Star system
Sireo
Economy
Colony / Terraforming
Government
Feudal
Allegiance
Independent
Star type
Class F star Scoopable
Coordinates
141.13 / 12.63 / -55.72
Permit required
No
Powerplay
Unoccupied
Powers
︎ Sireo - Class F star
Body distance-Solar masses1.2109Solar radius1.0735︎ Sireo 1 - High metal content world Landable
Body distance168 LsEarth masses0.1997Radius3,711 kmGravity0.59 gSurface temperature528 K (254°C/490°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.3%︎ Cadmium: 1.7%︎ Mercury: 1.0%︎ Germanium: 4.7%︎ Manganese: 9.1%︎ Zinc: 6.0%︎ Carbon: 13.3%︎ Iron: 22.0%︎ Nickel: 16.7%︎ Phosphorus: 8.5%︎ Sulphur: 15.8%︎ Sireo 2 - High metal content world Landable
Body distance237 LsEarth masses0.1239Radius3,191 kmGravity0.49 gSurface temperature444 K (171°C/340°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.3%︎ Cadmium: 1.6%︎ Mercury: 0.9%︎ Chromium: 9.4%︎ Manganese: 8.6%︎ Zinc: 5.7%︎ Carbon: 12.6%︎ Iron: 20.9%︎ Nickel: 15.8%︎ Phosphorus: 8.1%︎ Sulphur: 15.0%︎ Sireo 3 - High metal content world Landable
Body distance426 LsEarth masses0.1683Radius3,516 kmGravity0.55 gSurface temperature360 K (87°C/189°F)Surface pressure0.01 atmVolcanismAtmosphereThin Sulphur dioxideTerraforming︎ Polonium: 0.6%︎ Mercury: 1.0%︎ Molybdenum: 1.4%︎ Chromium: 10.0%︎ Germanium: 4.7%︎ Vanadium: 5.5%︎ Carbon: 13.4%︎ Iron: 22.2%︎ Nickel: 16.8%︎ Phosphorus: 8.6%︎ Sulphur: 15.9%︎ Sireo 4 - High metal content world
Body distance606 LsEarth masses0.5338Radius5,022 kmGravity0.86 gSurface temperature708 K (435°C/815°F)Surface pressure35.72 atmVolcanismAtmosphereHot Thick Carbon dioxideTerraformingTerraforming︎ Sireo 5 - Water world
Body distance1,094 LsEarth masses1.0835Radius6,236 kmGravity1.13 gSurface temperature342 K (69°C/156°F)Surface pressure0.72 atmVolcanismMajor Rocky magmaAtmosphereNitrogenTerraformingTerraformable︎ Sireo 6 - Water world
Body distance1,519 LsEarth masses0.7662Radius5,621 kmGravity0.99 gSurface temperature248 K (-26°C/-14°F)Surface pressure1.68 atmVolcanismAtmosphereNitrogenTerraforming︎ Sireo 7 - High metal content world
Body distance1,520 LsEarth masses0.7220Radius5,521 kmGravity0.96 gSurface temperature351 K (78°C/173°F)Surface pressure6.86 atmVolcanismAtmosphereThick Ammonia-richTerraforming︎ Sireo 8 - High metal content world
Body distance2,784 LsEarth masses0.7985Radius5,692 kmGravity1.00 gSurface temperature138 K (-135°C/-210°F)Surface pressure1.15 atmVolcanismAtmosphereNitrogenTerraforming︎ Sireo 9 - Icy body
Body distance4,019 LsRing/belt typeRocky (Pristine)Earth masses4.4280Radius12,084 kmGravity1.23 gSurface temperature550 K (277°C/530°F)Surface pressure17,734.22 atmVolcanismMajor Water geysersAtmosphereHot Thick Methane-richTerraforming︎ Sireo 9 a - Icy body
Body distance4,024 LsEarth masses0.2478Radius5,381 kmGravity0.35 gSurface temperature101 K (-172°C/-278°F)Surface pressure6.16 atmVolcanismAtmosphereThick NitrogenTerraforming