Star system
HIP 7221
Economy
Extraction / Military
Government
Cooperative
Allegiance
Independent
Star type
Class G star Scoopable
Coordinates
-124.19 / -25.56 / -103
Permit required
No
︎ HIP 7221 - Class G star
Body distance-Solar masses0.9336Solar radius0.9452︎ HIP 7221 1 - Metal-rich body Landable
Body distance22 LsEarth masses1.1520Radius5,051 kmGravity1.84 gSurface temperature1,139 K (866°C/1,591°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Ruthenium: 2.1%︎ Molybdenum: 2.2%︎ Niobium: 2.3%︎ Chromium: 15.4%︎ Vanadium: 8.4%︎ Zinc: 9.3%︎ Iron: 34.3%︎ Nickel: 25.9%︎ HIP 7221 2 - Class III gas giant
Body distance903 LsRing/belt typeMetal rich (Pristine)Earth masses652.4140Radius75,840 kmGravity4.61 gSurface temperature270 K (-4°C/26°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 7221 2 d - Rocky body Landable
Body distance899 LsEarth masses0.0272Radius2,085 kmGravity0.25 gSurface temperature189 K (-85°C/-120°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Niobium: 1.3%︎ Tungsten: 1.0%︎ Germanium: 5.5%︎ Manganese: 7.9%︎ Zinc: 5.2%︎ Carbon: 15.7%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ HIP 7221 2 d a - Rocky body Landable
Body distance901 LsEarth masses0.0009Radius684 kmGravity0.08 gSurface temperature189 K (-85°C/-120°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Tellurium: 1.5%︎ Niobium: 1.2%︎ Tin: 0.9%︎ Chromium: 7.9%︎ Germanium: 5.8%︎ Zinc: 4.8%︎ Carbon: 16.7%︎ Iron: 17.5%︎ Nickel: 13.2%︎ Phosphorus: 10.7%︎ Sulphur: 19.8%︎ HIP 7221 2 a - Rocky body
Body distance902 LsEarth masses0.0093Radius1,469 kmGravity0.18 gSurface temperature198 K (-75°C/-103°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ HIP 7221 2 c - Rocky body Landable
Body distance903 LsEarth masses0.0070Radius1,337 kmGravity0.16 gSurface temperature191 K (-83°C/-117°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Cadmium: 1.4%︎ 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 7221 2 b - Rocky body Landable
Body distance906 LsEarth masses0.0069Radius1,334 kmGravity0.16 gSurface temperature194 K (-80°C/-111°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Niobium: 1.3%︎ Tungsten: 1.1%︎ Chromium: 8.6%︎ Vanadium: 4.7%︎ Zinc: 5.2%︎ Carbon: 15.9%︎ Iron: 19.2%︎ Nickel: 14.5%︎ Phosphorus: 10.2%︎ Sulphur: 18.9%︎ HIP 7221 3 - Class III gas giant
Body distance1,318 LsRing/belt typeRocky (Pristine)Earth masses1,867.3200Radius73,143 kmGravity14.19 gSurface temperature510 K (237°C/459°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 7221 3 b - Rocky body Landable
Body distance1,311 LsEarth masses0.0006Radius607 kmGravity0.07 gSurface temperature180 K (-93°C/-135°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Molybdenum: 1.2%︎ Niobium: 1.3%︎ Chromium: 8.3%︎ Manganese: 7.7%︎ Vanadium: 4.5%︎ Carbon: 15.3%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.8%︎ Sulphur: 18.2%︎ HIP 7221 3 c - Rocky body Landable
Body distance1,315 LsEarth masses0.0010Radius706 kmGravity0.08 gSurface temperature172 K (-101°C/-149°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.1%︎ Cadmium: 1.4%︎ Tin: 1.1%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Zinc: 5.0%︎ Carbon: 15.2%︎ Iron: 18.4%︎ Nickel: 13.9%︎ Phosphorus: 9.8%︎ Sulphur: 18.1%︎ HIP 7221 3 a - Rocky body Landable
Body distance1,322 LsEarth masses0.0003Radius487 kmGravity0.06 gSurface temperature192 K (-81°C/-114°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.2%︎ Cadmium: 1.6%︎ Molybdenum: 1.3%︎ Arsenic: 2.6%︎ Vanadium: 5.0%︎ Zinc: 5.5%︎ Carbon: 16.7%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.7%︎ Sulphur: 19.9%︎ HIP 7221 4 - Class IV gas giant
Body distance2,201 LsRing/belt typeMetal rich (Pristine)
Rocky (Pristine)Earth masses3,725.1200Radius64,481 kmGravity36.41 gSurface temperature988 K (715°C/1,318°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 7221 6 - Icy body
Body distance3,111 LsEarth masses15.5966Radius16,547 kmGravity2.31 gSurface temperature599 K (326°C/619°F)Surface pressure64,284.04 atmVolcanismWater geysersAtmosphereHot Thick Methane-richTerraforming︎ HIP 7221 5 - Class III gas giant
Body distance3,202 LsEarth masses1,399.1600Radius74,179 kmGravity10.33 gSurface temperature348 K (75°C/166°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 7221 5 e - Icy body Landable
Body distance3,196 LsEarth masses0.0795Radius3,704 kmGravity0.24 gSurface temperature103 K (-170°C/-275°F)Surface pressure0.03 atmVolcanismAtmosphereThin ArgonTerraforming︎ Antimony: 0.7%︎ Niobium: 0.8%︎ Tungsten: 0.7%︎ Arsenic: 1.6%︎ Chromium: 5.5%︎ Germanium: 3.5%︎ Carbon: 23.2%︎ Iron: 12.3%︎ Nickel: 9.3%︎ Phosphorus: 14.8%︎ Sulphur: 27.6%︎ HIP 7221 5 d - Rocky ice world Landable
Body distance3,196 LsEarth masses0.0059Radius1,368 kmGravity0.13 gSurface temperature108 K (-165°C/-265°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.1%︎ Selenium: 3.5%︎ Molybdenum: 1.1%︎ Tungsten: 1.0%︎ Germanium: 5.0%︎ Vanadium: 4.3%︎ Carbon: 18.8%︎ Iron: 17.5%︎ Nickel: 13.2%︎ Phosphorus: 12.1%︎ Sulphur: 22.4%︎ HIP 7221 5 a - Rocky body
Body distance3,200 LsEarth masses0.0041Radius1,121 kmGravity0.13 gSurface temperature272 K (-1°C/30°F)Surface pressure3.37 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ HIP 7221 5 c - Rocky ice world Landable
Body distance3,204 LsEarth masses0.0041Radius1,209 kmGravity0.11 gSurface temperature114 K (-159°C/-255°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.0%︎ Mercury: 0.7%︎ Tin: 1.0%︎ Chromium: 7.4%︎ Manganese: 6.8%︎ Vanadium: 4.0%︎ Carbon: 17.7%︎ Iron: 16.4%︎ Nickel: 12.4%︎ Phosphorus: 11.4%︎ Sulphur: 21.1%︎ HIP 7221 5 b - Rocky ice world Landable
Body distance3,206 LsEarth masses0.0046Radius1,256 kmGravity0.12 gSurface temperature119 K (-154°C/-245°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.0%︎ Selenium: 3.4%︎ Cadmium: 1.3%︎ Tin: 1.0%︎ Germanium: 4.9%︎ Manganese: 7.0%︎ Carbon: 18.3%︎ Iron: 16.9%︎ Nickel: 12.8%︎ Phosphorus: 11.7%︎ Sulphur: 21.7%︎ HIP 7221 7 - Icy body
Body distance4,260 LsRing/belt typeIcy (Pristine)Earth masses32.3580Radius19,446 kmGravity3.48 gSurface temperature526 K (253°C/487°F)Surface pressure145,016.53 atmVolcanismWater geysersAtmosphereHot Thick Methane-richTerraforming︎ HIP 7221 8 - Icy body
Body distance4,298 LsRing/belt typeIcy (Pristine)Earth masses23.5165Radius18,358 kmGravity2.84 gSurface temperature76 K (-197°C/-323°F)Surface pressure4.36 atmVolcanismWater geysersAtmosphereHeliumTerraforming