Star system
Chang Yeh
Economy
Industrial / Military
Government
Corporate
Allegiance
Federation
Star type
Class K star Scoopable
Coordinates
25.69 / -4.81 / -50.53
Permit required
No
Powerplay
Unoccupied
Powers
︎ Chang Yeh A - Class K star
Body distance-Solar masses0.6719Solar radius0.7645︎ Chang Yeh A 1 - Rocky ice world
Body distance940 LsEarth masses0.9058Radius6,823 kmGravity0.79 gSurface temperature323 K (50°C/122°F)Surface pressure1,386.70 atmVolcanismAtmosphereThick Methane-richTerraforming︎ Chang Yeh A 2 - Class I gas giant
Body distance1,632 LsRing/belt typeIcy (Common)Earth masses257.2120Radius70,789 kmGravity2.09 gSurface temperature130 K (-143°C/-226°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Chang Yeh A 2 f - Icy body Landable
Body distance1,625 LsEarth masses0.0026Radius1,218 kmGravity0.07 gSurface temperature92 K (-182°C/-295°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 0.7%︎ Molybdenum: 0.8%︎ Niobium: 0.8%︎ Chromium: 5.3%︎ Germanium: 3.4%︎ Manganese: 4.9%︎ Carbon: 22.4%︎ Iron: 11.8%︎ Nickel: 8.9%︎ Phosphorus: 14.3%︎ Sulphur: 26.6%︎ Chang Yeh A 2 e - Icy body Landable
Body distance1,627 LsEarth masses0.0022Radius1,151 kmGravity0.07 gSurface temperature92 K (-181°C/-294°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Cadmium: 0.9%︎ Mercury: 0.5%︎ Arsenic: 1.6%︎ Chromium: 5.4%︎ Manganese: 5.0%︎ Carbon: 22.8%︎ Iron: 12.1%︎ Nickel: 9.1%︎ Phosphorus: 14.6%︎ Sulphur: 27.2%︎ Chang Yeh A 2 c - Icy body Landable
Body distance1,629 LsEarth masses0.0007Radius798 kmGravity0.05 gSurface temperature94 K (-179°C/-290°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.7%︎ Selenium: 4.2%︎ Cadmium: 0.9%︎ Molybdenum: 0.8%︎ Germanium: 3.5%︎ Manganese: 5.0%︎ Carbon: 22.5%︎ Iron: 12.1%︎ Nickel: 9.1%︎ Phosphorus: 14.4%︎ Sulphur: 26.7%︎ Chang Yeh A 2 a - Icy body Landable
Body distance1,633 LsEarth masses0.0004Radius660 kmGravity0.04 gSurface temperature95 K (-178°C/-288°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Selenium: 4.3%︎ Tellurium: 0.9%︎ Cadmium: 0.9%︎ Molybdenum: 0.8%︎ Vanadium: 3.0%︎ Zinc: 3.3%︎ Carbon: 23.1%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.8%︎ Sulphur: 27.4%︎ Chang Yeh A 2 b - Icy body Landable
Body distance1,634 LsEarth masses0.0004Radius635 kmGravity0.04 gSurface temperature95 K (-178°C/-288°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Ruthenium: 0.7%︎ Selenium: 4.1%︎ Niobium: 0.8%︎ Tungsten: 0.6%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Carbon: 22.2%︎ Iron: 11.8%︎ Nickel: 8.9%︎ Phosphorus: 14.2%︎ Sulphur: 26.4%︎ Chang Yeh A 2 d - Icy body Landable
Body distance1,641 LsEarth masses0.0031Radius1,280 kmGravity0.08 gSurface temperature92 K (-181°C/-293°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.3%︎ Cadmium: 0.9%︎ Tungsten: 0.7%︎ Arsenic: 1.6%︎ Chromium: 5.4%︎ Manganese: 5.0%︎ Carbon: 22.9%︎ Iron: 12.1%︎ Nickel: 9.2%︎ Phosphorus: 14.7%︎ Sulphur: 27.2%︎ Chang Yeh A 3 - Class I gas giant
Body distance2,269 LsEarth masses40.2889Radius45,433 kmGravity0.79 gSurface temperature88 K (-185°C/-301°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Chang Yeh A 3 c - Icy body Landable
Body distance2,267 LsEarth masses0.0003Radius584 kmGravity0.03 gSurface temperature77 K (-196°C/-321°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.7%︎ Selenium: 4.2%︎ Mercury: 0.5%︎ Tungsten: 0.7%︎ Chromium: 5.4%︎ Zinc: 3.3%︎ Carbon: 22.7%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.5%︎ Sulphur: 27.0%︎ Chang Yeh A 3 a - Icy body Landable
Body distance2,270 LsEarth masses0.0004Radius659 kmGravity0.04 gSurface temperature77 K (-196°C/-320°F)Surface pressure0.00 atmVolcanismMinor Ammonia magmaAtmosphereTerraforming︎ Polonium: 0.3%︎ Mercury: 0.5%︎ Tungsten: 0.7%︎ Chromium: 5.5%︎ Germanium: 3.5%︎ Vanadium: 3.0%︎ Carbon: 23.0%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.7%︎ Sulphur: 27.4%︎ Chang Yeh A 3 b - Icy body Landable
Body distance2,273 LsEarth masses0.0004Radius676 kmGravity0.04 gSurface temperature77 K (-196°C/-321°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Niobium: 0.8%︎ Tin: 0.7%︎ Germanium: 3.5%︎ Manganese: 5.0%︎ Zinc: 3.3%︎ Carbon: 22.9%︎ Iron: 12.1%︎ Nickel: 9.1%︎ Phosphorus: 14.6%︎ Sulphur: 27.2%︎ Chang Yeh A 3 d - Icy body Landable
Body distance2,275 LsEarth masses0.0004Radius659 kmGravity0.04 gSurface temperature77 K (-196°C/-321°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.3%︎ Cadmium: 1.0%︎ Tin: 0.7%︎ Germanium: 3.6%︎ Vanadium: 3.0%︎ Zinc: 3.4%︎ Carbon: 23.4%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 15.0%︎ Sulphur: 27.8%︎ Chang Yeh B - Class M star
Body distance125,715 LsSolar masses0.3672Solar radius0.5742︎ Chang Yeh B 5 - Icy body
Body distance123,294 LsEarth masses2.3013Radius9,920 kmGravity0.95 gSurface temperature47 K (-226°C/-375°F)Surface pressure0.45 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ Chang Yeh B 5 a - Icy body Landable
Body distance123,444 LsEarth masses0.1243Radius4,323 kmGravity0.27 gSurface temperature46 K (-227°C/-377°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Selenium: 4.3%︎ Mercury: 0.5%︎ Tin: 0.7%︎ Arsenic: 1.4%︎ Chromium: 5.4%︎ Carbon: 23.3%︎ Iron: 12.0%︎ Nickel: 9.0%︎ Phosphorus: 14.9%︎ Sulphur: 27.7%︎ Chang Yeh B 3 - Icy body
Body distance124,314 LsEarth masses1.4286Radius8,662 kmGravity0.77 gSurface temperature59 K (-214°C/-354°F)Surface pressure0.28 atmVolcanismWater geysersAtmosphereNeon-richTerraforming︎ Chang Yeh B 4 - Icy body
Body distance124,648 LsEarth masses2.9799Radius10,671 kmGravity1.06 gSurface temperature53 K (-220°C/-364°F)Surface pressure0.58 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ Chang Yeh B 4 a - Icy body Landable
Body distance124,189 LsEarth masses0.0322Radius2,794 kmGravity0.17 gSurface temperature52 K (-221°C/-366°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.3%︎ Technetium: 0.4%︎ Mercury: 0.5%︎ Niobium: 0.8%︎ Germanium: 3.2%︎ Manganese: 4.9%︎ Carbon: 22.9%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.7%︎ Sulphur: 27.3%︎ Chang Yeh B 2 - Icy body
Body distance124,679 LsEarth masses3.4362Radius11,155 kmGravity1.12 gSurface temperature69 K (-204°C/-335°F)Surface pressure0.72 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ Chang Yeh B 1 - Rocky ice world
Body distance125,876 LsEarth masses3.4591Radius10,367 kmGravity1.31 gSurface temperature144 K (-129°C/-201°F)Surface pressure566.44 atmVolcanismMajor Water geysersAtmosphereThick Argon-richTerraforming︎ Chang Yeh B 6 - Icy body
Body distance127,188 LsEarth masses2.7721Radius10,480 kmGravity1.03 gSurface temperature42 K (-231°C/-384°F)Surface pressure0.54 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ Chang Yeh B 6 a - Icy body Landable
Body distance127,175 LsEarth masses0.0771Radius3,710 kmGravity0.23 gSurface temperature41 K (-232°C/-386°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 0.8%︎ Cadmium: 0.9%︎ Tungsten: 0.6%︎ Chromium: 5.2%︎ Germanium: 3.1%︎ Manganese: 4.8%︎ Carbon: 22.7%︎ Iron: 11.6%︎ Nickel: 8.8%︎ Phosphorus: 14.5%︎ Sulphur: 26.9%