Star system
HIP 18431
Economy
Government
Allegiance
Independent
Star type
Class A star Scoopable
Coordinates
-77.19 / -171.38 / -413.59
Permit required
No
︎ HIP 18431 - Class A star
Body distance-Solar masses2.0664Solar radius1.5765︎ HIP 18431 1 - Helium-rich gas giant
Body distance1,969 LsRing/belt typeMetal rich (Pristine)
Rocky (Pristine)Earth masses2,736.3900Radius66,150 kmGravity25.42 gSurface temperature790 K (517°C/963°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 18431 1 a - Rocky body Landable
Body distance1,967 LsEarth masses0.0298Radius2,148 kmGravity0.26 gSurface temperature323 K (50°C/121°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Selenium: 2.9%︎ Tellurium: 1.4%︎ Molybdenum: 1.2%︎ Tin: 1.1%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.6%︎ Iron: 18.8%︎ Nickel: 14.2%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ HIP 18431 1 b - Rocky body Landable
Body distance1,972 LsEarth masses0.0248Radius2,024 kmGravity0.25 gSurface temperature295 K (22°C/71°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Selenium: 3.0%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Manganese: 8.1%︎ Vanadium: 4.8%︎ Carbon: 16.2%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%︎ HIP 18431 1 c - Rocky body Landable
Body distance1,973 LsEarth masses0.0473Radius2,493 kmGravity0.31 gSurface temperature280 K (7°C/44°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 2.9%︎ Tellurium: 1.4%︎ Cadmium: 1.5%︎ Tungsten: 1.0%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.5%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 9.9%︎ Sulphur: 18.4%︎ HIP 18431 1 c a - Rocky body Landable
Body distance1,973 LsEarth masses0.0024Radius958 kmGravity0.11 gSurface temperature280 K (7°C/44°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Antimony: 1.3%︎ Molybdenum: 1.2%︎ Niobium: 1.2%︎ Arsenic: 2.7%︎ Chromium: 8.1%︎ Zinc: 4.9%︎ Carbon: 17.2%︎ Iron: 18.1%︎ Nickel: 13.7%︎ Phosphorus: 11.0%︎ Sulphur: 20.5%︎ HIP 18431 1 d - Rocky body
Body distance1,973 LsEarth masses0.0251Radius2,032 kmGravity0.25 gSurface temperature630 K (357°C/674°F)Surface pressure2.10 atmVolcanismAtmosphereHot WaterTerraforming︎ HIP 18431 2 - High metal content world
Body distance1,975 LsEarth masses2.1584Radius7,623 kmGravity1.51 gSurface temperature1,451 K (1,178°C/2,153°F)Surface pressure5,831.30 atmVolcanismMinor Metallic magmaAtmosphereHot Thick WaterTerraforming︎ HIP 18431 3 - Class III gas giant
Body distance3,005 LsRing/belt typeMetallic (Pristine)
Metal rich (Pristine)Earth masses2,085.8800Radius70,741 kmGravity16.94 gSurface temperature582 K (309°C/588°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 18431 3 c - Rocky body Landable
Body distance2,962 LsEarth masses0.0110Radius1,551 kmGravity0.19 gSurface temperature228 K (-45°C/-49°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Molybdenum: 1.2%︎ Niobium: 1.3%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Zinc: 5.0%︎ Carbon: 15.1%︎ Iron: 18.4%︎ Nickel: 14.0%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ HIP 18431 3 a - Rocky body Landable
Body distance3,004 LsEarth masses0.0077Radius1,380 kmGravity0.16 gSurface temperature249 K (-24°C/-11°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Selenium: 3.1%︎ Mercury: 0.9%︎ Tungsten: 1.1%︎ Arsenic: 2.6%︎ Chromium: 9.0%︎ Carbon: 16.6%︎ Iron: 20.0%︎ Nickel: 15.2%︎ Phosphorus: 10.6%︎ Sulphur: 19.7%︎ HIP 18431 3 b - Rocky body Landable
Body distance3,004 LsEarth masses0.0087Radius1,435 kmGravity0.17 gSurface temperature237 K (-36°C/-33°F)Surface pressure0.00 atmVolcanismMinor Rocky magmaAtmosphereTerraforming︎ Antimony: 1.1%︎ Molybdenum: 1.2%︎ Niobium: 1.3%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Vanadium: 4.5%︎ Carbon: 15.3%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.8%︎ Sulphur: 18.2%︎ HIP 18431 3 d - Rocky body Landable
Body distance3,005 LsEarth masses0.0086Radius1,431 kmGravity0.17 gSurface temperature210 K (-63°C/-81°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.1%︎ Molybdenum: 1.2%︎ Tungsten: 1.0%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Zinc: 5.0%︎ Carbon: 15.3%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.8%︎ Sulphur: 18.2%︎ HIP 18431 3 c a - Rocky body Landable
Body distance3,006 LsEarth masses0.0007Radius641 kmGravity0.07 gSurface temperature228 K (-45°C/-49°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Niobium: 1.3%︎ Tungsten: 1.0%︎ Arsenic: 2.8%︎ Chromium: 8.4%︎ Zirconium: 2.2%︎ Carbon: 17.8%︎ Iron: 18.7%︎ Nickel: 14.1%︎ Phosphorus: 11.4%︎ Sulphur: 21.2%︎ HIP 18431 4 - Water world
Body distance3,020 LsEarth masses3.3933Radius8,658 kmGravity1.84 gSurface temperature469 K (196°C/385°F)Surface pressure26.48 atmVolcanismMajor Silicate vapour geysersAtmosphereThick Carbon dioxideTerraforming︎ HIP 18431 6 - High metal content world
Body distance4,882 LsEarth masses9.3783Radius11,316 kmGravity2.98 gSurface temperature464 K (191°C/376°F)Surface pressure122.71 atmVolcanismMajor Silicate vapour geysersAtmosphereThick Methane-richTerraforming︎ HIP 18431 5 - Class III gas giant
Body distance4,943 LsRing/belt typeMetal rich (Pristine)Earth masses2,880.9200Radius65,853 kmGravity27.00 gSurface temperature758 K (485°C/905°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 18431 5 c - Rocky body Landable
Body distance4,938 LsEarth masses0.0065Radius1,304 kmGravity0.15 gSurface temperature204 K (-70°C/-93°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Niobium: 1.4%︎ Tin: 1.2%︎ Germanium: 5.8%︎ Zinc: 5.5%︎ Zirconium: 2.3%︎ Carbon: 16.7%︎ Iron: 20.2%︎ Nickel: 15.2%︎ Phosphorus: 10.7%︎ Sulphur: 19.8%︎ HIP 18431 5 d - Rocky body Landable
Body distance4,940 LsEarth masses0.0244Radius2,012 kmGravity0.24 gSurface temperature184 K (-89°C/-128°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Cadmium: 1.4%︎ Molybdenum: 1.2%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.2%︎ Iron: 18.3%︎ Nickel: 13.9%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ HIP 18431 5 b - Rocky body Landable
Body distance4,943 LsEarth masses0.0094Radius1,474 kmGravity0.18 gSurface temperature218 K (-55°C/-67°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Molybdenum: 1.2%︎ Niobium: 1.3%︎ Chromium: 8.2%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.1%︎ Iron: 18.3%︎ Nickel: 13.9%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ HIP 18431 5 a - Rocky body Landable
Body distance4,943 LsEarth masses0.0061Radius1,280 kmGravity0.15 gSurface temperature250 K (-24°C/-10°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Yttrium: 1.1%︎ Niobium: 1.3%︎ Tin: 1.1%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.2%︎ Iron: 18.4%︎ Nickel: 13.9%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ HIP 18431 7 - Class Y star (brown dwarf)
Body distance7,414 LsSolar masses0.0313Solar radius0.1134