Star system
YY Orionis
Economy
Government
Allegiance
Independent
Star type
Class K star Scoopable
Coordinates
589.03 / -429.53 / -1041.19
Permit required
No
Powerplay
Unoccupied
Powers
︎ YY Orionis - Class K star
Body distance-Solar masses0.6992Solar radius0.8031︎ YY Orionis 1 - Class III gas giant
Body distance1,620 LsRing/belt typeRocky (Pristine)Earth masses1,595.7400Radius75,173 kmGravity11.48 gSurface temperature402 K (128°C/263°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ YY Orionis 1 c - Rocky body Landable
Body distance1,609 LsEarth masses0.0128Radius1,630 kmGravity0.20 gSurface temperature127 K (-146°C/-230°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.2%︎ Cadmium: 1.6%︎ Molybdenum: 1.3%︎ Arsenic: 2.6%︎ Vanadium: 5.0%︎ Zinc: 5.5%︎ Carbon: 16.6%︎ Iron: 20.3%︎ Nickel: 15.4%︎ Phosphorus: 10.7%︎ Sulphur: 19.8%︎ YY Orionis 1 b - Rocky body Landable
Body distance1,618 LsEarth masses0.0380Radius2,322 kmGravity0.29 gSurface temperature157 K (-116°C/-176°F)Surface pressure0.01 atmVolcanismAtmosphereThin Sulphur dioxideTerraforming︎ Polonium: 0.5%︎ Molybdenum: 1.2%︎ Tin: 1.1%︎ Chromium: 8.4%︎ Germanium: 5.4%︎ Manganese: 7.7%︎ Carbon: 15.2%︎ Iron: 18.6%︎ Nickel: 14.1%︎ Phosphorus: 9.7%︎ Sulphur: 18.1%︎ YY Orionis 1 a - Rocky body Landable
Body distance1,622 LsEarth masses0.0346Radius2,253 kmGravity0.28 gSurface temperature176 K (-97°C/-142°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Technetium: 0.7%︎ Niobium: 1.3%︎ Tungsten: 1.1%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Zirconium: 2.2%︎ Carbon: 15.7%︎ Iron: 19.2%︎ Nickel: 14.5%︎ Phosphorus: 10.1%︎ Sulphur: 18.7%︎ YY Orionis 3 - Class IV gas giant
Body distance2,390 LsRing/belt typeRocky (Pristine)Earth masses3,477.5600Radius65,611 kmGravity32.83 gSurface temperature894 K (620°C/1,149°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ YY Orionis 3 c - Rocky body Landable
Body distance2,385 LsEarth masses0.0148Radius1,710 kmGravity0.21 gSurface temperature199 K (-74°C/-102°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Selenium: 3.0%︎ Yttrium: 1.2%︎ Mercury: 0.9%︎ Tin: 1.2%︎ Chromium: 8.8%︎ Vanadium: 4.8%︎ Carbon: 16.1%︎ Iron: 19.7%︎ Nickel: 14.9%︎ Phosphorus: 10.3%︎ Sulphur: 19.2%︎ YY Orionis 3 d - Rocky body Landable
Body distance2,385 LsEarth masses0.0129Radius1,635 kmGravity0.20 gSurface temperature199 K (-74°C/-102°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Polonium: 0.5%︎ Molybdenum: 1.3%︎ Niobium: 1.4%︎ Arsenic: 2.6%︎ Chromium: 8.9%︎ Vanadium: 4.9%︎ Carbon: 16.2%︎ Iron: 19.8%︎ Nickel: 15.0%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%︎ YY Orionis 3 f - Rocky body Landable
Body distance2,385 LsEarth masses0.0468Radius2,486 kmGravity0.31 gSurface temperature158 K (-115°C/-175°F)Surface pressure0.00 atmVolcanismAtmosphereThin Sulphur dioxideTerraforming︎ Selenium: 3.0%︎ Technetium: 0.7%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Manganese: 8.2%︎ Vanadium: 4.9%︎ Carbon: 16.2%︎ Iron: 19.8%︎ Nickel: 15.0%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%︎ YY Orionis 3 b - Rocky body Landable
Body distance2,387 LsEarth masses0.0170Radius1,787 kmGravity0.22 gSurface temperature231 K (-43°C/-45°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.7%︎ Niobium: 1.3%︎ Tungsten: 1.1%︎ Manganese: 8.0%︎ Vanadium: 4.8%︎ Zinc: 5.3%︎ Carbon: 15.8%︎ Iron: 19.4%︎ Nickel: 14.7%︎ Phosphorus: 10.1%︎ Sulphur: 18.8%︎ YY Orionis 3 a - Rocky body
Body distance2,388 LsEarth masses0.0139Radius1,673 kmGravity0.20 gSurface temperature1,047 K (773°C/1,424°F)Surface pressure138.90 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick WaterTerraforming︎ YY Orionis 3 e - Rocky body Landable
Body distance2,390 LsEarth masses0.0106Radius1,531 kmGravity0.18 gSurface temperature178 K (-95°C/-139°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Cadmium: 1.5%︎ Molybdenum: 1.2%︎ Chromium: 8.5%︎ Germanium: 5.5%︎ Zinc: 5.1%︎ Carbon: 15.5%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 9.9%︎ Sulphur: 18.4%︎ YY Orionis 2 a - Rocky body Landable
Body distance2,495 LsEarth masses0.0028Radius985 kmGravity0.12 gSurface temperature158 K (-116°C/-176°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Tellurium: 1.5%︎ Molybdenum: 1.3%︎ Niobium: 1.4%︎ Manganese: 8.2%︎ Vanadium: 4.9%︎ Zirconium: 2.3%︎ Carbon: 16.2%︎ Iron: 19.8%︎ Nickel: 15.0%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%︎ YY Orionis 2 b - Rocky body
Body distance2,500 LsEarth masses0.0035Radius1,069 kmGravity0.13 gSurface temperature152 K (-121°C/-186°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ YY Orionis 2 c - Rocky body
Body distance2,502 LsEarth masses0.0096Radius1,485 kmGravity0.18 gSurface temperature300 K (27°C/80°F)Surface pressure5.96 atmVolcanismAtmosphereThick Carbon dioxideTerraforming︎ YY Orionis 4 - Icy body
Body distance4,269 LsEarth masses86.7476Radius23,033 kmGravity6.65 gSurface temperature62 K (-212°C/-349°F)Surface pressure22.62 atmVolcanismWater geysersAtmosphereThick HeliumTerraforming︎ YY Orionis 5 - Class I gas giant
Body distance12,445 LsEarth masses21.5396Radius22,973 kmGravity1.66 gSurface temperature33 K (-240°C/-401°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ YY Orionis 2 - Class Y star (brown dwarf)
Body distance2,498 LsSolar masses0.0117Solar radius0.0604