Star system
Semalanus
Economy
Terraforming / Industrial
Government
Cooperative
Allegiance
Independent
Star type
Class K star Scoopable
Coordinates
0.78 / -128.5 / 107.28
Permit required
No
︎ Semalanus A - Class K star
Body distance-Solar masses0.7344Solar radius0.8108︎ Semalanus A 1 - High metal content world
Body distance260 LsEarth masses0.0955Radius2,933 kmGravity0.45 gSurface temperature294 K (21°C/69°F)Surface pressure1.10 atmVolcanismAtmosphereNitrogenTerraformingTerraforming︎ Semalanus A 2 - High metal content world
Body distance347 LsEarth masses0.3341Radius4,335 kmGravity0.72 gSurface temperature271 K (-2°C/28°F)Surface pressure2.22 atmVolcanismAtmosphereCarbon dioxide-richTerraformingTerraformable︎ Semalanus A 3 - High metal content world
Body distance640 LsEarth masses0.1258Radius3,201 kmGravity0.50 gSurface temperature240 K (-33°C/-27°F)Surface pressure0.34 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ Semalanus A 4 - Water world
Body distance878 LsEarth masses0.6188Radius5,237 kmGravity0.92 gSurface temperature247 K (-26°C/-15°F)Surface pressure2.80 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ Semalanus A 4 a - Rocky body
Body distance878 LsEarth masses0.0261Radius2,029 kmGravity0.26 gSurface temperature187 K (-86°C/-122°F)Surface pressure0.12 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ Semalanus A 5 - Icy body
Body distance1,151 LsEarth masses1.9542Radius9,361 kmGravity0.91 gSurface temperature134 K (-139°C/-219°F)Surface pressure191.89 atmVolcanismMajor Water geysersAtmosphereThick Argon-richTerraforming︎ Semalanus A 6 - Icy body
Body distance1,602 LsEarth masses1.5655Radius8,773 kmGravity0.83 gSurface temperature97 K (-176°C/-284°F)Surface pressure2.19 atmVolcanismMajor Water geysersAtmosphereArgon-richTerraforming︎ Semalanus B - Class M star
Body distance41,756 LsSolar masses0.3086Solar radius0.4731︎ Semalanus B 5 - Icy body
Body distance40,038 LsEarth masses0.6368Radius6,781 kmGravity0.56 gSurface temperature83 K (-190°C/-311°F)Surface pressure1,246.39 atmVolcanismAtmosphereThick Argon-richTerraforming︎ Semalanus B 6 - Icy body
Body distance41,382 LsEarth masses1.8903Radius9,376 kmGravity0.87 gSurface temperature53 K (-220°C/-364°F)Surface pressure0.36 atmVolcanismMajor Water geysersAtmosphereNeon-richTerraforming︎ Semalanus B 6 a - Icy body Landable
Body distance41,369 LsEarth masses0.0394Radius2,985 kmGravity0.18 gSurface temperature52 K (-221°C/-366°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.4%︎ Molybdenum: 0.8%︎ Tin: 0.7%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Zinc: 3.2%︎ Carbon: 22.6%︎ Iron: 11.8%︎ Nickel: 8.9%︎ Phosphorus: 14.5%︎ Sulphur: 26.9%︎ Semalanus B 1 - Rocky ice world
Body distance42,143 LsEarth masses2.8039Radius9,688 kmGravity1.21 gSurface temperature522 K (249°C/480°F)Surface pressure11,122.82 atmVolcanismMajor Water geysersAtmosphereHot Thick Methane-richTerraforming︎ Semalanus B 2 - Icy body
Body distance43,023 LsEarth masses1.3443Radius8,494 kmGravity0.76 gSurface temperature65 K (-208°C/-343°F)Surface pressure0.31 atmVolcanismWater geysersAtmosphereHeliumTerraforming︎ Semalanus B 3 - Icy body
Body distance43,026 LsEarth masses1.1999Radius8,212 kmGravity0.72 gSurface temperature65 K (-208°C/-343°F)Surface pressure0.25 atmVolcanismMinor Carbon dioxide geysersAtmosphereHeliumTerraforming︎ Semalanus B 4 - Icy body
Body distance43,033 LsEarth masses0.7154Radius7,026 kmGravity0.59 gSurface temperature65 K (-208°C/-342°F)Surface pressure0.80 atmVolcanismAtmosphereArgon-richTerraforming︎ Semalanus B 7 - Icy body
Body distance44,474 LsEarth masses3.6087Radius11,291 kmGravity1.15 gSurface temperature47 K (-226°C/-375°F)Surface pressure0.68 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming