Star system
Gliese 577
Economy
Extraction / Refinery
Government
Corporate
Allegiance
Independent
Star type
Class G star Scoopable
Coordinates
-96.88 / 107.25 / -20.13
Permit required
No
︎ Gliese 577 - Class G star
Body distance-Solar masses0.9414Solar radius0.9443︎ Gliese 577 1 - Class I gas giant
Body distance1,343 LsRing/belt typeMetal rich (Common)Earth masses22.5495Radius23,765 kmGravity1.62 gSurface temperature134 K (-139°C/-218°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Gliese 577 1 a - Rocky body
Body distance1,343 LsEarth masses0.0010Radius693 kmGravity0.08 gSurface temperature233 K (-40°C/-40°F)Surface pressure1.22 atmVolcanismMinor Silicate vapour geysersAtmosphereCarbon dioxideTerraforming︎ Gliese 577 1 b - Rocky body
Body distance1,344 LsEarth masses0.0008Radius651 kmGravity0.08 gSurface temperature230 K (-43°C/-46°F)Surface pressure1.07 atmVolcanismRocky magmaAtmosphereSulphur dioxideTerraforming︎ Gliese 577 2 - Gas giant with ammonia-based life
Body distance1,719 LsRing/belt typeMetal rich (Common)
Rocky (Common)Earth masses24.9193Radius29,633 kmGravity1.15 gSurface temperature119 K (-154°C/-245°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Gliese 577 2 a - Rocky body
Body distance1,718 LsEarth masses0.0002Radius422 kmGravity0.05 gSurface temperature120 K (-153°C/-243°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ Gliese 577 2 b - Rocky body Landable
Body distance1,719 LsEarth masses0.0004Radius522 kmGravity0.06 gSurface temperature120 K (-153°C/-243°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Mercury: 0.8%︎ Molybdenum: 1.2%︎ Chromium: 8.4%︎ Manganese: 7.7%︎ Vanadium: 4.6%︎ Carbon: 15.3%︎ Iron: 18.6%︎ Nickel: 14.1%︎ Phosphorus: 9.8%︎ Sulphur: 18.2%︎ Gliese 577 2 c - Rocky body Landable
Body distance1,720 LsEarth masses0.0006Radius592 kmGravity0.07 gSurface temperature120 K (-153°C/-243°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Molybdenum: 1.3%︎ Tungsten: 1.1%︎ Arsenic: 2.6%︎ Chromium: 8.9%︎ Vanadium: 4.9%︎ Carbon: 16.2%︎ Iron: 19.8%︎ Nickel: 15.0%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%︎ Gliese 577 3 - Class III gas giant
Body distance2,335 LsRing/belt typeMetal rich (Common)Earth masses1,686.0400Radius74,624 kmGravity12.31 gSurface temperature436 K (163°C/325°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Gliese 577 3 e - Rocky body Landable
Body distance2,331 LsEarth masses0.0045Radius1,155 kmGravity0.14 gSurface temperature160 K (-113°C/-172°F)Surface pressure0.00 atmVolcanismAtmosphereThin AmmoniaTerraforming︎ Antimony: 1.1%︎ Mercury: 0.8%︎ Molybdenum: 1.2%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.2%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.7%︎ Sulphur: 18.1%︎ Gliese 577 3 d - Rocky body Landable
Body distance2,333 LsEarth masses0.0082Radius1,410 kmGravity0.17 gSurface temperature166 K (-107°C/-160°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Cadmium: 1.6%︎ Tin: 1.2%︎ Arsenic: 2.6%︎ Germanium: 5.8%︎ Vanadium: 5.0%︎ Carbon: 16.6%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.6%︎ Sulphur: 19.8%︎ Gliese 577 3 c - Rocky body Landable
Body distance2,335 LsEarth masses0.0022Radius919 kmGravity0.11 gSurface temperature175 K (-98°C/-144°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Arsenic: 2.6%︎ Vanadium: 5.0%︎ Zinc: 5.5%︎ Carbon: 16.7%︎ Iron: 20.4%︎ Nickel: 15.4%︎ Phosphorus: 10.7%︎ Sulphur: 19.9%︎ Gliese 577 3 b - Rocky body Landable
Body distance2,335 LsEarth masses0.0030Radius1,010 kmGravity0.12 gSurface temperature185 K (-88°C/-127°F)Surface pressure0.00 atmVolcanismMinor Silicate vapour geysersAtmosphereTerraforming︎ Selenium: 3.1%︎ Yttrium: 1.2%︎ Molybdenum: 1.3%︎ Niobium: 1.4%︎ Vanadium: 5.0%︎ Zinc: 5.5%︎ Carbon: 16.6%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.6%︎ Sulphur: 19.8%︎ Gliese 577 3 a - Rocky body Landable
Body distance2,336 LsEarth masses0.0038Radius1,088 kmGravity0.13 gSurface temperature200 K (-73°C/-99°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Cadmium: 1.5%︎ Molybdenum: 1.3%︎ Manganese: 7.9%︎ Vanadium: 4.7%︎ Zinc: 5.2%︎ Carbon: 15.7%︎ Iron: 19.2%︎ Nickel: 14.6%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ Gliese 577 4 - Class III gas giant
Body distance2,394 LsRing/belt typeMetal rich (Common)Earth masses1,671.5600Radius74,830 kmGravity12.13 gSurface temperature433 K (160°C/319°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Gliese 577 4 c - Rocky body Landable
Body distance2,391 LsEarth masses0.0011Radius715 kmGravity0.08 gSurface temperature156 K (-117°C/-178°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Molybdenum: 1.2%︎ Niobium: 1.3%︎ Germanium: 5.5%︎ Manganese: 7.8%︎ Zinc: 5.2%︎ Carbon: 15.6%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ Gliese 577 4 a - Rocky body
Body distance2,393 LsEarth masses0.0014Radius776 kmGravity0.09 gSurface temperature180 K (-94°C/-136°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ Gliese 577 4 b - Rocky body Landable
Body distance2,396 LsEarth masses0.0010Radius712 kmGravity0.08 gSurface temperature163 K (-110°C/-166°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Niobium: 1.4%︎ Tungsten: 1.1%︎ Germanium: 5.8%︎ Zinc: 5.5%︎ Zirconium: 2.3%︎ Carbon: 16.6%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.6%︎ Sulphur: 19.8%︎ Gliese 577 5 - Class I gas giant
Body distance4,145 LsRing/belt typeIcy (Common)
Metal rich (Common)Earth masses174.2450Radius58,831 kmGravity2.05 gSurface temperature94 K (-179°C/-290°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Gliese 577 5 d - Icy body
Body distance4,127 LsEarth masses0.0064Radius1,628 kmGravity0.10 gSurface temperature122 K (-151°C/-240°F)Surface pressure0.46 atmVolcanismAtmosphereMethaneTerraforming︎ Gliese 577 5 c - Icy body
Body distance4,136 LsEarth masses0.0050Radius1,502 kmGravity0.09 gSurface temperature120 K (-153°C/-244°F)Surface pressure0.39 atmVolcanismAtmosphereMethaneTerraforming︎ Gliese 577 5 b - Icy body
Body distance4,141 LsEarth masses0.0081Radius1,758 kmGravity0.11 gSurface temperature125 K (-148°C/-235°F)Surface pressure0.54 atmVolcanismAtmosphereMethaneTerraforming︎ Gliese 577 5 a - Icy body
Body distance4,148 LsEarth masses0.0042Radius1,416 kmGravity0.08 gSurface temperature120 K (-153°C/-243°F)Surface pressure0.34 atmVolcanismAtmosphereMethaneTerraforming︎ Gliese 577 6 - Class I gas giant
Body distance5,983 LsRing/belt typeIcy (Common)
Rocky (Common)Earth masses59.9401Radius44,757 kmGravity1.22 gSurface temperature67 K (-206°C/-339°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Gliese 577 6 c - Icy body Landable
Body distance5,975 LsEarth masses0.0004Radius663 kmGravity0.04 gSurface temperature57 K (-216°C/-358°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.3%︎ Tellurium: 0.9%︎ Molybdenum: 0.8%︎ Niobium: 0.8%︎ Arsenic: 1.6%︎ Chromium: 5.5%︎ Carbon: 22.9%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.6%︎ Sulphur: 27.2%︎ Gliese 577 6 a - Icy body Landable
Body distance5,983 LsEarth masses0.0003Radius598 kmGravity0.03 gSurface temperature57 K (-216°C/-357°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.4%︎ Molybdenum: 0.8%︎ Niobium: 0.8%︎ Arsenic: 1.6%︎ Chromium: 5.5%︎ Manganese: 5.0%︎ Carbon: 22.8%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.6%︎ Sulphur: 27.1%︎ Gliese 577 6 b - Icy body Landable
Body distance5,984 LsEarth masses0.0007Radius797 kmGravity0.05 gSurface temperature57 K (-216°C/-357°F)Surface pressure0.00 atmVolcanismAtmosphereThin ArgonTerraforming︎ Yttrium: 0.7%︎ Molybdenum: 0.8%︎ Tungsten: 0.7%︎ Chromium: 5.4%︎ Manganese: 5.0%︎ Vanadium: 3.0%︎ Carbon: 22.3%︎ Iron: 12.1%︎ Nickel: 9.2%︎ Phosphorus: 14.3%︎ Sulphur: 26.5%︎ Gliese 577 6 d - Icy body Landable
Body distance5,990 LsEarth masses0.0010Radius878 kmGravity0.05 gSurface temperature57 K (-216°C/-358°F)Surface pressure0.00 atmVolcanismAtmosphereThin ArgonTerraforming︎ Yttrium: 0.7%︎ Cadmium: 0.9%︎ Niobium: 0.8%︎ Chromium: 5.5%︎ Vanadium: 3.0%︎ Zinc: 3.3%︎ Carbon: 22.8%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.6%︎ Sulphur: 27.1%︎ Gliese 577 7 - Icy body
Body distance5,989 LsRing/belt typeIcy (Common)
Metal rich (Common)Earth masses42.7276Radius21,118 kmGravity3.89 gSurface temperature61 K (-212°C/-350°F)Surface pressure7.71 atmVolcanismWater geysersAtmosphereThick HeliumTerraforming