulphur 0.1%
Climatic Regions: The entire surface is cold, even the equator only reaches a maximum temperature of 13 C.
Seas: 63% of Satorum Minor's surface is sea.
Climatic phenomena: No notable phenomena studied.
Flora: 1, 200+ species cataloged.
Fauna: 450+ species cataloged. Primarily aquaticv with some land mammalians and avians.
Economy: Mining.
Society: Dictatorship ruled by a noble selected by the heads of noble families. They have their own security and PDF forces, but the height of their available tech is not much better than a laspistol.
Water Supply: Purified ice harvested from beneath the surface, or pumped from subterranean caverns.
Principle Exports: Iron, Adamantium, Steel and Titanium.
Principle Imports: Fuels, weaponry, foods.
Food supply: Food is mainly imported, but some supplies are taken from hydroponic farms and livestock, though not enough to sustain without additional aid.
Urbanization: Four feudal cities, twelve townships, and almost two dozen outlying camps and villages.

Imperial Guard Foundings: 1st-12th Satorian Strikers, 1st-6th Satorian Cavalry Division

Major Conflicts of Note:

+ Attacked by Waagh! Rotgut. Invasion repelled by 5th- 7th Satorian Strikers and 3rd Satorian Cavalry Division. (M39.6)

(I kinda' ripped off yours then adapted it to suit my own invented planet,I don't have time to write all that up.)

If you don't mind I'll make the Forgeworld for the Sub-Sector.
Extundra Media
Segmentum: Pacificum
Sub-Sector: Xanthus
System: Marculos
Inhabited Moons and Planets: 2





PLANETARY SURVEY
Summary: Extundra Media was discovered shortly after the Age of Apostasy. A fleet of mechanicus left on another quest to find a rumored STC construct, but instead all they found was Extundra, a planet rich in natural resources. They decided to create a new Forgeworld as their were none in the surrounding sectors. However due to the low Oxygen content in the air everyone is forced to wear breathing masks when they venture outside of the Factory hives.
Size: Equatorial distance – 6'500
Gravity: 1.002 G
Satellites: 1
Population: 10 billion
Climate classification: Sub-Tropical
Mean surface temperature: 23 C
Tropospheric Composition: Nitrogen 69%, Oxygen 15%, Carbon Dioxide 4%, Other gases 1%
Climatic Regions: The whole planet is a barren wasteland
Seas: 40% of Extubdra is covered by polluted seas and swamps
Climatic phenomena: Devastating Sand Storms in the Equatorial regions
Flora: None
Fauna: A few larger Predators that prey on each other
Economy: Production of weapons, Tanks, Munitions and Wargear
Society: Adeptus Mechanicus Elite rules over the lower worker classes. Everybody lives in the hives, however the lower regions are never visited by those higher up and stories of cults and mutants abound. The Adeptus Arbites have a strong force present to keep the workers in line and make sure the tithe is delivered on time.
Water Supply: Supplied from Ivan Majorix in gigantic freighters designed specifically for this task
Principle Exports: Wargear, Munitions, Weapons and Tanks
Principle Imports: Food, Water, Luxury goods for the ruling Mechanicus
Food supply: Delivered from offworld
Urbanization: 25 large Hive.Factories with many smaller hives spread across the planet

Imperial Guard Foundings: 1st-20th 'Tundran Mechanized, 1st-50th Extinguari Gangers, 1st-15th Extundran Skitarii
Major Conflicts of Note:
+In the middle of the 38th Millenium a massive army of mutants and cultists rose up from the depths of almost every hive of the planet at the same time and attacked the Adeptus Mechanicus Overseers. They were lead by a small Warband of Iron Warriors whose only goal was to take control of the world and manufacture Tanks for their Legion. The Deathstrike Space Marines and a Strike Force of Grey Knights came to the planets aid and thwarted the Chaos Space Marines efforts. Since then the Adeptus Arbites have kept a tight grip on the planet and ties with Titan have been established. The confilct also brought about the first Guard Regiment Foundings the planet had seen.

I hope you don't mind that I included your world and Chapter in my planet's history. Also Extundra Media means The middle forge in latin.

I don't mind in the least. Glad to see this topic finally get some love!

IVAN MINORIS
Segmentum: Pacificum
Sub-Sector: Xanthus
System: Bel
Inhabited Moons and Planets: 2
Asteroids: Outlying asteroid fields (uncharted).
Comets: 1. Rothoy 938. Orbits Bel once every 129.3 years.



IVAN MINORIS - PLANETARY SURVEY
Summary: In M40.078, Ivan Minoris was founded by writ of Cardinal Astral Virtuous LXII to be a monastery dedicated to the teachings of the Imperial Creed and, specifically, Saint Ivan of Terra. The Ecclesiarchy construced a single large city at Mons Juno to be populated by faithful pilgrims. Funds and grants exist for travelers wishing to partake in a lifetime of humble study.

Size: Equatorial distance – 4,250 miles.
Gravity: .70 G
Satellites: 0
Population: 9 million human
Climate classification: Cold desert.
Mean surface temperature: 9 C
Tropospheric Composition: Nitrogen 60%, Oxygen 5%, Carbon Dioxide 35%, Sulphur 0.1%
Climatic Regions: 98% Ivan Minoris is classified as desert, with the remaining 2% being blanketed by occasional drifts of "dry ice."
Seas: None.
Climatic phenomena: "Dry ice" snowstorms at poles.
Flora: None.
Fauna: None.
Economy: Tourism, sale of religious artifacts.
Society: Ecclesiastical province.
Water Supply: Imported from Ivan Majorix.
Principle Exports: Literature, manufactured goods.
Principle Imports: Water, food, fuel, entertainment.
Food supply: Food is grown in hydroponic farms year round.
Urbanization: One encapsulated city, Mons Juno.

Imperial Guard Foundings: None.
Major Conflicts of Note:
+ Invasion by Ruinous Powers (M40.849). While the majority of this conflict took place on Ivan Majorix, several tactical squads of the Death Strike chapter were dispatched to Ivan Minoris to deal with renegade space marine presence outside of Mons Juno. No civilians were killed.

Lastorick vi
Segmentum: Pacificum
Sub-sector: Xanthus
System: Noloch
Inhabited moons and planets: 1
Asteroids: none
Comets: 7 orbit Lastorick vi every 9 months.

Lastorick vi-Planetary survey
Summary: In M40 98 after fleeing several groups of regenade space marines the sisters of the sanctioned sword chanced open Lastorick vi. Initially they set up several monastries and training grounds over the planet. When one of the order was declared a saint after being killed saving the lives of 400 guardsmen. millions of preachers and pilgrims flocked to the planet and several hive cities were made.

Size: Equatorial distance-3500 miles
Gravity:65g
Satellites:0
population:7 million human
climate classification: sub-tropical
Mean surface temperature: 25c
Tropospheric composition: Nitrogen 54%, oxygen 11%, carbon dioxide 35%.
Climatic regions: 94% jungle, 6% scrubland.
seas: none
climatic phenomena: pockets of vacum within atmosphere.
Flora: 5000+ cataloged
Fauna: 2000+ cataloged
Economy: Tourism,sale of religous artefacts, sale of rare animals and plants
Society: Ruling class of sisters of battle.
Water supply: Taken from rivers on the planet.
Principle exports: Holy texts, Chainsaws.
Principle imports: Food, Iron.
Food supply: Food is imported or grown on the planet.
Urbinization: 5 Hive cities, numerous monasteries.

Imperial guard foundings: 1st-79th Lastorian disciples, 1st-43rd Lastorian amoured regiments.
Sisters of battle convents: 273 including the order of the Sanctioned swords and the order of the holy scriptures.
Major conflicts of note: Dark Eldar invasion (m40 972) 2 million civilians killed or taken prisoner.

Google is a great thing Ill try my hand at this planet making and expand a little.....

Tsar VII
Segmentum: Alanticium
Sub-sector: Cacasus
System: Tsar
Planet and Moons: 13 (9 planets, 4 moons)
Asteroids: 2, created form the destruction of Tsar III, now inhabited by Imperial Excavators
Comets: The 'Newcoming', appears every year to signal the beginning of harvest. No record of it after 40.2
___________________________________________________________________________________________________________________
Planetary Records/Survey
Tsar VII was a bloodshed planet, exposed to much fighting during the Horus Heresy and its scars remain there today, untouched by the blessings of Chaos. Tsar VII was liberated by the legendary first Blood Raven company in 39.451. In the mountains of Ural, the largest section of the planet, the colonists erected special statues to honour the heroes of the campaign.
Tsar VII was then hit by snowstorms of unknown orgin in 40.2, destroying its outport of crops to other planets and sending it into a planet-wide poverty. It's economy was re-established in 40.57 after miners found stones, nicknamed Emperor Stones for its bright, golden color.
The wealthy of the planet live in the tundras and temperate plains of the planet. They consist of Merchants, CEO's, and Governers.
The middle-class live in the tundran undergrounds, many becoming peddlers and merchandisers. They consist of all civillians
The low-class people, however, were moved into the mountains to work as miners and slaves of the overseers. They contain miners and slaves.
_____________________________________________________________________________________________________________________
Size, in Primitive kilometers: 34,563 KM
Climate: Hail, Cold Rain, Snow
Population: 13 million civillians, 5 million slaves/miners
Classification: Imperium-Economy Planet
Main export(s): Emperor Stones, Water (for restoration effort)
Main Imports: Food, Thermal-Intensifers, Clothing
Common Fauna (Before Planetary diaster): Nork, a large, green deer species; Kiazix, Medium sized bird species with 6 ft. wingspan, and Bok, a Small fish species with rumoured medicinal uses in its blood.
Flora: none
Temperature: -248 farenheit (can't do C*)
oxygen source: Terraformation Towers built above surface with TechPriests and Servitors. Made specially for Tsar VII to filter snow and ice. Needs constant maitenance
Climatic Diasters: Freak Planet-Wide Blizzard that forced inhabitants underground
Tropospheric Compostiton: 36% Hydrogen, 9% Carbon Dioxide, 65% oxygen, rumoured 4% frozen oxygen adrift
seas: all seas frozen
Society: About 3/4ths of the Population is Merchantilsm, or believe in economically strengthening the Imperium. The rest is neutral.
Urbanization: 3 main hives- Capital-Mossow, Commercial-Vega, Living Colony- Tork
Important builds: Expansive underground transportational system linked to all the colonies. Also, undeerground-surface hangar bays to recieve imports or to ship out exports
Guard Findings: 1-4th Eskinomal Arbite companies
____________________________________________________________________
Conflicts-(during Horus Heresy)
Battle of Ural- Led by Commander vun Einholt and Chaplain Collics, The Blood Ravens attacked one of the major strongholds of the traitor legions on planet. Chaplain Collics died while distracting the Chaos Marines for the vun Einholt to kill the leader of the Chaos stronghold. About 13,000 marines lost their life. Chaplain Collics is one of the statues in the Ural region.

Battle of Kursk I&II- Mechanized legions were spearheaded against each other in possibly the largest Tank battle in the history of the Imperium. Due to the loss of so many men, the Space Marines retreated. About a standard month later, they attacked again and destroyed the mechanized army of the Chaos forces. Estimated 35,000 tanks lost and 2,300 marines died.

Defense of Stalingrad- In an attempt to advance forces into the Space Marine territories, the Chaos forces attacked several fuel processing plant in the Urkrania section of the planet. It was there that the first usage of sniper rifles were used on the planet. After knocking down the walls, the chaos forces severely attacked the marines with tanks and a secret unit, the Spinning Dagger, an artillery based tank that shot spiralling rounds to knock down key structures and walls. The Space Marines held their ground until reinforcements arrived and attacked the force from behind, catching them off guard, and demolished the chaos forces. This was a signal of the end of the war with the chaos forces on Tsar VIII.
_____________________________________
Hope you enjoy my planet
P.S. I tried to get a planet but google wouldnt let me. sonvua
P.S.S This was harder then I thought at first

Also, if you didn't realise it, almost everything is based on Russia. Tsar is a type of Russian commander. So isnt Commisar(like i said, google is a great thing)

We've got a nice ball of fluff started so far! One bit of contention: Blood Ravens weren't a chapter during the Horus Heresy. Other than that, nice stuff War Pigg!

To summarize:
Planets:
Tsar VII - civilized world
Lastorick VI - ecclesiastical hive world
Extundra Media - forge world
Sartorum Minor - feudal world
Ivan Majorix - agriplanet with penal colony history
Ivan Minoris - shrine world
Agmon Quin - feudal world
Deus Vallo - hive world

IG Regiments:
Ivan Dragoons
Sartorian Strikers
Sartorian Cavalry
Tundran Mechanized
Extinguari Gangers
Extundran Skitarii
Lastorian Disciples
Lastorian Armoured Regiments
Agmon Mechanized
Deus Vallo "Hunters"
Deus Vallo Light Infantry
Deus Vallo Heavy Infantry
Deus Vallo Light Cavalry
Deus Vallo Heavy Cavalry

Other Imperial Forces:
Order of the Sanctioned Sword (Lastorick)
Eskinomal Arbites (Tsar VII)
Death Strike Adeptus Astartes (fleet based)

Xeno Scum:
Dark Eldar
Orks

Wow! Great work so far everyone!

Agmon Quin
Segmentum: Pacificum
Sub-sector: Xanthus
System: Grekka
Inhabited moons and planets: 1
Asteroids: Astroinds surround the entire system
Comets: 0

Agmon Quin-Planetary survey
Summary: While fleeing persecution, a band of rouge traders landed on Agmon Quin and created a small outpost to hide from imperial law. The world is pockmarked with craters and tunnels throughout the planet. Caverns and chambers are continually being discovered.
equatorial distance-1500 miles
Gravity:.60g
Satellites:3
population:100 million humans
climate classification: sub-tropical
Mean surface temperature: 20c
Tropospheric composition: Nitrogen 45%, oxygen 34%, carbon dioxide 20%, .sulfur 1%
Climatic regions: 42% volcanic mountains, 58% tropic forest.
seas: The eqitorial and polar seas
climatic phenomena: The three seas are perfectly symmetrical, and the two polar seas have opposite directional currents. .
Flora: All the plants are red to yellow in color. (rouge traders do not keep detailed records)
Fauna: a grox like creature, as well as many rodents.
Economy: Illigal trading and the trade of Xeno artifacts found on the planet
Society: The society is a motley republic of rouge traders. .
Water supply: Taken from freshwater seas on the planet
Principle exports: Xeno contraband
Principle imports: Xeno technology
Food supply: Food is imported or taken from native grox
Urbinization: dozens of spaceport settlements

Imperial guard foundings: 1st company Agmon mechagnized
System navy: 200 “Imperial” spacecraft and three dozen orbital defense platforms
Major conflicts of note: The inquisition demolished what was thought to be Agmon Quin, but in fact demolished its closest moon. The error has never been fully understood.
The siege of a hundred years. Imperial navel forces were held at the outer asteroid belt for one hundred years. When the navy broke through the asteroid belt, millions of “hostages” welcomed them with parades and feasting.

Deus vallo

Segmentum: Pacificum
Sub-Sector: Xanthus
System: Dranos
Inhabited Moons and Planets: 2
Asteroids: None
Comets: 1: "Diabolus" appears every 5.2 years




- PLANETARY SURVEY
Summary: Deus vallo was founded by the Imperium in M40.095. The planet is a cold and harsh frozen wastleand, the planet was founded as a Hive World for the vast population of the Imperium. The planet has earned a grim reputation and history which involves oppression, corrupt politicians, wars and murder. Despite this the planet's imperial guard regiment along with the Adeptus Arbites have managed to keep the planet under control and held the population under constant fear and oppresion.
Size: Equatorial radius – 6.500 KM
Gravity: 1.002 G
Satellites: 2 Moons
Population: 20 Billion
Climate classification: Polar
Mean surface temperature: -30C
Tropospheric Composition: 78.08% Nitrogen, 20.95% Oxygen, 0.93% Argon, 0.038% Carbon Dioxide, About 1% Water Vapour
Climatic Regions: 80% frozen seas, 10% tundra, 10% mountain ranges.
Seas: 80% (Frozen)
Climatic phenomena: Constant blizzards and snowstorms all year around.
Flora: None
Fauna: 200+ cataloged, mostly land mammals.
Economy: Tourism, Military and export of arctic fauna.
Society: Council of the planets highest ranking officials, General of the army, master of the fleet, rogue traders, high lords etc
Water Supply: Harvested from melted tundra and filtered through factories.
Principle Exports: Exotic fauna, water, iron, coal.
Principle Imports: Mining equipment, entertainment.
Food supply: Grown in heated farms and through hunting and preservation.
Urbanization: 10 hive cities, 5 military bases, 2 military training facilities, 1 space port.
Imperial Guard Foundings: 1st-5th "Hunter company", 1st-60th light infantry, 1st-10th heavy infantry, 1st-20th light & heavy cavalry.
Major Conflicts of Note:
+ The Rebellion of Turium:
A rebellion of a hive city that was short lived. The inhabitants of Hive Turium rebelled and almost converged upon the planet but outside the city were the 25th light infantry company. They opened fire upon the thousands of rebels resulting in a bloody massacre. In the end the rebellion was all for nothing. The bodies of the rebels lay frozen under the snow still in the state they died in.
Planet forces casualties: 0 Enemy casualties: 750,000 POW: 25 inducted into labor workers.

Awesome.

Non-Imperials can feel free to add their take. I'd love to see some shrouded Eldar presence =)

Updated previous post to include new info.

Can't help pointing out that War Pigg's post features Blood Ravens fighting during the Horus Heresy (Ravens meant to date back to 'hundreds of years' prior to M37, whilst the Heresy was M31ish . I know they're mysterious and all that, but they're not THAT mysterious.

Barrabus

Segmentum: Pacificum
Sub-sector: Xanthus
System: Sioux
Inhabited moons and planets: 1
Asteroids: none
Comets: none

Planetary survey: Attention - Deathworld
Summary: Barrabus is classified under Leidekker's Deathworld Hostility Scale as rating 48. A vast planet consisting of megatyphoon wracked oceans seething with superpredatory lifeforms and hundreds of jagged island chains around it's equator constantly lashed by the endless stormy conditions. Only one landmass is worthy of note, Ominous Pinnacle and it is there the Imperium constructed the most feared prison in the entire Segmentum, The Serena Prison Mine.
Size: Equatorial distance-48000
Gravity:65g
Satellites:3
population: 1.8 million human/abhuman convicts and prison staff.
climate classification: temperate to arctic
Mean surface temperature: 8C
Tropospheric composition: Nitrogen 44%, oxygen 26%, carbon dioxide 30%.
Climatic regions: 4400 minor islands, 1 significant landmass all located on the equatorial belt.
seas: Universal covering ocean

climatic phenomena: Megatyphoons, tidal waves, giga-lightning, stone-flaying winds.
Flora: 11 species lichen terrestrial, 14,000+ algae/aquatic vegitation.
Fauna: 4 species athropod type terrestrial, 9,400+ aquatic species
Economy: Not Applicable.
Society: Tribes of prisoners ruled over by well equipped guards(human supported by Ogryn).

Water supply: Fresh water collected from perpetual rain run-off.
Principle exports: Promethium.
Principle imports: Prisoners.
Food supply: minimal rations imported.
Urbinization: Serena Prison-mine over which the Guard Fortress sits, mine is honeycombed and prisoners inhabit.

Imperial guard foundings: Once per year, an Imperial frigate stops at Barabbus, guards are rotated and prisoners may compete in gladiatorial combat for the chance to join a penal battalion and be taken when the ship departs. Most such recruits are destined for frontline activities in low survival probability campaigns eg tyranid hive fleet incursion.
Major conflicts of note: none.

Awesome!

I was hoping someone would do a prison planet. Barrabus seems so utterly miserable. Reminds me of Alien 3.

Thought i would try to keep this post going




Divum Terra

Segmentum: Pacificum
Sub-Sector: Xanthus
System: Nimbus
Inhabited Moons and Planets: 2
Asteroids: None
Comets: None



- PLANETARY SURVEY
Summary: Divum Terra was founded as a shrine world for pilgrims and missionaries loyal to the emporer. The planet was founded shortly after the age of apostasy after an inquisitor lord saw that the natives of the planet were looking for something to "believe" in, a god, omen or even saints. The natives were technologicaly advanced but had lost faith oveer the centuries. The inquisitor lord thought it was his duty to teach the natives how to believe in the Emperor and to show his devine power. In time the planet came under complete Imperial control and was converted completley to the Ecclesiarchy and turned itself into a shrine world covered in shrines temples and home to thousands of pilgrims and missionaries all year round.
Size: Equatorial radius – 6.500 KM
Gravity: 1.002 G
Satellites: 4
Population: 8.9 billion
Climate classification: sub-tropical
Mean surface temperature: 30C
Tropospheric Composition: 78.08% Nitrogen, 20.95% Oxygen, 0.93% Argon, 0.038% Carbon Dioxide, About 1% Water Vapour
Climatic Regions: 25% Ocean, 75% sub-tropical
Seas: 25% of planet is covered
Climatic phenomena: Forest fires are common and humidity "storms" which can kill through overheating.
Flora: 4000+ cataloged
Fauna: 7000+ cataloged
Economy: Tourism, sale of religious artifacts, production of holy weapons and ammunition.
Society: Council of Inquisitor Lords.
Water Supply: Taken from rivers and lakes.
Principle Exports: Holy artifacts, Blessed weapons, exotic animals and plants, food
Principle Imports: Pilgrims and missionaries, luxury goods for councilers and lords.
Food supply: Hunting, conservation and farming
Urbanization: Three shrine cities, Twenty smaller settlements, 50 outposts and 100 small military camps.
Imperial Guard Foundings: 1st-20th Divum Regular Infantry, 1st-5th "Relic Guard", 1st-10th Divum Armored company.
Major Conflicts of Note: None

Mocharvia IV
segmentum:pacifum
sub-sector:ballotus
system:ultima
inhabited moons/planets:1
No comets pr asteroid activity recorded since 38 millenium
Mocharvia IV Survey
Mocharvia IV was found by a contingent of Ultramarines. Soon a society and a hive city was found in the northern continent but it wasnt soon before the newly found planets was attacked. Thousands of Traitour Marines launched a massive assault on the planet during the Horus Heresy but this was stopped only by the faithfull Saint Lauren and a few hundred female gaurdsmen. Ever since the planet has been at constent threats from Orks, Tyranids and Traitours but thankfully the Ultramarines are always there to help.

size:7100 kilometres
gravity: 98 g
population: 18 billion
climate: mediteranean
average tempreture: 23' C
Climate Regions:Jungle 12%, Ash Waste Desert 34%, Ocean 54%
Flora:1500+ species
Fauna: 9000+ species including tamed Ularian Dinosaurs
Economy: Miliatary and Farming
Society: Ruled by The Lord Governer who reports directly to the Ultramarines. Some say the current Lord Governer Hogan is corruptly influenced by the illegal downtown gangs.
Water Supply: Desilantaed from Oceans
Principal Exports:Lasguns/bolter guns and various wheats.vegetables and animals
Principal Imports: Farming Slaves and Random Things
Fodd Supply: Grown on Farms
Urbanisation: 2 Hive cities and smallet farming towns
Military Foundings:1-8th Mocharvian Rifle Infantry, 1-3rd Mocharvia Drop Guard and 1st Mocharvia Tanks
Major Conflicts:
Goerling Heresy(m38.849-m39) 1st Mocharvian Drop put down Heretical Leaders in the Goerling System.
Raids by Craftworld Janz(m40-m40.783) 5th Mocharvian Rifle Infantry fully wiped out by Elder.
WAAAAGH!!! Kalanus(m38-m40) WAAAAGH! fully destroys 1st Mocharvia Tanks and 2nd Mocharvia Drop
Battle for Filiona: While rest of gaurdsmen help Ultramarines, St Lauren leads 350 female guardsmen against 290000 chaos space marines. During Horus Heresy.

Current Conflicts: All out war against Hive Fleet Leviathan

By the way asewome forum hope it keeps going

Cruor Fontis

Segmentum: Pacificum
Sub-sector: Xanthus
System Noloch:
Inhabited planets/moons: 1
Asteroids: none
comets: none

Cruor Fontis has a two large suns casting it in a blood red light. Thousands of years ago a large group of the the elite upper class, practised a warped version of the temple of the saviour emperor, which included blood sacrifice and almost chaos like rituals. When the nobles cast off the shackles of the imperial truth a new space marine chapter was detailed to the planet. The Blood Brothers struck in a rage of battle thirst, destroying whole hives overnight. Eventually the Blood Brothers claimed Cruor Fontis as their Home world.

Size: 6900 km
gravity:88g
population:4 billion
Climate: 35c
Flora: 400 +
Fauna: 1000+
Economy: Military
Society: Ruled by the Blood Brother
Water supply: drained from deep underground shafts
Principal exports: guardsmen
Food supply: Naturaly grown
Urbanization: 1 underground hive
Military foundings: 1-6th Cruorian drainers, 8-120th Cruorian brothers

Glad to see this thread is still alive. Here's an updated list of Planets, Militaries, etc.

Note that we have quite a lot of Imperial Guard regiments!

Lasgunassassin also graced us with a war against Hive Fleet Leviathan, currently being fought at Mocharvia (mok-AR-vee-uh?). My guess is that the Cruorian Brothers, being the largest Imperial Guard denomination in the subsector, will be fighting alongside the Blood Brothers, Ultramarines, and Sisters of Battle to keep those people from becoming biomass!

Planets (12):
Tsar VII - civilized world
Lastorick VI - ecclesiastical hive world
Extundra Media - forge world
Sartorum Minor - feudal world
Ivan Majorix - agriplanet with penal colony history
Ivan Minoris - shrine world
Agmon Quin - feudal world
Deus Vallo - hive world
Barrabus - penal colony
Divium Terra - ecclesiastical shrine world
Mocharvia IV - hive world (ash waste)
Cruor Fontis - civilized exotic / astartes recruitment world

IG Regiments (20 different regiments, 556 regiments total):
Ivan Dragoons
Sartorian Strikers
Sartorian Cavalry
Tundran Mechanized
Extinguari Gangers
Extundran Skitarii
Lastorian Disciples
Lastorian Armoured Regiments
Agmon Mechanized (smallest @ 1 Regiment)
Deus Vallo "Hunters"
Deus Vallo Light Infantry
Deus Vallo Heavy Infantry
Deus Vallo Light Cavalry
Deus Vallo Heavy Cavalry
Barrabus Penal Legions
Divum Regular Infantry
Divium "Relic Guard"
Divum Armored
Cruorian Drainers
Cruorian Brothers (largest @ 120 Regiments)

Other Imperial Forces (2):
Order of the Sanctioned Sword (Lastorick)
Order of the Holy Scripture (Lastorick)
Eskinomal Arbites (Tsar VII)

Legios Astartes (4):
Death Strike (fleet based)
Ultramarines (maintain servitors at Mocharvia IV)
Blood Ravens (possibly Blood Angels - there seems to be some confusion as to the veracity of these records, as said events occurred many millennia ago)
Blood Brothers (Cruor Fontis)

Xeno Scum (3):
Dark Eldar
Orks
Tyranids (currently engaged at Mocharvia IV)

YEATHAN - PLANETARY SURVEY
Summary: Discovered circa M40.800, Yeathan originally thought to be a paradise with an oxygen-nitrogen rich atmosphere and a developed ecosystem. However, microorganisms present in all aspects of the ecosystem caused early explorers to enter a state of acute anaphylactic shock. In other words, Yeathan would be perfect, if not for the fact that humans were deathly allergic to it. Yeathan was abandoned for colonization.


Size: Equatorial distance – 10,100 miles.
Gravity: 1.34 G
Satellites: 1
Population: none
Climate classification: Tropical.
Mean surface temperature: 37 C
Tropospheric Composition: Nitrogen 67%, Oxygen 27%, Carbon Dioxide 6%, Sulphur 0.1%
Climatic Regions: Yeathan is largely unexplored.
Seas: Fully 90% of Yeathan is covered in water.
Climatic phenomena: Close proximity to parent star results in nearly 100% global humidity. Severe typhoons and constant rainfall impede further efforts at colonization.
Flora: 130 species cataloged.
Fauna: 233 species cataloged.
Economy: None.
Society: None.
Principle Exports: None.
Principle Imports: None.
Urbanization: None.


Recently (330999.M41) the Imperial Military has become aware of two separate breeds of tyranid fighting for Yeathan. This has prompted the Ordo Xenos to commission a taskforce to study the reasons for this conflict. The Ordo Xenos hopes to discover something in Yeathan's climate to account for the schism between these tyranid organisms and to weaponize it.

The challenge of establishing and maintaining a safe base of operations, plus supplying said base with enough anti-allergen treatments to effectively combat the inhospitable ecosystem cannot be understated.

YEATHAN TASK FORCE
Inquisitor Lord Vorheed Galleus + household
Ordo Xenos Deathwatch Taskforce (20 Marines)
Blood Brothers 4th Company (42 Marines, 10 [classified] Vehicles, Strike Cruiser Last Stand.
4th Divian Regulars (4,000 soldiers)
12th Divian Regulars (3,493 soldiers)
5th Sartoran Strikers (2,992 soldiers)
99th Catachan (3,209 soldiers)

Kulan

Segmentum: Pacificum
Sub-Sector: Xanthus
System: Noloch

Kulan is a pleasure world for Imperial nobles, the planet has large palaces, beautiful gardens and surplus amounts of drugs and pleasure girls.

size: 8000 miles
Gravity: 90g
Population: no records (to many unrecorded births)
climate: 20C
Flora: 79000+
Fauna: 8600+
Economy: Pleasure
society: ruled by a council
water supply: on world
Principal exports: none
Principal import: drugs, rare plants and exotic animals
Food supply: grown on world
urbanization: large country mansions and palaces. one hive for commoners.
Military foundings: 1-176thKulan conscripts(illegitimate sons) 1st royal riders(nobles) 1-9th eternal guard

Koyvaan

Segmentum: Tempestus
Sub-sector: Naun
System: Opakoq
Inhabited planets/moons: 2
Asteroids: none
comets: none

Summary: A military planet in this system. The home of the Death Dragon Marines. This system has seen many war since it was first discovered. It's orbiting moon is a agri world were most of the food supplies come from. The planet has fought against Ork Waaaaghs! and some Eldar attacks.

Size: Equatorial distance – 9,948 miles.
Gravity: 1.62 G
Satellites: 1
Population: 6.2 Billion
Climate classification: Wastland
Mean surface temperature: 38 C
Tropospheric Composition: Nitrogen 55%, Oxygen 20%, Carbon Dioxide 24%, Other 1%
Climatic Regions: Water 53%, Mountainous 25%, Jungle 10%, Plains 12%
Climatic phenomena: Volcanoes erupt at least once a week but are not dangerous.
Flora: 9,500+ species cataloged.
Fauna: 5,000+ species cataloged.
Economy: Military.
Society: Ruled by the military commander of the Imperial Guard who reports to the Death Dragon Marines.
Principle Exports: Weapons, tanks, other military supplies.
Principle Imports: Food.
Urbanization: 5 Hive cities.
Military foundings: 1-100th Koyvann "Killers", 1-25th Koyvaan armored, and 1-12th Koyvaan Riders.
Major Conflicts:214
Eldar from craftworld Gikaioq (M39.243) Death Dragons able to defeat small group of warriors but they rest got away.
Waaaagh! (M39.692) The Death Dragons and Koyvaan Guard stop Warboss Ghazzhogg.

Al Ichkeria
Segmentum: Pacificum
Sub-Sector: Phasos
System: Lita
Inhabited Moons and Planets: 2


Al Ichkeria - PLANETARY SURVEY
Summary: In M36.4, the planet was rediscovered by a rogue trader expedition fleet. Initial reports suggested a clan based warrior social structure with democratic principles in place. All ground personel were lost when the leader of the ground party offended the clan chief of the Al Jubal clan. 1700 colonists and mercenaries were killed. The planet was moved to a side note until the Knights of the Emporers Fury space marine chapter came in M39.2. The clan based structure of the planet was exactly what the young chapter was looking for and settled on the planets nothern continent. The majority of clans sent delegations to the knights and recruiting began with four years. With the arrival of the knights came advancements in technology that had been lost and unable to be produced on the planet for many centuries. Heavy use of servitors became the norm as the majority of men on the planet considered themselves above farming and mining. The planet has become rich off the resources within the mountains that could not previously be mined.

Size: Equatorial distance – 5, 900
Gravity: 1.004 G
Satellites: 1
Population: 48/15 mil human/servitor
climate classification: Cold Mountainous
Mean surface temperature: 7 C
Tropospheric Composition: Nitrogen 76%, Oxygen 20%, Carbon Dioxide 3%, Sulphur 0.1%
Climatic Regions: The majority of the planet is mountainous or covered in open plains. Some hard wood forests exist on the northern continent and the extreme southern.
Climatic phenomena: No notable phenomena studied.
Flora: 700+ species cataloged.
Fauna: 450+ species cataloged.
Economy: Mining Farming Weapons Manufacturing
Society: Clan based. Still based around many small villages with a few larger towns having been built since Knights arrival. Largest city Grozny pop: 19500
Water Supply: Primarily rivers and several small desalinization plants that have been built around costal town.
Principle Exports:Adamantium Steel Titanium Agricultural Products Weapon Systems
Principle Imports: Negligable
Food supply: Primarily grown on world. Some import of livestock.
Urbanization: 12 small cities 189 static town 400-800 "moving" towns

Imperial Guard Foundings: 1st Armored, 2-8th Light Infantry, 9-21th Ichneria Armored Cavalry,
Nearly all men under arms in some fashion. Each clan provides strong cadre of soldiers to serve 4 year term with Knights. All soldiers have the option to serve longer terms. All men who are able will begin service before their 21th birthday. Over 7 million trained men that can be called up in case of extreme emergency.

Space Marine Chapter: Knights of the Emporers Fury: 1087

Major Conflicts of Note:
None on world
Particiated in Hollander crusade where the 2nd Light Infantry and the 18th Armored Cavalry distinguished themselves in their support of the Knights 2nd and 4th companies. During the siege of Ossetia the Ichkerian force suffered 68% losses but continued the assualt. 17 million renagades were killed after the walls were taken

merposa 3
Segmentum: Pacificum
Sub-Sector: Xanthus
System: merposa
Inhabited Moons and Planets: 3
Asteroids: one belt sorounding the system.
Comets: none

merposa 3-planitary survey
Size: Equatorial distance – 6,100 miles.
Gravity: .98 G
Satellites: 0
Population: 2 billion (human and abhuman)
Climate classification: cool Temperate.(think modern day ohio.)
Mean surface temperature: 11 C
Tropospheric Composition: Nitrogen 70%, Oxygen 21%, Carbon Dioxide 1%, Sulphur 0.1%
Climatic Regions: Polar Caps – Large northern and southern polar caps, inhabited by astres fortress monistary of imperial paladins.
Seas: about 60% of merposa 3 is covered in water.
Climatic phenomena:
Flora: 20,000+ species cataloged.
Fauna: 900+ species cataloged. most are mammals and birds.
Economy: agriculture and self sufisant industryl production.
Society: ruled by dugul family, civilan population made of equal parts small townpeople and big city dwelleres. although the small towns and big citys dont agree much as far as politics they will rally together in times of crisis.
Water Supply: water supply is fed from lakes, wells and on the coast of the ocens desalination plants.
Principle Exports: corn, soy and coal.
Principle Imports: oil, metal, entertainment.
Food supply: Food is grown on farms during spring summer and fall.
Urbanization: five hive cities. Various small towns.

Imperial Guard Foundings: 1st - 75th merposan infantry. 1st-3rd merposan Heavy Armor. 1st-2th merposan artilery.
Major Conflicts of Note:
+purging of merposan chaos cult m39 573-575: inquisitor alexander degul using the a requisitioned squad of death kops of krieg grenideirs and merposan units sucesfully purged large chaos cult from merposa without a single inocent person was killed by the inquisitors men. (this is actualy true there was no cover up of any inocent deaths.) because of the inquisitors popularity with the local people the imperial paladins steped down as leaders of merposa and alexander was instaled in their place.

You might want to take a look at the Anargo Sector Project for some ideas on that. We've been working for a couple of years now to create an entire Imperial sector in full detail.

Check out our explore site, only a few systems have been uploaded so far (in the Anargo subsector) which you can find here:
-Anargo system
-Camulos system
-Delphinus system

More stuff is still upcoming, it's just that the uploading process isn't going so fast, we could always use more help with that by the way!

This one's been in my head for awhile, I had originally designed it for a Role Play on another forum.

Abhaal
Segmentum: Pacificus
Sub-Sector: Xanthus
System: the Sabbat Worlds
Inhabited Moons and Planets: 1
Asteroids: -
Comets: 3, Hadrian, Jerel, Dagon


ABHAAL - PLANETARY SURVEY
Abhaal was originally inhabited by the Dark Eldar but was captured by the Imperium in M40.740. Abhaal was ruled by a strict Theocratic regime known as Imperiosus Pietas (or Imperial Devotion) up until a terrible Tyranid invasion in M40.968 when Hive Fleet Dagon (named for the comet that orbits Abhaal every ten years). The planet was plunged into a thirteen year nuclear war with the Tyranids, forcing the citizens of Abhaal into the caves and tunnels beneath the surface. The planet was once a relatively fertile world, however since the Tyranid invasion it is dead and barren. The world is ruled by gangs, the most notable of which is the Chaos Cult known as Nemesis (named for the Chaos Lord Kaigan the Nemesis who invaded Abhaal in M40.755.)

Size: Equatorial distance – 5,233 miles
Gravity: .93 G
Satellites: 4
Population: 13 billion (55% Tyranid, 25% Imperial, 10% Chaos Cults, 6% Dark Eldar, 4% Orks)
Climate classification: hot and dry.
Mean surface temperature: 75 FH
Tropospheric Composition: Nitrogen 55%, Oxygen 20%, Carbon Dioxide 24%, Other 1%
Climatic Regions: abandoned cities cover the surface of the world, six major mountain ranges.
Seas: 13% of Abhaal is covered in water.
Climatic phenomena: storms of ash due to incredibly harsh winds, it rarely rains, nuclear fallout.
Flora: 14,000+ species cataloged however only 19% can still be found.
Fauna: 2,500+ species cataloged however only 32% can still be found.
Economy: mercenaries, black market trade (drugs, weapons etc.).
Society and Government: In the years before the Tyranid invasion of M40.968 Abhaal was a strict Theocracy ruled by the religious elite. After Hive Fleet Dagon struck the planet fell into disorder and has since then been governed by powerful gangs, cults and merchant lords. Life is difficult on Abhaal, primarily due to a lack of natural resources, and society is based around an "every man for himself" world.
Water Supply: most water is imported from other worlds.
Principle Exports: Weapons, Slaves, Drugs, Fuel.
Principle Imports: Water, Mercenaries, Food.
Food supply: most people hunt for their own food although much of it is imported from other worlds.
Urbanization: the once mighty Hives on the surface are dominated by Tyranids and Cults of Chaos, most of the populace are forced to live underground.

Imperial Guard Regiments: 93rd Armageddon Steel Legion led by General Commissar Konrad Hoffman, Krieg 127th Infantry Regiment led by General Johann Vikernes.
Major Conflicts of Note: The First War of Abhaal M40.734-740 (Imperial forces claimed the planet from the Dark Eldar in a long and brutal war), the Crown War M40.043-046 (Imperial noble houses war with religious leaders for the throne of Abhaal), the Second War of Abhaal M40.755-762 (the Alpha Legion, led by the Chaos Lord Kaigan the Nemesis, invades Abhaal and is eventually pushed back by the Imperial Fists Chapter), the Tyranid Apocalypse M40.968-981 (Hive Fleet Dagon descends upon Abhaal, forcing the Imperial populace underground, results in a long nuclear war leaving the planet dead and bleak).

Atchus XIII
Segmentum: Pacificum
Sub-sector: Xanthus
System: Warstorm "Bloodflame"
Inhabited moons and planets: unknown, estimated over 25
Asteroids: small belt circles planet
Comets: 1. Yakkus 1331 (orbits once every 10 years)

Planetary survey:A large desert planet, once home to various hive cities, is now home to the strongest heretic fortress in xanthus subsector, with small warpstorms appearing constantly, this has become a large summoning area for daemons of khorne and tzeentch, was chosen for exterminatus, but imperial ships were destroyed, method of destruction unknown.

Size: Equatorial distance - 110,000 miles
Gravity: 2.5 g
Satellites: 4 (heretic controlled)
Population: 9.2 billion human and daemon
Climate classification: Desert
Mean surface temperature: 50 degrees celsius
Tropospheric Composition: Sulphur 20% Hydrogen: 11% Oxygen 9% unidentified gases 70%
Seas: roughly 30% of surface area is water
Climatic phenomena: every 40 days a large dust cloud rises, circling an area known as "oasis" a 200x152 mile island that is site to severe heretical rituals
Water Supply: reservoirs underground. ( aprox. 500,000 litres per reservoir)
Food supply: raided from nearby imperial planets.
Urbanization: unknown, possible refugee camps scattered
Fauna: 2 species of cacti, possible others (rersearch negligible, all observations taken from large telescope probes)
Note: 2 space hulks, the Golden blood and fallen angel passed by this planet to recover any remains of the exterminatus ships, and were captured and controlled by the two warbands of chaos, last sighted through probes near
Ivan Majorix
society: Heretics, civil wars common.

Major events: Rise of Khorne: roughly 8 billion slaughtered, 8.9 billion begin worshipping Khorne, daemons summoned, First oasis dust storm 24 hours before rout.
War of division: 50% of heretics turn to worshipping tzeentch,fissure opens at oasis, splitting largest reservoir and creating the God's blood river, a river that splits the planet into 2 continents (approx 2 million litres spilled)

military foundings: Khorne's harvesters chaos warband, Tzeentch's flame Chaos warband

I'll contribute the requisite random research-station planet.

ARCANUS I
Segmentum: Pacificum
Sub-Sector: Xanthus
System: Phaes
Inhabited Moons and Planets: 1
Asteroids: Negligible.
Comets: 2. Keigan 21 (orbits once every 37.4 years), Democritus 327 (orbits once every 134.5 years)



ARCANUS I - PLANETARY SURVEY
Summary: A gas giant of considerable girth, Arcanus I is known for its unique system of archaic pre-heresy research stations lying in low orbit, powered by the withered shell of a single Dreadnaught of the Adeptus Astartes, wired into its crystalline energy core. The researchers who first explored the ruined, but still-functioning stations discovered the ancient machine at the complex’s center, which bore the name “Brother Lazarus, the Arcanist” in faded letters. Though the circumstances through which the rusted and aged leviathan came to be fused with the core are unclear at best, the researchers named and classified the planet in honor of the entombed Marine, forever bound to the stations in body and spirit.
Arcanus I now serves as a research center for pre-heresy technology and architecture.

Size: Equatorial distance – 42,700 miles.
Gravity: 3.10 G
Satellites: 3 7-structure interconnected research stations.
Population: 21 (20 human researchers, 1 psyker)
Climate classification: Negligible.
Mean surface temperature: No real “surface” determinable – probes estimates about 23,000 K core temperature.
Tropospheric Composition: Hydrogen 87.3%, Oxygen 8.7%, Helium 4.8%, Carbon Dioxide 1%, Sulphur 0.5%, Various unidentifiable gases 0.5%
Climatic Regions: Negligible.
Seas: Negligible.
Climatic phenomena: Atmosphere is occasionally subject to inexplicable lightning surges and negative energy pulses. Research stations have been specially armored on their underside to protect against these storms, but the armor is deteriorating.
Fauna: 400+ distinguishable species of algae and bacteria living on the stations. At least 4 are unidentifiable, possibly due to rapid mutability of bacteria.
Economy: R&D.
Society: One head researcher oversees the other nineteen, though his/her position is constantly in rotation. Mutinies are uncommon, but have occurred at least twice in recent years.
Water Supply: Synthesized from atmosphere.
Principle Exports: Negligible.
Principle Imports: Fuel, food, scientific tools, manufactured goods.
Food supply: Brought from other planets in the system by spacecraft.
Urbanization: Negligible.

Imperial Guard Foundings: Negligible.
Major Conflicts of Note:
Invasion by Hive Fleet Leviathan? (M39.827?). Memory records of Brother Lazarus indicate the stations once fell to Tyranid invasion, despite its status as a poor source of biomass. To stop the stations from sinking into the planet’s chaotic gas atmosphere and melting, it is assumed that Lazarus connected his own power systems to the stations’ failing central core.