Star system
51 Eridani
Economy
Agriculture / Terraforming
Government
Democracy
Allegiance
Independent
Star type
Class F star Scoopable
Coordinates
26.88 / -48.09 / -78.63
Permit required
No
Powerplay
Unoccupied
Powers
︎ 51 Eridani - Class F star
Body distance-Solar masses1.6563Solar radius1.3776︎ 51 Eridani 1 - Earth-like world
Body distance943 LsEarth masses0.5043Radius4,939 kmGravity0.84 gSurface temperature326 K (52°C/126°F)Surface pressure1.25 atmVolcanismAtmosphereSuitable for water-based lifeTerraformingTerraformed︎ 51 Eridani 1 a - Rocky body Landable
Body distance943 LsEarth masses0.0080Radius1,379 kmGravity0.17 gSurface temperature275 K (1°C/34°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.3%︎ Niobium: 1.3%︎ Tin: 1.2%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Zinc: 5.2%︎ Carbon: 14.4%︎ Iron: 19.2%︎ Nickel: 14.5%︎ Phosphorus: 9.2%︎ Sulphur: 17.1%︎ 51 Eridani 2 - High metal content world
Body distance1,317 LsEarth masses0.2839Radius4,138 kmGravity0.67 gSurface temperature284 K (11°C/52°F)Surface pressure1.94 atmVolcanismAtmosphereNitrogenTerraformingTerraforming︎ 51 Eridani 3 - High metal content world
Body distance1,317 LsEarth masses0.2457Radius3,955 kmGravity0.64 gSurface temperature243 K (-30°C/-23°F)Surface pressure0.32 atmVolcanismAtmosphereCarbon dioxide-richTerraformingTerraformable︎ 51 Eridani 4 - High metal content world Landable
Body distance1,741 LsEarth masses0.2028Radius3,724 kmGravity0.59 gSurface temperature231 K (-43°C/-45°F)Surface pressure0.01 atmVolcanismAtmosphereThin Carbon dioxideTerraformingTerraformable︎ Antimony: 1.0%︎ Selenium: 2.6%︎ Mercury: 1.0%︎ Molybdenum: 1.5%︎ Arsenic: 2.2%︎ Chromium: 10.6%︎ Carbon: 14.0%︎ Iron: 23.6%︎ Nickel: 17.8%︎ Phosphorus: 9.0%︎ Sulphur: 16.6%︎ 51 Eridani 6 - High metal content world
Body distance2,194 LsEarth masses0.2830Radius4,134 kmGravity0.67 gSurface temperature250 K (-23°C/-9°F)Surface pressure0.08 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ 51 Eridani 5 - Water world
Body distance2,196 LsEarth masses0.2934Radius4,180 kmGravity0.68 gSurface temperature257 K (-16°C/3°F)Surface pressure0.16 atmVolcanismAtmosphereCarbon dioxide-richTerraforming︎ 51 Eridani 7 - High metal content world
Body distance4,082 LsEarth masses1.2182Radius6,447 kmGravity1.19 gSurface temperature328 K (55°C/131°F)Surface pressure19.26 atmVolcanismMinor Silicate vapour geysersAtmosphereThick Methane-richTerraforming︎ 51 Eridani 8 - High metal content world
Body distance5,209 LsEarth masses1.6496Radius7,046 kmGravity1.35 gSurface temperature127 K (-146°C/-230°F)Surface pressure1.28 atmVolcanismMinor Metallic magmaAtmosphereNitrogenTerraforming︎ 51 Eridani 9 - Icy body
Body distance6,927 LsEarth masses1.6489Radius9,021 kmGravity0.82 gSurface temperature463 K (190°C/374°F)Surface pressure8,005.51 atmVolcanismMajor Water geysersAtmosphereThick AmmoniaTerraforming