Star system
MCC 684
Economy
Refinery / Extraction
Government
Democracy
Allegiance
Alliance
Star type
Class M star Scoopable
Coordinates
-44.94 / 93.44 / -24.28
Permit required
No
Powerplay
Unoccupied
Powers
︎ MCC 684 A - Class M star
Body distance-Solar masses0.2031Solar radius0.3662︎ MCC 684 A 1 - High metal content world
Body distance62 LsEarth masses0.6799Radius5,414 kmGravity0.94 gSurface temperature903 K (630°C/1,166°F)Surface pressure70.87 atmVolcanismAtmosphereHot Thick Carbon dioxideTerraforming︎ MCC 684 A 2 - High metal content world
Body distance982 LsEarth masses0.2993Radius4,289 kmGravity0.66 gSurface temperature87 K (-187°C/-304°F)Surface pressure0.81 atmVolcanismAtmosphereArgon-richTerraforming︎ MCC 684 A 3 - High metal content world
Body distance984 LsEarth masses0.2791Radius4,197 kmGravity0.64 gSurface temperature86 K (-187°C/-304°F)Surface pressure0.77 atmVolcanismAtmosphereArgon-richTerraforming︎ MCC 684 A 4 - Icy body
Body distance1,258 LsEarth masses0.5786Radius6,594 kmGravity0.54 gSurface temperature92 K (-181°C/-294°F)Surface pressure693.57 atmVolcanismAtmosphereThick Argon-richTerraforming︎ MCC 684 A 5 - Icy body
Body distance1,675 LsEarth masses0.5456Radius6,476 kmGravity0.53 gSurface temperature78 K (-195°C/-319°F)Surface pressure541.03 atmVolcanismAtmosphereThick Argon-richTerraforming︎ MCC 684 A 6 - Icy body Landable
Body distance4,052 LsEarth masses0.5877Radius6,626 kmGravity0.54 gSurface temperature39 K (-234°C/-389°F)Surface pressure0.00 atmVolcanismAtmosphereThin NeonTerraforming︎ Yttrium: 0.9%︎ Cadmium: 1.2%︎ Tungsten: 0.9%︎ Chromium: 7.1%︎ Manganese: 6.5%︎ Zirconium: 1.8%︎ Carbon: 19.1%︎ Iron: 15.7%︎ Nickel: 11.9%︎ Phosphorus: 12.2%︎ Sulphur: 22.7%︎ MCC 684 B - Class L star (brown dwarf)
Body distance37,138 LsSolar masses0.1406Solar radius0.3047︎ MCC 684 B 3 - Icy body Landable
Body distance36,684 LsEarth masses0.2986Radius5,372 kmGravity0.42 gSurface temperature40 K (-233°C/-387°F)Surface pressure0.00 atmVolcanismAtmosphereThin NeonTerraforming︎ Technetium: 0.6%︎ Niobium: 1.1%︎ Tungsten: 0.9%︎ Chromium: 7.0%︎ Germanium: 3.2%︎ Manganese: 6.4%︎ Carbon: 18.9%︎ Iron: 15.5%︎ Nickel: 11.8%︎ Phosphorus: 12.1%︎ Sulphur: 22.5%︎ MCC 684 B 2 - Icy body Landable
Body distance36,685 LsEarth masses0.3052Radius5,408 kmGravity0.42 gSurface temperature40 K (-233°C/-387°F)Surface pressure0.00 atmVolcanismAtmosphereThin NeonTerraforming︎ Ruthenium: 1.0%︎ Mercury: 0.7%︎ Tungsten: 0.9%︎ Germanium: 3.5%︎ Vanadium: 4.1%︎ Zirconium: 2.0%︎ Carbon: 20.5%︎ Iron: 16.9%︎ Nickel: 12.7%︎ Phosphorus: 13.1%︎ Sulphur: 24.4%︎ MCC 684 B 1 - Icy body
Body distance36,735 LsEarth masses1.1113Radius8,037 kmGravity0.70 gSurface temperature45 K (-228°C/-378°F)Surface pressure0.23 atmVolcanismMajor Water magmaAtmosphereNeon-richTerraforming︎ MCC 684 B 5 - Icy body
Body distance36,915 LsEarth masses0.8597Radius7,440 kmGravity0.63 gSurface temperature25 K (-248°C/-415°F)Surface pressure0.19 atmVolcanismMinor Ammonia magmaAtmosphereNeon-richTerraforming︎ MCC 684 B 4 - Icy body
Body distance37,895 LsEarth masses0.7728Radius7,203 kmGravity0.61 gSurface temperature34 K (-240°C/-399°F)Surface pressure0.17 atmVolcanismAtmosphereNeon-richTerraforming