Star system
Ross 311
Economy
Industrial / Colony
Government
Democracy
Allegiance
Federation
Star type
Class K star Scoopable
Coordinates
-63.38 / -92.59 / -35.56
Permit required
No
Powerplay
Exploited
Powers
︎ Ross 311 A - Class K star
Body distance-Solar masses0.5313Solar radius0.6595︎ Ross 311 A 1 - High metal content world
Body distance455 LsEarth masses0.8255Radius5,892 kmGravity0.97 gSurface temperature138 K (-135°C/-211°F)Surface pressure50.35 atmVolcanismAtmosphereThick Argon-richTerraforming︎ Ross 311 A 2 - Icy body
Body distance859 LsEarth masses2.1383Radius9,740 kmGravity0.92 gSurface temperature477 K (204°C/399°F)Surface pressure10,015.89 atmVolcanismMajor Water geysersAtmosphereThick MethaneTerraforming︎ Ross 311 A 3 - Icy body
Body distance1,576 LsEarth masses3.4555Radius11,165 kmGravity1.13 gSurface temperature373 K (100°C/211°F)Surface pressure10,336.94 atmVolcanismMajor Water geysersAtmosphereThick MethaneTerraforming︎ Ross 311 A 4 - Icy body
Body distance3,009 LsEarth masses1.4995Radius8,781 kmGravity0.79 gSurface temperature52 K (-221°C/-367°F)Surface pressure0.30 atmVolcanismCarbon dioxide geysersAtmosphereNeon-richTerraforming︎ Ross 311 A 5 - Icy body
Body distance4,079 LsEarth masses3.0740Radius10,754 kmGravity1.08 gSurface temperature45 K (-228°C/-378°F)Surface pressure0.59 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ Ross 311 A 5 a - Icy body Landable
Body distance4,071 LsEarth masses0.2210Radius5,189 kmGravity0.33 gSurface temperature44 K (-229°C/-380°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Cadmium: 1.0%︎ Tin: 0.8%︎ Germanium: 3.3%︎ Vanadium: 3.0%︎ Zirconium: 1.4%︎ Carbon: 24.0%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 15.4%︎ Sulphur: 28.6%︎ Ross 311 B - Class M star
Body distance59,189 LsSolar masses0.2813Solar radius0.4554