Star system
61 Ursae Majoris
Economy
Industrial / Extraction
Government
Confederacy
Allegiance
Alliance
Star type
Class G star Scoopable
Coordinates
0.56 / 30.09 / -8.69
Permit required
No
Powerplay
Exploited
Powers
︎ 61 Ursae Majoris A - Class G star
Body distance-Solar masses0.8906Solar radius0.9285︎ 61 Ursae Majoris B - Class M star
Body distance256 LsSolar masses0.3086Solar radius0.5238︎ 61 Ursae Majoris B 2 - High metal content world Landable
Body distance249 LsEarth masses0.1030Radius3,002 kmGravity0.46 gSurface temperature931 K (658°C/1,216°F)Surface pressure0.00 atmVolcanismMinor Silicate vapour geysersAtmosphereTerraforming︎ Tellurium: 1.2%︎ Niobium: 1.5%︎ Tungsten: 1.2%︎ Chromium: 10.0%︎ Germanium: 4.6%︎ Vanadium: 5.5%︎ Carbon: 13.1%︎ Iron: 22.2%︎ Nickel: 16.8%︎ Phosphorus: 8.4%︎ Sulphur: 15.6%︎ 61 Ursae Majoris B 1 - Metal-rich body Landable
Body distance252 LsEarth masses0.1099Radius2,466 kmGravity0.73 gSurface temperature1,022 K (749°C/1,380°F)Surface pressure0.00 atmVolcanismMajor Metallic magmaAtmosphereTerraforming︎ Technetium: 1.2%︎ Cadmium: 2.6%︎ Molybdenum: 2.1%︎ Chromium: 14.8%︎ Manganese: 13.6%︎ Vanadium: 8.1%︎ Iron: 32.9%︎ Nickel: 24.9%︎ 61 Ursae Majoris B 4 - High metal content world Landable
Body distance253 LsEarth masses0.0850Radius2,824 kmGravity0.43 gSurface temperature659 K (386°C/727°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.1%︎ Niobium: 1.6%︎ Tin: 1.6%︎ Arsenic: 2.2%︎ Germanium: 5.0%︎ Vanadium: 5.9%︎ Carbon: 14.2%︎ Iron: 24.1%︎ Nickel: 18.2%︎ Phosphorus: 9.1%︎ Sulphur: 16.9%︎ 61 Ursae Majoris B 3 - High metal content world Landable
Body distance257 LsEarth masses0.2204Radius3,812 kmGravity0.62 gSurface temperature729 K (456°C/853°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.3%︎ Niobium: 1.5%︎ Tin: 1.4%︎ Chromium: 9.6%︎ Germanium: 4.4%︎ Manganese: 8.8%︎ Carbon: 12.5%︎ Iron: 21.4%︎ Nickel: 16.2%︎ Phosphorus: 8.0%︎ Sulphur: 14.9%︎ 61 Ursae Majoris B 3 a - Rocky body Landable
Body distance264 LsEarth masses0.0076Radius1,358 kmGravity0.17 gSurface temperature729 K (456°C/853°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Technetium: 0.7%︎ Cadmium: 1.6%︎ Molybdenum: 1.3%︎ Germanium: 5.2%︎ Manganese: 8.3%︎ Zinc: 5.5%︎ Carbon: 14.9%︎ Iron: 20.1%︎ Nickel: 15.2%︎ Phosphorus: 9.6%︎ Sulphur: 17.8%︎ 61 Ursae Majoris AB 1 - Gas giant with water-based life
Body distance665 LsRing/belt typeRocky (Depleted)Earth masses9.5234Radius19,177 kmGravity1.05 gSurface temperature179 K (-94°C/-137°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 61 Ursae Majoris AB 1 d - Rocky body Landable
Body distance658 LsEarth masses0.0006Radius582 kmGravity0.07 gSurface temperature182 K (-91°C/-132°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Cadmium: 1.5%︎ Molybdenum: 1.2%︎ Germanium: 5.4%︎ Manganese: 7.9%︎ Zinc: 5.2%︎ Carbon: 15.5%︎ Iron: 19.1%︎ Nickel: 14.5%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ 61 Ursae Majoris AB 1 e - Rocky body Landable
Body distance664 LsEarth masses0.0008Radius653 kmGravity0.08 gSurface temperature182 K (-91°C/-132°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.0%︎ Tellurium: 1.4%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Manganese: 8.1%︎ Zinc: 5.3%︎ Carbon: 15.9%︎ Iron: 19.7%︎ Nickel: 14.9%︎ Phosphorus: 10.2%︎ Sulphur: 19.0%︎ 61 Ursae Majoris AB 1 a - Rocky body Landable
Body distance682 LsEarth masses0.0008Radius660 kmGravity0.08 gSurface temperature182 K (-91°C/-132°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Selenium: 3.0%︎ Cadmium: 1.5%︎ Niobium: 1.3%︎ Manganese: 8.1%︎ Zinc: 5.3%︎ Carbon: 15.9%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.2%︎ Sulphur: 19.0%︎ 61 Ursae Majoris AB 1 c - Rocky body Landable
Body distance696 LsEarth masses0.0004Radius523 kmGravity0.06 gSurface temperature182 K (-91°C/-132°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Cadmium: 1.5%︎ Molybdenum: 1.3%︎ Arsenic: 2.5%︎ Chromium: 8.8%︎ Germanium: 5.6%︎ Carbon: 15.9%︎ Iron: 19.5%︎ Nickel: 14.8%︎ Phosphorus: 10.2%︎ Sulphur: 18.9%︎ 61 Ursae Majoris AB 1 f - Rocky body Landable
Body distance727 LsEarth masses0.0003Radius488 kmGravity0.06 gSurface temperature182 K (-91°C/-132°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Molybdenum: 1.2%︎ Niobium: 1.3%︎ Chromium: 8.6%︎ Germanium: 5.4%︎ Vanadium: 4.7%︎ Carbon: 15.5%︎ Iron: 19.1%︎ Nickel: 14.5%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ 61 Ursae Majoris AB 1 b - Rocky body Landable
Body distance748 LsEarth masses0.0006Radius584 kmGravity0.07 gSurface temperature182 K (-91°C/-132°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.4%︎ Tungsten: 1.0%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Zinc: 5.0%︎ Carbon: 15.1%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.6%︎ Sulphur: 17.9%︎ 61 Ursae Majoris AB 2 - Class Y star (brown dwarf)
Body distance1,958 LsSolar masses0.0156Solar radius0.0713︎ 61 Ursae Majoris AB 2 e - Rocky body Landable
Body distance1,892 LsEarth masses0.0048Radius1,180 kmGravity0.14 gSurface temperature171 K (-102°C/-152°F)Surface pressure0.04 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Yttrium: 1.2%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Germanium: 5.5%︎ Manganese: 8.0%︎ Vanadium: 4.7%︎ Carbon: 15.7%︎ Iron: 19.3%︎ Nickel: 14.6%︎ Phosphorus: 10.0%︎ Sulphur: 18.7%︎ 61 Ursae Majoris AB 2 a - Rocky body Landable
Body distance1,894 LsEarth masses0.0039Radius1,098 kmGravity0.13 gSurface temperature167 K (-106°C/-159°F)Surface pressure0.00 atmVolcanismMinor Silicate vapour geysersAtmosphereTerraforming︎ Antimony: 1.2%︎ Selenium: 3.0%︎ Cadmium: 1.6%︎ Molybdenum: 1.3%︎ Germanium: 5.7%︎ Zinc: 5.5%︎ Carbon: 16.3%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.5%︎ Sulphur: 19.4%︎ 61 Ursae Majoris AB 2 b - Rocky body Landable
Body distance1,902 LsEarth masses0.0019Radius872 kmGravity0.10 gSurface temperature160 K (-113°C/-172°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.1%︎ Selenium: 2.9%︎ Cadmium: 1.5%︎ Niobium: 1.3%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.4%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 9.9%︎ Sulphur: 18.3%︎ 61 Ursae Majoris AB 2 d - Rocky body Landable
Body distance1,953 LsEarth masses0.0021Radius903 kmGravity0.11 gSurface temperature174 K (-99°C/-146°F)Surface pressure0.02 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Antimony: 1.2%︎ Selenium: 3.0%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Chromium: 8.8%︎ Germanium: 5.6%︎ Carbon: 15.9%︎ Iron: 19.5%︎ Nickel: 14.7%︎ Phosphorus: 10.2%︎ Sulphur: 18.9%︎ 61 Ursae Majoris AB 2 c - Rocky body Landable
Body distance1,962 LsEarth masses0.0030Radius1,009 kmGravity0.12 gSurface temperature154 K (-120°C/-183°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.3%︎ Molybdenum: 1.4%︎ Tin: 1.3%︎ Arsenic: 2.7%︎ Zinc: 5.7%︎ Zirconium: 2.4%︎ Carbon: 17.1%︎ Iron: 21.0%︎ Nickel: 15.9%︎ Phosphorus: 10.9%︎ Sulphur: 20.3%︎ 61 Ursae Majoris AB 2 f - Rocky body Landable
Body distance1,980 LsEarth masses0.0062Radius1,288 kmGravity0.15 gSurface temperature133 K (-140°C/-220°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Selenium: 3.0%︎ Cadmium: 1.5%︎ Tin: 1.2%︎ Manganese: 8.1%︎ Zinc: 5.3%︎ Carbon: 16.0%︎ Iron: 19.6%︎ Nickel: 14.9%︎ Phosphorus: 10.2%︎ Sulphur: 19.0%︎ 61 Ursae Majoris AB 3 - Gas giant with ammonia-based life
Body distance1,994 LsRing/belt typeMetal rich (Depleted)Earth masses23.1504Radius38,209 kmGravity0.64 gSurface temperature117 K (-156°C/-249°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 61 Ursae Majoris AB 3 b - Rocky body
Body distance1,843 LsEarth masses0.0010Radius692 kmGravity0.08 gSurface temperature119 K (-155°C/-246°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ 61 Ursae Majoris AB 3 c - Rocky body Landable
Body distance1,869 LsEarth masses0.0004Radius526 kmGravity0.06 gSurface temperature118 K (-155°C/-246°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.2%︎ Cadmium: 1.5%︎ Tungsten: 1.1%︎ Germanium: 5.6%︎ Manganese: 8.2%︎ Zirconium: 2.3%︎ Carbon: 16.1%︎ Iron: 19.7%︎ Nickel: 14.9%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ 61 Ursae Majoris AB 3 a - Rocky body Landable
Body distance1,869 LsEarth masses0.0008Radius640 kmGravity0.07 gSurface temperature119 K (-155°C/-246°F)Surface pressure0.00 atmVolcanismMinor Silicate vapour geysersAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Mercury: 0.9%︎ Tin: 1.2%︎ Manganese: 8.3%︎ Vanadium: 4.9%︎ Zirconium: 2.3%︎ Carbon: 16.3%︎ Iron: 20.0%︎ Nickel: 15.1%︎ Phosphorus: 10.4%︎ Sulphur: 19.4%︎ 61 Ursae Majoris AB 3 d - Rocky body Landable
Body distance1,875 LsEarth masses0.0004Radius538 kmGravity0.06 gSurface temperature118 K (-155°C/-247°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.0%︎ Tellurium: 1.4%︎ Molybdenum: 1.3%︎ Tungsten: 1.1%︎ Chromium: 8.8%︎ Vanadium: 4.8%︎ Carbon: 16.0%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.2%︎ Sulphur: 19.0%︎ 61 Ursae Majoris AB 4 - Class Y star (brown dwarf)
Body distance2,439 LsSolar masses0.0117Solar radius0.0622︎ 61 Ursae Majoris AB 4 e - Rocky body Landable
Body distance2,433 LsEarth masses0.0036Radius1,077 kmGravity0.13 gSurface temperature114 K (-160°C/-255°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.1%︎ Niobium: 1.3%︎ Tin: 1.1%︎ Chromium: 8.4%︎ Manganese: 7.7%︎ Vanadium: 4.6%︎ Carbon: 15.2%︎ Iron: 18.7%︎ Nickel: 14.1%︎ Phosphorus: 9.7%︎ Sulphur: 18.1%︎ 61 Ursae Majoris AB 4 b - Rocky body Landable
Body distance2,435 LsEarth masses0.0029Radius999 kmGravity0.12 gSurface temperature129 K (-144°C/-228°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Selenium: 3.0%︎ Cadmium: 1.5%︎ Tin: 1.2%︎ Chromium: 8.8%︎ Germanium: 5.6%︎ Carbon: 15.9%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.2%︎ Sulphur: 18.9%︎ 61 Ursae Majoris AB 4 a - Rocky body
Body distance2,444 LsEarth masses0.0027Radius972 kmGravity0.11 gSurface temperature259 K (-15°C/6°F)Surface pressure2.44 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ 61 Ursae Majoris AB 4 d - Rocky body Landable
Body distance2,494 LsEarth masses0.0058Radius1,258 kmGravity0.15 gSurface temperature116 K (-157°C/-250°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Molybdenum: 1.2%︎ Niobium: 1.3%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.7%︎ Carbon: 15.1%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.6%︎ Sulphur: 17.9%︎ 61 Ursae Majoris AB 4 c - Rocky body Landable
Body distance2,517 LsEarth masses0.0019Radius864 kmGravity0.10 gSurface temperature120 K (-153°C/-244°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Selenium: 3.0%︎ Cadmium: 1.5%︎ Mercury: 0.9%︎ Manganese: 8.1%︎ Zinc: 5.4%︎ Carbon: 16.0%︎ Iron: 19.7%︎ Nickel: 14.9%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ 61 Ursae Majoris AB 5 - Class III gas giant
Body distance3,290 LsRing/belt typeMetal rich (Depleted)
Rocky (Depleted)Earth masses1,808.6300Radius74,052 kmGravity13.41 gSurface temperature436 K (163°C/326°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 61 Ursae Majoris AB 5 e - Icy body Landable
Body distance3,242 LsEarth masses0.0574Radius3,334 kmGravity0.21 gSurface temperature100 K (-174°C/-280°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.3%︎ Molybdenum: 0.8%︎ Tungsten: 0.7%︎ Arsenic: 1.6%︎ Vanadium: 3.2%︎ Zinc: 3.5%︎ Carbon: 23.8%︎ Iron: 12.8%︎ Nickel: 9.7%︎ Phosphorus: 15.2%︎ Sulphur: 28.3%︎ 61 Ursae Majoris AB 5 d - Icy body Landable
Body distance3,256 LsEarth masses0.0566Radius3,319 kmGravity0.21 gSurface temperature105 K (-169°C/-272°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.4%︎ Niobium: 0.8%︎ Tin: 0.7%︎ Chromium: 5.4%︎ Manganese: 5.0%︎ Vanadium: 3.0%︎ Carbon: 22.4%︎ Iron: 12.1%︎ Nickel: 9.1%︎ Phosphorus: 14.3%︎ Sulphur: 26.6%︎ 61 Ursae Majoris AB 5 b - Rocky ice world Landable
Body distance3,263 LsEarth masses0.0099Radius1,677 kmGravity0.14 gSurface temperature116 K (-157°C/-251°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.0%︎ Niobium: 1.1%︎ Tin: 1.0%︎ Arsenic: 2.1%︎ Germanium: 4.7%︎ Manganese: 6.8%︎ Carbon: 19.3%︎ Iron: 16.4%︎ Nickel: 12.4%︎ Phosphorus: 12.3%︎ Sulphur: 22.9%︎ 61 Ursae Majoris AB 5 g - Icy body Landable
Body distance3,265 LsEarth masses0.0589Radius3,361 kmGravity0.21 gSurface temperature97 K (-176°C/-285°F)Surface pressure0.08 atmVolcanismAtmosphereThin ArgonTerraforming︎ Ruthenium: 0.8%︎ Selenium: 4.3%︎ Cadmium: 1.0%︎ Tungsten: 0.7%︎ Arsenic: 1.6%︎ Chromium: 5.5%︎ Carbon: 22.8%︎ Iron: 12.3%︎ Nickel: 9.3%︎ Phosphorus: 14.6%︎ Sulphur: 27.2%︎ 61 Ursae Majoris AB 5 h - Icy body Landable
Body distance3,286 LsEarth masses0.0733Radius3,607 kmGravity0.23 gSurface temperature91 K (-182°C/-296°F)Surface pressure0.03 atmVolcanismAtmosphereThin ArgonTerraforming︎ Antimony: 0.8%︎ Niobium: 0.9%︎ Tin: 0.7%︎ Arsenic: 1.6%︎ Manganese: 5.2%︎ Zinc: 3.4%︎ Carbon: 23.2%︎ Iron: 12.5%︎ Nickel: 9.5%︎ Phosphorus: 14.8%︎ Sulphur: 27.6%︎ 61 Ursae Majoris AB 5 c - Rocky ice world Landable
Body distance3,291 LsEarth masses0.0090Radius1,623 kmGravity0.14 gSurface temperature109 K (-164°C/-263°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.6%︎ Cadmium: 1.3%︎ Mercury: 0.7%︎ Arsenic: 2.1%︎ Chromium: 7.4%︎ Vanadium: 4.1%︎ Carbon: 19.4%︎ Iron: 16.5%︎ Nickel: 12.5%︎ Phosphorus: 12.4%︎ Sulphur: 23.1%︎ 61 Ursae Majoris AB 5 f - Icy body
Body distance3,348 LsEarth masses0.1101Radius4,110 kmGravity0.27 gSurface temperature100 K (-173°C/-280°F)Surface pressure2.05 atmVolcanismMinor Methane magmaAtmosphereArgon-richTerraforming︎ 61 Ursae Majoris AB 5 a - Rocky ice world Landable
Body distance3,366 LsEarth masses0.0063Radius1,444 kmGravity0.12 gSurface temperature126 K (-147°C/-233°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.2%︎ Mercury: 0.7%︎ Tungsten: 0.9%︎ Manganese: 6.9%︎ Vanadium: 4.1%︎ Zirconium: 1.9%︎ Carbon: 19.5%︎ Iron: 16.6%︎ Nickel: 12.5%︎ Phosphorus: 12.5%︎ Sulphur: 23.2%