Star system
Eta Sagittarii
Economy
Industrial / Extraction
Government
Patronage
Allegiance
Empire
Star type
Class M star (red giant) Scoopable
Coordinates
8.09 / -26.03 / 143.34
Permit required
No
Powerplay
Unoccupied
Powers
︎ Eta Sagittarii A - Class M star (red giant)
Body distance-Solar masses0.3281Solar radius43.1742︎ Eta Sagittarii B - Class T star (brown dwarf)
Body distance153 LsSolar masses0.0781Solar radius0.2090︎ Eta Sagittarii AB 1 - High metal content world
Body distance389 LsEarth masses1.8627Radius7,304 kmGravity1.42 gSurface temperature1,803 K (1,530°C/2,785°F)Surface pressure7.20 atmVolcanismAtmosphereHot Thick Carbon dioxideTerraforming︎ Eta Sagittarii AB 2 - High metal content world Landable
Body distance496 LsEarth masses1.8617Radius7,303 kmGravity1.42 gSurface temperature794 K (521°C/969°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.3%︎ Tin: 1.4%︎ Tungsten: 1.2%︎ Chromium: 9.6%︎ Germanium: 4.4%︎ Manganese: 8.8%︎ Carbon: 12.7%︎ Iron: 21.3%︎ Nickel: 16.1%︎ Phosphorus: 8.2%︎ Sulphur: 15.1%︎ Eta Sagittarii AB 3 - High metal content world
Body distance708 LsEarth masses2.8116Radius8,170 kmGravity1.71 gSurface temperature2,305 K (2,032°C/3,689°F)Surface pressure412.30 atmVolcanismMinor Metallic magmaAtmosphereHot Thick Carbon dioxideTerraforming︎ Eta Sagittarii AB 3 a - Rocky body Landable
Body distance731 LsEarth masses0.2580Radius4,230 kmGravity0.59 gSurface temperature672 K (399°C/750°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.3%︎ Mercury: 0.9%︎ Tin: 1.2%︎ Chromium: 8.9%︎ Germanium: 5.2%︎ Zinc: 5.4%︎ Carbon: 15.0%︎ Iron: 19.8%︎ Nickel: 15.0%︎ Phosphorus: 9.6%︎ Sulphur: 17.8%︎ Eta Sagittarii AB 4 - Class III gas giant
Body distance1,947 LsRing/belt typeMetallic (Major)
Metal rich (Major)Earth masses10.6609Radius31,367 kmGravity0.44 gSurface temperature401 K (128°C/262°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Eta Sagittarii AB 4 a - Rocky body Landable
Body distance1,916 LsEarth masses0.0003Radius453 kmGravity0.05 gSurface temperature407 K (133°C/272°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Selenium: 3.0%︎ Cadmium: 1.5%︎ Tungsten: 1.1%︎ Manganese: 8.2%︎ Vanadium: 4.9%︎ Carbon: 16.3%︎ Iron: 19.8%︎ Nickel: 14.9%︎ Phosphorus: 10.4%︎ Sulphur: 19.4%︎ Eta Sagittarii AB 4 b - Rocky body Landable
Body distance1,939 LsEarth masses0.0004Radius528 kmGravity0.06 gSurface temperature407 K (133°C/272°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Molybdenum: 1.2%︎ Tin: 1.1%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.7%︎ Carbon: 15.3%︎ Iron: 18.6%︎ Nickel: 14.0%︎ Phosphorus: 9.8%︎ Sulphur: 18.2%︎ Eta Sagittarii AB 5 - High metal content world
Body distance2,750 LsRing/belt typeMetal rich (Major)Earth masses7.0318Radius11,928 kmGravity2.01 gSurface temperature1,598 K (1,325°C/2,417°F)Surface pressure918.01 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick Carbon dioxideTerraforming︎ Eta Sagittarii C - Class L star (brown dwarf)
Body distance17,187 LsSolar masses0.1836Solar radius0.3135︎ Eta Sagittarii C 5 - High metal content world
Body distance16,150 LsEarth masses0.7070Radius5,483 kmGravity0.96 gSurface temperature310 K (37°C/98°F)Surface pressure6.48 atmVolcanismAtmosphereThick Ammonia-richTerraforming︎ Eta Sagittarii C 3 - High metal content world
Body distance16,581 LsEarth masses0.7334Radius5,544 kmGravity0.97 gSurface temperature360 K (86°C/187°F)Surface pressure6.97 atmVolcanismAtmosphereThick Ammonia-richTerraforming︎ Eta Sagittarii C 2 - High metal content world
Body distance17,027 LsEarth masses0.3663Radius4,483 kmGravity0.74 gSurface temperature242 K (-32°C/-25°F)Surface pressure2.38 atmVolcanismAtmosphereCarbon dioxide-richTerraforming︎ Eta Sagittarii C 4 - High metal content world
Body distance17,303 LsEarth masses1.0273Radius6,134 kmGravity1.11 gSurface temperature233 K (-40°C/-41°F)Surface pressure1.94 atmVolcanismAtmosphereCarbon dioxide-richTerraforming︎ Eta Sagittarii C 1 - High metal content world
Body distance17,307 LsEarth masses0.7092Radius5,488 kmGravity0.96 gSurface temperature383 K (110°C/229°F)Surface pressure4.40 atmVolcanismAtmosphereWater-richTerraformingTerraformable