Star system
HR 638
Economy
Agriculture / Extraction
Government
Dictatorship
Allegiance
Empire
Star type
Class F star Scoopable
Coordinates
-5.78 / -139.53 / -67.88
Permit required
No
︎ HR 638 - Class F star
Body distance-Solar masses1.8125Solar radius1.4738︎ HR 638 1 - Class III gas giant
Body distance1,636 LsEarth masses1,003.6200Radius76,886 kmGravity6.90 gSurface temperature385 K (112°C/234°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 638 1 d - Rocky body
Body distance1,630 LsEarth masses0.0010Radius711 kmGravity0.08 gSurface temperature242 K (-31°C/-23°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ HR 638 1 e - Rocky body Landable
Body distance1,632 LsEarth masses0.0007Radius636 kmGravity0.07 gSurface temperature242 K (-31°C/-23°F)Surface pressure0.00 atmVolcanismMinor Silicate vapour geysersAtmosphereTerraforming︎ Selenium: 3.2%︎ Tellurium: 1.6%︎ Mercury: 0.9%︎ Tungsten: 1.1%︎ Arsenic: 2.7%︎ Germanium: 6.0%︎ Carbon: 17.1%︎ Iron: 20.7%︎ Nickel: 15.6%︎ Phosphorus: 10.9%︎ Sulphur: 20.3%︎ HR 638 1 b - Rocky body Landable
Body distance1,634 LsEarth masses0.0008Radius639 kmGravity0.07 gSurface temperature250 K (-23°C/-9°F)Surface pressure0.00 atmVolcanismMinor Water magmaAtmosphereTerraforming︎ Selenium: 3.0%︎ Yttrium: 1.2%︎ Cadmium: 1.5%︎ Mercury: 0.9%︎ Manganese: 8.1%︎ Zinc: 5.3%︎ Carbon: 16.1%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ HR 638 1 a - Rocky body
Body distance1,637 LsEarth masses0.0004Radius516 kmGravity0.06 gSurface temperature743 K (469°C/877°F)Surface pressure11.53 atmVolcanismAtmosphereHot Thick WaterTerraforming︎ HR 638 1 c - Rocky body Landable
Body distance1,639 LsEarth masses0.0004Radius525 kmGravity0.06 gSurface temperature245 K (-28°C/-18°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Molybdenum: 1.3%︎ Tungsten: 1.1%︎ Germanium: 5.6%︎ Manganese: 7.9%︎ Vanadium: 4.7%︎ Carbon: 15.8%︎ Iron: 19.1%︎ Nickel: 14.5%︎ Phosphorus: 10.1%︎ Sulphur: 18.8%︎ HR 638 1 f - Rocky body Landable
Body distance1,642 LsEarth masses0.0007Radius633 kmGravity0.07 gSurface temperature239 K (-34°C/-29°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Selenium: 3.0%︎ Niobium: 1.3%︎ Tin: 1.2%︎ Germanium: 5.6%︎ Manganese: 8.0%︎ Carbon: 16.1%︎ Iron: 19.5%︎ Nickel: 14.7%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ HR 638 3 - Gas giant with water-based life
Body distance2,289 LsRing/belt typeMetal rich (Common)Earth masses13.2719Radius33,819 kmGravity0.47 gSurface temperature186 K (-87°C/-125°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 638 3 c - Rocky body Landable
Body distance2,288 LsEarth masses0.0005Radius543 kmGravity0.06 gSurface temperature188 K (-85°C/-121°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.5%︎ Cadmium: 1.5%︎ Niobium: 1.3%︎ Chromium: 8.7%︎ Germanium: 5.6%︎ Zirconium: 2.2%︎ Carbon: 16.0%︎ Iron: 19.3%︎ Nickel: 14.6%︎ Phosphorus: 10.2%︎ Sulphur: 19.0%︎ HR 638 3 b - Rocky body Landable
Body distance2,324 LsEarth masses0.0003Radius470 kmGravity0.05 gSurface temperature188 K (-85°C/-121°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Molybdenum: 1.2%︎ Tungsten: 1.0%︎ Chromium: 8.5%︎ Germanium: 5.5%︎ Zinc: 5.1%︎ Carbon: 15.6%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ HR 638 3 a - Rocky body
Body distance2,325 LsEarth masses0.0006Radius578 kmGravity0.07 gSurface temperature188 K (-85°C/-121°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ HR 638 2 - Class II gas giant
Body distance2,314 LsRing/belt typeMetal rich (Common)
Rocky (Common)Earth masses383.7910Radius73,451 kmGravity2.89 gSurface temperature233 K (-41°C/-41°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 638 2 a - Rocky body Landable
Body distance2,309 LsEarth masses0.0010Radius709 kmGravity0.08 gSurface temperature201 K (-72°C/-97°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Selenium: 3.0%︎ Tellurium: 1.5%︎ Cadmium: 1.5%︎ Molybdenum: 1.3%︎ Germanium: 5.6%︎ Manganese: 8.0%︎ Carbon: 16.0%︎ Iron: 19.4%︎ Nickel: 14.6%︎ Phosphorus: 10.2%︎ Sulphur: 19.0%︎ HR 638 2 d - Rocky body Landable
Body distance2,311 LsEarth masses0.0047Radius1,171 kmGravity0.14 gSurface temperature192 K (-81°C/-114°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.1%︎ Cadmium: 1.4%︎ Molybdenum: 1.2%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.1%︎ Iron: 18.3%︎ Nickel: 13.9%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ HR 638 2 b - Rocky body
Body distance2,313 LsEarth masses0.0008Radius648 kmGravity0.08 gSurface temperature198 K (-75°C/-103°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ HR 638 2 c - Rocky body Landable
Body distance2,314 LsEarth masses0.0031Radius1,020 kmGravity0.12 gSurface temperature194 K (-79°C/-110°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Cadmium: 1.5%︎ Tungsten: 1.1%︎ Arsenic: 2.5%︎ Germanium: 5.7%︎ Manganese: 8.1%︎ Carbon: 16.1%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.3%︎ Sulphur: 19.2%︎ HR 638 4 - Class II gas giant
Body distance3,211 LsEarth masses73.7320Radius52,678 kmGravity1.08 gSurface temperature160 K (-113°C/-171°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 638 4 b - Rocky body Landable
Body distance3,210 LsEarth masses0.0041Radius1,124 kmGravity0.13 gSurface temperature159 K (-115°C/-174°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.2%︎ Tin: 1.2%︎ Tungsten: 1.1%︎ Manganese: 8.2%︎ Vanadium: 4.9%︎ Zirconium: 2.3%︎ Carbon: 16.4%︎ Iron: 19.8%︎ Nickel: 15.0%︎ Phosphorus: 10.5%︎ Sulphur: 19.5%︎ HR 638 4 a - Rocky body Landable
Body distance3,211 LsEarth masses0.0040Radius1,112 kmGravity0.13 gSurface temperature160 K (-114°C/-172°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Yttrium: 1.2%︎ Cadmium: 1.6%︎ Mercury: 0.9%︎ Arsenic: 2.6%︎ Vanadium: 5.0%︎ Zinc: 5.5%︎ Carbon: 16.7%︎ Iron: 20.4%︎ Nickel: 15.4%︎ Phosphorus: 10.7%︎ Sulphur: 19.9%