Star system
Hephaestus
Economy
Service / Extraction
Government
Democracy
Allegiance
Independent
Star type
Class K star Scoopable
Coordinates
-9521.41 / -907.31 / 19801.7
Permit required
No
Powerplay
Unoccupied
Powers
︎ Hephaestus A - Class K star
Body distance-Solar masses0.7695Solar radius0.7726︎ Hephaestus A 1 - Gas giant with water-based life
Body distance1,012 LsRing/belt typeMetal rich (Pristine)Earth masses719.8990Radius77,030 kmGravity4.93 gSurface temperature232 K (-41°C/-42°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Hephaestus A 1 e - Rocky body Landable
Body distance1,009 LsEarth masses0.0006Radius595 kmGravity0.07 gSurface temperature156 K (-117°C/-179°F)Surface pressure0.01 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Selenium: 3.0%︎ Technetium: 0.7%︎ Mercury: 0.9%︎ Molybdenum: 1.3%︎ Chromium: 8.8%︎ Germanium: 5.7%︎ Carbon: 16.0%︎ Iron: 19.5%︎ Nickel: 14.8%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ Hephaestus A 1 d - Rocky body Landable
Body distance1,011 LsEarth masses0.0006Radius609 kmGravity0.07 gSurface temperature160 K (-114°C/-172°F)Surface pressure0.01 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Polonium: 0.5%︎ Mercury: 0.8%︎ Niobium: 1.3%︎ Chromium: 8.4%︎ Manganese: 7.7%︎ Zinc: 5.1%︎ Carbon: 15.3%︎ Iron: 18.7%︎ Nickel: 14.1%︎ Phosphorus: 9.8%︎ Sulphur: 18.2%︎ Hephaestus A 1 c - Rocky body
Body distance1,011 LsEarth masses0.0003Radius445 kmGravity0.05 gSurface temperature217 K (-56°C/-69°F)Surface pressure0.37 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ Hephaestus A 1 a - Rocky body Landable
Body distance1,012 LsEarth masses0.0002Radius376 kmGravity0.04 gSurface temperature152 K (-121°C/-186°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Yttrium: 1.1%︎ Molybdenum: 1.2%︎ Niobium: 1.3%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Zinc: 5.0%︎ Carbon: 15.2%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ Hephaestus A 1 b - Rocky body
Body distance1,013 LsEarth masses0.0003Radius444 kmGravity0.05 gSurface temperature230 K (-43°C/-45°F)Surface pressure0.50 atmVolcanismMinor Rocky magmaAtmosphereCarbon dioxideTerraforming︎ Hephaestus A 1 f - Rocky body Landable
Body distance1,017 LsEarth masses0.0019Radius876 kmGravity0.10 gSurface temperature134 K (-139°C/-219°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.1%︎ Molybdenum: 1.2%︎ Niobium: 1.3%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Zinc: 5.0%︎ Carbon: 15.2%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ Hephaestus A 2 - Class I gas giant
Body distance1,431 LsRing/belt typeIcy (Pristine)
Metal rich (Pristine)Earth masses340.4920Radius72,416 kmGravity2.64 gSurface temperature145 K (-128°C/-199°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Hephaestus A 2 a - Icy body Landable
Body distance1,432 LsEarth masses0.0059Radius1,590 kmGravity0.10 gSurface temperature104 K (-169°C/-272°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Antimony: 0.7%︎ Mercury: 0.5%︎ Niobium: 0.8%︎ Chromium: 5.4%︎ Germanium: 3.5%︎ Manganese: 4.9%︎ Carbon: 22.3%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.3%︎ Sulphur: 26.5%︎ Hephaestus A 2 b - Icy body Landable
Body distance1,433 LsEarth masses0.0132Radius2,067 kmGravity0.13 gSurface temperature101 K (-172°C/-278°F)Surface pressure0.00 atmVolcanismWater geysersAtmosphereTerraforming︎ Polonium: 0.3%︎ Mercury: 0.5%︎ Molybdenum: 0.8%︎ Manganese: 5.1%︎ Vanadium: 3.0%︎ Zinc: 3.4%︎ Carbon: 23.0%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 14.7%︎ Sulphur: 27.3%︎ Hephaestus A 3 - Gas giant with ammonia-based life
Body distance1,818 LsEarth masses378.4020Radius73,357 kmGravity2.86 gSurface temperature140 K (-133°C/-208°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Hephaestus A 3 e - Icy body Landable
Body distance1,810 LsEarth masses0.0061Radius1,606 kmGravity0.10 gSurface temperature85 K (-188°C/-306°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.8%︎ Cadmium: 1.0%︎ Tungsten: 0.7%︎ Arsenic: 1.6%︎ Germanium: 3.6%︎ Manganese: 5.1%︎ Carbon: 23.1%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 14.8%︎ Sulphur: 27.5%︎ Hephaestus A 3 d - Icy body Landable
Body distance1,811 LsEarth masses0.0058Radius1,581 kmGravity0.09 gSurface temperature86 K (-187°C/-305°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.3%︎ Selenium: 4.2%︎ Cadmium: 0.9%︎ Molybdenum: 0.8%︎ Chromium: 5.4%︎ Zinc: 3.3%︎ Carbon: 22.5%︎ Iron: 12.1%︎ Nickel: 9.1%︎ Phosphorus: 14.4%︎ Sulphur: 26.8%︎ Hephaestus A 3 b - Icy body Landable
Body distance1,816 LsEarth masses0.0047Radius1,473 kmGravity0.09 gSurface temperature89 K (-184°C/-299°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.3%︎ Cadmium: 1.0%︎ Niobium: 0.9%︎ Chromium: 5.7%︎ Vanadium: 3.1%︎ Zirconium: 1.5%︎ Carbon: 23.2%︎ Iron: 12.6%︎ Nickel: 9.5%︎ Phosphorus: 14.8%︎ Sulphur: 27.6%︎ Hephaestus A 3 b a - Icy body Landable
Body distance1,816 LsEarth masses0.0002Radius570 kmGravity0.03 gSurface temperature89 K (-184°C/-299°F)Surface pressure0.00 atmVolcanismWater geysersAtmosphereTerraforming︎ Yttrium: 0.6%︎ Cadmium: 0.7%︎ Tungsten: 0.5%︎ Arsenic: 1.4%︎ Germanium: 3.2%︎ Manganese: 3.9%︎ Carbon: 25.8%︎ Iron: 9.5%︎ Nickel: 7.2%︎ Phosphorus: 16.5%︎ Sulphur: 30.7%︎ Hephaestus A 3 c - Icy body Landable
Body distance1,816 LsEarth masses0.0075Radius1,713 kmGravity0.10 gSurface temperature87 K (-186°C/-302°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.2%︎ Tellurium: 0.9%︎ Cadmium: 0.9%︎ Mercury: 0.5%︎ Chromium: 5.5%︎ Vanadium: 3.0%︎ Carbon: 22.5%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.4%︎ Sulphur: 26.7%︎ Hephaestus A 3 a - Icy body Landable
Body distance1,819 LsEarth masses0.0023Radius1,161 kmGravity0.07 gSurface temperature91 K (-183°C/-297°F)Surface pressure0.00 atmVolcanismMinor Carbon dioxide geysersAtmosphereTerraforming︎ Antimony: 0.7%︎ Tin: 0.7%︎ Tungsten: 0.7%︎ Chromium: 5.4%︎ Germanium: 3.5%︎ Manganese: 4.9%︎ Carbon: 22.3%︎ Iron: 12.0%︎ Nickel: 9.0%︎ Phosphorus: 14.3%︎ Sulphur: 26.5%︎ Hephaestus A 3 c a - Icy body Landable
Body distance1,824 LsEarth masses0.0003Radius632 kmGravity0.03 gSurface temperature87 K (-186°C/-302°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Antimony: 0.6%︎ Selenium: 4.6%︎ Molybdenum: 0.6%︎ Tungsten: 0.5%︎ Chromium: 4.1%︎ Germanium: 3.1%︎ Carbon: 24.9%︎ Iron: 9.2%︎ Nickel: 6.9%︎ Phosphorus: 15.9%︎ Sulphur: 29.6%︎ Hephaestus A 4 - Class I gas giant
Body distance2,441 LsRing/belt typeIcy (Pristine)
Rocky (Pristine)Earth masses173.7410Radius63,826 kmGravity1.73 gSurface temperature97 K (-176°C/-286°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Hephaestus A 4 c - Icy body
Body distance2,436 LsEarth masses0.0148Radius2,145 kmGravity0.13 gSurface temperature136 K (-137°C/-215°F)Surface pressure0.82 atmVolcanismAtmosphereMethaneTerraforming︎ Hephaestus A 4 d - Icy body
Body distance2,441 LsEarth masses0.0069Radius1,668 kmGravity0.10 gSurface temperature128 K (-145°C/-230°F)Surface pressure0.48 atmVolcanismAtmosphereMethaneTerraforming︎ Hephaestus A 4 b - Icy body Landable
Body distance2,441 LsEarth masses0.0028Radius1,237 kmGravity0.07 gSurface temperature74 K (-200°C/-327°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 0.7%︎ Cadmium: 0.9%︎ Tin: 0.7%︎ Chromium: 5.4%︎ Manganese: 4.9%︎ Zinc: 3.3%︎ Carbon: 22.3%︎ Iron: 12.0%︎ Nickel: 9.0%︎ Phosphorus: 14.3%︎ Sulphur: 26.5%︎ Hephaestus A 4 a - Icy body Landable
Body distance2,442 LsEarth masses0.0051Radius1,512 kmGravity0.09 gSurface temperature75 K (-199°C/-326°F)Surface pressure0.00 atmVolcanismWater geysersAtmosphereTerraforming︎ Antimony: 0.8%︎ Cadmium: 1.0%︎ Niobium: 0.8%︎ Arsenic: 1.6%︎ Chromium: 5.6%︎ Zinc: 3.4%︎ Carbon: 23.0%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 14.8%︎ Sulphur: 27.4%︎ Hephaestus A 4 e - Icy body
Body distance2,451 LsEarth masses0.0031Radius1,283 kmGravity0.08 gSurface temperature120 K (-153°C/-244°F)Surface pressure0.28 atmVolcanismAtmosphereMethaneTerraforming︎ Hephaestus A 4 f - Icy body
Body distance2,451 LsEarth masses0.0025Radius1,194 kmGravity0.07 gSurface temperature118 K (-155°C/-247°F)Surface pressure0.24 atmVolcanismAtmosphereMethaneTerraforming︎ Hephaestus A 5 - Icy body
Body distance2,526 LsEarth masses5.7918Radius12,851 kmGravity1.43 gSurface temperature73 K (-200°C/-328°F)Surface pressure1.07 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ Hephaestus B - Class M star
Body distance506,425 LsSolar masses0.1914Solar radius0.3299︎ Hephaestus B 5 - Class I gas giant
Body distance505,324 LsEarth masses7.8470Radius24,581 kmGravity0.53 gSurface temperature31 K (-242°C/-404°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Hephaestus B 5 b - Icy body Landable
Body distance505,315 LsEarth masses0.0002Radius517 kmGravity0.03 gSurface temperature28 K (-246°C/-410°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.8%︎ Cadmium: 1.0%︎ Molybdenum: 0.8%︎ Chromium: 5.6%︎ Zinc: 3.4%︎ Zirconium: 1.4%︎ Carbon: 23.1%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 14.8%︎ Sulphur: 27.5%︎ Hephaestus B 5 c - Icy body Landable
Body distance505,347 LsEarth masses0.0003Radius597 kmGravity0.03 gSurface temperature28 K (-246°C/-410°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.1%︎ Tellurium: 0.9%︎ Cadmium: 0.9%︎ Tungsten: 0.7%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Carbon: 22.1%︎ Iron: 11.8%︎ Nickel: 9.0%︎ Phosphorus: 14.1%︎ Sulphur: 26.2%︎ Hephaestus B 5 a - Icy body Landable
Body distance505,369 LsEarth masses0.0002Radius508 kmGravity0.03 gSurface temperature28 K (-246°C/-410°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.8%︎ Cadmium: 0.9%︎ Tungsten: 0.7%︎ Chromium: 5.5%︎ Germanium: 3.5%︎ Vanadium: 3.0%︎ Carbon: 22.7%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.5%︎ Sulphur: 27.0%︎ Hephaestus B 3 - Class I gas giant
Body distance505,669 LsEarth masses344.5220Radius73,072 kmGravity2.62 gSurface temperature90 K (-183°C/-298°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Hephaestus B 3 d - Icy body Landable
Body distance505,665 LsEarth masses0.0041Radius1,400 kmGravity0.08 gSurface temperature47 K (-226°C/-375°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Selenium: 4.1%︎ Cadmium: 0.9%︎ Tungsten: 0.7%︎ Chromium: 5.4%︎ Manganese: 4.9%︎ Carbon: 22.0%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.1%︎ Sulphur: 26.2%︎ Hephaestus B 3 a - Icy body Landable
Body distance505,669 LsEarth masses0.0010Radius867 kmGravity0.05 gSurface temperature53 K (-220°C/-364°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Tellurium: 0.9%︎ Tin: 0.7%︎ Tungsten: 0.7%︎ Chromium: 5.5%︎ Manganese: 5.0%︎ Zirconium: 1.4%︎ Carbon: 22.7%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.6%︎ Sulphur: 27.0%︎ Hephaestus B 3 c - Icy body Landable
Body distance505,671 LsEarth masses0.0014Radius988 kmGravity0.06 gSurface temperature49 K (-224°C/-372°F)Surface pressure0.00 atmVolcanismMinor Ammonia magmaAtmosphereTerraforming︎ Ruthenium: 0.8%︎ Cadmium: 1.0%︎ Tin: 0.7%︎ Chromium: 5.6%︎ Zinc: 3.4%︎ Zirconium: 1.4%︎ Carbon: 23.1%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 14.8%︎ Sulphur: 27.5%︎ Hephaestus B 3 b - Icy body Landable
Body distance505,673 LsEarth masses0.0022Radius1,143 kmGravity0.07 gSurface temperature50 K (-223°C/-369°F)Surface pressure0.00 atmVolcanismWater geysersAtmosphereTerraforming︎ Technetium: 0.4%︎ Cadmium: 1.0%︎ Molybdenum: 0.8%︎ Germanium: 3.6%︎ Manganese: 5.1%︎ Vanadium: 3.0%︎ Carbon: 22.8%︎ Iron: 12.3%︎ Nickel: 9.3%︎ Phosphorus: 14.6%︎ Sulphur: 27.2%︎ Hephaestus B 3 e - Icy body Landable
Body distance505,675 LsEarth masses0.0028Radius1,244 kmGravity0.07 gSurface temperature46 K (-227°C/-377°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 0.9%︎ Molybdenum: 0.8%︎ Niobium: 0.8%︎ Germanium: 3.5%︎ Manganese: 5.0%︎ Zinc: 3.3%︎ Carbon: 22.7%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.5%︎ Sulphur: 27.0%︎ Hephaestus B 3 d a - Icy body Landable
Body distance505,677 LsEarth masses0.0003Radius583 kmGravity0.03 gSurface temperature47 K (-226°C/-375°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Ruthenium: 0.6%︎ Selenium: 4.7%︎ Molybdenum: 0.6%︎ Tin: 0.5%︎ Arsenic: 1.4%︎ Manganese: 3.9%︎ Carbon: 25.4%︎ Iron: 9.4%︎ Nickel: 7.1%︎ Phosphorus: 16.3%︎ Sulphur: 30.2%︎ Hephaestus B 2 - High metal content world
Body distance506,396 LsEarth masses1.0097Radius6,100 kmGravity1.10 gSurface temperature435 K (162°C/324°F)Surface pressure17.16 atmVolcanismAtmosphereThick Methane-richTerraforming︎ Hephaestus B 1 - Icy body
Body distance506,478 LsEarth masses13.6043Radius15,983 kmGravity2.16 gSurface temperature2,064 K (1,791°C/3,256°F)Surface pressure3,497,359.98 atmVolcanismWater geysersAtmosphereHot Thick WaterTerraforming︎ Hephaestus B 4 - Class I gas giant
Body distance507,858 LsRing/belt typeIcy (Pristine)Earth masses92.5191Radius57,724 kmGravity1.13 gSurface temperature44 K (-229°C/-380°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Hephaestus B 4 e - Icy body Landable
Body distance507,851 LsEarth masses0.0102Radius1,920 kmGravity0.11 gSurface temperature33 K (-240°C/-400°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.7%︎ Niobium: 0.8%︎ Tin: 0.7%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Vanadium: 2.9%︎ Carbon: 22.6%︎ Iron: 11.8%︎ Nickel: 8.9%︎ Phosphorus: 14.5%︎ Sulphur: 26.9%︎ Hephaestus B 4 a - Icy body Landable
Body distance507,857 LsEarth masses0.0003Radius594 kmGravity0.03 gSurface temperature34 K (-239°C/-399°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.3%︎ Selenium: 4.3%︎ Mercury: 0.5%︎ Tungsten: 0.7%︎ Manganese: 5.1%︎ Vanadium: 3.0%︎ Carbon: 22.8%︎ Iron: 12.3%︎ Nickel: 9.3%︎ Phosphorus: 14.6%︎ Sulphur: 27.2%︎ Hephaestus B 4 b - Icy body Landable
Body distance507,862 LsEarth masses0.0003Radius558 kmGravity0.03 gSurface temperature33 K (-240°C/-400°F)Surface pressure0.00 atmVolcanismMajor Water magmaAtmosphereTerraforming︎ Selenium: 4.1%︎ Yttrium: 0.7%︎ Cadmium: 0.9%︎ Tin: 0.7%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Carbon: 22.1%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.1%︎ Sulphur: 26.3%︎ Hephaestus B 4 c - Icy body Landable
Body distance507,864 LsEarth masses0.0002Radius545 kmGravity0.03 gSurface temperature33 K (-240°C/-400°F)Surface pressure0.00 atmVolcanismMinor Carbon dioxide geysersAtmosphereTerraforming︎ Antimony: 0.7%︎ Cadmium: 0.9%︎ Niobium: 0.8%︎ Chromium: 5.4%︎ Manganese: 4.9%︎ Zinc: 3.2%︎ Carbon: 22.3%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.3%︎ Sulphur: 26.5%︎ Hephaestus B 4 d - Icy body Landable
Body distance507,866 LsEarth masses0.0002Radius491 kmGravity0.03 gSurface temperature33 K (-240°C/-400°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.7%︎ Selenium: 4.1%︎ Mercury: 0.5%︎ Tungsten: 0.7%︎ Chromium: 5.4%︎ Manganese: 4.9%︎ Carbon: 22.2%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.2%︎ Sulphur: 26.4%