Star system
BD+47 2391
Economy
Agriculture / Industrial
Government
Democracy
Allegiance
Independent
Star type
Class K star Scoopable
Coordinates
-75.28 / 64.56 / 21.91
Permit required
No
︎ BD+47 2391 A - Class K star
Body distance-Solar masses0.6563Solar radius0.7738︎ BD+47 2391 B - Class M star
Body distance8,724 LsSolar masses0.3672Solar radius0.5437︎ BD+47 2391 B 1 - High metal content world Landable
Body distance8,709 LsEarth masses0.0232Radius1,859 kmGravity0.27 gSurface temperature575 K (302°C/576°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.4%︎ Mercury: 1.0%︎ Tungsten: 1.3%︎ Arsenic: 2.1%︎ Chromium: 10.3%︎ Vanadium: 5.6%︎ Carbon: 13.5%︎ Iron: 22.8%︎ Nickel: 17.2%︎ Phosphorus: 8.7%︎ Sulphur: 16.1%︎ BD+47 2391 B 4 - High metal content world
Body distance8,904 LsEarth masses0.3036Radius4,225 kmGravity0.69 gSurface temperature371 K (98°C/208°F)Surface pressure0.65 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ BD+47 2391 B 2 - High metal content world Landable
Body distance8,961 LsEarth masses0.2332Radius3,891 kmGravity0.63 gSurface temperature497 K (224°C/434°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.4%︎ Molybdenum: 1.5%︎ Niobium: 1.5%︎ Arsenic: 2.1%︎ Chromium: 10.2%︎ Vanadium: 5.6%︎ Carbon: 13.4%︎ Iron: 22.6%︎ Nickel: 17.1%︎ Phosphorus: 8.6%︎ Sulphur: 16.0%︎ BD+47 2391 B 6 - High metal content world
Body distance8,971 LsEarth masses0.4287Radius4,702 kmGravity0.79 gSurface temperature616 K (343°C/650°F)Surface pressure29.30 atmVolcanismAtmosphereHot Thick Carbon dioxideTerraformingTerraforming︎ BD+47 2391 B 8 - Class I gas giant
Body distance9,024 LsRing/belt typeIcy (Major)Earth masses218.5390Radius69,116 kmGravity1.86 gSurface temperature143 K (-130°C/-202°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ BD+47 2391 B 8 a - Icy body Landable
Body distance8,166 LsEarth masses0.0005Radius720 kmGravity0.04 gSurface temperature112 K (-161°C/-258°F)Surface pressure0.00 atmVolcanismCarbon dioxide geysersAtmosphereTerraforming︎ Polonium: 0.3%︎ Niobium: 0.8%︎ Tin: 0.7%︎ Germanium: 3.5%︎ Manganese: 5.1%︎ Zinc: 3.3%︎ Carbon: 22.9%︎ Iron: 12.2%︎ Nickel: 9.3%︎ Phosphorus: 14.6%︎ Sulphur: 27.2%︎ BD+47 2391 B 8 c - Icy body Landable
Body distance8,303 LsEarth masses0.0004Radius664 kmGravity0.04 gSurface temperature110 K (-163°C/-261°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 0.7%︎ Cadmium: 1.0%︎ Niobium: 0.8%︎ Arsenic: 1.6%︎ Germanium: 3.6%︎ Manganese: 5.1%︎ Carbon: 23.1%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 14.8%︎ Sulphur: 27.5%︎ BD+47 2391 B 8 e - Icy body Landable
Body distance8,854 LsEarth masses0.0126Radius2,061 kmGravity0.12 gSurface temperature108 K (-165°C/-265°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.4%︎ Tin: 0.8%︎ Tungsten: 0.7%︎ Chromium: 5.5%︎ Germanium: 3.2%︎ Zirconium: 1.4%︎ Carbon: 23.5%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 15.1%︎ Sulphur: 28.0%︎ BD+47 2391 B 8 d - Icy body Landable
Body distance8,993 LsEarth masses0.0022Radius1,139 kmGravity0.07 gSurface temperature110 K (-163°C/-262°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Cadmium: 1.0%︎ Molybdenum: 0.8%︎ Manganese: 5.1%︎ Vanadium: 3.0%︎ Zinc: 3.3%︎ Carbon: 22.8%︎ Iron: 12.2%︎ Nickel: 9.3%︎ Phosphorus: 14.6%︎ Sulphur: 27.2%︎ BD+47 2391 B 8 b - Icy body Landable
Body distance9,025 LsEarth masses0.0008Radius807 kmGravity0.05 gSurface temperature110 K (-163°C/-261°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.4%︎ Yttrium: 0.8%︎ Niobium: 0.9%︎ Tungsten: 0.7%︎ Zinc: 3.4%︎ Zirconium: 1.5%︎ Carbon: 23.5%︎ Iron: 12.6%︎ Nickel: 9.5%︎ Phosphorus: 15.0%︎ Sulphur: 27.9%︎ BD+47 2391 B 3 - High metal content world
Body distance9,039 LsEarth masses0.3383Radius4,370 kmGravity0.72 gSurface temperature371 K (98°C/209°F)Surface pressure0.70 atmVolcanismRocky magmaAtmosphereSulphur dioxideTerraforming︎ BD+47 2391 B 5 - Earth-like world
Body distance9,075 LsEarth masses0.5825Radius5,165 kmGravity0.89 gSurface temperature329 K (56°C/133°F)Surface pressure1.25 atmVolcanismAtmosphereSuitable for water-based lifeTerraformingTerraformed︎ BD+47 2391 B 7 - High metal content world
Body distance9,264 LsEarth masses2.2246Radius7,679 kmGravity1.53 gSurface temperature226 K (-48°C/-54°F)Surface pressure2.05 atmVolcanismMinor Silicate vapour geysersAtmosphereNitrogenTerraforming