Star system
Ch'eng
Economy
Agriculture / Tourism
Government
Patronage
Allegiance
Empire
Star type
Class F star Scoopable
Coordinates
95.44 / -161.47 / 74.72
Permit required
No
︎ Ch'eng - Class F star
Body distance-Solar masses1.2031Solar radius1.0750︎ Ch'eng 1 - High metal content world
Body distance377 LsEarth masses1.8600Radius7,302 kmGravity1.42 gSurface temperature1,089 K (816°C/1,501°F)Surface pressure283.99 atmVolcanismMinor Metallic magmaAtmosphereHot Thick Carbon dioxideTerraforming︎ Ch'eng 2 - Earth-like world
Body distance529 LsEarth masses2.9946Radius8,359 kmGravity1.74 gSurface temperature342 K (69°C/156°F)Surface pressure1.26 atmVolcanismMajor Silicate vapour geysersAtmosphereSuitable for water-based lifeTerraformingTerraformed︎ Ch'eng 3 - High metal content world
Body distance638 LsEarth masses4.0846Radius9,106 kmGravity2.00 gSurface temperature1,320 K (1,047°C/1,916°F)Surface pressure1,275.89 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick WaterTerraforming︎ Ch'eng 4 - Water world
Body distance914 LsEarth masses2.4809Radius7,928 kmGravity1.60 gSurface temperature357 K (84°C/183°F)Surface pressure15.99 atmVolcanismMetallic magmaAtmosphereThick AmmoniaTerraformingTerraformable︎ Ch'eng 5 - Class I gas giant
Body distance2,549 LsEarth masses177.7280Radius66,717 kmGravity1.62 gSurface temperature144 K (-129°C/-200°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ch'eng 5 d - Rocky body Landable
Body distance2,545 LsEarth masses0.0006Radius606 kmGravity0.07 gSurface temperature130 K (-143°C/-225°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.2%︎ Mercury: 0.9%︎ Tin: 1.2%︎ Chromium: 8.8%︎ Germanium: 5.7%︎ Zirconium: 2.3%︎ Carbon: 16.1%︎ Iron: 19.6%︎ Nickel: 14.9%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ Ch'eng 5 b - Rocky body Landable
Body distance2,546 LsEarth masses0.0005Radius550 kmGravity0.06 gSurface temperature131 K (-142°C/-224°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Ruthenium: 1.1%︎ Cadmium: 1.4%︎ Tin: 1.1%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Zinc: 5.0%︎ Carbon: 15.2%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.7%︎ Sulphur: 18.1%︎ Ch'eng 5 a - Rocky body Landable
Body distance2,547 LsEarth masses0.0005Radius542 kmGravity0.06 gSurface temperature132 K (-142°C/-223°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Mercury: 0.8%︎ Tin: 1.1%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Zirconium: 2.2%︎ Carbon: 15.7%︎ Iron: 19.1%︎ Nickel: 14.5%︎ Phosphorus: 10.1%︎ Sulphur: 18.7%︎ Ch'eng 5 c - Rocky body Landable
Body distance2,552 LsEarth masses0.0003Radius491 kmGravity0.06 gSurface temperature131 K (-142°C/-224°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Yttrium: 1.2%︎ Cadmium: 1.5%︎ Mercury: 0.9%︎ Chromium: 8.9%︎ Vanadium: 4.8%︎ Zirconium: 2.3%︎ Carbon: 16.2%︎ Iron: 19.7%︎ Nickel: 14.9%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%︎ Ch'eng 5 e - Rocky body Landable
Body distance2,560 LsEarth masses0.0016Radius818 kmGravity0.10 gSurface temperature129 K (-144°C/-227°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Niobium: 1.3%︎ Tin: 1.2%︎ Manganese: 7.9%︎ Vanadium: 4.7%︎ Zinc: 5.2%︎ Carbon: 15.8%︎ Iron: 19.2%︎ Nickel: 14.5%︎ Phosphorus: 10.1%︎ Sulphur: 18.8%︎ Ch'eng 6 - Gas giant with ammonia-based life
Body distance3,722 LsEarth masses25.5488Radius32,641 kmGravity0.97 gSurface temperature106 K (-167°C/-269°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ch'eng 6 f - Icy body Landable
Body distance3,715 LsEarth masses0.0020Radius1,115 kmGravity0.07 gSurface temperature94 K (-179°C/-290°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.7%︎ Cadmium: 0.9%︎ Molybdenum: 0.8%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Zinc: 3.2%︎ Carbon: 22.4%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.3%︎ Sulphur: 26.6%︎ Ch'eng 6 c - Icy body Landable
Body distance3,719 LsEarth masses0.0003Radius607 kmGravity0.04 gSurface temperature94 K (-179°C/-290°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Ruthenium: 0.7%︎ Tin: 0.7%︎ Tungsten: 0.7%︎ Chromium: 5.5%︎ Germanium: 3.5%︎ Vanadium: 3.0%︎ Carbon: 22.8%︎ Iron: 12.1%︎ Nickel: 9.2%︎ Phosphorus: 14.6%︎ Sulphur: 27.2%︎ Ch'eng 6 a - Icy body Landable
Body distance3,720 LsEarth masses0.0004Radius660 kmGravity0.04 gSurface temperature94 K (-179°C/-290°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.2%︎ Yttrium: 0.7%︎ Cadmium: 0.9%︎ Tin: 0.7%︎ Manganese: 5.0%︎ Vanadium: 3.0%︎ Carbon: 22.7%︎ Iron: 12.1%︎ Nickel: 9.1%︎ Phosphorus: 14.5%︎ Sulphur: 27.0%︎ Ch'eng 6 d - Icy body Landable
Body distance3,723 LsEarth masses0.0008Radius809 kmGravity0.05 gSurface temperature94 K (-179°C/-290°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.2%︎ Tellurium: 0.9%︎ Cadmium: 0.9%︎ Tin: 0.7%︎ Manganese: 5.0%︎ Zinc: 3.3%︎ Carbon: 22.6%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.5%︎ Sulphur: 26.9%︎ Ch'eng 6 b - Icy body Landable
Body distance3,724 LsEarth masses0.0007Radius802 kmGravity0.05 gSurface temperature94 K (-179°C/-290°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Ruthenium: 0.8%︎ Tin: 0.8%︎ Tungsten: 0.7%︎ Arsenic: 1.6%︎ Germanium: 3.7%︎ Vanadium: 3.1%︎ Carbon: 23.7%︎ Iron: 12.6%︎ Nickel: 9.6%︎ Phosphorus: 15.2%︎ Sulphur: 28.2%︎ Ch'eng 6 e - Icy body Landable
Body distance3,725 LsEarth masses0.0008Radius816 kmGravity0.05 gSurface temperature94 K (-179°C/-290°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.8%︎ Niobium: 0.8%︎ Tin: 0.7%︎ Manganese: 5.0%︎ Vanadium: 3.0%︎ Zinc: 3.3%︎ Carbon: 23.0%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.7%︎ Sulphur: 27.3%︎ Ch'eng 7 - Icy body
Body distance17,416 LsEarth masses5.2349Radius12,075 kmGravity1.46 gSurface temperature49 K (-224°C/-372°F)Surface pressure0.92 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ LP 339-7 3 - Earth-like world
Body distance74 LsEarth masses1.8207Radius7,249 kmGravity1.41 gSurface temperature285 K (12°C/53°F)Surface pressure2.30 atmVolcanismAtmosphereSuitable for water-based lifeTerraformingTerraformed︎ Ch'eng 6 b+c - Icy body Landable
Body distance6,085 LsEarth masses0.0019Radius1,082 kmGravity0.06 gSurface temperature29 K (-244°C/-408°F)Surface pressure0.00 atmVolcanismMajor Water magmaAtmosphereTerraforming︎ Ruthenium: 0.7%︎ Selenium: 4.1%︎ Tin: 0.7%︎ Tungsten: 0.7%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Carbon: 22.1%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.2%︎ Sulphur: 26.3%︎ LP 339-7 5 - Class I gas giant
Body distance6,086 LsRing/belt typeIcy (Major)
Rocky (Major)Earth masses250.0830Radius70,280 kmGravity2.06 gSurface temperature56 K (-218°C/-360°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming