Star system
HIP 20478
Economy
Extraction / High Tech
Government
Patronage
Allegiance
Empire
Star type
Class G star Scoopable
Coordinates
70.94 / -94.06 / -74.97
Permit required
No
Powerplay
Exploited
Powers
Arissa Lavigny-Duval (Controlling)
︎ HIP 20478 - Class G star
Body distance-Solar masses1.0625Solar radius1.0599︎ HIP 20478 1 - High metal content world
Body distance19 LsEarth masses4.7312Radius9,458 kmGravity2.15 gSurface temperature4,857 K (4,584°C/8,283°F)Surface pressure78,147.84 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick Silicate vapourTerraforming︎ HIP 20478 2 - Gas giant with water-based life
Body distance1,303 LsRing/belt typeRocky (Common)Earth masses450.2750Radius75,225 kmGravity3.23 gSurface temperature213 K (-60°C/-77°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 20478 2 c - Rocky body Landable
Body distance1,299 LsEarth masses0.0067Radius1,316 kmGravity0.16 gSurface temperature162 K (-111°C/-168°F)Surface pressure0.00 atmVolcanismAtmosphereThin AmmoniaTerraforming︎ Ruthenium: 1.2%︎ Mercury: 0.8%︎ Molybdenum: 1.3%︎ Germanium: 5.5%︎ Manganese: 8.0%︎ Vanadium: 4.7%︎ Carbon: 15.7%︎ Iron: 19.3%︎ Nickel: 14.6%︎ Phosphorus: 10.1%︎ Sulphur: 18.7%︎ HIP 20478 2 a - Rocky body Landable
Body distance1,302 LsEarth masses0.0027Radius974 kmGravity0.11 gSurface temperature172 K (-101°C/-150°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Selenium: 3.1%︎ Technetium: 0.7%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Chromium: 9.1%︎ Zirconium: 2.4%︎ Carbon: 16.5%︎ Iron: 20.3%︎ Nickel: 15.3%︎ Phosphorus: 10.6%︎ Sulphur: 19.6%︎ HIP 20478 2 b - Rocky body Landable
Body distance1,305 LsEarth masses0.0046Radius1,165 kmGravity0.14 gSurface temperature166 K (-107°C/-161°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.1%︎ Tellurium: 1.5%︎ Cadmium: 1.6%︎ Tungsten: 1.1%︎ Manganese: 8.4%︎ Zirconium: 2.3%︎ Carbon: 16.4%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.5%︎ Sulphur: 19.6%︎ HIP 20478 3 - Gas giant with water-based life
Body distance1,355 LsRing/belt typeMetal rich (Common)
Rocky (Common)Earth masses48.0512Radius50,485 kmGravity0.77 gSurface temperature157 K (-116°C/-177°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 20478 3 a - Rocky body Landable
Body distance1,345 LsEarth masses0.0003Radius495 kmGravity0.06 gSurface temperature158 K (-116°C/-176°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Tellurium: 1.5%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Chromium: 8.9%︎ Vanadium: 4.8%︎ Zirconium: 2.3%︎ Carbon: 16.0%︎ Iron: 19.7%︎ Nickel: 14.9%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ HIP 20478 3 c - Rocky body Landable
Body distance1,354 LsEarth masses0.0002Radius416 kmGravity0.05 gSurface temperature157 K (-116°C/-176°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.2%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Germanium: 5.7%︎ Vanadium: 4.9%︎ Zinc: 5.4%︎ Carbon: 16.1%︎ Iron: 19.8%︎ Nickel: 15.0%︎ Phosphorus: 10.3%︎ Sulphur: 19.2%︎ HIP 20478 3 b - Rocky body Landable
Body distance1,357 LsEarth masses0.0003Radius464 kmGravity0.05 gSurface temperature157 K (-116°C/-177°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Molybdenum: 1.2%︎ Tungsten: 1.0%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.1%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.6%︎ Sulphur: 17.9%︎ HIP 20478 4 - Gas giant with ammonia-based life
Body distance1,925 LsEarth masses93.9705Radius55,571 kmGravity1.24 gSurface temperature133 K (-140°C/-220°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 20478 4 a - Icy body Landable
Body distance1,926 LsEarth masses0.0087Radius1,806 kmGravity0.11 gSurface temperature114 K (-159°C/-255°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.4%︎ Mercury: 0.5%︎ Niobium: 0.8%︎ Germanium: 3.5%︎ Manganese: 5.1%︎ Vanadium: 3.0%︎ Carbon: 23.0%︎ Iron: 12.3%︎ Nickel: 9.3%︎ Phosphorus: 14.7%︎ Sulphur: 27.4%︎ HIP 20478 4 b - Icy body Landable
Body distance1,928 LsEarth masses0.0093Radius1,847 kmGravity0.11 gSurface temperature113 K (-160°C/-256°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Selenium: 4.2%︎ Niobium: 0.8%︎ Tin: 0.7%︎ Chromium: 5.4%︎ Germanium: 3.4%︎ Carbon: 22.5%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.4%︎ Sulphur: 26.8%︎ HIP 20478 4 c - Icy body Landable
Body distance1,928 LsEarth masses0.0037Radius1,364 kmGravity0.08 gSurface temperature113 K (-160°C/-256°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.2%︎ Yttrium: 0.7%︎ Cadmium: 0.9%︎ Molybdenum: 0.8%︎ Germanium: 3.5%︎ Manganese: 5.0%︎ Carbon: 22.4%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.4%︎ Sulphur: 26.7%︎ HIP 20478 4 d - Icy body Landable
Body distance1,928 LsEarth masses0.0022Radius1,143 kmGravity0.07 gSurface temperature113 K (-160°C/-256°F)Surface pressure0.00 atmVolcanismMinor Nitrogen magmaAtmosphereTerraforming︎ Ruthenium: 0.8%︎ Molybdenum: 0.8%︎ Tin: 0.7%︎ Arsenic: 1.6%︎ Chromium: 5.5%︎ Germanium: 3.5%︎ Carbon: 23.1%︎ Iron: 12.3%︎ Nickel: 9.3%︎ Phosphorus: 14.8%︎ Sulphur: 27.5%︎ HIP 20478 4 e - Icy body Landable
Body distance1,930 LsEarth masses0.0016Radius1,034 kmGravity0.06 gSurface temperature113 K (-160°C/-257°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 0.7%︎ Niobium: 0.8%︎ Tungsten: 0.7%︎ Arsenic: 1.6%︎ Chromium: 5.5%︎ Germanium: 3.5%︎ Carbon: 23.1%︎ Iron: 12.3%︎ Nickel: 9.3%︎ Phosphorus: 14.8%︎ Sulphur: 27.5%︎ HIP 20478 5 - Icy body
Body distance2,530 LsRing/belt typeIcy (Common)Earth masses11.2528Radius15,257 kmGravity1.96 gSurface temperature637 K (363°C/686°F)Surface pressure45,946.90 atmVolcanismWater geysersAtmosphereHot Thick Methane-richTerraforming