Star system
11 Cephei
Economy
Industrial / High Tech
Government
Cooperative
Allegiance
Independent
Star type
Class K star (orange giant) Scoopable
Coordinates
-167.31 / 43.97 / -57.88
Permit required
No
Powerplay
Unoccupied
Powers
︎ 11 Cephei A - Class K star (orange giant)
Body distance-Solar masses0.5352Solar radius11.1358︎ 11 Cephei A 1 - Class III gas giant
Body distance845 LsEarth masses1,529.7900Radius75,113 kmGravity11.02 gSurface temperature765 K (492°C/918°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 11 Cephei A 1 f - Rocky body Landable
Body distance832 LsEarth masses0.0007Radius621 kmGravity0.07 gSurface temperature512 K (239°C/462°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Molybdenum: 1.3%︎ Tungsten: 1.1%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Zirconium: 2.2%︎ Carbon: 15.5%︎ Iron: 19.2%︎ Nickel: 14.5%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ 11 Cephei A 1 d - Rocky body Landable
Body distance844 LsEarth masses0.0001Radius371 kmGravity0.04 gSurface temperature527 K (254°C/489°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Mercury: 0.8%︎ Tungsten: 1.1%︎ Germanium: 5.5%︎ Manganese: 7.9%︎ Zinc: 5.2%︎ Carbon: 15.6%︎ Iron: 19.2%︎ Nickel: 14.5%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ 11 Cephei A 1 b - Rocky body Landable
Body distance845 LsEarth masses0.0003Radius469 kmGravity0.06 gSurface temperature541 K (268°C/515°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.2%︎ Molybdenum: 1.3%︎ Tungsten: 1.1%︎ Arsenic: 2.5%︎ Manganese: 8.2%︎ Zinc: 5.4%︎ Carbon: 16.1%︎ Iron: 19.8%︎ Nickel: 15.0%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ 11 Cephei A 1 a - Rocky body Landable
Body distance847 LsEarth masses0.0002Radius403 kmGravity0.05 gSurface temperature551 K (277°C/531°F)Surface pressure0.00 atmVolcanismMinor Silicate vapour geysersAtmosphereTerraforming︎ Antimony: 1.2%︎ Mercury: 0.8%︎ Tungsten: 1.1%︎ Chromium: 8.6%︎ Germanium: 5.5%︎ Zinc: 5.2%︎ Carbon: 15.6%︎ Iron: 19.1%︎ Nickel: 14.5%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ 11 Cephei A 1 e - Rocky body Landable
Body distance849 LsEarth masses0.0004Radius497 kmGravity0.06 gSurface temperature521 K (248°C/478°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 2.9%︎ Tellurium: 1.4%︎ Cadmium: 1.5%︎ Mercury: 0.8%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Carbon: 15.4%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 9.9%︎ Sulphur: 18.3%︎ 11 Cephei A 1 c - Rocky body Landable
Body distance852 LsEarth masses0.0004Radius515 kmGravity0.06 gSurface temperature534 K (260°C/501°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Cadmium: 1.5%︎ Mercury: 0.8%︎ Chromium: 8.6%︎ Germanium: 5.5%︎ Vanadium: 4.7%︎ Carbon: 15.5%︎ Iron: 19.2%︎ Nickel: 14.5%︎ Phosphorus: 9.9%︎ Sulphur: 18.5%︎ 11 Cephei A 1 g - Rocky body Landable
Body distance862 LsEarth masses0.0004Radius536 kmGravity0.06 gSurface temperature508 K (235°C/455°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Mercury: 0.8%︎ Tungsten: 1.0%︎ Chromium: 8.4%︎ Manganese: 7.8%︎ Vanadium: 4.6%︎ Carbon: 15.3%︎ Iron: 18.8%︎ Nickel: 14.2%︎ Phosphorus: 9.8%︎ Sulphur: 18.2%︎ 11 Cephei A 2 - Class III gas giant
Body distance1,521 LsRing/belt typeMetal rich (Pristine)Earth masses849.3740Radius76,214 kmGravity5.94 gSurface temperature494 K (221°C/430°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 11 Cephei A 2 f - Rocky body Landable
Body distance1,504 LsRing/belt typeRocky (Pristine)Earth masses0.0247Radius1,994 kmGravity0.25 gSurface temperature372 K (99°C/210°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Chromium: 8.9%︎ Germanium: 5.2%︎ Zinc: 5.4%︎ Carbon: 14.8%︎ Iron: 19.8%︎ Nickel: 15.0%︎ Phosphorus: 9.5%︎ Sulphur: 17.6%︎ 11 Cephei A 2 c - Rocky body Landable
Body distance1,517 LsEarth masses0.0017Radius842 kmGravity0.10 gSurface temperature383 K (110°C/230°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Molybdenum: 1.2%︎ Tungsten: 1.0%︎ Arsenic: 2.5%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Carbon: 15.6%︎ Iron: 19.1%︎ Nickel: 14.5%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ 11 Cephei A 2 a - Rocky body Landable
Body distance1,523 LsEarth masses0.0011Radius717 kmGravity0.08 gSurface temperature397 K (124°C/254°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.5%︎ Mercury: 0.9%︎ Molybdenum: 1.3%︎ Chromium: 8.9%︎ Zinc: 5.4%︎ Zirconium: 2.3%︎ Carbon: 16.0%︎ Iron: 19.7%︎ Nickel: 14.9%︎ Phosphorus: 10.2%︎ Sulphur: 19.0%︎ 11 Cephei A 2 b - Rocky body Landable
Body distance1,523 LsEarth masses0.0034Radius1,057 kmGravity0.12 gSurface temperature389 K (116°C/241°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.1%︎ Tellurium: 1.5%︎ Cadmium: 1.6%︎ Niobium: 1.4%︎ Vanadium: 5.0%︎ Zinc: 5.5%︎ Carbon: 16.4%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.5%︎ Sulphur: 19.5%︎ 11 Cephei A 2 d - Rocky body Landable
Body distance1,525 LsEarth masses0.0041Radius1,122 kmGravity0.13 gSurface temperature379 K (106°C/222°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.4%︎ Molybdenum: 1.2%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Zinc: 5.0%︎ Carbon: 15.0%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.6%︎ Sulphur: 17.9%︎ 11 Cephei A 2 e - Rocky body Landable
Body distance1,530 LsEarth masses0.0059Radius1,265 kmGravity0.15 gSurface temperature375 K (102°C/215°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Cadmium: 1.6%︎ Tungsten: 1.1%︎ Arsenic: 2.6%︎ Chromium: 9.1%︎ Zirconium: 2.4%︎ Carbon: 16.4%︎ Iron: 20.3%︎ Nickel: 15.3%︎ Phosphorus: 10.5%︎ Sulphur: 19.5%︎ 11 Cephei A 2 e a - Rocky body
Body distance1,533 LsEarth masses0.0003Radius462 kmGravity0.05 gSurface temperature375 K (102°C/215°F)Surface pressure0.00 atmVolcanismRocky magmaAtmosphereSulphur dioxideTerraforming︎ 11 Cephei A 3 - Class III gas giant
Body distance2,025 LsRing/belt typeRocky (Pristine)Earth masses70.9489Radius55,128 kmGravity0.95 gSurface temperature315 K (42°C/107°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 11 Cephei A 3 a - Rocky body Landable
Body distance2,034 LsEarth masses0.0003Radius455 kmGravity0.05 gSurface temperature316 K (43°C/109°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Niobium: 1.3%︎ Tungsten: 1.1%︎ Manganese: 8.0%︎ Vanadium: 4.7%︎ Zinc: 5.3%︎ Carbon: 15.7%︎ Iron: 19.3%︎ Nickel: 14.6%︎ Phosphorus: 10.1%︎ Sulphur: 18.7%︎ 11 Cephei A 3 b - Rocky body Landable
Body distance2,046 LsEarth masses0.0004Radius530 kmGravity0.06 gSurface temperature316 K (42°C/108°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.2%︎ Mercury: 0.8%︎ Molybdenum: 1.3%︎ Manganese: 8.0%︎ Vanadium: 4.8%︎ Zinc: 5.3%︎ Carbon: 15.8%︎ Iron: 19.4%︎ Nickel: 14.7%︎ Phosphorus: 10.1%︎ Sulphur: 18.8%︎ 11 Cephei A 4 - Class III gas giant
Body distance2,865 LsRing/belt typeMetal rich (Pristine)Earth masses11.3521Radius14,910 kmGravity2.08 gSurface temperature262 K (-11°C/11°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 11 Cephei A 4 e - Rocky body
Body distance2,859 LsEarth masses0.0007Radius614 kmGravity0.07 gSurface temperature470 K (196°C/386°F)Surface pressure0.18 atmVolcanismAtmosphereWaterTerraforming︎ 11 Cephei A 4 c - Rocky body
Body distance2,862 LsEarth masses0.0010Radius697 kmGravity0.08 gSurface temperature483 K (210°C/411°F)Surface pressure0.23 atmVolcanismAtmosphereWaterTerraforming︎ 11 Cephei A 4 b - Rocky body Landable
Body distance2,863 LsEarth masses0.0002Radius398 kmGravity0.05 gSurface temperature427 K (154°C/308°F)Surface pressure0.07 atmVolcanismAtmosphereThin WaterTerraforming︎ Antimony: 1.2%︎ Mercury: 0.8%︎ Tin: 1.1%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Zirconium: 2.2%︎ Carbon: 15.7%︎ Iron: 19.2%︎ Nickel: 14.5%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ 11 Cephei A 4 a - Rocky body
Body distance2,865 LsEarth masses0.0003Radius478 kmGravity0.06 gSurface temperature444 K (171°C/340°F)Surface pressure0.11 atmVolcanismAtmosphereWaterTerraforming︎ 11 Cephei A 4 d - Rocky body
Body distance2,870 LsEarth masses0.0006Radius590 kmGravity0.07 gSurface temperature465 K (192°C/378°F)Surface pressure0.16 atmVolcanismAtmosphereWaterTerraforming︎ 11 Cephei B - Class L star (brown dwarf)
Body distance256,928 LsSolar masses0.2109Solar radius0.4139︎ 11 Cephei B 6 - Icy body
Body distance255,388 LsEarth masses5.1101Radius12,422 kmGravity1.35 gSurface temperature56 K (-218°C/-360°F)Surface pressure0.93 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ 11 Cephei B 5 - Icy body
Body distance256,689 LsEarth masses0.8808Radius7,483 kmGravity0.64 gSurface temperature92 K (-182°C/-295°F)Surface pressure1,629.61 atmVolcanismMinor Water magmaAtmosphereThick Argon-richTerraforming︎ 11 Cephei B 4 - Icy body
Body distance256,704 LsEarth masses0.9598Radius7,679 kmGravity0.66 gSurface temperature134 K (-139°C/-218°F)Surface pressure1,729.49 atmVolcanismMajor Water magmaAtmosphereThick NitrogenTerraforming︎ 11 Cephei B 1 - Rocky ice world
Body distance257,132 LsEarth masses1.7195Radius8,508 kmGravity0.97 gSurface temperature131 K (-143°C/-225°F)Surface pressure408.25 atmVolcanismMajor Water geysersAtmosphereThick NitrogenTerraforming︎ 11 Cephei B 2 - Rocky ice world
Body distance257,162 LsEarth masses1.5667Radius8,279 kmGravity0.93 gSurface temperature458 K (185°C/365°F)Surface pressure6,983.02 atmVolcanismMajor Water geysersAtmosphereThick MethaneTerraforming︎ 11 Cephei B 3 - Icy body
Body distance257,484 LsEarth masses1.6898Radius9,085 kmGravity0.83 gSurface temperature373 K (100°C/212°F)Surface pressure5,539.88 atmVolcanismWater geysersAtmosphereThick MethaneTerraforming︎ 11 Cephei B 7 - Icy body
Body distance259,518 LsEarth masses6.3379Radius13,161 kmGravity1.49 gSurface temperature49 K (-224°C/-372°F)Surface pressure1.14 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming