Star system
HR 3747
Economy
Agriculture / Extraction
Government
Democracy
Allegiance
Federation
Star type
Class F star Scoopable
Coordinates
-33.06 / 96.34 / -91.75
Permit required
No
Powerplay
Unoccupied
Powers
︎ HR 3747 A - Class F star
Body distance-Solar masses1.4688Solar radius1.2548︎ HR 3747 A 1 - High metal content world
Body distance320 LsEarth masses0.5524Radius5,087 kmGravity0.87 gSurface temperature447 K (174°C/344°F)Surface pressure1.03 atmVolcanismAtmosphereSulphur dioxideTerraforming︎ HR 3747 A 2 - High metal content world
Body distance444 LsEarth masses0.4652Radius4,826 kmGravity0.81 gSurface temperature573 K (300°C/572°F)Surface pressure1.45 atmVolcanismAtmosphereHot Sulphur dioxideTerraforming︎ HR 3747 A 3 - High metal content world
Body distance600 LsEarth masses0.7991Radius5,690 kmGravity1.00 gSurface temperature935 K (662°C/1,224°F)Surface pressure138.50 atmVolcanismMajor Rocky magmaAtmosphereHot Thick Carbon dioxideTerraforming︎ HR 3747 A 4 - Water world
Body distance828 LsEarth masses0.2451Radius3,955 kmGravity0.64 gSurface temperature357 K (84°C/182°F)Surface pressure1.25 atmVolcanismAtmosphereNitrogenTerraformingTerraforming︎ HR 3747 A 5 - High metal content world
Body distance1,084 LsEarth masses1.0950Radius6,236 kmGravity1.14 gSurface temperature1,368 K (1,095°C/2,003°F)Surface pressure3,300.46 atmVolcanismAtmosphereHot Thick WaterTerraformingTerraformable︎ HR 3747 A 5 a - Rocky body Landable
Body distance1,084 LsEarth masses0.0499Radius2,507 kmGravity0.32 gSurface temperature233 K (-40°C/-41°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Cadmium: 1.6%︎ Tungsten: 1.1%︎ Germanium: 5.3%︎ Manganese: 8.2%︎ Vanadium: 4.9%︎ Carbon: 15.1%︎ Iron: 20.0%︎ Nickel: 15.1%︎ Phosphorus: 9.6%︎ Sulphur: 17.9%︎ HR 3747 A 6 - High metal content world
Body distance1,561 LsEarth masses0.5484Radius5,058 kmGravity0.87 gSurface temperature242 K (-31°C/-23°F)Surface pressure3.39 atmVolcanismAtmosphereMethane-richTerraforming︎ HR 3747 A 6 a - Rocky body Landable
Body distance1,561 LsEarth masses0.0359Radius2,253 kmGravity0.29 gSurface temperature195 K (-78°C/-109°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.2%︎ Cadmium: 1.6%︎ Tungsten: 1.1%︎ Germanium: 5.3%︎ Manganese: 8.2%︎ Vanadium: 4.9%︎ Carbon: 15.1%︎ Iron: 20.0%︎ Nickel: 15.1%︎ Phosphorus: 9.7%︎ Sulphur: 17.9%︎ HR 3747 A 7 - High metal content world
Body distance1,927 LsEarth masses0.4149Radius4,659 kmGravity0.78 gSurface temperature217 K (-57°C/-70°F)Surface pressure1.11 atmVolcanismAtmosphereNitrogenTerraforming︎ HR 3747 A 8 - High metal content world
Body distance2,918 LsEarth masses1.5439Radius6,917 kmGravity1.31 gSurface temperature163 K (-110°C/-166°F)Surface pressure2.47 atmVolcanismMinor Metallic magmaAtmosphereNitrogenTerraforming︎ HR 3747 C - Class L star (brown dwarf)
Body distance390,024 LsSolar masses0.1445Solar radius0.2694︎ HR 3747 B - Class K star
Body distance390,027 LsSolar masses0.6680Solar radius0.7588