Star system
HR 6831
Economy
Military / Refinery
Government
Dictatorship
Allegiance
Independent
Star type
Class F star Scoopable
Coordinates
-108.09 / 46.91 / 71.81
Permit required
No
︎ HR 6831 A - Class F star
Body distance-Solar masses1.5117Solar radius1.2673︎ HR 6831 B - Class K star
Body distance54,501 LsSolar masses0.4922Solar radius0.6138︎ HR 6831 B 3 - Rocky ice world
Body distance53,741 LsEarth masses0.2395Radius4,229 kmGravity0.54 gSurface temperature164 K (-110°C/-165°F)Surface pressure326.67 atmVolcanismAtmosphereThick Argon-richTerraforming︎ HR 6831 B 3 a - Rocky ice world Landable
Body distance53,742 LsEarth masses0.0101Radius1,711 kmGravity0.14 gSurface temperature123 K (-150°C/-238°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.9%︎ Niobium: 1.1%︎ Tungsten: 0.9%︎ Germanium: 4.4%︎ Vanadium: 4.1%︎ Zinc: 4.5%︎ Carbon: 19.4%︎ Iron: 16.6%︎ Nickel: 12.5%︎ Phosphorus: 12.4%︎ Sulphur: 23.1%︎ HR 6831 B 2 - High metal content world
Body distance54,578 LsEarth masses0.3804Radius4,524 kmGravity0.76 gSurface temperature245 K (-29°C/-19°F)Surface pressure1.10 atmVolcanismAtmosphereCarbon dioxide-richTerraforming︎ HR 6831 B 2 a - Rocky body Landable
Body distance54,578 LsEarth masses0.0178Radius1,792 kmGravity0.22 gSurface temperature158 K (-116°C/-176°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.1%︎ Niobium: 1.3%︎ Tin: 1.2%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Zinc: 5.2%︎ Carbon: 14.5%︎ Iron: 19.2%︎ Nickel: 14.5%︎ Phosphorus: 9.3%︎ Sulphur: 17.2%︎ HR 6831 B 1 - High metal content world
Body distance54,953 LsEarth masses0.1712Radius3,533 kmGravity0.56 gSurface temperature262 K (-11°C/12°F)Surface pressure0.43 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ HR 6831 B 7 - Icy body Landable
Body distance55,265 LsEarth masses0.2546Radius5,108 kmGravity0.40 gSurface temperature82 K (-191°C/-313°F)Surface pressure0.03 atmVolcanismAtmosphereThin Neon-richTerraforming︎ Selenium: 3.6%︎ Yttrium: 0.9%︎ Mercury: 0.7%︎ Niobium: 1.1%︎ Manganese: 6.6%︎ Zinc: 4.3%︎ Carbon: 19.4%︎ Iron: 15.9%︎ Nickel: 12.0%︎ Phosphorus: 12.4%︎ Sulphur: 23.1%︎ HR 6831 B 4 - Icy body
Body distance55,445 LsEarth masses1.1752Radius8,084 kmGravity0.73 gSurface temperature359 K (86°C/187°F)Surface pressure2,094.91 atmVolcanismWater geysersAtmosphereThick Methane-richTerraforming︎ HR 6831 B 5 - Icy body
Body distance55,902 LsEarth masses0.3359Radius5,571 kmGravity0.44 gSurface temperature161 K (-113°C/-171°F)Surface pressure284.33 atmVolcanismAtmosphereThick Argon-richTerraforming︎ HR 6831 B 6 - Icy body
Body distance56,268 LsEarth masses0.5686Radius6,521 kmGravity0.54 gSurface temperature130 K (-143°C/-226°F)Surface pressure1,128.16 atmVolcanismAtmosphereThick NitrogenTerraforming