Star system
HIP 7817
Economy
Agriculture / Extraction
Government
Patronage
Allegiance
Empire
Star type
Class K star Scoopable
Coordinates
23.47 / -142.38 / -18.03
Permit required
No
Powerplay
Unoccupied
Powers
︎ HIP 7817 A - Class K star
Body distance-Solar masses0.6992Solar radius0.8153︎ HIP 7817 A 1 - High metal content world Landable
Body distance77 LsEarth masses0.1127Radius3,098 kmGravity0.48 gSurface temperature300 K (27°C/80°F)Surface pressure0.00 atmVolcanismAtmosphereThin Sulphur dioxideTerraforming︎ Technetium: 0.8%︎ Mercury: 1.0%︎ Niobium: 1.5%︎ Chromium: 9.8%︎ Vanadium: 5.4%︎ Zinc: 5.9%︎ Carbon: 13.2%︎ Iron: 21.8%︎ Nickel: 16.5%︎ Phosphorus: 8.4%︎ Sulphur: 15.7%︎ HIP 7817 A 3 - High metal content world
Body distance103 LsEarth masses0.1259Radius3,209 kmGravity0.50 gSurface temperature271 K (-2°C/29°F)Surface pressure0.34 atmVolcanismAtmosphereSulphur dioxideTerraformingTerraformable︎ HIP 7817 A 2 - Earth-like world
Body distance103 LsEarth masses0.1512Radius3,400 kmGravity0.53 gSurface temperature310 K (37°C/98°F)Surface pressure1.25 atmVolcanismAtmosphereSuitable for water-based lifeTerraformingTerraformed︎ HIP 7817 A 4 - High metal content world Landable
Body distance144 LsEarth masses0.1113Radius3,085 kmGravity0.48 gSurface temperature272 K (-2°C/29°F)Surface pressure0.03 atmVolcanismAtmosphereThin Carbon dioxideTerraformingTerraformable︎ Ruthenium: 1.4%︎ Niobium: 1.5%︎ Tin: 1.5%︎ Manganese: 9.3%︎ Zinc: 6.1%︎ Zirconium: 2.6%︎ Carbon: 13.5%︎ Iron: 22.4%︎ Nickel: 17.0%︎ Phosphorus: 8.7%︎ Sulphur: 16.1%︎ HIP 7817 A 5 - High metal content world
Body distance266 LsEarth masses0.1415Radius3,330 kmGravity0.52 gSurface temperature263 K (-10°C/14°F)Surface pressure0.37 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ HIP 7817 A 6 - High metal content world
Body distance266 LsEarth masses0.1245Radius3,197 kmGravity0.49 gSurface temperature260 K (-13°C/8°F)Surface pressure0.33 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ HIP 7817 A 7 - High metal content world
Body distance340 LsEarth masses0.1477Radius3,446 kmGravity0.51 gSurface temperature163 K (-110°C/-165°F)Surface pressure82.99 atmVolcanismAtmosphereThick Argon-richTerraforming︎ HIP 7817 A 7 a - Rocky ice world
Body distance340 LsEarth masses0.0105Radius1,606 kmGravity0.17 gSurface temperature491 K (218°C/424°F)Surface pressure337.22 atmVolcanismAtmosphereThick Carbon dioxideTerraforming︎ HIP 7817 A 8 - High metal content world
Body distance509 LsEarth masses0.1848Radius3,710 kmGravity0.55 gSurface temperature140 K (-133°C/-208°F)Surface pressure106.18 atmVolcanismAtmosphereThick NitrogenTerraforming︎ HIP 7817 A 8 a - Rocky ice world Landable
Body distance510 LsEarth masses0.0070Radius1,403 kmGravity0.14 gSurface temperature118 K (-155°C/-247°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Tin: 1.1%︎ Tungsten: 1.0%︎ Chromium: 8.1%︎ Germanium: 4.8%︎ Vanadium: 4.4%︎ Carbon: 17.0%︎ Iron: 18.0%︎ Nickel: 13.6%︎ Phosphorus: 10.9%︎ Sulphur: 20.2%︎ HIP 7817 A 9 - Icy body
Body distance886 LsEarth masses0.2218Radius4,895 kmGravity0.38 gSurface temperature101 K (-172°C/-277°F)Surface pressure5.64 atmVolcanismAtmosphereThick NitrogenTerraforming︎ HIP 7817 B - Class M star
Body distance8,994 LsSolar masses0.3867Solar radius0.5544︎ HIP 7817 B 5 - Class I gas giant
Body distance8,439 LsEarth masses124.1720Radius63,219 kmGravity1.26 gSurface temperature138 K (-136°C/-212°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 7817 B 5 d - Rocky body Landable
Body distance8,437 LsEarth masses0.0003Radius450 kmGravity0.05 gSurface temperature129 K (-144°C/-227°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Tellurium: 1.4%︎ Molybdenum: 1.2%︎ Tungsten: 1.0%︎ Chromium: 8.5%︎ Germanium: 5.5%︎ Vanadium: 4.6%︎ Carbon: 15.7%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 10.1%︎ Sulphur: 18.7%︎ HIP 7817 B 5 b - Rocky body Landable
Body distance8,440 LsEarth masses0.0006Radius590 kmGravity0.07 gSurface temperature130 K (-144°C/-226°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Selenium: 3.0%︎ Niobium: 1.3%︎ Tungsten: 1.1%︎ Manganese: 8.1%︎ Vanadium: 4.8%︎ Carbon: 16.3%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.4%︎ Sulphur: 19.4%︎ HIP 7817 B 5 a - Rocky body Landable
Body distance8,441 LsEarth masses0.0005Radius572 kmGravity0.07 gSurface temperature130 K (-143°C/-225°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Cadmium: 1.6%︎ Molybdenum: 1.3%︎ Vanadium: 5.0%︎ Zinc: 5.5%︎ Zirconium: 2.4%︎ Carbon: 16.9%︎ Iron: 20.4%︎ Nickel: 15.4%︎ Phosphorus: 10.8%︎ Sulphur: 20.1%︎ HIP 7817 B 5 e - Rocky body Landable
Body distance8,445 LsEarth masses0.0003Radius482 kmGravity0.06 gSurface temperature129 K (-144°C/-227°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Selenium: 3.0%︎ Niobium: 1.3%︎ Tungsten: 1.1%︎ Manganese: 8.0%︎ Zinc: 5.3%︎ Carbon: 16.2%︎ Iron: 19.5%︎ Nickel: 14.7%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%︎ HIP 7817 B 5 c - Rocky body Landable
Body distance8,497 LsEarth masses0.0003Radius472 kmGravity0.06 gSurface temperature129 K (-144°C/-227°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Technetium: 0.7%︎ Niobium: 1.3%︎ Tin: 1.1%︎ Arsenic: 2.5%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.8%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 10.1%︎ Sulphur: 18.8%︎ HIP 7817 B 4 - High metal content world
Body distance9,004 LsEarth masses3.1080Radius8,454 kmGravity1.77 gSurface temperature972 K (698°C/1,289°F)Surface pressure446.28 atmVolcanismMinor Metallic magmaAtmosphereHot Thick Carbon dioxideTerraformingTerraformable︎ HIP 7817 B 3 - High metal content world Landable
Body distance9,034 LsEarth masses0.4294Radius4,713 kmGravity0.79 gSurface temperature568 K (295°C/562°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.8%︎ Cadmium: 1.6%︎ Tin: 1.4%︎ Chromium: 9.5%︎ Manganese: 8.7%︎ Vanadium: 5.2%︎ Carbon: 12.7%︎ Iron: 21.0%︎ Nickel: 15.9%︎ Phosphorus: 8.1%︎ Sulphur: 15.1%︎ HIP 7817 B 2 - High metal content world Landable
Body distance9,041 LsEarth masses0.0127Radius1,527 kmGravity0.22 gSurface temperature748 K (475°C/887°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.3%︎ Molybdenum: 1.4%︎ Tin: 1.4%︎ Chromium: 9.4%︎ Manganese: 8.7%︎ Vanadium: 5.2%︎ Carbon: 12.7%︎ Iron: 21.0%︎ Nickel: 15.9%︎ Phosphorus: 8.1%︎ Sulphur: 15.1%︎ HIP 7817 B 1 - High metal content world Landable
Body distance9,079 LsEarth masses0.0128Radius1,533 kmGravity0.22 gSurface temperature962 K (688°C/1,271°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Ruthenium: 1.5%︎ Mercury: 1.1%︎ Molybdenum: 1.6%︎ Arsenic: 2.3%︎ Vanadium: 6.0%︎ Zirconium: 2.8%︎ Carbon: 14.8%︎ Iron: 24.4%︎ Nickel: 18.5%︎ Phosphorus: 9.4%︎ Sulphur: 17.5%