Star system
39 Pegasi
Economy
Government
Allegiance
Independent
Star type
Class F star Scoopable
Coordinates
-138.31 / -87 / 12.97
Permit required
No
Powerplay
Unoccupied
Powers
︎ 39 Pegasi - Class F star
Body distance-Solar masses1.6367Solar radius1.3273︎ 39 Pegasi 1 - Class III gas giant
Body distance1,542 LsRing/belt typeRocky (Pristine)Earth masses2,659.0000Radius69,802 kmGravity22.18 gSurface temperature782 K (509°C/948°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 39 Pegasi 1 b - Rocky body
Body distance1,533 LsEarth masses0.0126Radius1,621 kmGravity0.19 gSurface temperature571 K (298°C/569°F)Surface pressure1.30 atmVolcanismAtmosphereHot WaterTerraforming︎ 39 Pegasi 1 a - Rocky body
Body distance1,547 LsEarth masses0.0054Radius1,231 kmGravity0.15 gSurface temperature563 K (290°C/554°F)Surface pressure0.73 atmVolcanismAtmosphereHot WaterTerraforming︎ 39 Pegasi 1 c - Icy body Landable
Body distance1,557 LsRing/belt typeMetal rich (Pristine)Earth masses0.2505Radius5,387 kmGravity0.35 gSurface temperature224 K (-49°C/-57°F)Surface pressure0.06 atmVolcanismAtmosphereThin ArgonTerraforming︎ Selenium: 4.1%︎ Yttrium: 0.7%︎ Niobium: 0.8%︎ Tungsten: 0.6%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Carbon: 22.2%︎ Iron: 11.8%︎ Nickel: 8.9%︎ Phosphorus: 14.2%︎ Sulphur: 26.4%︎ 39 Pegasi 3 - High metal content world
Body distance1,943 LsEarth masses1.6496Radius7,670 kmGravity1.14 gSurface temperature213 K (-60°C/-75°F)Surface pressure9.17 atmVolcanismMinor Metallic magmaAtmosphereThick Argon-richTerraformingTerraformable︎ 39 Pegasi 2 a - Rocky body Landable
Body distance1,955 LsEarth masses0.0183Radius1,857 kmGravity0.22 gSurface temperature200 K (-73°C/-100°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.1%︎ Cadmium: 1.4%︎ Molybdenum: 1.2%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Vanadium: 4.5%︎ Carbon: 15.3%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.8%︎ Sulphur: 18.2%︎ 39 Pegasi 4 - Class III gas giant
Body distance3,734 LsRing/belt typeMetal rich (Pristine)Earth masses2,062.1800Radius72,660 kmGravity15.87 gSurface temperature553 K (280°C/536°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 39 Pegasi 4 g - Rocky body Landable
Body distance3,698 LsEarth masses0.0069Radius1,331 kmGravity0.16 gSurface temperature161 K (-113°C/-171°F)Surface pressure0.00 atmVolcanismAtmosphereThin AmmoniaTerraforming︎ Ruthenium: 1.2%︎ Molybdenum: 1.2%︎ Niobium: 1.3%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Zirconium: 2.2%︎ Carbon: 15.6%︎ Iron: 19.1%︎ Nickel: 14.5%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ 39 Pegasi 4 b - Rocky body Landable
Body distance3,725 LsEarth masses0.0037Radius1,087 kmGravity0.13 gSurface temperature183 K (-90°C/-130°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.5%︎ Molybdenum: 1.2%︎ Chromium: 8.6%︎ Germanium: 5.4%︎ Vanadium: 4.7%︎ Carbon: 15.4%︎ Iron: 19.1%︎ Nickel: 14.4%︎ Phosphorus: 9.9%︎ Sulphur: 18.4%︎ 39 Pegasi 4 a - Rocky body Landable
Body distance3,742 LsEarth masses0.0024Radius941 kmGravity0.11 gSurface temperature183 K (-90°C/-130°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Ruthenium: 1.3%︎ Cadmium: 1.6%︎ Tin: 1.2%︎ Arsenic: 2.7%︎ Germanium: 6.0%︎ Zirconium: 2.4%︎ Carbon: 17.0%︎ Iron: 20.8%︎ Nickel: 15.7%︎ Phosphorus: 10.9%︎ Sulphur: 20.3%︎ 39 Pegasi 4 c - Rocky body Landable
Body distance3,745 LsEarth masses0.0046Radius1,162 kmGravity0.14 gSurface temperature177 K (-96°C/-141°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 2.9%︎ Tellurium: 1.4%︎ Cadmium: 1.5%︎ Molybdenum: 1.2%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.4%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 9.9%︎ Sulphur: 18.3%︎ 39 Pegasi 4 d - Rocky body Landable
Body distance3,749 LsEarth masses0.0073Radius1,354 kmGravity0.16 gSurface temperature172 K (-101°C/-150°F)Surface pressure0.00 atmVolcanismAtmosphereThin AmmoniaTerraforming︎ Polonium: 0.5%︎ Molybdenum: 1.2%︎ Tungsten: 1.0%︎ Chromium: 8.4%︎ Manganese: 7.7%︎ Zinc: 5.1%︎ Carbon: 15.2%︎ Iron: 18.7%︎ Nickel: 14.2%︎ Phosphorus: 9.8%︎ Sulphur: 18.1%︎ 39 Pegasi 4 e - Rocky body Landable
Body distance3,754 LsEarth masses0.0059Radius1,264 kmGravity0.15 gSurface temperature168 K (-106°C/-158°F)Surface pressure0.00 atmVolcanismAtmosphereThin AmmoniaTerraforming︎ Yttrium: 1.1%︎ Mercury: 0.8%︎ Molybdenum: 1.3%︎ Germanium: 5.5%︎ Manganese: 7.9%︎ Zinc: 5.2%︎ Carbon: 15.7%︎ Iron: 19.2%︎ Nickel: 14.5%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ 39 Pegasi 4 f - Rocky body Landable
Body distance3,754 LsEarth masses0.0067Radius1,320 kmGravity0.16 gSurface temperature165 K (-108°C/-163°F)Surface pressure0.00 atmVolcanismAtmosphereThin AmmoniaTerraforming︎ Polonium: 0.5%︎ Cadmium: 1.5%︎ Niobium: 1.3%︎ Chromium: 8.9%︎ Zinc: 5.4%︎ Zirconium: 2.3%︎ Carbon: 16.1%︎ Iron: 19.7%︎ Nickel: 14.9%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ 39 Pegasi 2 - Class Y star (brown dwarf)
Body distance1,957 LsSolar masses0.0156Solar radius0.0728