Star system
Upsilon Andromedae
Economy
Industrial / Refinery
Government
Democracy
Allegiance
Independent
Star type
Class F star Scoopable
Coordinates
-30.44 / -15.28 / -27.91
Permit required
No
︎ Upsilon Andromedae - Class F star
Body distance-Solar masses1.4453Solar radius1.2629︎ Upsilon Andromedae A 1 - Metal-rich body
Body distance12 LsEarth masses1.2049Radius5,117 kmGravity1.87 gSurface temperature3,264 K (2,990°C/5,415°F)Surface pressure1,904.34 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick Silicate vapourTerraforming︎ Upsilon Andromedae A 2 - Class IV gas giant
Body distance30 LsEarth masses65.1929Radius51,384 kmGravity1.00 gSurface temperature1,379 K (1,106°C/2,022°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Upsilon Andromedae A 3 - Class III gas giant
Body distance431 LsEarth masses608.1800Radius74,786 kmGravity4.42 gSurface temperature462 K (189°C/373°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Upsilon Andromedae A 4 - Class III gas giant
Body distance1,596 LsEarth masses1,304.7100Radius74,289 kmGravity9.61 gSurface temperature455 K (181°C/358°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Upsilon Andromedae B - Class M star
Body distance13,106 LsSolar masses0.2461Solar radius0.4276︎ Upsilon Andromedae B 3 - High metal content world Landable
Body distance12,791 LsEarth masses0.0327Radius2,078 kmGravity0.31 gSurface temperature152 K (-122°C/-187°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.0%︎ Molybdenum: 1.4%︎ Tungsten: 1.2%︎ Chromium: 9.8%︎ Vanadium: 5.4%︎ Zinc: 5.9%︎ Carbon: 13.0%︎ Iron: 21.9%︎ Nickel: 16.6%︎ Phosphorus: 8.3%︎ Sulphur: 15.5%︎ Upsilon Andromedae B 2 - High metal content world
Body distance12,910 LsEarth masses0.0968Radius2,934 kmGravity0.46 gSurface temperature223 K (-51°C/-59°F)Surface pressure0.10 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ Upsilon Andromedae B 2 a - Rocky body Landable
Body distance12,892 LsEarth masses0.0071Radius1,324 kmGravity0.16 gSurface temperature168 K (-105°C/-158°F)Surface pressure0.00 atmVolcanismAtmosphereThin AmmoniaTerraforming︎ Selenium: 2.8%︎ Yttrium: 1.2%︎ Mercury: 0.9%︎ Niobium: 1.4%︎ Chromium: 9.2%︎ Zinc: 5.5%︎ Carbon: 15.3%︎ Iron: 20.4%︎ Nickel: 15.4%︎ Phosphorus: 9.8%︎ Sulphur: 18.2%︎ Upsilon Andromedae B 1 - High metal content world Landable
Body distance12,995 LsEarth masses0.0647Radius2,590 kmGravity0.39 gSurface temperature202 K (-71°C/-95°F)Surface pressure0.00 atmVolcanismAtmosphereThin Sulphur dioxideTerraforming︎ Selenium: 2.4%︎ Technetium: 0.8%︎ Cadmium: 1.7%︎ Molybdenum: 1.4%︎ Chromium: 9.8%︎ Manganese: 9.0%︎ Carbon: 12.9%︎ Iron: 21.8%︎ Nickel: 16.5%︎ Phosphorus: 8.3%︎ Sulphur: 15.4%︎ Upsilon Andromedae B 5 - High metal content world
Body distance13,084 LsEarth masses0.0800Radius2,811 kmGravity0.41 gSurface temperature132 K (-141°C/-222°F)Surface pressure0.33 atmVolcanismAtmosphereArgonTerraforming︎ Upsilon Andromedae B 4 - High metal content world
Body distance13,099 LsEarth masses0.1630Radius3,486 kmGravity0.55 gSurface temperature160 K (-113°C/-171°F)Surface pressure26.01 atmVolcanismAtmosphereThick Argon-richTerraforming︎ Upsilon Andromedae B 4 a - Rocky body Landable
Body distance13,276 LsEarth masses0.0114Radius1,579 kmGravity0.19 gSurface temperature128 K (-145°C/-229°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.2%︎ Tin: 1.2%︎ Tungsten: 1.1%︎ Manganese: 8.0%︎ Vanadium: 4.8%︎ Zinc: 5.3%︎ Carbon: 15.7%︎ Iron: 19.4%︎ Nickel: 14.7%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%