Star system
HIP 39821
Economy
Extraction / Refinery
Government
Corporate
Allegiance
Independent
Star type
Class K star Scoopable
Coordinates
70.97 / 50.88 / -106.22
Permit required
No
︎ HIP 39821 A - Class K star
Body distance-Solar masses0.4844Solar radius0.6366︎ HIP 39821 A 1 - High metal content world
Body distance129 LsEarth masses0.0060Radius1,195 kmGravity0.17 gSurface temperature545 K (272°C/522°F)Surface pressure0.74 atmVolcanismAtmosphereHot WaterTerraforming︎ HIP 39821 A 2 - High metal content world Landable
Body distance190 LsEarth masses0.0277Radius1,969 kmGravity0.29 gSurface temperature218 K (-55°C/-67°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.4%︎ Molybdenum: 1.5%︎ Tin: 1.5%︎ Arsenic: 2.2%︎ Germanium: 5.0%︎ Zinc: 6.4%︎ Carbon: 14.2%︎ Iron: 23.6%︎ Nickel: 17.9%︎ Phosphorus: 9.1%︎ Sulphur: 16.9%︎ HIP 39821 A 2 a - Rocky body Landable
Body distance190 LsEarth masses0.0004Radius521 kmGravity0.06 gSurface temperature218 K (-55°C/-67°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.1%︎ Tin: 1.2%︎ Tungsten: 1.1%︎ Chromium: 8.7%︎ Manganese: 8.0%︎ Vanadium: 4.7%︎ Carbon: 14.7%︎ Iron: 19.3%︎ Nickel: 14.6%︎ Phosphorus: 9.4%︎ Sulphur: 17.4%︎ HIP 39821 A 3 - High metal content world Landable
Body distance332 LsEarth masses0.0177Radius1,700 kmGravity0.25 gSurface temperature169 K (-104°C/-155°F)Surface pressure0.00 atmVolcanismAtmosphereThin AmmoniaTerraforming︎ Polonium: 0.6%︎ Molybdenum: 1.4%︎ Niobium: 1.5%︎ Chromium: 10.0%︎ Germanium: 4.6%︎ Vanadium: 5.4%︎ Carbon: 13.2%︎ Iron: 22.2%︎ Nickel: 16.8%︎ Phosphorus: 8.5%︎ Sulphur: 15.7%︎ HIP 39821 A 3 a - Rocky body Landable
Body distance332 LsEarth masses0.0010Radius701 kmGravity0.08 gSurface temperature168 K (-105°C/-156°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Mercury: 0.9%︎ Niobium: 1.4%︎ Germanium: 5.5%︎ Vanadium: 5.0%︎ Zinc: 5.6%︎ Carbon: 15.7%︎ Iron: 20.6%︎ Nickel: 15.5%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ HIP 39821 A 4 - High metal content world
Body distance452 LsEarth masses0.0238Radius1,872 kmGravity0.28 gSurface temperature195 K (-78°C/-108°F)Surface pressure0.10 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ HIP 39821 A 4 a - Rocky body Landable
Body distance452 LsEarth masses0.0012Radius746 kmGravity0.09 gSurface temperature170 K (-104°C/-155°F)Surface pressure0.01 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Yttrium: 1.2%︎ Cadmium: 1.6%︎ Niobium: 1.4%︎ Manganese: 8.4%︎ Vanadium: 5.0%︎ Zirconium: 2.4%︎ Carbon: 15.6%︎ Iron: 20.4%︎ Nickel: 15.5%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ HIP 39821 A 5 - Icy body Landable
Body distance613 LsEarth masses0.0243Radius2,310 kmGravity0.19 gSurface temperature113 K (-160°C/-256°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 0.9%︎ Niobium: 1.2%︎ Tin: 1.1%︎ Germanium: 3.6%︎ Manganese: 7.0%︎ Zinc: 4.6%︎ Carbon: 18.3%︎ Iron: 17.0%︎ Nickel: 12.8%︎ Phosphorus: 11.7%︎ Sulphur: 21.8%︎ HIP 39821 A 6 - Icy body Landable
Body distance928 LsEarth masses0.0286Radius2,435 kmGravity0.20 gSurface temperature98 K (-175°C/-283°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 0.9%︎ Niobium: 1.1%︎ Tungsten: 0.9%︎ Chromium: 7.4%︎ Manganese: 6.8%︎ Vanadium: 4.0%︎ Carbon: 17.7%︎ Iron: 16.4%︎ Nickel: 12.4%︎ Phosphorus: 11.3%︎ Sulphur: 21.1%︎ HIP 39821 A 7 - Icy body Landable
Body distance1,056 LsEarth masses0.0577Radius3,184 kmGravity0.23 gSurface temperature91 K (-183°C/-297°F)Surface pressure0.02 atmVolcanismAtmosphereThin ArgonTerraforming︎ Ruthenium: 1.0%︎ Cadmium: 1.3%︎ Tin: 1.1%︎ Arsenic: 1.6%︎ Chromium: 7.4%︎ Zirconium: 1.9%︎ Carbon: 20.2%︎ Iron: 16.4%︎ Nickel: 12.4%︎ Phosphorus: 12.9%︎ Sulphur: 24.0%︎ HIP 39821 A 8 - Icy body Landable
Body distance1,056 LsEarth masses0.0430Radius2,895 kmGravity0.21 gSurface temperature90 K (-183°C/-297°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.6%︎ Yttrium: 0.9%︎ Molybdenum: 1.0%︎ Niobium: 1.1%︎ Chromium: 7.1%︎ Germanium: 3.4%︎ Carbon: 19.5%︎ Iron: 15.8%︎ Nickel: 12.0%︎ Phosphorus: 12.5%︎ Sulphur: 23.2%︎ HIP 39821 B - Class L star (brown dwarf)
Body distance8,656 LsSolar masses0.1875Solar radius0.3639︎ HIP 39821 B 3 - Icy body Landable
Body distance8,630 LsEarth masses0.1572Radius4,389 kmGravity0.33 gSurface temperature83 K (-190°C/-310°F)Surface pressure0.03 atmVolcanismAtmosphereThin Argon-richTerraforming︎ Technetium: 0.5%︎ Molybdenum: 1.0%︎ Niobium: 1.0%︎ Chromium: 6.9%︎ Manganese: 6.3%︎ Vanadium: 3.8%︎ Carbon: 18.9%︎ Iron: 15.3%︎ Nickel: 11.6%︎ Phosphorus: 12.1%︎ Sulphur: 22.5%︎ HIP 39821 B 1 - High metal content world
Body distance8,723 LsEarth masses0.1794Radius3,744 kmGravity0.52 gSurface temperature150 K (-123°C/-189°F)Surface pressure163.34 atmVolcanismAtmosphereThick NitrogenTerraforming︎ HIP 39821 B 2 - Icy body
Body distance8,833 LsEarth masses0.5163Radius6,362 kmGravity0.52 gSurface temperature146 K (-127°C/-196°F)Surface pressure467.19 atmVolcanismMinor Methane magmaAtmosphereThick Argon-richTerraforming︎ HIP 39821 B 2 a - Icy body Landable
Body distance8,833 LsEarth masses0.0103Radius1,926 kmGravity0.11 gSurface temperature101 K (-172°C/-277°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Molybdenum: 0.8%︎ Tin: 0.7%︎ Chromium: 5.3%︎ Vanadium: 2.9%︎ Zinc: 3.2%︎ Carbon: 23.2%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.8%︎ Sulphur: 27.5%︎ HIP 39821 B 4 - Icy body Landable
Body distance9,095 LsEarth masses0.4206Radius5,978 kmGravity0.48 gSurface temperature71 K (-202°C/-332°F)Surface pressure0.07 atmVolcanismAtmosphereThin Neon-richTerraforming︎ Technetium: 0.6%︎ Molybdenum: 1.1%︎ Niobium: 1.1%︎ Arsenic: 1.5%︎ Chromium: 7.3%︎ Germanium: 3.4%︎ Carbon: 20.0%︎ Iron: 16.2%︎ Nickel: 12.3%︎ Phosphorus: 12.8%︎ Sulphur: 23.7%︎ HIP 39821 B 5 - Icy body
Body distance9,096 LsEarth masses0.3745Radius5,767 kmGravity0.46 gSurface temperature78 K (-195°C/-319°F)Surface pressure8.33 atmVolcanismAtmosphereThick NitrogenTerraforming