Star system
HR 8631
Economy
Agriculture / Colony
Government
Confederacy
Allegiance
Independent
Star type
Class G star Scoopable
Coordinates
-86.38 / -67.56 / 11.38
Permit required
No
︎ HR 8631 - Class G star
Body distance-Solar masses1.6445Solar radius1.3497︎ HR 8631 1 - Metal-rich body
Body distance19 LsEarth masses2.5247Radius6,996 kmGravity2.10 gSurface temperature6,608 K (6,335°C/11,435°F)Surface pressure3,352,578.34 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick Metallic vapourTerraforming︎ HR 8631 4 - Earth-like world
Body distance1,170 LsRing/belt typeMetal rich (Major)
Rocky (Major)Earth masses1.6236Radius7,022 kmGravity1.34 gSurface temperature329 K (56°C/132°F)Surface pressure1.26 atmVolcanismMinor Metallic magmaAtmosphereSuitable for water-based lifeTerraformingTerraformed︎ HR 8631 3 - Class III gas giant
Body distance1,191 LsRing/belt typeRocky (Major)Earth masses1,987.4100Radius73,544 kmGravity14.93 gSurface temperature627 K (354°C/669°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 8631 3 b - Rocky body Landable
Body distance1,190 LsEarth masses0.0072Radius1,351 kmGravity0.16 gSurface temperature303 K (30°C/86°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.4%︎ Mercury: 0.8%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Zinc: 5.0%︎ Carbon: 15.2%︎ Iron: 18.4%︎ Nickel: 13.9%︎ Phosphorus: 9.8%︎ Sulphur: 18.1%︎ HR 8631 3 a - Rocky body Landable
Body distance1,195 LsEarth masses0.0081Radius1,403 kmGravity0.17 gSurface temperature318 K (45°C/112°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.5%︎ Molybdenum: 1.3%︎ Germanium: 5.4%︎ Manganese: 7.9%︎ Vanadium: 4.7%︎ Carbon: 15.6%︎ Iron: 19.2%︎ Nickel: 14.5%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ HR 8631 7 - Class IV gas giant
Body distance3,196 LsRing/belt typeRocky (Major)Earth masses3,253.8900Radius67,098 kmGravity29.37 gSurface temperature888 K (615°C/1,138°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 8631 7 e - Rocky body Landable
Body distance3,127 LsEarth masses0.0114Radius1,569 kmGravity0.19 gSurface temperature203 K (-70°C/-95°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.7%︎ Niobium: 1.3%︎ Tungsten: 1.0%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Zirconium: 2.2%︎ Carbon: 15.8%︎ Iron: 19.1%︎ Nickel: 14.5%︎ Phosphorus: 10.1%︎ Sulphur: 18.8%︎ HR 8631 7 g - Rocky body Landable
Body distance3,152 LsEarth masses0.0178Radius1,816 kmGravity0.22 gSurface temperature190 K (-83°C/-118°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Molybdenum: 1.3%︎ Niobium: 1.3%︎ Chromium: 8.6%︎ Vanadium: 4.7%︎ Zinc: 5.2%︎ Carbon: 15.8%︎ Iron: 19.2%︎ Nickel: 14.5%︎ Phosphorus: 10.1%︎ Sulphur: 18.8%︎ HR 8631 7 f - Rocky body Landable
Body distance3,162 LsEarth masses0.0183Radius1,834 kmGravity0.22 gSurface temperature196 K (-77°C/-106°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Selenium: 3.0%︎ Cadmium: 1.5%︎ Molybdenum: 1.3%︎ Chromium: 8.7%︎ Germanium: 5.6%︎ Carbon: 16.0%︎ Iron: 19.4%︎ Nickel: 14.7%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ HR 8631 7 d - Rocky body Landable
Body distance3,186 LsEarth masses0.0107Radius1,540 kmGravity0.18 gSurface temperature221 K (-53°C/-63°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.2%︎ Mercury: 0.9%︎ Tin: 1.2%︎ Germanium: 5.7%︎ Vanadium: 4.9%︎ Zinc: 5.4%︎ Carbon: 16.3%︎ Iron: 19.8%︎ Nickel: 14.9%︎ Phosphorus: 10.4%︎ Sulphur: 19.4%︎ HR 8631 7 a - Rocky body Landable
Body distance3,190 LsEarth masses0.0075Radius1,368 kmGravity0.16 gSurface temperature245 K (-28°C/-18°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.0%︎ Yttrium: 1.2%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Chromium: 8.7%︎ Zinc: 5.3%︎ Carbon: 16.0%︎ Iron: 19.4%︎ Nickel: 14.7%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ HR 8631 7 b - Rocky body Landable
Body distance3,190 LsEarth masses0.0162Radius1,762 kmGravity0.21 gSurface temperature231 K (-43°C/-45°F)Surface pressure0.00 atmVolcanismMinor Silicate vapour geysersAtmosphereTerraforming︎ Yttrium: 1.2%︎ Mercury: 0.9%︎ Tin: 1.2%︎ Arsenic: 2.5%︎ Chromium: 8.9%︎ Vanadium: 4.8%︎ Carbon: 16.3%︎ Iron: 19.7%︎ Nickel: 14.9%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%︎ HR 8631 7 c - Rocky body Landable
Body distance3,224 LsEarth masses0.0095Radius1,477 kmGravity0.18 gSurface temperature231 K (-43°C/-45°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Polonium: 0.5%︎ Mercury: 0.9%︎ Molybdenum: 1.3%︎ Chromium: 8.9%︎ Zinc: 5.4%︎ Zirconium: 2.3%︎ Carbon: 16.3%︎ Iron: 19.7%︎ Nickel: 14.9%︎ Phosphorus: 10.4%︎ Sulphur: 19.4%︎ HR 8631 2 - Class III gas giant
Body distance882 LsRing/belt typeMetal rich (Major)Earth masses744.8280Radius76,464 kmGravity5.18 gSurface temperature382 K (108°C/227°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 8631 2 a - Rocky body Landable
Body distance881 LsEarth masses0.0069Radius1,331 kmGravity0.16 gSurface temperature303 K (29°C/85°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Antimony: 1.2%︎ Niobium: 1.3%︎ Tungsten: 1.1%︎ Chromium: 8.8%︎ Vanadium: 4.8%︎ Zirconium: 2.3%︎ Carbon: 16.2%︎ Iron: 19.6%︎ Nickel: 14.9%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%︎ HR 8631 2 b - Rocky body
Body distance882 LsEarth masses0.0051Radius1,207 kmGravity0.14 gSurface temperature297 K (24°C/76°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ HR 8631 2 c - Rocky body Landable
Body distance884 LsEarth masses0.0028Radius992 kmGravity0.12 gSurface temperature293 K (20°C/68°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.1%︎ Molybdenum: 1.2%︎ Tungsten: 1.0%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.2%︎ Iron: 18.4%︎ Nickel: 13.9%︎ Phosphorus: 9.7%︎ Sulphur: 18.1%︎ HR 8631 5 - Class IV gas giant
Body distance1,518 LsRing/belt typeRocky (Major)Earth masses3,614.3000Radius65,509 kmGravity34.23 gSurface temperature1,048 K (774°C/1,426°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 8631 5 a - Rocky body Landable
Body distance1,518 LsEarth masses0.0090Radius1,452 kmGravity0.17 gSurface temperature388 K (115°C/239°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Yttrium: 1.2%︎ Cadmium: 1.6%︎ Tin: 1.2%︎ Germanium: 5.8%︎ Vanadium: 5.0%︎ Zirconium: 2.4%︎ Carbon: 16.7%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.7%︎ Sulphur: 19.9%︎ HR 8631 5 c - Icy body
Body distance1,520 LsRing/belt typeRocky (Major)Earth masses0.1405Radius4,493 kmGravity0.28 gSurface temperature226 K (-47°C/-53°F)Surface pressure0.41 atmVolcanismAtmosphereSulphur dioxideTerraforming︎ HR 8631 5 b - Rocky body Landable
Body distance1,525 LsEarth masses0.0058Radius1,256 kmGravity0.15 gSurface temperature340 K (66°C/151°F)Surface pressure0.00 atmVolcanismMinor Rocky magmaAtmosphereTerraforming︎ Antimony: 1.2%︎ Selenium: 3.1%︎ Mercury: 0.9%︎ Molybdenum: 1.3%︎ Chromium: 9.0%︎ Zirconium: 2.3%︎ Carbon: 16.6%︎ Iron: 20.1%︎ Nickel: 15.2%︎ Phosphorus: 10.6%︎ Sulphur: 19.7%︎ HR 8631 6 - Class IV gas giant
Body distance1,914 LsRing/belt typeMetal rich (Major)
Rocky (Major)Earth masses3,563.8700Radius65,669 kmGravity33.59 gSurface temperature1,008 K (735°C/1,354°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 8631 6 g - Rocky body Landable
Body distance1,902 LsEarth masses0.0035Radius1,061 kmGravity0.13 gSurface temperature231 K (-42°C/-44°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.5%︎ Tin: 1.1%︎ Chromium: 8.5%︎ Vanadium: 4.7%︎ Zinc: 5.2%︎ Carbon: 15.7%︎ Iron: 19.0%︎ Nickel: 14.3%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ HR 8631 6 c - Rocky body
Body distance1,918 LsEarth masses0.0033Radius1,043 kmGravity0.12 gSurface temperature898 K (625°C/1,157°F)Surface pressure44.90 atmVolcanismAtmosphereHot Thick WaterTerraforming︎ HR 8631 6 e - Rocky body Landable
Body distance2,145 LsEarth masses0.0031Radius1,019 kmGravity0.12 gSurface temperature246 K (-27°C/-16°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.1%︎ Yttrium: 1.2%︎ Molybdenum: 1.3%︎ Niobium: 1.4%︎ Germanium: 5.8%︎ Zinc: 5.4%︎ Carbon: 16.5%︎ Iron: 20.0%︎ Nickel: 15.1%︎ Phosphorus: 10.6%︎ Sulphur: 19.6%︎ HR 8631 6 f - Rocky body Landable
Body distance2,156 LsEarth masses0.0023Radius930 kmGravity0.11 gSurface temperature240 K (-33°C/-27°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Arsenic: 2.5%︎ Germanium: 5.6%︎ Manganese: 8.1%︎ Carbon: 16.2%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.3%︎ Sulphur: 19.2%︎ HR 8631 6 a - Rocky body Landable
Body distance2,166 LsEarth masses0.0015Radius797 kmGravity0.09 gSurface temperature353 K (80°C/176°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Selenium: 3.2%︎ Tellurium: 1.5%︎ Mercury: 0.9%︎ Molybdenum: 1.3%︎ Arsenic: 2.7%︎ Germanium: 5.9%︎ Carbon: 17.0%︎ Iron: 20.6%︎ Nickel: 15.6%︎ Phosphorus: 10.9%︎ Sulphur: 20.3%︎ HR 8631 6 d - Rocky body
Body distance2,199 LsEarth masses0.0021Radius902 kmGravity0.11 gSurface temperature880 K (607°C/1,125°F)Surface pressure38.33 atmVolcanismMajor Rocky magmaAtmosphereHot Thick Sulphur dioxideTerraforming︎ HR 8631 6 b - Rocky body Landable
Body distance2,271 LsEarth masses0.0013Radius776 kmGravity0.09 gSurface temperature324 K (51°C/124°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.0%︎ Tellurium: 1.5%︎ Niobium: 1.3%︎ Tungsten: 1.1%︎ Manganese: 8.1%︎ Vanadium: 4.8%︎ Carbon: 16.2%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.4%︎ Sulphur: 19.2%