Star system
Sigma Hydri
Economy
Industrial / Refinery
Government
Corporate
Allegiance
Empire
Star type
Class F star Scoopable
Coordinates
90.91 / -82.47 / 49.84
Permit required
No
︎ Sigma Hydri - Class F star
Body distance-Solar masses1.2383Solar radius1.2375︎ Realm - Earth-like world
Body distance1,304 LsEarth masses0.6300Radius5,336 kmGravity0.90 gSurface temperature315 K (41°C/106°F)Surface pressure1.39 atmVolcanismAtmosphereSuitable for water-based lifeTerraformingTerraformed︎ Sigma Hydri 2 - High metal content world
Body distance2,656 LsEarth masses0.4135Radius4,649 kmGravity0.78 gSurface temperature190 K (-83°C/-118°F)Surface pressure0.98 atmVolcanismAtmosphereNitrogenTerraforming︎ Sigma Hydri 4 - High metal content world
Body distance3,325 LsEarth masses0.4438Radius4,751 kmGravity0.80 gSurface temperature153 K (-120°C/-185°F)Surface pressure1.19 atmVolcanismAtmosphereNitrogenTerraforming︎ Sigma Hydri 3 - High metal content world
Body distance3,330 LsEarth masses0.4929Radius4,907 kmGravity0.83 gSurface temperature143 K (-130°C/-202°F)Surface pressure3.12 atmVolcanismAtmosphereNitrogenTerraforming︎ Sigma Hydri 5 - Rocky ice world
Body distance4,933 LsEarth masses1.5282Radius7,615 kmGravity1.07 gSurface temperature497 K (224°C/434°F)Surface pressure5,014.87 atmVolcanismMinor Silicate vapour geysersAtmosphereThick Methane-richTerraforming︎ Sigma Hydri 6 - Icy body
Body distance8,357 LsEarth masses2.8500Radius10,552 kmGravity1.04 gSurface temperature420 K (147°C/297°F)Surface pressure12,801.38 atmVolcanismMajor Water geysersAtmosphereThick Methane-richTerraforming︎ Sigma Hydri 6 a - Icy body Landable
Body distance8,368 LsEarth masses0.0429Radius3,068 kmGravity0.19 gSurface temperature77 K (-196°C/-321°F)Surface pressure0.00 atmVolcanismAtmosphereThin ArgonTerraforming︎ Yttrium: 0.7%︎ Cadmium: 0.9%︎ Tungsten: 0.7%︎ Chromium: 5.4%︎ Germanium: 3.2%︎ Zinc: 3.3%︎ Carbon: 22.9%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.6%︎ Sulphur: 27.2%