Star system
HIP 81755
Economy
Colony / Refinery
Government
Cooperative
Allegiance
Independent
Star type
Class G star Scoopable
Coordinates
-132.03 / 104.44 / -10.31
Permit required
No
︎ HIP 81755 - Class G star
Body distance-Solar masses0.9805Solar radius0.9718︎ HIP 81755 1 - Class III gas giant
Body distance561 LsRing/belt typeRocky (Pristine)Earth masses225.0010Radius67,396 kmGravity2.01 gSurface temperature256 K (-17°C/1°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 81755 1 a - Rocky body Landable
Body distance561 LsEarth masses0.0076Radius1,375 kmGravity0.16 gSurface temperature241 K (-32°C/-26°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Molybdenum: 1.2%︎ Tin: 1.1%︎ Germanium: 5.5%︎ Manganese: 7.9%︎ Zinc: 5.2%︎ Carbon: 15.7%︎ Iron: 19.1%︎ Nickel: 14.5%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ HIP 81755 2 - Class III gas giant
Body distance685 LsEarth masses486.9820Radius74,979 kmGravity3.52 gSurface temperature277 K (4°C/38°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 81755 2 f - Rocky body Landable
Body distance678 LsEarth masses0.0026Radius970 kmGravity0.11 gSurface temperature219 K (-55°C/-66°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.5%︎ Cadmium: 1.5%︎ Tin: 1.2%︎ Arsenic: 2.5%︎ Germanium: 5.6%︎ Manganese: 8.1%︎ Carbon: 16.0%︎ Iron: 19.5%︎ Nickel: 14.8%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ HIP 81755 2 b - Rocky body Landable
Body distance682 LsEarth masses0.0016Radius814 kmGravity0.10 gSurface temperature224 K (-49°C/-56°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 2.9%︎ Yttrium: 1.1%︎ Tin: 1.2%︎ Tungsten: 1.0%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Carbon: 15.5%︎ Iron: 19.1%︎ Nickel: 14.4%︎ Phosphorus: 9.9%︎ Sulphur: 18.4%︎ HIP 81755 2 a - Rocky body Landable
Body distance683 LsEarth masses0.0021Radius894 kmGravity0.11 gSurface temperature228 K (-45°C/-49°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Molybdenum: 1.2%︎ Niobium: 1.3%︎ Germanium: 5.5%︎ Manganese: 7.9%︎ Zinc: 5.2%︎ Carbon: 15.6%︎ Iron: 19.1%︎ Nickel: 14.5%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ HIP 81755 2 d - Rocky body Landable
Body distance689 LsEarth masses0.0007Radius619 kmGravity0.07 gSurface temperature221 K (-52°C/-61°F)Surface pressure0.00 atmVolcanismMinor Rocky magmaAtmosphereTerraforming︎ Yttrium: 1.2%︎ Mercury: 0.9%︎ Tungsten: 1.1%︎ Arsenic: 2.6%︎ Germanium: 5.8%︎ Zinc: 5.5%︎ Carbon: 16.7%︎ Iron: 20.3%︎ Nickel: 15.4%︎ Phosphorus: 10.7%︎ Sulphur: 19.8%︎ HIP 81755 2 c - Rocky body Landable
Body distance689 LsEarth masses0.0017Radius838 kmGravity0.10 gSurface temperature221 K (-52°C/-61°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Cadmium: 1.5%︎ Tin: 1.1%︎ Chromium: 8.5%︎ Germanium: 5.4%︎ Zinc: 5.2%︎ Carbon: 15.5%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 9.9%︎ Sulphur: 18.4%︎ HIP 81755 2 e - Rocky body Landable
Body distance694 LsEarth masses0.0025Radius955 kmGravity0.11 gSurface temperature220 K (-54°C/-64°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.1%︎ Cadmium: 1.4%︎ Niobium: 1.3%︎ Chromium: 8.3%︎ Manganese: 7.7%︎ Vanadium: 4.6%︎ Carbon: 15.2%︎ Iron: 18.6%︎ Nickel: 14.0%︎ Phosphorus: 9.7%︎ Sulphur: 18.1%︎ HIP 81755 4 - High metal content world
Body distance992 LsRing/belt typeMetal rich (Pristine)Earth masses1.1519Radius6,341 kmGravity1.16 gSurface temperature1,096 K (823°C/1,514°F)Surface pressure3,438.35 atmVolcanismMajor Rocky magmaAtmosphereHot Thick WaterTerraforming︎ HIP 81755 3 - Class III gas giant
Body distance1,019 LsRing/belt typeRocky (Pristine)Earth masses1,192.8100Radius76,086 kmGravity8.37 gSurface temperature381 K (108°C/226°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 81755 3 d - Rocky body Landable
Body distance1,015 LsEarth masses0.0005Radius565 kmGravity0.07 gSurface temperature208 K (-65°C/-85°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Tellurium: 1.5%︎ Mercury: 0.9%︎ Molybdenum: 1.3%︎ Vanadium: 5.0%︎ Zinc: 5.6%︎ Zirconium: 2.4%︎ Carbon: 16.8%︎ Iron: 20.4%︎ Nickel: 15.5%︎ Phosphorus: 10.7%︎ Sulphur: 19.9%︎ HIP 81755 3 c - Rocky body Landable
Body distance1,015 LsEarth masses0.0005Radius571 kmGravity0.07 gSurface temperature208 K (-65°C/-85°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Technetium: 0.7%︎ Tin: 1.2%︎ Tungsten: 1.1%︎ Germanium: 5.7%︎ Vanadium: 4.9%︎ Zinc: 5.4%︎ Carbon: 16.3%︎ Iron: 19.9%︎ Nickel: 15.0%︎ Phosphorus: 10.4%︎ Sulphur: 19.4%︎ HIP 81755 3 a - Rocky body
Body distance1,019 LsEarth masses0.0005Radius547 kmGravity0.06 gSurface temperature221 K (-53°C/-63°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ HIP 81755 3 b - Rocky body Landable
Body distance1,021 LsEarth masses0.0009Radius677 kmGravity0.08 gSurface temperature214 K (-59°C/-74°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.1%︎ Cadmium: 1.4%︎ Niobium: 1.3%︎ Chromium: 8.3%︎ Manganese: 7.7%︎ Zinc: 5.0%︎ Carbon: 15.0%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.6%︎ Sulphur: 17.9%︎ HIP 81755 6 - Class II gas giant
Body distance1,234 LsRing/belt typeMetallic (Pristine)
Metal rich (Pristine)Earth masses27.3132Radius39,941 kmGravity0.70 gSurface temperature160 K (-114°C/-172°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 81755 6 b - Rocky body
Body distance1,234 LsEarth masses0.0003Radius461 kmGravity0.05 gSurface temperature162 K (-112°C/-169°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ HIP 81755 6 a - Rocky body Landable
Body distance1,234 LsEarth masses0.0043Radius1,142 kmGravity0.13 gSurface temperature162 K (-112°C/-169°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Tellurium: 1.5%︎ Mercury: 0.9%︎ Niobium: 1.3%︎ Chromium: 8.8%︎ Zinc: 5.3%︎ Zirconium: 2.3%︎ Carbon: 16.1%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ HIP 81755 5 - Class II gas giant
Body distance1,265 LsRing/belt typeMetal rich (Pristine)Earth masses622.1750Radius75,564 kmGravity4.43 gSurface temperature246 K (-27°C/-16°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 81755 5 c - Rocky body Landable
Body distance1,259 LsEarth masses0.0075Radius1,368 kmGravity0.16 gSurface temperature170 K (-103°C/-153°F)Surface pressure0.00 atmVolcanismAtmosphereThin AmmoniaTerraforming︎ Technetium: 0.7%︎ Cadmium: 1.5%︎ Tin: 1.1%︎ Chromium: 8.6%︎ Germanium: 5.5%︎ Vanadium: 4.7%︎ Carbon: 15.7%︎ Iron: 19.1%︎ Nickel: 14.5%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ HIP 81755 5 b - Rocky body Landable
Body distance1,262 LsEarth masses0.0053Radius1,222 kmGravity0.14 gSurface temperature174 K (-100°C/-147°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Mercury: 0.9%︎ Niobium: 1.4%︎ Arsenic: 2.6%︎ Germanium: 5.8%︎ Zinc: 5.5%︎ Carbon: 16.6%︎ Iron: 20.3%︎ Nickel: 15.3%︎ Phosphorus: 10.6%︎ Sulphur: 19.7%︎ HIP 81755 5 a - Rocky body Landable
Body distance1,264 LsEarth masses0.0011Radius735 kmGravity0.09 gSurface temperature186 K (-87°C/-125°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Antimony: 1.2%︎ Niobium: 1.3%︎ Tungsten: 1.1%︎ 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 81755 7 - Class III gas giant
Body distance1,734 LsRing/belt typeMetallic (Pristine)
Rocky (Pristine)Earth masses1,888.3100Radius72,817 kmGravity14.47 gSurface temperature506 K (233°C/451°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 81755 7 c a - Rocky body Landable
Body distance1,729 LsEarth masses0.0002Radius400 kmGravity0.04 gSurface temperature183 K (-91°C/-131°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Polonium: 0.4%︎ Niobium: 1.2%︎ Tin: 0.9%︎ Chromium: 7.9%︎ Manganese: 7.3%︎ Vanadium: 4.3%︎ Carbon: 16.6%︎ Iron: 17.6%︎ Nickel: 13.3%︎ Phosphorus: 10.7%︎ Sulphur: 19.8%︎ HIP 81755 7 c - Rocky body Landable
Body distance1,729 LsEarth masses0.0032Radius1,028 kmGravity0.12 gSurface temperature183 K (-91°C/-131°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Mercury: 0.8%︎ Tin: 1.2%︎ Arsenic: 2.4%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Carbon: 15.6%︎ Iron: 19.2%︎ Nickel: 14.5%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ HIP 81755 7 b - Rocky body Landable
Body distance1,732 LsEarth masses0.0021Radius892 kmGravity0.11 gSurface temperature200 K (-73°C/-100°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Mercury: 0.9%︎ Tungsten: 1.1%︎ Manganese: 8.1%︎ Vanadium: 4.8%︎ Zinc: 5.3%︎ Carbon: 16.0%︎ Iron: 19.5%︎ Nickel: 14.7%︎ Phosphorus: 10.2%︎ Sulphur: 19.0%︎ HIP 81755 7 a - Rocky body Landable
Body distance1,732 LsEarth masses0.0044Radius1,147 kmGravity0.14 gSurface temperature211 K (-62°C/-80°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Selenium: 3.0%︎ Cadmium: 1.5%︎ Niobium: 1.3%︎ Manganese: 8.1%︎ Zinc: 5.3%︎ Carbon: 16.0%︎ Iron: 19.5%︎ Nickel: 14.8%︎ Phosphorus: 10.2%︎ Sulphur: 19.0%︎ HIP 81755 8 - Gas giant with water-based life
Body distance1,799 LsRing/belt typeMetallic (Pristine)
Metal rich (Pristine)Earth masses170.3290Radius64,302 kmGravity1.67 gSurface temperature162 K (-111°C/-169°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 81755 8 a - Icy body
Body distance1,799 LsEarth masses0.0061Radius1,607 kmGravity0.10 gSurface temperature495 K (222°C/432°F)Surface pressure496.37 atmVolcanismMajor Water geysersAtmosphereThick Carbon dioxideTerraforming︎ HIP 81755 8 b - Icy body Landable
Body distance1,799 LsEarth masses0.0054Radius1,538 kmGravity0.09 gSurface temperature133 K (-140°C/-220°F)Surface pressure0.00 atmVolcanismMinor Carbon dioxide geysersAtmosphereTerraforming︎ Polonium: 0.3%︎ Molybdenum: 0.8%︎ Tungsten: 0.7%︎ Germanium: 3.5%︎ Manganese: 5.1%︎ Vanadium: 3.0%︎ Carbon: 23.0%︎ Iron: 12.2%︎ Nickel: 9.3%︎ Phosphorus: 14.7%︎ Sulphur: 27.4%︎ HIP 81755 9 - Icy body
Body distance2,653 LsRing/belt typeIcy (Pristine)Earth masses11.7324Radius15,426 kmGravity2.00 gSurface temperature624 K (351°C/664°F)Surface pressure47,935.26 atmVolcanismWater geysersAtmosphereHot Thick Methane-richTerraforming