Star system
HIP 18870
Economy
Industrial / Extraction
Government
Cooperative
Allegiance
Independent
Star type
Class F star Scoopable
Coordinates
91.47 / -140.72 / -92.09
Permit required
No
︎ HIP 18870 - Class F star
Body distance-Solar masses1.4102Solar radius1.2494︎ HIP 18870 3 - Class III gas giant
Body distance1,086 LsEarth masses1,081.2200Radius76,879 kmGravity7.43 gSurface temperature418 K (144°C/292°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 18870 2 - Class III gas giant
Body distance1,109 LsRing/belt typeRocky (Major)Earth masses2,512.3800Radius70,911 kmGravity20.31 gSurface temperature753 K (480°C/896°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 18870 2 b - Rocky body
Body distance1,111 LsEarth masses0.0014Radius778 kmGravity0.09 gSurface temperature316 K (43°C/109°F)Surface pressure0.00 atmVolcanismRocky magmaAtmosphereSulphur dioxideTerraforming︎ HIP 18870 2 d - Rocky body Landable
Body distance1,119 LsEarth masses0.0022Radius914 kmGravity0.11 gSurface temperature292 K (19°C/66°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.3%︎ Mercury: 0.9%︎ Tungsten: 1.1%︎ Germanium: 5.8%︎ Zinc: 5.5%︎ Zirconium: 2.4%︎ Carbon: 16.7%︎ Iron: 20.4%︎ Nickel: 15.4%︎ Phosphorus: 10.7%︎ Sulphur: 19.8%︎ HIP 18870 2 c - Rocky body Landable
Body distance1,132 LsEarth masses0.0011Radius727 kmGravity0.08 gSurface temperature305 K (31°C/89°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Molybdenum: 1.3%︎ Niobium: 1.3%︎ Arsenic: 2.5%︎ Chromium: 8.7%︎ Germanium: 5.6%︎ Carbon: 16.0%︎ Iron: 19.4%︎ Nickel: 14.7%︎ Phosphorus: 10.2%︎ Sulphur: 19.0%︎ HIP 18870 2 a - Rocky body Landable
Body distance1,132 LsEarth masses0.0008Radius662 kmGravity0.08 gSurface temperature348 K (75°C/166°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.5%︎ Mercury: 0.8%︎ Chromium: 8.5%︎ Germanium: 5.5%︎ Vanadium: 4.7%︎ Carbon: 15.6%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ HIP 18870 4 - Class III gas giant
Body distance2,089 LsRing/belt typeMetallic (Major)
Metal rich (Major)Earth masses1,119.1300Radius76,831 kmGravity7.70 gSurface temperature347 K (74°C/166°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 18870 4 a - Rocky body Landable
Body distance2,085 LsEarth masses0.0010Radius709 kmGravity0.08 gSurface temperature212 K (-62°C/-79°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Yttrium: 1.2%︎ Cadmium: 1.5%︎ Molybdenum: 1.3%︎ Arsenic: 2.5%︎ Manganese: 8.1%︎ Vanadium: 4.8%︎ Carbon: 16.2%︎ Iron: 19.7%︎ Nickel: 14.9%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%︎ HIP 18870 4 f - Rocky body Landable
Body distance2,086 LsEarth masses0.0026Radius963 kmGravity0.11 gSurface temperature175 K (-98°C/-144°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Mercury: 0.8%︎ Tin: 1.1%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.2%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.8%︎ Sulphur: 18.1%︎ HIP 18870 4 d - Rocky body Landable
Body distance2,086 LsEarth masses0.0020Radius881 kmGravity0.10 gSurface temperature186 K (-87°C/-124°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.1%︎ Technetium: 0.7%︎ Molybdenum: 1.3%︎ Niobium: 1.4%︎ Germanium: 5.8%︎ Zinc: 5.5%︎ Carbon: 16.6%︎ Iron: 20.1%︎ Nickel: 15.2%︎ Phosphorus: 10.6%︎ Sulphur: 19.7%︎ HIP 18870 4 b - Rocky body
Body distance2,087 LsEarth masses0.0010Radius714 kmGravity0.08 gSurface temperature197 K (-76°C/-105°F)Surface pressure0.00 atmVolcanismRocky magmaAtmosphereSulphur dioxideTerraforming︎ HIP 18870 4 c - Rocky body Landable
Body distance2,089 LsEarth masses0.0018Radius862 kmGravity0.10 gSurface temperature190 K (-83°C/-118°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Molybdenum: 1.2%︎ Tungsten: 1.0%︎ Germanium: 5.5%︎ Manganese: 7.9%︎ Zinc: 5.2%︎ Carbon: 15.7%︎ Iron: 19.1%︎ Nickel: 14.4%︎ Phosphorus: 10.1%︎ Sulphur: 18.7%︎ HIP 18870 4 e - Rocky body Landable
Body distance2,089 LsEarth masses0.0030Radius1,014 kmGravity0.12 gSurface temperature181 K (-92°C/-134°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Selenium: 3.0%︎ Cadmium: 1.5%︎ Tungsten: 1.1%︎ Chromium: 8.7%︎ Germanium: 5.6%︎ Carbon: 15.9%︎ Iron: 19.3%︎ Nickel: 14.6%︎ Phosphorus: 10.2%︎ Sulphur: 18.9%︎ HIP 18870 5 - Gas giant with water-based life
Body distance2,114 LsRing/belt typeRocky (Major)Earth masses11.2688Radius29,332 kmGravity0.53 gSurface temperature163 K (-110°C/-166°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 18870 5 a - Rocky body
Body distance2,108 LsEarth masses0.0002Radius420 kmGravity0.05 gSurface temperature165 K (-108°C/-162°F)Surface pressure0.00 atmVolcanismRocky magmaAtmosphereSulphur dioxideTerraforming︎ HIP 18870 5 b - Rocky body Landable
Body distance2,109 LsEarth masses0.0004Radius515 kmGravity0.06 gSurface temperature166 K (-107°C/-161°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Niobium: 1.3%︎ Tin: 1.2%︎ Germanium: 5.5%︎ Manganese: 7.9%︎ Vanadium: 4.7%︎ Carbon: 15.7%︎ Iron: 19.2%︎ Nickel: 14.5%︎ Phosphorus: 10.1%︎ Sulphur: 18.7%︎ HIP 18870 6 g - Rocky body Landable
Body distance2,780 LsEarth masses0.0751Radius2,895 kmGravity0.36 gSurface temperature168 K (-105°C/-157°F)Surface pressure0.01 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Ruthenium: 1.2%︎ Mercury: 0.8%︎ Tin: 1.1%︎ Germanium: 5.5%︎ Manganese: 7.9%︎ Zinc: 5.2%︎ Carbon: 15.8%︎ Iron: 19.1%︎ Nickel: 14.5%︎ Phosphorus: 10.1%︎ Sulphur: 18.7%︎ HIP 18870 6 c - Rocky body Landable
Body distance2,825 LsEarth masses0.0785Radius2,937 kmGravity0.37 gSurface temperature190 K (-83°C/-117°F)Surface pressure0.01 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Ruthenium: 1.2%︎ Selenium: 3.0%︎ Cadmium: 1.5%︎ Molybdenum: 1.3%︎ Chromium: 8.8%︎ Vanadium: 4.8%︎ Carbon: 16.0%︎ Iron: 19.5%︎ Nickel: 14.7%︎ Phosphorus: 10.3%︎ Sulphur: 19.0%︎ HIP 18870 6 a - Rocky body
Body distance2,837 LsEarth masses0.0175Radius1,805 kmGravity0.22 gSurface temperature203 K (-70°C/-94°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ HIP 18870 6 f - Rocky body
Body distance2,844 LsEarth masses0.1250Radius3,405 kmGravity0.44 gSurface temperature237 K (-36°C/-33°F)Surface pressure0.36 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ HIP 18870 6 f a - Rocky body Landable
Body distance2,841 LsEarth masses0.0067Radius1,337 kmGravity0.15 gSurface temperature158 K (-116°C/-176°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.4%︎ Mercury: 0.8%︎ Tungsten: 1.0%︎ Arsenic: 2.8%︎ Vanadium: 4.7%︎ Zinc: 5.2%︎ Carbon: 18.2%︎ Iron: 19.1%︎ Nickel: 14.5%︎ Phosphorus: 11.6%︎ Sulphur: 21.6%︎ HIP 18870 6 d - Rocky body Landable
Body distance2,858 LsEarth masses0.0373Radius2,310 kmGravity0.28 gSurface temperature163 K (-110°C/-166°F)Surface pressure0.00 atmVolcanismAtmosphereThin Sulphur dioxideTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.5%︎ Mercury: 0.8%︎ Chromium: 8.5%︎ Germanium: 5.5%︎ Vanadium: 4.7%︎ Carbon: 15.6%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ HIP 18870 8 - Icy body
Body distance5,405 LsEarth masses18.4335Radius17,196 kmGravity2.53 gSurface temperature1,456 K (1,183°C/2,161°F)Surface pressure4,822,699.24 atmVolcanismWater geysersAtmosphereHot Thick WaterTerraforming︎ HIP 18870 1 - High metal content world
Body distance15 LsEarth masses2.5502Radius7,989 kmGravity1.62 gSurface temperature6,962 K (6,689°C/12,072°F)Surface pressure1,950,989.39 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick Silicate vapourTerraforming︎ HIP 18870 6 - Class Y star (brown dwarf)
Body distance2,840 LsSolar masses0.0195Solar radius0.0816︎ HIP 18870 6 e - Rocky body Landable
Body distance2,872 LsEarth masses0.0352Radius2,267 kmGravity0.28 gSurface temperature163 K (-110°C/-167°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Tin: 1.3%︎ Tungsten: 1.2%︎ Arsenic: 2.7%︎ Zinc: 5.7%︎ Zirconium: 2.4%︎ Carbon: 17.4%︎ Iron: 21.1%︎ Nickel: 15.9%︎ Phosphorus: 11.1%︎ Sulphur: 20.6%︎ HIP 18870 6 b - Rocky body Landable
Body distance2,873 LsEarth masses0.0220Radius1,944 kmGravity0.24 gSurface temperature193 K (-80°C/-112°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.7%︎ Mercury: 0.8%︎ Tin: 1.2%︎ Germanium: 5.5%︎ Manganese: 8.0%︎ Vanadium: 4.8%︎ Carbon: 15.9%︎ Iron: 19.4%︎ Nickel: 14.7%︎ Phosphorus: 10.2%︎ Sulphur: 18.9%︎ HIP 18870 6 b a - Rocky body Landable
Body distance2,835 LsEarth masses0.0013Radius777 kmGravity0.09 gSurface temperature193 K (-80°C/-112°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Yttrium: 1.1%︎ Molybdenum: 1.2%︎ Niobium: 1.2%︎ Arsenic: 2.7%︎ Chromium: 8.1%︎ Germanium: 6.0%︎ Carbon: 17.1%︎ Iron: 18.0%︎ Nickel: 13.6%︎ Phosphorus: 10.9%︎ Sulphur: 20.3%︎ HIP 18870 7 - Class III gas giant
Body distance5,240 LsRing/belt typeMetallic (Major)
Rocky (Major)Earth masses2,627.4400Radius68,862 kmGravity22.52 gSurface temperature663 K (390°C/735°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 18870 7 f a - Rocky body
Body distance5,228 LsEarth masses0.0002Radius408 kmGravity0.04 gSurface temperature227 K (-46°C/-51°F)Surface pressure0.41 atmVolcanismMinor Metallic magmaAtmosphereCarbon dioxideTerraforming︎ HIP 18870 7 d - Rocky body Landable
Body distance5,230 LsEarth masses0.0012Radius748 kmGravity0.09 gSurface temperature155 K (-118°C/-180°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Antimony: 1.2%︎ Selenium: 3.1%︎ Molybdenum: 1.3%︎ Tungsten: 1.1%︎ Arsenic: 2.6%︎ Manganese: 8.3%︎ Carbon: 16.6%︎ Iron: 20.2%︎ Nickel: 15.2%︎ Phosphorus: 10.6%︎ Sulphur: 19.7%︎ HIP 18870 7 e - Rocky body Landable
Body distance5,232 LsEarth masses0.0012Radius742 kmGravity0.09 gSurface temperature155 K (-118°C/-180°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Ruthenium: 1.3%︎ Tin: 1.2%︎ Tungsten: 1.1%︎ Arsenic: 2.6%︎ Vanadium: 5.0%︎ Zinc: 5.5%︎ Carbon: 16.8%︎ Iron: 20.4%︎ Nickel: 15.4%︎ Phosphorus: 10.7%︎ Sulphur: 19.9%︎ HIP 18870 7 a - Rocky body Landable
Body distance5,238 LsEarth masses0.0006Radius603 kmGravity0.07 gSurface temperature207 K (-67°C/-88°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Niobium: 1.3%︎ Tin: 1.1%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.1%︎ Iron: 18.4%︎ Nickel: 13.9%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ HIP 18870 7 c - Rocky body Landable
Body distance5,240 LsEarth masses0.0020Radius881 kmGravity0.10 gSurface temperature176 K (-97°C/-142°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.4%︎ Mercury: 0.8%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.1%︎ Iron: 18.4%︎ Nickel: 13.9%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ HIP 18870 7 b - Rocky body Landable
Body distance5,241 LsEarth masses0.0016Radius830 kmGravity0.10 gSurface temperature192 K (-81°C/-114°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.0%︎ Technetium: 0.7%︎ Molybdenum: 1.3%︎ Niobium: 1.3%︎ Manganese: 8.1%︎ Zinc: 5.3%︎ Carbon: 16.2%︎ Iron: 19.6%︎ Nickel: 14.9%︎ Phosphorus: 10.3%︎ Sulphur: 19.2%︎ HIP 18870 7 f - Rocky body Landable
Body distance5,251 LsEarth masses0.0044Radius1,148 kmGravity0.14 gSurface temperature182 K (-91°C/-131°F)Surface pressure0.03 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Polonium: 0.5%︎ Cadmium: 1.5%︎ Molybdenum: 1.2%︎ Chromium: 8.4%︎ Manganese: 7.7%︎ Vanadium: 4.6%︎ Carbon: 15.3%︎ Iron: 18.7%︎ Nickel: 14.1%︎ Phosphorus: 9.8%︎ Sulphur: 18.2%︎ HIP 18870 7 g - Rocky body Landable
Body distance5,253 LsEarth masses0.0024Radius938 kmGravity0.11 gSurface temperature169 K (-104°C/-156°F)Surface pressure0.02 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Tellurium: 1.5%︎ Mercury: 0.9%︎ Tin: 1.2%︎ Chromium: 8.8%︎ Zinc: 5.3%︎ Zirconium: 2.3%︎ Carbon: 16.1%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.3%︎ Sulphur: 19.2%︎ HIP 18870 9 - Water giant
Body distance8,108 LsRing/belt typeIcy (Major)Earth masses103.1300Radius23,645 kmGravity7.50 gSurface temperature140 K (-133°C/-207°F)Surface pressure42,098,988.40 atmVolcanismAtmosphereTerraforming︎ HIP 18870 9 a - Icy body
Body distance8,152 LsRing/belt typeIcy (Major)Earth masses0.6239Radius7,174 kmGravity0.49 gSurface temperature127 K (-147°C/-232°F)Surface pressure823.83 atmVolcanismAtmosphereThick NitrogenTerraforming