Star system
Utero
Economy
Colony / Refinery
Government
Patronage
Allegiance
Independent
Star type
Class M star Scoopable
Coordinates
-37.13 / 33.72 / -123.03
Permit required
No
︎ Utero A - Class M star
Body distance-Solar masses0.4453Solar radius0.6151︎ Utero A 1 - High metal content world
Body distance419 LsEarth masses0.6303Radius5,414 kmGravity0.87 gSurface temperature281 K (8°C/46°F)Surface pressure245.47 atmVolcanismAtmosphereThick Methane-richTerraforming︎ Utero A 2 - Icy body
Body distance736 LsEarth masses0.3736Radius5,764 kmGravity0.46 gSurface temperature137 K (-137°C/-214°F)Surface pressure486.24 atmVolcanismAtmosphereThick NitrogenTerraforming︎ Utero A 3 - Icy body
Body distance737 LsEarth masses0.3664Radius5,729 kmGravity0.45 gSurface temperature112 K (-161°C/-259°F)Surface pressure457.26 atmVolcanismAtmosphereThick Argon-richTerraforming︎ Utero A 4 - Icy body
Body distance989 LsEarth masses0.6248Radius6,732 kmGravity0.56 gSurface temperature232 K (-42°C/-43°F)Surface pressure1,290.77 atmVolcanismAtmosphereThick Methane-richTerraforming︎ Utero A 4 a - Icy body Landable
Body distance989 LsEarth masses0.0338Radius2,841 kmGravity0.17 gSurface temperature73 K (-200°C/-328°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.4%︎ Yttrium: 0.7%︎ Cadmium: 0.9%︎ Molybdenum: 0.8%︎ Arsenic: 1.4%︎ Vanadium: 3.0%︎ Carbon: 23.8%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 15.2%︎ Sulphur: 28.2%︎ Utero A 5 - Icy body
Body distance1,390 LsEarth masses1.0348Radius7,861 kmGravity0.68 gSurface temperature64 K (-210°C/-345°F)Surface pressure0.80 atmVolcanismMinor Carbon dioxide geysersAtmosphereArgon-richTerraforming︎ Utero A 5 a - Icy body
Body distance1,393 LsEarth masses0.0221Radius2,475 kmGravity0.15 gSurface temperature120 K (-153°C/-243°F)Surface pressure1.10 atmVolcanismAtmosphereMethaneTerraforming︎ Utero A 6 - Icy body
Body distance1,782 LsEarth masses1.0813Radius7,971 kmGravity0.69 gSurface temperature56 K (-218°C/-360°F)Surface pressure0.22 atmVolcanismMinor Carbon dioxide geysersAtmosphereNeon-richTerraforming︎ Utero A 6 a - Icy body Landable
Body distance1,780 LsEarth masses0.0097Radius1,889 kmGravity0.11 gSurface temperature55 K (-218°C/-361°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 0.7%︎ Cadmium: 0.9%︎ Tungsten: 0.7%︎ Arsenic: 1.4%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Carbon: 23.1%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.8%︎ Sulphur: 27.4%︎ Utero A 7 - Icy body
Body distance2,518 LsEarth masses2.8362Radius10,572 kmGravity1.03 gSurface temperature48 K (-226°C/-374°F)Surface pressure0.55 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ Utero B - Class L star (brown dwarf)
Body distance252,199 LsSolar masses0.1758Solar radius0.3133︎ Utero B 5 - Icy body
Body distance251,165 LsEarth masses1.9421Radius9,481 kmGravity0.88 gSurface temperature30 K (-243°C/-405°F)Surface pressure0.40 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ Utero B 2 - Icy body Landable
Body distance251,727 LsEarth masses0.6531Radius6,815 kmGravity0.57 gSurface temperature45 K (-228°C/-378°F)Surface pressure0.00 atmVolcanismMinor Water magmaAtmosphereThin NeonTerraforming︎ Technetium: 0.6%︎ Molybdenum: 1.0%︎ Tin: 1.0%︎ Chromium: 7.0%︎ Manganese: 6.4%︎ Zinc: 4.2%︎ Carbon: 18.6%︎ Iron: 15.5%︎ Nickel: 11.7%︎ Phosphorus: 11.9%︎ Sulphur: 22.1%︎ Utero B 2 a - Icy body Landable
Body distance251,728 LsEarth masses0.0486Radius3,197 kmGravity0.19 gSurface temperature45 K (-228°C/-379°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.3%︎ Selenium: 4.5%︎ Molybdenum: 0.8%︎ Niobium: 0.9%︎ Arsenic: 1.5%︎ Zirconium: 1.4%︎ Carbon: 24.3%︎ Iron: 12.5%︎ Nickel: 9.4%︎ Phosphorus: 15.5%︎ Sulphur: 28.9%︎ Utero B 1 - Icy body
Body distance252,361 LsEarth masses0.7212Radius7,047 kmGravity0.59 gSurface temperature79 K (-195°C/-318°F)Surface pressure1,392.08 atmVolcanismMajor Water magmaAtmosphereThick Argon-richTerraforming︎ Utero B 1 a - Icy body Landable
Body distance252,361 LsEarth masses0.0171Radius2,276 kmGravity0.13 gSurface temperature53 K (-220°C/-364°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.7%︎ Molybdenum: 0.8%︎ Tin: 0.7%︎ Chromium: 5.2%︎ Germanium: 3.1%︎ Manganese: 4.8%︎ Carbon: 22.7%︎ Iron: 11.7%︎ Nickel: 8.8%︎ Phosphorus: 14.5%︎ Sulphur: 27.0%︎ Utero B 3 - Icy body Landable
Body distance252,764 LsEarth masses0.6506Radius6,839 kmGravity0.56 gSurface temperature39 K (-234°C/-390°F)Surface pressure0.01 atmVolcanismAtmosphereThin Neon-richTerraforming︎ Tellurium: 0.8%︎ Mercury: 0.7%︎ Molybdenum: 1.0%︎ Chromium: 7.0%︎ Germanium: 3.2%︎ Manganese: 6.4%︎ Carbon: 19.0%︎ Iron: 15.5%︎ Nickel: 11.7%︎ Phosphorus: 12.1%︎ Sulphur: 22.6%︎ Utero B 4 - Icy body Landable
Body distance253,025 LsEarth masses0.5854Radius6,622 kmGravity0.54 gSurface temperature35 K (-238°C/-397°F)Surface pressure0.00 atmVolcanismAtmosphereThin NeonTerraforming︎ Tellurium: 0.9%︎ Niobium: 1.1%︎ Tungsten: 0.9%︎ Arsenic: 1.6%︎ Manganese: 6.9%︎ Zirconium: 1.9%︎ Carbon: 20.3%︎ Iron: 16.6%︎ Nickel: 12.6%︎ Phosphorus: 13.0%︎ Sulphur: 24.2%︎ Utero B 6 - Icy body
Body distance253,881 LsEarth masses1.5598Radius8,892 kmGravity0.80 gSurface temperature21 K (-252°C/-422°F)Surface pressure0.33 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ Utero B 7 - Icy body
Body distance256,060 LsEarth masses1.1079Radius8,034 kmGravity0.70 gSurface temperature20 K (-253°C/-423°F)Surface pressure0.23 atmVolcanismMinor Carbon dioxide geysersAtmosphereHeliumTerraforming