Star system
Ross 340
Economy
Agriculture / Refinery
Government
Democracy
Allegiance
Federation
Star type
Class G star Scoopable
Coordinates
-67.88 / -14.13 / -93.84
Permit required
No
︎ Ross 340 A - Class G star
Body distance-Solar masses0.8828Solar radius0.9287︎ Ross 340 A 1 - Metal-rich body Landable
Body distance21 LsEarth masses0.0547Radius1,975 kmGravity0.57 gSurface temperature1,146 K (873°C/1,603°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 1.0%︎ Molybdenum: 2.3%︎ Niobium: 2.4%︎ Chromium: 15.9%︎ Germanium: 1.7%︎ Manganese: 14.6%︎ Iron: 35.4%︎ Nickel: 26.7%︎ Ross 340 B - Class M star
Body distance309 LsSolar masses0.2461Solar radius0.3766︎ Ross 340 C - Class L star (brown dwarf)
Body distance313 LsSolar masses0.1133Solar radius0.2636︎ Ross 340 ABC 1 - Class III gas giant
Body distance1,973 LsEarth masses2,806.5000Radius69,554 kmGravity23.58 gSurface temperature730 K (457°C/854°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ross 340 ABC 1 f - Rocky body Landable
Body distance1,933 LsEarth masses0.0113Radius1,564 kmGravity0.19 gSurface temperature154 K (-120°C/-183°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 2.9%︎ Tellurium: 1.4%︎ Cadmium: 1.5%︎ Tungsten: 1.0%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.5%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 9.9%︎ Sulphur: 18.4%︎ Ross 340 ABC 1 e - Rocky body Landable
Body distance1,946 LsEarth masses0.0100Radius1,505 kmGravity0.18 gSurface temperature159 K (-114°C/-173°F)Surface pressure0.00 atmVolcanismAtmosphereThin AmmoniaTerraforming︎ Yttrium: 1.1%︎ Mercury: 0.8%︎ Tin: 1.1%︎ Arsenic: 2.5%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Carbon: 15.7%︎ Iron: 19.1%︎ Nickel: 14.4%︎ Phosphorus: 10.0%︎ Sulphur: 18.7%︎ Ross 340 ABC 1 c a - Rocky body Landable
Body distance1,951 LsEarth masses0.0006Radius593 kmGravity0.07 gSurface temperature182 K (-91°C/-132°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Tellurium: 1.5%︎ Cadmium: 1.4%︎ Mercury: 0.8%︎ Chromium: 7.9%︎ Germanium: 5.8%︎ Zinc: 4.8%︎ Carbon: 16.6%︎ Iron: 17.5%︎ Nickel: 13.3%︎ Phosphorus: 10.6%︎ Sulphur: 19.8%︎ Ross 340 ABC 1 g - Rocky body Landable
Body distance1,959 LsEarth masses0.0109Radius1,545 kmGravity0.18 gSurface temperature190 K (-83°C/-117°F)Surface pressure0.06 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Selenium: 3.1%︎ Tellurium: 1.5%︎ Cadmium: 1.6%︎ Tungsten: 1.1%︎ Arsenic: 2.7%︎ Germanium: 5.9%︎ Carbon: 16.9%︎ Iron: 20.6%︎ Nickel: 15.6%︎ Phosphorus: 10.8%︎ Sulphur: 20.1%︎ Ross 340 ABC 1 a - Rocky body Landable
Body distance1,959 LsEarth masses0.0055Radius1,234 kmGravity0.15 gSurface temperature195 K (-79°C/-109°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Cadmium: 1.5%︎ Niobium: 1.3%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Zirconium: 2.2%︎ Carbon: 15.6%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ Ross 340 ABC 1 d - Rocky body Landable
Body distance1,966 LsEarth masses0.0086Radius1,431 kmGravity0.17 gSurface temperature167 K (-106°C/-159°F)Surface pressure0.00 atmVolcanismAtmosphereThin AmmoniaTerraforming︎ Ruthenium: 1.2%︎ Selenium: 3.1%︎ Niobium: 1.4%︎ Tin: 1.2%︎ Germanium: 5.8%︎ Vanadium: 5.0%︎ Carbon: 16.6%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.6%︎ Sulphur: 19.7%︎ Ross 340 ABC 1 b - Rocky body Landable
Body distance1,973 LsEarth masses0.0050Radius1,200 kmGravity0.14 gSurface temperature195 K (-79°C/-109°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Yttrium: 1.1%︎ Cadmium: 1.5%︎ Molybdenum: 1.2%︎ Germanium: 5.5%︎ Manganese: 7.9%︎ Zinc: 5.2%︎ Carbon: 15.6%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ Ross 340 ABC 1 c - Rocky body Landable
Body distance1,993 LsEarth masses0.0107Radius1,538 kmGravity0.18 gSurface temperature182 K (-91°C/-132°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Selenium: 3.1%︎ Niobium: 1.4%︎ Tin: 1.2%︎ Vanadium: 5.0%︎ Zinc: 5.6%︎ Carbon: 16.7%︎ Iron: 20.5%︎ Nickel: 15.5%︎ Phosphorus: 10.7%︎ Sulphur: 19.9%︎ Ross 340 ABC 3 - Icy body
Body distance2,590 LsEarth masses6.4561Radius13,237 kmGravity1.50 gSurface temperature582 K (309°C/588°F)Surface pressure26,766.44 atmVolcanismWater geysersAtmosphereHot Thick Methane-richTerraforming︎ Ross 340 ABC 2 - Class III gas giant
Body distance2,648 LsRing/belt typeMetal rich (Pristine)
Rocky (Pristine)Earth masses1,287.9200Radius76,531 kmGravity8.94 gSurface temperature330 K (57°C/134°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ross 340 ABC 2 e - Icy body Landable
Body distance2,506 LsEarth masses0.0231Radius2,375 kmGravity0.17 gSurface temperature114 K (-159°C/-255°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.1%︎ Cadmium: 1.1%︎ Mercury: 0.6%︎ Arsenic: 1.8%︎ Manganese: 5.9%︎ Vanadium: 3.5%︎ Carbon: 21.5%︎ Iron: 14.3%︎ Nickel: 10.8%︎ Phosphorus: 13.7%︎ Sulphur: 25.5%︎ Ross 340 ABC 2 c - Rocky body
Body distance2,623 LsEarth masses0.0020Radius882 kmGravity0.10 gSurface temperature247 K (-26°C/-15°F)Surface pressure2.00 atmVolcanismMinor Metallic magmaAtmosphereCarbon dioxideTerraforming︎ Ross 340 ABC 2 b - Rocky body
Body distance2,627 LsEarth masses0.0023Radius924 kmGravity0.11 gSurface temperature258 K (-15°C/5°F)Surface pressure2.12 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ Ross 340 ABC 2 d - Rocky body
Body distance2,644 LsEarth masses0.0017Radius842 kmGravity0.10 gSurface temperature245 K (-29°C/-20°F)Surface pressure1.81 atmVolcanismMinor Metallic magmaAtmosphereCarbon dioxideTerraforming︎ Ross 340 ABC 2 a - Rocky body Landable
Body distance2,648 LsEarth masses0.0006Radius608 kmGravity0.07 gSurface temperature160 K (-114°C/-172°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Yttrium: 1.2%︎ Mercury: 0.9%︎ Molybdenum: 1.3%︎ Chromium: 8.9%︎ Vanadium: 4.9%︎ Zirconium: 2.3%︎ Carbon: 16.2%︎ Iron: 19.8%︎ Nickel: 14.9%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%︎ Ross 340 ABC 4 - Class I gas giant
Body distance3,756 LsEarth masses30.3422Radius31,260 kmGravity1.26 gSurface temperature87 K (-186°C/-303°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ross 340 ABC 4 d - Icy body Landable
Body distance3,764 LsEarth masses0.0013Radius958 kmGravity0.06 gSurface temperature77 K (-196°C/-321°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Ruthenium: 0.7%︎ Selenium: 4.2%︎ Cadmium: 0.9%︎ Tungsten: 0.7%︎ Chromium: 5.4%︎ Germanium: 3.5%︎ Carbon: 22.5%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.4%︎ Sulphur: 26.7%︎ Ross 340 ABC 4 a - Icy body Landable
Body distance3,766 LsEarth masses0.0009Radius858 kmGravity0.05 gSurface temperature77 K (-196°C/-321°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Selenium: 4.3%︎ Tellurium: 0.9%︎ Mercury: 0.5%︎ Niobium: 0.8%︎ Vanadium: 3.0%︎ Zinc: 3.4%︎ Carbon: 23.1%︎ Iron: 12.3%︎ Nickel: 9.3%︎ Phosphorus: 14.8%︎ Sulphur: 27.5%︎ Ross 340 ABC 4 c - Icy body Landable
Body distance3,769 LsEarth masses0.0009Radius854 kmGravity0.05 gSurface temperature77 K (-196°C/-321°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.8%︎ Molybdenum: 0.8%︎ Tin: 0.7%︎ Chromium: 5.6%︎ Vanadium: 3.1%︎ Zirconium: 1.4%︎ Carbon: 23.2%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 14.9%︎ Sulphur: 27.6%︎ Ross 340 ABC 4 f - Icy body Landable
Body distance3,772 LsEarth masses0.0011Radius900 kmGravity0.05 gSurface temperature77 K (-196°C/-321°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.8%︎ Molybdenum: 0.8%︎ Niobium: 0.9%︎ Germanium: 3.7%︎ Vanadium: 3.1%︎ Zirconium: 1.5%︎ Carbon: 23.7%︎ Iron: 12.7%︎ Nickel: 9.6%︎ Phosphorus: 15.2%︎ Sulphur: 28.2%︎ Ross 340 ABC 4 b - Icy body Landable
Body distance3,773 LsEarth masses0.0011Radius912 kmGravity0.05 gSurface temperature77 K (-196°C/-321°F)Surface pressure0.00 atmVolcanismMajor Water magmaAtmosphereTerraforming︎ Antimony: 0.7%︎ Cadmium: 0.9%︎ Niobium: 0.8%︎ Germanium: 3.5%︎ Manganese: 5.0%︎ Zinc: 3.3%︎ Carbon: 22.7%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.6%︎ Sulphur: 27.0%︎ Ross 340 ABC 4 e - Icy body Landable
Body distance3,775 LsEarth masses0.0008Radius809 kmGravity0.05 gSurface temperature77 K (-196°C/-321°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Antimony: 0.7%︎ Tin: 0.7%︎ Tungsten: 0.7%︎ Chromium: 5.4%︎ Manganese: 4.9%︎ Zinc: 3.3%︎ Carbon: 22.4%︎ Iron: 12.0%︎ Nickel: 9.0%︎ Phosphorus: 14.3%︎ Sulphur: 26.6%︎ Ross 340 EF 2 - High metal content world Landable
Body distance312,142 LsEarth masses0.0924Radius2,898 kmGravity0.45 gSurface temperature237 K (-36°C/-33°F)Surface pressure0.03 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Antimony: 1.0%︎ Cadmium: 1.8%︎ Tungsten: 1.2%︎ Chromium: 10.2%︎ Vanadium: 5.6%︎ Zirconium: 2.6%︎ Carbon: 13.4%︎ Iron: 22.6%︎ Nickel: 17.1%︎ Phosphorus: 8.6%︎ Sulphur: 15.9%︎ Ross 340 EF 2 a - Rocky body Landable
Body distance312,179 LsEarth masses0.0028Radius974 kmGravity0.12 gSurface temperature196 K (-77°C/-107°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.3%︎ Cadmium: 1.5%︎ Molybdenum: 1.2%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Zinc: 5.2%︎ Carbon: 14.4%︎ Iron: 19.1%︎ Nickel: 14.5%︎ Phosphorus: 9.2%︎ Sulphur: 17.1%︎ Ross 340 EF 3 - High metal content world Landable
Body distance312,293 LsEarth masses0.0489Radius2,365 kmGravity0.35 gSurface temperature180 K (-93°C/-136°F)Surface pressure0.00 atmVolcanismAtmosphereThin Sulphur dioxideTerraforming︎ Technetium: 0.9%︎ Cadmium: 1.9%︎ Tin: 1.6%︎ Germanium: 5.0%︎ Vanadium: 5.9%︎ Zirconium: 2.8%︎ Carbon: 14.2%︎ Iron: 23.9%︎ Nickel: 18.0%︎ Phosphorus: 9.1%︎ Sulphur: 16.9%︎ Ross 340 EF 1 - High metal content world
Body distance312,299 LsEarth masses0.0449Radius2,301 kmGravity0.34 gSurface temperature622 K (349°C/660°F)Surface pressure2.99 atmVolcanismAtmosphereHot WaterTerraforming︎ Ross 340 E - Class M star
Body distance312,300 LsSolar masses0.2930Solar radius0.4737︎ Ross 340 F - Class L star (brown dwarf)
Body distance312,318 LsSolar masses0.1211Solar radius0.2589︎ Ross 340 EF 4 - High metal content world Landable
Body distance312,324 LsEarth masses0.0886Radius2,861 kmGravity0.44 gSurface temperature206 K (-68°C/-90°F)Surface pressure0.07 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Ruthenium: 1.5%︎ Mercury: 1.0%︎ Tin: 1.6%︎ Arsenic: 2.2%︎ Germanium: 5.0%︎ Zinc: 6.5%︎ Carbon: 14.2%︎ Iron: 23.9%︎ Nickel: 18.1%︎ Phosphorus: 9.1%︎ Sulphur: 16.9%︎ Ross 340 EF 4 a - Rocky body Landable
Body distance312,301 LsEarth masses0.0020Radius874 kmGravity0.11 gSurface temperature159 K (-115°C/-174°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.1%︎ Cadmium: 1.5%︎ Tungsten: 1.1%︎ Germanium: 5.3%︎ Manganese: 8.2%︎ Zinc: 5.4%︎ Carbon: 15.0%︎ Iron: 19.9%︎ Nickel: 15.1%︎ Phosphorus: 9.6%︎ Sulphur: 17.8%︎ Ross 340 D - Class M star
Body distance314,918 LsSolar masses0.3438Solar radius0.4909︎ Ross 340 D 7 - High metal content world
Body distance314,683 LsEarth masses0.1279Radius3,219 kmGravity0.50 gSurface temperature280 K (7°C/45°F)Surface pressure2.13 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ Ross 340 D 5 - High metal content world Landable
Body distance314,812 LsEarth masses0.0944Radius2,923 kmGravity0.45 gSurface temperature215 K (-58°C/-73°F)Surface pressure0.01 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Ruthenium: 1.4%︎ Cadmium: 1.7%︎ Mercury: 1.0%︎ Chromium: 10.1%︎ Zinc: 6.1%︎ Zirconium: 2.6%︎ Carbon: 13.4%︎ Iron: 22.4%︎ Nickel: 16.9%︎ Phosphorus: 8.5%︎ Sulphur: 15.9%︎ Ross 340 D 2 - High metal content world
Body distance314,846 LsEarth masses0.0488Radius2,364 kmGravity0.35 gSurface temperature666 K (393°C/739°F)Surface pressure3.18 atmVolcanismAtmosphereHot WaterTerraforming︎ Ross 340 D 4 - High metal content world Landable
Body distance314,874 LsEarth masses0.0563Radius2,476 kmGravity0.37 gSurface temperature213 K (-60°C/-76°F)Surface pressure0.00 atmVolcanismAtmosphereThin Sulphur dioxideTerraforming︎ Technetium: 0.8%︎ Niobium: 1.6%︎ Tungsten: 1.3%︎ Arsenic: 2.1%︎ Chromium: 10.2%︎ Vanadium: 5.6%︎ Carbon: 13.6%︎ Iron: 22.8%︎ Nickel: 17.2%︎ Phosphorus: 8.7%︎ Sulphur: 16.1%︎ Ross 340 D 1 - High metal content world Landable
Body distance314,888 LsEarth masses0.1031Radius2,997 kmGravity0.47 gSurface temperature312 K (39°C/101°F)Surface pressure0.00 atmVolcanismAtmosphereThin Sulphur dioxideTerraforming︎ Technetium: 0.8%︎ Cadmium: 1.7%︎ Mercury: 1.0%︎ Germanium: 4.6%︎ Manganese: 9.2%︎ Zinc: 6.1%︎ Carbon: 13.2%︎ Iron: 22.4%︎ Nickel: 16.9%︎ Phosphorus: 8.4%︎ Sulphur: 15.7%︎ Ross 340 D 1 a - Rocky body Landable
Body distance315,022 LsEarth masses0.0056Radius1,229 kmGravity0.15 gSurface temperature311 K (38°C/100°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Selenium: 2.9%︎ Yttrium: 1.2%︎ Cadmium: 1.6%︎ Tungsten: 1.1%︎ Germanium: 5.4%︎ Manganese: 8.4%︎ Carbon: 15.4%︎ Iron: 20.4%︎ Nickel: 15.5%︎ Phosphorus: 9.8%︎ Sulphur: 18.3%︎ Ross 340 D 6 - High metal content world Landable
Body distance314,924 LsEarth masses0.0720Radius2,679 kmGravity0.41 gSurface temperature189 K (-84°C/-120°F)Surface pressure0.01 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Yttrium: 1.2%︎ Cadmium: 1.6%︎ Tin: 1.4%︎ Chromium: 9.4%︎ Manganese: 8.6%︎ Zinc: 5.7%︎ Carbon: 12.5%︎ Iron: 20.9%︎ Nickel: 15.8%︎ Phosphorus: 8.0%︎ Sulphur: 14.8%︎ Ross 340 D 3 - Earth-like world
Body distance314,936 LsEarth masses0.0865Radius2,842 kmGravity0.44 gSurface temperature314 K (41°C/106°F)Surface pressure2.30 atmVolcanismAtmosphereSuitable for water-based lifeTerraformingTerraformed