Star system
HR 1812
Economy
Colony / Industrial
Government
Confederacy
Allegiance
Independent
Star type
Class F star Scoopable
Coordinates
88.34 / -66.28 / -96.81
Permit required
No
Powerplay
Unoccupied
Powers
︎ HR 1812 A - Class F star
Body distance-Solar masses1.8320Solar radius1.4654︎ HR 1812 A 1 - Class III gas giant
Body distance1,111 LsRing/belt typeRocky (Pristine)Earth masses991.2800Radius77,162 kmGravity6.77 gSurface temperature454 K (181°C/358°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 1812 A 1 c - Rocky body Landable
Body distance1,104 LsEarth masses0.0003Radius473 kmGravity0.06 gSurface temperature314 K (40°C/105°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Mercury: 0.8%︎ Tungsten: 1.0%︎ Chromium: 8.6%︎ Germanium: 5.5%︎ Vanadium: 4.7%︎ Carbon: 15.8%︎ Iron: 19.1%︎ Nickel: 14.5%︎ Phosphorus: 10.1%︎ Sulphur: 18.7%︎ HR 1812 A 1 b - Rocky body Landable
Body distance1,108 LsEarth masses0.0002Radius419 kmGravity0.05 gSurface temperature317 K (44°C/112°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Molybdenum: 1.2%︎ Tungsten: 1.0%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Vanadium: 4.5%︎ Carbon: 15.3%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.8%︎ Sulphur: 18.2%︎ HR 1812 A 1 d - Rocky body Landable
Body distance1,113 LsEarth masses0.0004Radius510 kmGravity0.06 gSurface temperature307 K (33°C/92°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ 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: 10.1%︎ Sulphur: 18.7%︎ HR 1812 A 1 a - Rocky body Landable
Body distance1,113 LsEarth masses0.0003Radius455 kmGravity0.05 gSurface temperature324 K (51°C/123°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.1%︎ Yttrium: 1.2%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Germanium: 5.8%︎ Vanadium: 4.9%︎ Carbon: 16.6%︎ Iron: 20.1%︎ Nickel: 15.2%︎ Phosphorus: 10.6%︎ Sulphur: 19.8%︎ HR 1812 A 3 - Class III gas giant
Body distance1,513 LsRing/belt typeRocky (Pristine)Earth masses7.6089Radius25,683 kmGravity0.47 gSurface temperature270 K (-3°C/27°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 1812 A 3 a - Rocky body Landable
Body distance1,513 LsEarth masses0.0010Radius711 kmGravity0.08 gSurface temperature274 K (1°C/34°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.2%︎ Cadmium: 1.5%︎ Mercury: 0.9%︎ Arsenic: 2.6%︎ Manganese: 8.2%︎ Vanadium: 4.8%︎ Carbon: 16.3%︎ Iron: 19.7%︎ Nickel: 14.9%︎ Phosphorus: 10.4%︎ Sulphur: 19.4%︎ HR 1812 A 2 - Class IV gas giant
Body distance1,556 LsRing/belt typeRocky (Pristine)Earth masses2,591.6200Radius70,273 kmGravity21.33 gSurface temperature803 K (529°C/985°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 1812 A 2 b - Rocky body Landable
Body distance1,553 LsEarth masses0.0109Radius1,547 kmGravity0.18 gSurface temperature337 K (64°C/147°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Cadmium: 1.5%︎ Tin: 1.2%︎ Germanium: 5.7%︎ Vanadium: 4.8%︎ Zinc: 5.3%︎ Carbon: 16.2%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%︎ HR 1812 A 2 d - Rocky body Landable
Body distance1,554 LsEarth masses0.0108Radius1,544 kmGravity0.18 gSurface temperature315 K (42°C/107°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.0%︎ Technetium: 0.7%︎ Niobium: 1.3%︎ Tungsten: 1.1%︎ Chromium: 8.8%︎ Zinc: 5.3%︎ Carbon: 16.1%︎ Iron: 19.5%︎ Nickel: 14.7%︎ Phosphorus: 10.3%︎ Sulphur: 19.2%︎ HR 1812 A 2 c - Rocky body Landable
Body distance1,555 LsEarth masses0.0188Radius1,848 kmGravity0.22 gSurface temperature326 K (52°C/126°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Selenium: 3.0%︎ Cadmium: 1.5%︎ Mercury: 0.8%︎ Chromium: 8.7%︎ Germanium: 5.6%︎ Carbon: 16.0%︎ Iron: 19.4%︎ Nickel: 14.6%︎ Phosphorus: 10.2%︎ Sulphur: 19.0%︎ HR 1812 A 2 a - Rocky body Landable
Body distance1,556 LsEarth masses0.0301Radius2,156 kmGravity0.26 gSurface temperature362 K (89°C/193°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Niobium: 1.3%︎ Tin: 1.1%︎ Germanium: 5.5%︎ Manganese: 7.9%︎ Zinc: 5.2%︎ Carbon: 15.7%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 10.1%︎ Sulphur: 18.7%︎ HR 1812 A 2 c a - Rocky body Landable
Body distance1,561 LsEarth masses0.0005Radius560 kmGravity0.06 gSurface temperature326 K (52°C/126°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Tellurium: 1.5%︎ Cadmium: 1.4%︎ Niobium: 1.2%︎ Chromium: 7.8%︎ Germanium: 5.8%︎ Zinc: 4.7%︎ Carbon: 16.6%︎ Iron: 17.4%︎ Nickel: 13.2%︎ Phosphorus: 10.6%︎ Sulphur: 19.7%︎ HR 1812 A 4 - Gas giant with water-based life
Body distance2,021 LsRing/belt typeMetal rich (Pristine)Earth masses157.4460Radius64,576 kmGravity1.53 gSurface temperature234 K (-39°C/-38°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 1812 A 4 f - Rocky body Landable
Body distance2,017 LsEarth masses0.0004Radius524 kmGravity0.06 gSurface temperature224 K (-49°C/-57°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Mercury: 0.8%︎ Niobium: 1.3%︎ Arsenic: 2.5%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.7%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 10.1%︎ Sulphur: 18.7%︎ HR 1812 A 4 a - Rocky body
Body distance2,021 LsEarth masses0.0002Radius380 kmGravity0.04 gSurface temperature227 K (-46°C/-52°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ HR 1812 A 4 b - Rocky body Landable
Body distance2,022 LsEarth masses0.0002Radius387 kmGravity0.04 gSurface temperature226 K (-47°C/-53°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.3%︎ Selenium: 3.2%︎ Niobium: 1.4%︎ Tungsten: 1.1%︎ Arsenic: 2.7%︎ Zinc: 5.6%︎ Carbon: 17.1%︎ Iron: 20.7%︎ Nickel: 15.6%︎ Phosphorus: 10.9%︎ Sulphur: 20.3%︎ HR 1812 A 4 e - Rocky body Landable
Body distance2,023 LsEarth masses0.0005Radius563 kmGravity0.07 gSurface temperature224 K (-49°C/-57°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Mercury: 0.8%︎ Tin: 1.1%︎ Germanium: 5.5%︎ Manganese: 7.9%︎ Zinc: 5.2%︎ Carbon: 15.7%︎ Iron: 19.1%︎ Nickel: 14.4%︎ Phosphorus: 10.1%︎ Sulphur: 18.7%︎ HR 1812 A 4 c - Rocky body Landable
Body distance2,024 LsEarth masses0.0002Radius418 kmGravity0.05 gSurface temperature225 K (-48°C/-55°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Molybdenum: 1.2%︎ Tin: 1.1%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Zinc: 5.0%︎ Carbon: 15.3%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.8%︎ Sulphur: 18.2%︎ HR 1812 A 4 d - Rocky body Landable
Body distance2,025 LsEarth masses0.0010Radius704 kmGravity0.08 gSurface temperature224 K (-49°C/-56°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Cadmium: 1.5%︎ Tin: 1.2%︎ Germanium: 5.7%︎ Manganese: 8.1%︎ Zirconium: 2.3%︎ Carbon: 16.3%︎ Iron: 19.7%︎ Nickel: 14.9%︎ Phosphorus: 10.4%︎ Sulphur: 19.4%︎ HR 1812 A 4 h - Rocky body Landable
Body distance2,032 LsEarth masses0.0003Radius469 kmGravity0.05 gSurface temperature223 K (-50°C/-57°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Mercury: 0.8%︎ Tin: 1.1%︎ Chromium: 8.6%︎ Germanium: 5.5%︎ Vanadium: 4.7%︎ Carbon: 15.8%︎ Iron: 19.1%︎ Nickel: 14.4%︎ Phosphorus: 10.1%︎ Sulphur: 18.7%︎ HR 1812 A 4 g - Rocky body Landable
Body distance2,033 LsEarth masses0.0004Radius499 kmGravity0.06 gSurface temperature223 K (-50°C/-57°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Selenium: 3.0%︎ Molybdenum: 1.3%︎ Tungsten: 1.1%︎ Germanium: 5.7%︎ Manganese: 8.0%︎ Carbon: 16.1%︎ Iron: 19.5%︎ Nickel: 14.7%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ HR 1812 A 5 - Class II gas giant
Body distance2,829 LsRing/belt typeRocky (Pristine)Earth masses86.7431Radius52,488 kmGravity1.28 gSurface temperature195 K (-78°C/-108°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 1812 A 5 d - Rocky body Landable
Body distance2,824 LsEarth masses0.0003Radius470 kmGravity0.05 gSurface temperature192 K (-81°C/-114°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Molybdenum: 1.2%︎ Tin: 1.1%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Vanadium: 4.5%︎ Carbon: 15.3%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.8%︎ Sulphur: 18.2%︎ HR 1812 A 5 e - Rocky body Landable
Body distance2,824 LsEarth masses0.0011Radius727 kmGravity0.08 gSurface temperature192 K (-81°C/-114°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.5%︎ Molybdenum: 1.2%︎ Chromium: 8.5%︎ Vanadium: 4.7%︎ Zinc: 5.2%︎ Carbon: 15.6%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ HR 1812 A 5 c - Rocky body Landable
Body distance2,825 LsEarth masses0.0002Radius442 kmGravity0.05 gSurface temperature192 K (-81°C/-114°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.5%︎ Tungsten: 1.0%︎ Arsenic: 2.5%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.6%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ HR 1812 A 5 g - Rocky body Landable
Body distance2,829 LsEarth masses0.0006Radius597 kmGravity0.07 gSurface temperature192 K (-81°C/-115°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Cadmium: 1.5%︎ Tin: 1.2%︎ Arsenic: 2.5%︎ Manganese: 8.1%︎ Zinc: 5.3%︎ Carbon: 16.2%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.4%︎ Sulphur: 19.2%︎ HR 1812 A 5 b - Rocky body Landable
Body distance2,831 LsEarth masses0.0002Radius409 kmGravity0.05 gSurface temperature192 K (-81°C/-113°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Tellurium: 1.4%︎ Niobium: 1.3%︎ Tungsten: 1.0%︎ Chromium: 8.5%︎ Germanium: 5.5%︎ Zinc: 5.1%︎ Carbon: 15.6%︎ Iron: 18.8%︎ Nickel: 14.3%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ HR 1812 A 5 a - Rocky body Landable
Body distance2,831 LsEarth masses0.0003Radius478 kmGravity0.06 gSurface temperature192 K (-81°C/-113°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.8%︎ Tin: 1.3%︎ Tungsten: 1.2%︎ Arsenic: 2.7%︎ Zinc: 5.7%︎ Zirconium: 2.4%︎ Carbon: 17.4%︎ Iron: 21.0%︎ Nickel: 15.9%︎ Phosphorus: 11.1%︎ Sulphur: 20.6%︎ HR 1812 A 5 f - Rocky body Landable
Body distance2,838 LsEarth masses0.0017Radius837 kmGravity0.10 gSurface temperature192 K (-81°C/-114°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.1%︎ Tellurium: 1.5%︎ Molybdenum: 1.3%︎ Niobium: 1.4%︎ Arsenic: 2.6%︎ Manganese: 8.3%︎ Carbon: 16.5%︎ Iron: 20.0%︎ Nickel: 15.2%︎ Phosphorus: 10.6%︎ Sulphur: 19.6%︎ HR 1812 B - Class K star
Body distance39,428 LsSolar masses0.7109Solar radius0.7553