Star system
HR 1877
Economy
Agriculture / Extraction
Government
Patronage
Allegiance
Empire
Star type
Class K star (orange giant) Scoopable
Coordinates
132.31 / -88.44 / -66.03
Permit required
No
Powerplay
Unoccupied
Powers
︎ HR 1877 - Class K star (orange giant)
Body distance-Solar masses0.7148Solar radius7.9837︎ HR 1877 1 - Class III gas giant
Body distance1,115 LsEarth masses933.3780Radius76,540 kmGravity6.48 gSurface temperature481 K (208°C/406°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 1877 1 f - Rocky body Landable
Body distance1,108 LsEarth masses0.0064Radius1,301 kmGravity0.15 gSurface temperature349 K (76°C/168°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Mercury: 0.8%︎ Tin: 1.1%︎ Chromium: 8.4%︎ Manganese: 7.7%︎ Vanadium: 4.6%︎ Carbon: 15.3%︎ Iron: 18.6%︎ Nickel: 14.1%︎ Phosphorus: 9.8%︎ Sulphur: 18.2%︎ HR 1877 1 d - Rocky body Landable
Body distance1,113 LsEarth masses0.0009Radius670 kmGravity0.08 gSurface temperature358 K (85°C/184°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Tellurium: 1.4%︎ Molybdenum: 1.2%︎ Niobium: 1.3%︎ Chromium: 8.3%︎ Manganese: 7.7%︎ Vanadium: 4.6%︎ Carbon: 15.2%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.7%︎ Sulphur: 18.1%︎ HR 1877 1 a - Rocky body Landable
Body distance1,114 LsEarth masses0.0017Radius840 kmGravity0.10 gSurface temperature366 K (92°C/198°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.1%︎ Cadmium: 1.4%︎ Niobium: 1.3%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Zinc: 5.0%︎ Carbon: 15.1%︎ Iron: 18.4%︎ Nickel: 14.0%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ HR 1877 1 c - Rocky body Landable
Body distance1,119 LsEarth masses0.0022Radius906 kmGravity0.11 gSurface temperature358 K (85°C/184°F)Surface pressure0.00 atmVolcanismMinor Silicate vapour geysersAtmosphereTerraforming︎ Yttrium: 1.2%︎ Tin: 1.2%︎ Tungsten: 1.1%︎ Manganese: 8.0%︎ Vanadium: 4.7%︎ Zinc: 5.3%︎ Carbon: 15.8%︎ Iron: 19.3%︎ Nickel: 14.6%︎ Phosphorus: 10.1%︎ Sulphur: 18.8%︎ HR 1877 1 b - Rocky body Landable
Body distance1,119 LsEarth masses0.0021Radius897 kmGravity0.11 gSurface temperature360 K (87°C/188°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Selenium: 3.0%︎ Cadmium: 1.5%︎ Tin: 1.2%︎ Chromium: 8.7%︎ Germanium: 5.6%︎ Carbon: 15.9%︎ Iron: 19.3%︎ Nickel: 14.6%︎ Phosphorus: 10.2%︎ Sulphur: 18.9%︎ HR 1877 1 e - Rocky body Landable
Body distance1,121 LsEarth masses0.0010Radius708 kmGravity0.08 gSurface temperature353 K (80°C/176°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Molybdenum: 1.2%︎ Niobium: 1.3%︎ Chromium: 8.5%︎ Germanium: 5.5%︎ Zinc: 5.1%︎ Carbon: 15.5%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 9.9%︎ Sulphur: 18.5%︎ HR 1877 3 - Class II gas giant
Body distance2,035 LsRing/belt typeMetallic (Common)
Rocky (Common)Earth masses9.2456Radius26,013 kmGravity0.56 gSurface temperature243 K (-30°C/-22°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 1877 2 - Class II gas giant
Body distance2,043 LsRing/belt typeMetallic (Common)
Rocky (Common)Earth masses70.8243Radius54,532 kmGravity0.97 gSurface temperature248 K (-26°C/-14°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 1877 2 a - Rocky body Landable
Body distance2,041 LsEarth masses0.0029Radius1,000 kmGravity0.12 gSurface temperature247 K (-26°C/-14°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 2.9%︎ Technetium: 0.7%︎ Tin: 1.1%︎ Tungsten: 1.0%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Carbon: 15.6%︎ Iron: 19.1%︎ Nickel: 14.4%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ HR 1877 2 b - Rocky body Landable
Body distance2,045 LsEarth masses0.0024Radius940 kmGravity0.11 gSurface temperature247 K (-26°C/-15°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.7%︎ Cadmium: 1.4%︎ Molybdenum: 1.2%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.7%︎ Carbon: 15.1%︎ Iron: 18.6%︎ Nickel: 14.0%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ HR 1877 2 d - Rocky body Landable
Body distance2,048 LsEarth masses0.0031Radius1,025 kmGravity0.12 gSurface temperature247 K (-26°C/-15°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.0%︎ Yttrium: 1.2%︎ Molybdenum: 1.3%︎ Tungsten: 1.1%︎ Manganese: 8.1%︎ Vanadium: 4.8%︎ Carbon: 16.2%︎ Iron: 19.7%︎ Nickel: 14.9%︎ Phosphorus: 10.4%︎ Sulphur: 19.2%︎ HR 1877 2 e - Rocky body Landable
Body distance2,049 LsEarth masses0.0026Radius970 kmGravity0.11 gSurface temperature247 K (-26°C/-15°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.2%︎ Yttrium: 1.2%︎ Cadmium: 1.6%︎ Mercury: 0.9%︎ Arsenic: 2.7%︎ Germanium: 6.0%︎ Carbon: 17.0%︎ Iron: 20.7%︎ Nickel: 15.7%︎ Phosphorus: 10.9%︎ Sulphur: 20.2%︎ HR 1877 2 c - Rocky body Landable
Body distance2,050 LsEarth masses0.0015Radius797 kmGravity0.09 gSurface temperature247 K (-26°C/-15°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Selenium: 2.9%︎ Cadmium: 1.5%︎ Mercury: 0.8%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Carbon: 15.7%︎ Iron: 19.1%︎ Nickel: 14.4%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ HR 1877 4 - Water world
Body distance2,885 LsEarth masses7.9717Radius11,902 kmGravity2.29 gSurface temperature250 K (-23°C/-10°F)Surface pressure13.36 atmVolcanismMajor Silicate vapour geysersAtmosphereThick NitrogenTerraforming︎ HR 1877 4 a - Rocky body Landable
Body distance2,889 LsEarth masses0.0002Radius398 kmGravity0.05 gSurface temperature207 K (-66°C/-87°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.1%︎ Mercury: 0.8%︎ Niobium: 1.3%︎ Chromium: 8.3%︎ Germanium: 5.4%︎ Manganese: 7.6%︎ Carbon: 15.2%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.7%︎ Sulphur: 18.1%