Star system
HIP 81831
Economy
Extraction / Industrial
Government
Corporate
Allegiance
Alliance
Star type
Class G star Scoopable
Coordinates
-68 / 79.94 / 83.5
Permit required
No
Powerplay
Unoccupied
Powers
︎ HIP 81831 - Class G star
Body distance-Solar masses0.9883Solar radius0.9690︎ HIP 81831 1 - High metal content world
Body distance14 LsEarth masses24.8611Radius14,151 kmGravity5.05 gSurface temperature6,052 K (5,779°C/10,434°F)Surface pressure19,109,499.14 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick Silicate vapourTerraforming︎ HIP 81831 2 - Class I gas giant
Body distance1,612 LsRing/belt typeRocky (Common)Earth masses54.1267Radius44,467 kmGravity1.11 gSurface temperature107 K (-166°C/-267°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 81831 2 a - Rocky body Landable
Body distance1,612 LsEarth masses0.0018Radius850 kmGravity0.10 gSurface temperature106 K (-167°C/-269°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Technetium: 0.7%︎ Cadmium: 1.5%︎ Molybdenum: 1.2%︎ Chromium: 8.5%︎ Germanium: 5.4%︎ Zinc: 5.2%︎ Carbon: 15.6%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ HIP 81831 2 b - Rocky body Landable
Body distance1,612 LsEarth masses0.0068Radius1,323 kmGravity0.16 gSurface temperature106 K (-167°C/-269°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.1%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Chromium: 9.0%︎ Germanium: 5.2%︎ Zirconium: 2.3%︎ Carbon: 15.9%︎ Iron: 19.9%︎ Nickel: 15.1%︎ Phosphorus: 10.2%︎ Sulphur: 18.9%︎ HIP 81831 3 - Class I gas giant
Body distance2,236 LsRing/belt typeMetal rich (Common)Earth masses50.3957Radius38,883 kmGravity1.36 gSurface temperature91 K (-182°C/-296°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 81831 4 - Class III gas giant
Body distance5,306 LsRing/belt typeMetal rich (Common)Earth masses1,116.0800Radius74,454 kmGravity8.18 gSurface temperature250 K (-23°C/-9°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 81831 4 c - Rocky body Landable
Body distance5,303 LsEarth masses0.0010Radius699 kmGravity0.08 gSurface temperature89 K (-184°C/-299°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Niobium: 1.3%︎ Tungsten: 1.0%︎ Chromium: 8.6%︎ Germanium: 5.5%︎ Vanadium: 4.7%︎ Carbon: 15.7%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 10.1%︎ Sulphur: 18.7%︎ HIP 81831 4 d - Rocky body Landable
Body distance5,304 LsEarth masses0.0027Radius970 kmGravity0.11 gSurface temperature83 K (-190°C/-309°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.2%︎ Niobium: 1.4%︎ Tungsten: 1.1%︎ Arsenic: 2.6%︎ Vanadium: 5.0%︎ Zinc: 5.6%︎ Carbon: 16.7%︎ Iron: 20.4%︎ Nickel: 15.4%︎ Phosphorus: 10.7%︎ Sulphur: 19.8%︎ HIP 81831 4 b - Rocky body
Body distance5,305 LsEarth masses0.0008Radius653 kmGravity0.08 gSurface temperature101 K (-172°C/-278°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ HIP 81831 4 a - Rocky body Landable
Body distance5,306 LsEarth masses0.0013Radius775 kmGravity0.09 gSurface temperature108 K (-166°C/-266°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Antimony: 1.2%︎ Selenium: 3.0%︎ Tin: 1.2%︎ Tungsten: 1.1%︎ Germanium: 5.6%︎ Manganese: 8.1%︎ Carbon: 16.0%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ HIP 81831 4 d a - Rocky body Landable
Body distance5,306 LsEarth masses0.0002Radius438 kmGravity0.05 gSurface temperature83 K (-190°C/-309°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Ruthenium: 1.1%︎ Mercury: 0.8%︎ Molybdenum: 1.2%︎ Chromium: 7.9%︎ Germanium: 5.8%︎ Zinc: 4.8%︎ Carbon: 16.8%︎ Iron: 17.6%︎ Nickel: 13.3%︎ Phosphorus: 10.7%︎ Sulphur: 20.0%︎ HIP 81831 5 - Class I gas giant
Body distance5,343 LsRing/belt typeMetal rich (Common)Earth masses20.4977Radius35,722 kmGravity0.65 gSurface temperature66 K (-207°C/-340°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 81831 5 a - Rocky ice world Landable
Body distance5,344 LsEarth masses0.0005Radius576 kmGravity0.06 gSurface temperature59 K (-214°C/-353°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereTerraforming︎ Tellurium: 1.3%︎ Niobium: 1.2%︎ Tungsten: 1.0%︎ Chromium: 7.8%︎ Manganese: 7.2%︎ Vanadium: 4.3%︎ Carbon: 16.5%︎ Iron: 17.4%︎ Nickel: 13.1%︎ Phosphorus: 10.6%︎ Sulphur: 19.7%︎ HIP 81831 6 - Class II gas giant
Body distance7,379 LsRing/belt typeIcy (Common)
Rocky (Common)Earth masses914.9360Radius75,116 kmGravity6.59 gSurface temperature199 K (-74°C/-102°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 81831 6 a - Icy body Landable
Body distance7,379 LsEarth masses0.0188Radius2,321 kmGravity0.14 gSurface temperature77 K (-196°C/-320°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Yttrium: 0.7%︎ Mercury: 0.5%︎ Niobium: 0.8%︎ Arsenic: 1.6%︎ Manganese: 5.1%︎ Vanadium: 3.1%︎ Carbon: 23.4%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 15.0%︎ Sulphur: 27.8%︎ HIP 81831 6 b - Icy body
Body distance7,379 LsEarth masses0.0443Radius3,062 kmGravity0.19 gSurface temperature254 K (-19°C/-3°F)Surface pressure185.19 atmVolcanismCarbon dioxide geysersAtmosphereThick Carbon dioxide-richTerraforming︎ HIP 81831 7 - Icy body
Body distance7,438 LsEarth masses13.7652Radius16,054 kmGravity2.17 gSurface temperature50 K (-223°C/-369°F)Surface pressure2.45 atmVolcanismWater geysersAtmosphereHeliumTerraforming