Star system
Chang Hsien
Economy
Colony / Refinery
Government
Corporate
Allegiance
Independent
Star type
Class M star Scoopable
Coordinates
20.78 / -105.84 / 105.88
Permit required
No
Powerplay
Unoccupied
Powers
︎ Chang Hsien A - Class M star
Body distance-Solar masses0.4414Solar radius0.6141︎ Chang Hsien A 1 - High metal content world
Body distance852 LsEarth masses0.8316Radius5,872 kmGravity0.98 gSurface temperature371 K (98°C/208°F)Surface pressure487.68 atmVolcanismMajor Rocky magmaAtmosphereThick Methane-richTerraforming︎ Chang Hsien A 2 - High metal content world
Body distance1,153 LsEarth masses1.1569Radius6,481 kmGravity1.12 gSurface temperature101 K (-172°C/-277°F)Surface pressure82.79 atmVolcanismMinor Silicate vapour geysersAtmosphereThick Argon-richTerraforming︎ Chang Hsien A 3 - Icy body
Body distance1,608 LsEarth masses1.0214Radius7,840 kmGravity0.68 gSurface temperature107 K (-166°C/-266°F)Surface pressure3.64 atmVolcanismWater geysersAtmosphereMethane-richTerraforming︎ Chang Hsien A 4 - Icy body
Body distance2,145 LsEarth masses2.4800Radius10,151 kmGravity0.98 gSurface temperature58 K (-215°C/-355°F)Surface pressure0.45 atmVolcanismMajor Water geysersAtmosphereNeon-richTerraforming︎ Chang Hsien A 4 a - Icy body Landable
Body distance2,147 LsEarth masses0.0884Radius3,877 kmGravity0.24 gSurface temperature57 K (-216°C/-357°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.3%︎ Cadmium: 1.0%︎ Tungsten: 0.7%︎ Vanadium: 3.0%︎ Zinc: 3.4%︎ Zirconium: 1.4%︎ Carbon: 24.2%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 15.5%︎ Sulphur: 28.8%︎ Chang Hsien A 6 - Icy body
Body distance2,686 LsEarth masses2.1299Radius9,737 kmGravity0.91 gSurface temperature52 K (-221°C/-366°F)Surface pressure0.40 atmVolcanismMajor Water geysersAtmosphereNeon-richTerraforming︎ Chang Hsien A 5 - Icy body
Body distance2,693 LsEarth masses2.6475Radius10,349 kmGravity1.00 gSurface temperature52 K (-221°C/-365°F)Surface pressure0.51 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ Chang Hsien A 7 - Icy body
Body distance3,501 LsEarth masses3.2675Radius10,955 kmGravity1.11 gSurface temperature47 K (-226°C/-375°F)Surface pressure0.62 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ Chang Hsien A 7 a - Icy body Landable
Body distance3,507 LsEarth masses0.2151Radius5,146 kmGravity0.33 gSurface temperature46 K (-227°C/-377°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.7%︎ Cadmium: 0.9%︎ Niobium: 0.8%︎ Germanium: 3.2%︎ Manganese: 4.9%︎ Zinc: 3.2%︎ Carbon: 23.1%︎ Iron: 11.8%︎ Nickel: 9.0%︎ Phosphorus: 14.8%︎ Sulphur: 27.5%︎ Chang Hsien A 8 - Icy body
Body distance5,130 LsEarth masses2.1157Radius9,718 kmGravity0.91 gSurface temperature40 K (-233°C/-388°F)Surface pressure0.43 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ Chang Hsien B - Class M star
Body distance61,645 LsSolar masses0.2500Solar radius0.4288