Star system
40 Leonis
Economy
Refinery / Industrial
Government
Corporate
Allegiance
Federation
Star type
Class F star Scoopable
Coordinates
24.56 / 57.06 / -31.56
Permit required
No
︎ 40 Leonis - Class F star
Body distance-Solar masses1.3984Solar radius1.2995︎ 40 Leonis 2 - Class III gas giant
Body distance1,278 LsRing/belt typeRocky (Common)Earth masses1,992.1100Radius72,867 kmGravity15.25 gSurface temperature634 K (361°C/682°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 40 Leonis 2 a - Rocky body Landable
Body distance1,285 LsEarth masses0.0182Radius1,830 kmGravity0.22 gSurface temperature340 K (67°C/153°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Selenium: 3.1%︎ Technetium: 0.7%︎ Cadmium: 1.6%︎ Niobium: 1.4%︎ Manganese: 8.3%︎ Zirconium: 2.3%︎ Carbon: 16.6%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.7%︎ Sulphur: 19.8%︎ 40 Leonis 2 c - Rocky body Landable
Body distance1,288 LsEarth masses0.0058Radius1,258 kmGravity0.15 gSurface temperature297 K (24°C/74°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Technetium: 0.7%︎ Tin: 1.2%︎ Tungsten: 1.1%︎ Arsenic: 2.5%︎ Chromium: 8.8%︎ Zinc: 5.3%︎ Carbon: 16.2%︎ Iron: 19.6%︎ Nickel: 14.9%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%︎ 40 Leonis 2 b - Rocky body Landable
Body distance1,290 LsEarth masses0.0080Radius1,396 kmGravity0.17 gSurface temperature297 K (24°C/74°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Polonium: 0.5%︎ Selenium: 3.2%︎ Cadmium: 1.6%︎ Molybdenum: 1.4%︎ Germanium: 6.0%︎ Zirconium: 2.4%︎ Carbon: 17.1%︎ Iron: 20.8%︎ Nickel: 15.7%︎ Phosphorus: 11.0%︎ Sulphur: 20.4%︎ 40 Leonis 2 d - Rocky body Landable
Body distance1,298 LsEarth masses0.0083Radius1,416 kmGravity0.17 gSurface temperature289 K (16°C/61°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.0%︎ Technetium: 0.7%︎ Cadmium: 1.5%︎ Mercury: 0.8%︎ Chromium: 8.8%︎ Germanium: 5.6%︎ Carbon: 16.0%︎ Iron: 19.5%︎ Nickel: 14.7%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ 40 Leonis 1 - Class III gas giant
Body distance1,296 LsRing/belt typeRocky (Common)Earth masses2,105.4600Radius72,076 kmGravity16.47 gSurface temperature662 K (389°C/732°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 40 Leonis 1 a - Rocky body Landable
Body distance1,313 LsEarth masses0.0107Radius1,539 kmGravity0.18 gSurface temperature341 K (68°C/155°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Selenium: 3.1%︎ Tellurium: 1.5%︎ Molybdenum: 1.3%︎ Niobium: 1.4%︎ Vanadium: 4.9%︎ Zinc: 5.5%︎ Carbon: 16.6%︎ Iron: 20.1%︎ Nickel: 15.2%︎ Phosphorus: 10.6%︎ Sulphur: 19.7%︎ 40 Leonis 1 c - Rocky body Landable
Body distance1,320 LsEarth masses0.0329Radius2,219 kmGravity0.27 gSurface temperature295 K (22°C/71°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Mercury: 0.9%︎ Molybdenum: 1.3%︎ Germanium: 5.7%︎ Vanadium: 4.9%︎ Zinc: 5.4%︎ Carbon: 16.4%︎ Iron: 19.9%︎ Nickel: 15.0%︎ Phosphorus: 10.5%︎ Sulphur: 19.5%︎ 40 Leonis 1 b - Rocky body Landable
Body distance1,333 LsEarth masses0.0162Radius1,762 kmGravity0.21 gSurface temperature313 K (40°C/104°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.5%︎ Cadmium: 1.5%︎ Molybdenum: 1.3%︎ Arsenic: 2.5%︎ Manganese: 8.1%︎ Zinc: 5.3%︎ Carbon: 16.1%︎ Iron: 19.5%︎ Nickel: 14.8%︎ Phosphorus: 10.3%︎ Sulphur: 19.2%︎ 40 Leonis 3 a - Gas giant with water-based life
Body distance1,884 LsRing/belt typeMetal rich (Common)Earth masses60.7541Radius54,890 kmGravity0.82 gSurface temperature201 K (-72°C/-98°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 40 Leonis 5 - High metal content world
Body distance2,229 LsEarth masses11.9287Radius11,997 kmGravity3.37 gSurface temperature237 K (-36°C/-33°F)Surface pressure17.00 atmVolcanismMajor Silicate vapour geysersAtmosphereThick NitrogenTerraforming︎ 40 Leonis 4 g - Rocky body Landable
Body distance2,371 LsEarth masses0.0355Radius2,273 kmGravity0.28 gSurface temperature163 K (-110°C/-167°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.5%︎ Cadmium: 1.5%︎ Molybdenum: 1.3%︎ Chromium: 8.7%︎ Zinc: 5.3%︎ Zirconium: 2.3%︎ Carbon: 16.0%︎ Iron: 19.4%︎ Nickel: 14.7%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ 40 Leonis 4 f - Rocky body Landable
Body distance2,386 LsEarth masses0.0418Radius2,398 kmGravity0.30 gSurface temperature163 K (-110°C/-166°F)Surface pressure0.00 atmVolcanismAtmosphereThin Sulphur dioxideTerraforming︎ Yttrium: 1.1%︎ Cadmium: 1.4%︎ Niobium: 1.3%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Zinc: 5.0%︎ Carbon: 15.2%︎ Iron: 18.4%︎ Nickel: 13.9%︎ Phosphorus: 9.7%︎ Sulphur: 18.1%︎ 40 Leonis 4 c - Rocky body Landable
Body distance2,388 LsEarth masses0.0208Radius1,909 kmGravity0.23 gSurface temperature164 K (-109°C/-164°F)Surface pressure0.00 atmVolcanismAtmosphereThin AmmoniaTerraforming︎ Antimony: 1.1%︎ Cadmium: 1.5%︎ Niobium: 1.3%︎ Chromium: 8.5%︎ Germanium: 5.4%︎ Zinc: 5.1%︎ Carbon: 15.5%︎ Iron: 18.8%︎ Nickel: 14.3%︎ Phosphorus: 9.9%︎ Sulphur: 18.5%︎ 40 Leonis 4 b - Rocky body Landable
Body distance2,397 LsEarth masses0.0647Radius2,757 kmGravity0.35 gSurface temperature163 K (-110°C/-167°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Niobium: 1.3%︎ Tin: 1.1%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Zinc: 5.0%︎ Carbon: 15.1%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ 40 Leonis 4 b a - Rocky body Landable
Body distance2,397 LsEarth masses0.0035Radius1,084 kmGravity0.12 gSurface temperature163 K (-110°C/-167°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Cadmium: 1.4%︎ Niobium: 1.3%︎ Arsenic: 2.8%︎ Chromium: 8.4%︎ Zirconium: 2.2%︎ Carbon: 17.7%︎ Iron: 18.6%︎ Nickel: 14.1%︎ Phosphorus: 11.3%︎ Sulphur: 21.1%︎ 40 Leonis 4 a - Rocky body
Body distance2,398 LsEarth masses0.0424Radius2,408 kmGravity0.30 gSurface temperature165 K (-108°C/-162°F)Surface pressure0.08 atmVolcanismMajor Rocky magmaAtmosphereThin Sulphur dioxideTerraforming︎ 40 Leonis 4 d - Rocky body Landable
Body distance2,401 LsEarth masses0.0382Radius2,326 kmGravity0.29 gSurface temperature163 K (-110°C/-167°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.1%︎ Cadmium: 1.5%︎ Molybdenum: 1.2%︎ Chromium: 8.5%︎ Germanium: 5.4%︎ Zinc: 5.1%︎ Carbon: 15.5%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 9.9%︎ Sulphur: 18.4%︎ 40 Leonis 4 d a - Rocky body Landable
Body distance2,402 LsEarth masses0.0017Radius850 kmGravity0.09 gSurface temperature163 K (-110°C/-167°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Tellurium: 1.6%︎ Cadmium: 1.4%︎ Mercury: 0.8%︎ Chromium: 8.1%︎ Germanium: 6.0%︎ Zirconium: 2.1%︎ Carbon: 17.1%︎ Iron: 18.0%︎ Nickel: 13.6%︎ Phosphorus: 11.0%︎ Sulphur: 20.4%︎ 40 Leonis 4 e - Rocky body Landable
Body distance2,402 LsEarth masses0.0624Radius2,725 kmGravity0.34 gSurface temperature163 K (-110°C/-166°F)Surface pressure0.00 atmVolcanismAtmosphereThin Sulphur dioxideTerraforming︎ Polonium: 0.5%︎ Molybdenum: 1.3%︎ Tungsten: 1.1%︎ Germanium: 5.7%︎ Manganese: 8.2%︎ Zirconium: 2.3%︎ Carbon: 16.3%︎ Iron: 19.9%︎ Nickel: 15.0%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%︎ 40 Leonis 6 e - Rocky body
Body distance3,170 LsEarth masses0.0271Radius2,082 kmGravity0.25 gSurface temperature203 K (-71°C/-95°F)Surface pressure0.12 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ 40 Leonis 6 g - Rocky body
Body distance3,229 LsEarth masses0.0470Radius2,490 kmGravity0.31 gSurface temperature208 K (-65°C/-85°F)Surface pressure0.18 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ 40 Leonis 6 c - Rocky body Landable
Body distance3,246 LsEarth masses0.0591Radius2,681 kmGravity0.33 gSurface temperature155 K (-118°C/-180°F)Surface pressure0.00 atmVolcanismAtmosphereThin Sulphur dioxideTerraforming︎ Ruthenium: 1.2%︎ Mercury: 0.9%︎ Tin: 1.2%︎ Chromium: 8.8%︎ Zinc: 5.3%︎ Zirconium: 2.3%︎ Carbon: 16.2%︎ Iron: 19.6%︎ Nickel: 14.9%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%︎ 40 Leonis 6 a - Rocky body Landable
Body distance3,255 LsEarth masses0.0151Radius1,722 kmGravity0.21 gSurface temperature162 K (-111°C/-167°F)Surface pressure0.00 atmVolcanismAtmosphereThin AmmoniaTerraforming︎ Antimony: 1.1%︎ Molybdenum: 1.2%︎ Tungsten: 1.0%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.2%︎ Iron: 18.4%︎ Nickel: 13.9%︎ Phosphorus: 9.7%︎ Sulphur: 18.1%︎ 40 Leonis 6 b - Rocky body Landable
Body distance3,265 LsEarth masses0.0156Radius1,741 kmGravity0.21 gSurface temperature158 K (-116°C/-176°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Molybdenum: 1.3%︎ Niobium: 1.4%︎ Arsenic: 2.6%︎ Vanadium: 5.0%︎ Zinc: 5.5%︎ Carbon: 16.7%︎ Iron: 20.3%︎ Nickel: 15.3%︎ Phosphorus: 10.7%︎ Sulphur: 19.9%︎ 40 Leonis 6 d - Rocky body Landable
Body distance3,285 LsEarth masses0.0507Radius2,549 kmGravity0.32 gSurface temperature151 K (-122°C/-188°F)Surface pressure0.00 atmVolcanismAtmosphereThin Sulphur dioxideTerraforming︎ Yttrium: 1.1%︎ Niobium: 1.3%︎ Tin: 1.1%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.1%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ 40 Leonis 6 d a - Rocky body Landable
Body distance3,195 LsEarth masses0.0028Radius1,006 kmGravity0.11 gSurface temperature151 K (-122°C/-188°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.5%︎ Niobium: 1.2%︎ Tin: 0.9%︎ Arsenic: 2.6%︎ Chromium: 7.9%︎ Manganese: 7.3%︎ Carbon: 16.8%︎ Iron: 17.6%︎ Nickel: 13.3%︎ Phosphorus: 10.7%︎ Sulphur: 20.0%︎ 40 Leonis 6 f - Rocky body
Body distance3,338 LsEarth masses0.0187Radius1,846 kmGravity0.22 gSurface temperature198 K (-75°C/-103°F)Surface pressure0.09 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ 40 Leonis 6 h - Rocky body
Body distance3,404 LsEarth masses0.0568Radius2,647 kmGravity0.33 gSurface temperature209 K (-64°C/-84°F)Surface pressure0.20 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ 40 Leonis 3 - Class Y star (brown dwarf)
Body distance1,934 LsSolar masses0.0195Solar radius0.0892︎ 40 Leonis 4 - Class Y star (brown dwarf)
Body distance2,393 LsSolar masses0.0117Solar radius0.0641︎ 40 Leonis 6 - Class Y star (brown dwarf)
Body distance3,254 LsSolar masses0.0117Solar radius0.0621