Star system
Sionesta
Economy
Industrial / Colony
Government
Democracy
Allegiance
Federation
Star type
Class L star (brown dwarf)
Coordinates
50.22 / -24.84 / -40.94
Permit required
No
︎ Sionesta A - Class L star (brown dwarf)
Body distance-Solar masses0.1992Solar radius0.3421︎ Sionesta A 1 - Icy body Landable
Body distance66 LsEarth masses0.0175Radius2,160 kmGravity0.15 gSurface temperature133 K (-140°C/-220°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.6%︎ Tellurium: 0.9%︎ Molybdenum: 1.1%︎ Niobium: 1.1%︎ Germanium: 3.4%︎ Manganese: 6.7%︎ Carbon: 19.4%︎ Iron: 16.1%︎ Nickel: 12.2%︎ Phosphorus: 12.4%︎ Sulphur: 23.1%︎ Sionesta A 2 - Icy body Landable
Body distance90 LsEarth masses0.0229Radius2,358 kmGravity0.17 gSurface temperature116 K (-158°C/-252°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.0%︎ Selenium: 3.6%︎ Mercury: 0.7%︎ Molybdenum: 1.0%︎ Manganese: 6.6%︎ Zinc: 4.3%︎ Carbon: 19.3%︎ Iron: 16.0%︎ Nickel: 12.1%︎ Phosphorus: 12.4%︎ Sulphur: 23.0%︎ Sionesta A 3 - Icy body Landable
Body distance110 LsEarth masses0.0149Radius2,048 kmGravity0.14 gSurface temperature106 K (-167°C/-269°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.0%︎ Mercury: 0.7%︎ Tungsten: 0.9%︎ Chromium: 7.0%︎ Manganese: 6.4%︎ Vanadium: 3.8%︎ Carbon: 18.7%︎ Iron: 15.5%︎ Nickel: 11.7%︎ Phosphorus: 12.0%︎ Sulphur: 22.3%︎ Sionesta A 4 - Icy body Landable
Body distance163 LsEarth masses0.0377Radius2,757 kmGravity0.20 gSurface temperature89 K (-184°C/-299°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Selenium: 3.7%︎ Molybdenum: 1.1%︎ Tungsten: 0.9%︎ Arsenic: 1.5%︎ Chromium: 7.4%︎ Carbon: 19.6%︎ Iron: 16.6%︎ Nickel: 12.5%︎ Phosphorus: 12.6%︎ Sulphur: 23.4%︎ Sionesta A 5 - Icy body Landable
Body distance199 LsEarth masses0.0547Radius3,113 kmGravity0.23 gSurface temperature82 K (-191°C/-312°F)Surface pressure0.02 atmVolcanismAtmosphereThin ArgonTerraforming︎ Yttrium: 0.9%︎ Cadmium: 1.2%︎ Niobium: 1.1%︎ Chromium: 7.0%︎ Germanium: 3.3%︎ Manganese: 6.5%︎ Carbon: 18.6%︎ Iron: 15.6%︎ Nickel: 11.8%︎ Phosphorus: 11.9%︎ Sulphur: 22.1%︎ Sionesta A 6 - Icy body Landable
Body distance262 LsEarth masses0.0972Radius3,759 kmGravity0.28 gSurface temperature73 K (-200°C/-328°F)Surface pressure0.01 atmVolcanismAtmosphereThin NitrogenTerraforming︎ Selenium: 3.6%︎ Yttrium: 1.0%︎ Cadmium: 1.3%︎ Tungsten: 0.9%︎ Germanium: 3.4%︎ Manganese: 6.7%︎ Carbon: 19.4%︎ Iron: 16.1%︎ Nickel: 12.2%︎ Phosphorus: 12.4%︎ Sulphur: 23.1%︎ Sionesta A 7 - Icy body Landable
Body distance335 LsEarth masses0.0540Radius3,111 kmGravity0.23 gSurface temperature66 K (-207°C/-341°F)Surface pressure0.02 atmVolcanismAtmosphereThin ArgonTerraforming︎ Ruthenium: 1.0%︎ Tin: 1.0%︎ Tungsten: 0.8%︎ Chromium: 6.9%︎ Manganese: 6.4%︎ Zinc: 4.2%︎ Carbon: 18.6%︎ Iron: 15.4%︎ Nickel: 11.7%︎ Phosphorus: 11.9%︎ Sulphur: 22.1%︎ Sionesta A 8 - Icy body Landable
Body distance495 LsEarth masses0.1167Radius3,958 kmGravity0.30 gSurface temperature57 K (-217°C/-358°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.1%︎ Selenium: 3.8%︎ Molybdenum: 1.1%︎ Niobium: 1.2%︎ Arsenic: 1.6%︎ Zirconium: 2.0%︎ Carbon: 20.6%︎ Iron: 17.6%︎ Nickel: 13.3%︎ Phosphorus: 13.2%︎ Sulphur: 24.5%︎ Sionesta B - Class M star
Body distance8,469 LsSolar masses0.1875Solar radius0.3529︎ Sionesta B 3 - Icy body
Body distance8,323 LsEarth masses1.0015Radius7,761 kmGravity0.68 gSurface temperature72 K (-201°C/-330°F)Surface pressure0.86 atmVolcanismMinor Carbon dioxide geysersAtmosphereArgon-richTerraforming︎ Sionesta B 3 a - Icy body
Body distance8,109 LsEarth masses0.0377Radius2,942 kmGravity0.18 gSurface temperature142 K (-131°C/-204°F)Surface pressure1.59 atmVolcanismAtmosphereMethaneTerraforming︎ Sionesta B 1 - Icy body
Body distance8,360 LsEarth masses0.3287Radius5,529 kmGravity0.44 gSurface temperature151 K (-123°C/-189°F)Surface pressure238.95 atmVolcanismAtmosphereThick NitrogenTerraforming︎ Sionesta B 4 - Icy body
Body distance8,534 LsEarth masses0.8265Radius7,337 kmGravity0.62 gSurface temperature81 K (-192°C/-314°F)Surface pressure1,550.12 atmVolcanismMajor Water magmaAtmosphereThick Argon-richTerraforming︎ Sionesta B 4 a - Icy body Landable
Body distance8,532 LsEarth masses0.0091Radius1,849 kmGravity0.11 gSurface temperature54 K (-219°C/-362°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 0.8%︎ Cadmium: 0.9%︎ Tungsten: 0.6%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Vanadium: 2.9%︎ Carbon: 22.6%︎ Iron: 11.8%︎ Nickel: 8.9%︎ Phosphorus: 14.4%︎ Sulphur: 26.8%︎ Sionesta B 2 - Icy body
Body distance8,660 LsEarth masses0.4035Radius5,894 kmGravity0.47 gSurface temperature140 K (-133°C/-207°F)Surface pressure575.82 atmVolcanismAtmosphereThick NitrogenTerraforming︎ Sionesta B 5 - Icy body Landable
Body distance9,393 LsEarth masses0.4618Radius6,144 kmGravity0.50 gSurface temperature47 K (-227°C/-376°F)Surface pressure0.00 atmVolcanismAtmosphereThin NeonTerraforming︎ Tellurium: 0.8%︎ Cadmium: 1.2%︎ Tungsten: 0.9%︎ Chromium: 7.0%︎ Manganese: 6.4%︎ Vanadium: 3.8%︎ Carbon: 18.6%︎ Iron: 15.5%︎ Nickel: 11.7%︎ Phosphorus: 11.9%︎ Sulphur: 22.2%