Star system
Gliese 550
Economy
Agriculture / Industrial
Government
Democracy
Allegiance
Independent
Star type
Class G star Scoopable
Coordinates
82.34 / 16.81 / 91.56
Permit required
No
︎ Gliese 550 A - Class G star
Body distance-Solar masses1.0000Solar radius1.0151︎ Gliese 550 A 1 - High metal content world Landable
Body distance42 LsEarth masses2.5817Radius8,018 kmGravity1.63 gSurface temperature856 K (583°C/1,081°F)Surface pressure0.00 atmVolcanismMinor Silicate vapour geysersAtmosphereTerraforming︎ Ruthenium: 1.4%︎ Tin: 1.5%︎ Tungsten: 1.2%︎ Arsenic: 2.1%︎ Chromium: 10.2%︎ Vanadium: 5.6%︎ Carbon: 13.5%︎ Iron: 22.6%︎ Nickel: 17.1%︎ Phosphorus: 8.7%︎ Sulphur: 16.1%︎ Gliese 550 A 2 - High metal content world Landable
Body distance60 LsEarth masses0.7707Radius5,628 kmGravity0.99 gSurface temperature724 K (451°C/844°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.2%︎ Mercury: 1.0%︎ Niobium: 1.5%︎ Chromium: 9.8%︎ Vanadium: 5.4%︎ Zinc: 5.9%︎ Carbon: 13.1%︎ Iron: 21.8%︎ Nickel: 16.5%︎ Phosphorus: 8.4%︎ Sulphur: 15.5%︎ Gliese 550 A 3 - High metal content world Landable
Body distance93 LsEarth masses0.6393Radius5,319 kmGravity0.92 gSurface temperature591 K (318°C/605°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.1%︎ Molybdenum: 1.4%︎ Niobium: 1.4%︎ Chromium: 9.4%︎ Manganese: 8.6%︎ Zinc: 5.7%︎ Carbon: 12.6%︎ Iron: 20.9%︎ Nickel: 15.8%︎ Phosphorus: 8.0%︎ Sulphur: 14.9%︎ Gliese 550 A 4 - High metal content world Landable
Body distance133 LsEarth masses0.5423Radius5,058 kmGravity0.86 gSurface temperature504 K (231°C/448°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.0%︎ Mercury: 1.0%︎ Tin: 1.4%︎ Chromium: 9.9%︎ Germanium: 4.6%︎ Zinc: 6.0%︎ Carbon: 13.2%︎ Iron: 22.0%︎ Nickel: 16.7%︎ Phosphorus: 8.5%︎ Sulphur: 15.7%︎ Gliese 550 A 5 - High metal content world
Body distance183 LsEarth masses1.0698Radius6,194 kmGravity1.13 gSurface temperature1,129 K (856°C/1,572°F)Surface pressure41.47 atmVolcanismAtmosphereHot Thick Carbon dioxideTerraforming︎ Gliese 550 A 5 a - Rocky body Landable
Body distance183 LsEarth masses0.0465Radius2,449 kmGravity0.32 gSurface temperature436 K (163°C/325°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.6%︎ Cadmium: 1.7%︎ Mercury: 0.9%︎ Vanadium: 5.3%︎ Zinc: 5.8%︎ Zirconium: 2.5%︎ Carbon: 16.2%︎ Iron: 21.4%︎ Nickel: 16.2%︎ Phosphorus: 10.3%︎ Sulphur: 19.2%︎ Gliese 550 BC 2 - Earth-like world
Body distance1,395 LsEarth masses0.1458Radius3,358 kmGravity0.53 gSurface temperature320 K (46°C/115°F)Surface pressure1.25 atmVolcanismAtmosphereSuitable for water-based lifeTerraformingTerraformed︎ Gliese 550 C - Class M star
Body distance1,572 LsSolar masses0.2305Solar radius0.3935︎ Gliese 550 C 1 - Metal-rich body Landable
Body distance1,666 LsEarth masses0.0007Radius479 kmGravity0.13 gSurface temperature1,010 K (737°C/1,358°F)Surface pressure0.00 atmVolcanismMajor Metallic magmaAtmosphereTerraforming︎ Yttrium: 2.2%︎ Mercury: 1.6%︎ Molybdenum: 2.4%︎ Manganese: 15.2%︎ Zinc: 10.0%︎ Zirconium: 4.3%︎ Iron: 36.7%︎ Nickel: 27.7%︎ Gliese 550 B - Class M star
Body distance1,586 LsSolar masses0.4297Solar radius0.5498︎ Gliese 550 B 2 - Metal-rich body Landable
Body distance1,531 LsEarth masses0.0023Radius704 kmGravity0.19 gSurface temperature1,025 K (752°C/1,385°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Antimony: 1.4%︎ Mercury: 1.6%︎ Tin: 2.5%︎ Manganese: 15.3%︎ Zinc: 10.0%︎ Zirconium: 4.3%︎ Iron: 37.0%︎ Nickel: 28.0%︎ Gliese 550 B 1 - Metal-rich body Landable
Body distance1,563 LsEarth masses0.0007Radius467 kmGravity0.12 gSurface temperature1,191 K (917°C/1,683°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Tellurium: 0.8%︎ Mercury: 1.6%︎ Tungsten: 2.0%︎ Chromium: 16.1%︎ Germanium: 1.7%︎ Manganese: 14.8%︎ Iron: 35.9%︎ Nickel: 27.2%︎ Gliese 550 BC 1 - High metal content world
Body distance1,677 LsEarth masses0.2891Radius4,162 kmGravity0.68 gSurface temperature486 K (213°C/415°F)Surface pressure0.58 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ Gliese 550 BC 1 a - Rocky body Landable
Body distance1,431 LsEarth masses0.0038Radius1,081 kmGravity0.13 gSurface temperature307 K (34°C/93°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 2.8%︎ Tellurium: 1.4%︎ Molybdenum: 1.3%︎ Tungsten: 1.1%︎ Chromium: 8.8%︎ Manganese: 8.1%︎ Carbon: 14.9%︎ Iron: 19.7%︎ Nickel: 14.9%︎ Phosphorus: 9.5%︎ Sulphur: 17.7%︎ Gliese 550 ABC 1 - Class I gas giant
Body distance5,213 LsRing/belt typeIcy (Pristine)Earth masses226.5370Radius64,108 kmGravity2.24 gSurface temperature101 K (-173°C/-279°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Gliese 550 ABC 1 e - Icy body
Body distance4,762 LsEarth masses0.0010Radius891 kmGravity0.05 gSurface temperature106 K (-167°C/-269°F)Surface pressure0.13 atmVolcanismAtmosphereMethaneTerraforming︎ Gliese 550 ABC 1 b - Icy body
Body distance5,101 LsEarth masses0.0009Radius847 kmGravity0.05 gSurface temperature106 K (-167°C/-269°F)Surface pressure0.12 atmVolcanismAtmosphereMethaneTerraforming︎ Gliese 550 ABC 1 c - Icy body
Body distance5,180 LsEarth masses0.0004Radius674 kmGravity0.04 gSurface temperature159 K (-115°C/-174°F)Surface pressure4.28 atmVolcanismAtmosphereMethaneTerraforming︎ Gliese 550 ABC 1 d - Icy body
Body distance5,182 LsEarth masses0.0012Radius928 kmGravity0.06 gSurface temperature107 K (-166°C/-267°F)Surface pressure0.14 atmVolcanismAtmosphereMethaneTerraforming︎ Gliese 550 ABC 1 f - Icy body
Body distance5,190 LsEarth masses0.0015Radius1,010 kmGravity0.06 gSurface temperature108 K (-165°C/-264°F)Surface pressure0.17 atmVolcanismAtmosphereMethaneTerraforming︎ Gliese 550 ABC 1 g - Icy body
Body distance5,227 LsEarth masses0.0022Radius1,136 kmGravity0.07 gSurface temperature111 K (-162°C/-260°F)Surface pressure0.22 atmVolcanismAtmosphereMethaneTerraforming︎ Gliese 550 ABC 1 a - Icy body
Body distance5,240 LsEarth masses0.0011Radius910 kmGravity0.05 gSurface temperature109 K (-165°C/-264°F)Surface pressure0.14 atmVolcanismAtmosphereMethaneTerraforming︎ Gliese 550 ABC 1 h - Icy body
Body distance5,295 LsEarth masses0.0013Radius967 kmGravity0.06 gSurface temperature107 K (-166°C/-267°F)Surface pressure0.16 atmVolcanismAtmosphereMethaneTerraforming