Star system
HR 4749
Economy
Agriculture / Industrial
Government
Communism
Allegiance
Independent
Star type
Class K star (orange giant) Scoopable
Coordinates
118.81 / 14.63 / 69.03
Permit required
No
︎ HR 4749 A - Class K star (orange giant)
Body distance-Solar masses0.6445Solar radius4.1742︎ HR 4749 A 1 - High metal content world
Body distance391 LsEarth masses0.7842Radius5,633 kmGravity1.00 gSurface temperature915 K (642°C/1,187°F)Surface pressure7.39 atmVolcanismAtmosphereHot Thick Carbon dioxideTerraforming︎ HR 4749 A 1 a - Rocky body Landable
Body distance391 LsEarth masses0.0737Radius2,843 kmGravity0.37 gSurface temperature442 K (169°C/336°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.1%︎ Cadmium: 1.5%︎ Tungsten: 1.1%︎ Germanium: 5.3%︎ Manganese: 8.2%︎ Vanadium: 4.9%︎ Carbon: 15.1%︎ Iron: 20.0%︎ Nickel: 15.1%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ HR 4749 A 2 - High metal content world
Body distance548 LsEarth masses0.6629Radius5,381 kmGravity0.93 gSurface temperature1,006 K (733°C/1,351°F)Surface pressure53.99 atmVolcanismAtmosphereHot Thick Carbon dioxideTerraforming︎ HR 4749 A 3 - High metal content world
Body distance955 LsEarth masses0.9012Radius5,903 kmGravity1.05 gSurface temperature878 K (605°C/1,121°F)Surface pressure152.56 atmVolcanismAtmosphereHot Thick Carbon dioxideTerraforming︎ HR 4749 A 4 - Earth-like world
Body distance1,242 LsEarth masses0.2905Radius4,174 kmGravity0.68 gSurface temperature291 K (18°C/65°F)Surface pressure0.50 atmVolcanismAtmosphereSuitable for water-based lifeTerraforming︎ HR 4749 A 5 - Water world
Body distance1,701 LsEarth masses0.4543Radius4,794 kmGravity0.80 gSurface temperature262 K (-12°C/11°F)Surface pressure0.93 atmVolcanismAtmosphereNitrogenTerraformingTerraformable︎ HR 4749 A 6 - Water world
Body distance2,018 LsEarth masses0.4881Radius4,901 kmGravity0.83 gSurface temperature260 K (-14°C/8°F)Surface pressure2.39 atmVolcanismAtmosphereNitrogenTerraformingTerraforming︎ HR 4749 A 7 - High metal content world
Body distance3,038 LsEarth masses1.4617Radius6,812 kmGravity1.28 gSurface temperature233 K (-40°C/-40°F)Surface pressure1.80 atmVolcanismMajor Rocky magmaAtmosphereCarbon dioxide-richTerraforming︎ HR 4749 B - Class M star
Body distance41,504 LsSolar masses0.4258Solar radius0.6153︎ HR 4749 B 4 - Class I gas giant
Body distance40,507 LsRing/belt typeIcy (Major)
Metal rich (Major)Earth masses146.8280Radius62,097 kmGravity1.55 gSurface temperature136 K (-138°C/-216°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 4749 B 4 c - Icy body Landable
Body distance40,504 LsEarth masses0.0034Radius1,329 kmGravity0.08 gSurface temperature111 K (-162°C/-260°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.3%︎ Technetium: 0.4%︎ Cadmium: 0.9%︎ Tungsten: 0.6%︎ Germanium: 3.4%︎ Manganese: 4.9%︎ Carbon: 22.9%︎ Iron: 11.8%︎ Nickel: 8.9%︎ Phosphorus: 14.6%︎ Sulphur: 27.2%︎ HR 4749 B 4 a - Icy body Landable
Body distance40,508 LsEarth masses0.0010Radius888 kmGravity0.05 gSurface temperature113 K (-160°C/-257°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Technetium: 0.4%︎ Mercury: 0.5%︎ Tungsten: 0.7%︎ Arsenic: 1.6%︎ Chromium: 5.6%︎ Zirconium: 1.4%︎ Carbon: 24.0%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 15.4%︎ Sulphur: 28.5%︎ HR 4749 B 4 b - Icy body Landable
Body distance42,478 LsEarth masses0.0009Radius862 kmGravity0.05 gSurface temperature112 K (-161°C/-258°F)Surface pressure0.00 atmVolcanismCarbon dioxide geysersAtmosphereTerraforming︎ Antimony: 0.8%︎ Niobium: 0.9%︎ Tin: 0.8%︎ Arsenic: 1.6%︎ Germanium: 3.6%︎ Zirconium: 1.5%︎ Carbon: 24.3%︎ Iron: 12.6%︎ Nickel: 9.5%︎ Phosphorus: 15.6%︎ Sulphur: 28.9%︎ HR 4749 B 4 d - Icy body Landable
Body distance42,483 LsEarth masses0.0029Radius1,264 kmGravity0.07 gSurface temperature111 K (-163°C/-261°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 0.7%︎ Molybdenum: 0.8%︎ Niobium: 0.8%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Zinc: 3.2%︎ Carbon: 22.5%︎ Iron: 11.8%︎ Nickel: 8.9%︎ Phosphorus: 14.4%︎ Sulphur: 26.8%︎ HR 4749 B 4 e - Icy body Landable
Body distance42,486 LsEarth masses0.0013Radius957 kmGravity0.06 gSurface temperature110 K (-163°C/-261°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 0.7%︎ Molybdenum: 0.8%︎ Tin: 0.7%︎ Germanium: 3.5%︎ Manganese: 4.9%︎ Zinc: 3.2%︎ Carbon: 23.0%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.8%︎ Sulphur: 27.4%︎ HR 4749 B 5 - Icy body
Body distance40,609 LsRing/belt typeIcy (Major)Earth masses1.6540Radius10,055 kmGravity0.66 gSurface temperature396 K (123°C/253°F)Surface pressure2,472.60 atmVolcanismCarbon dioxide geysersAtmosphereThick Methane-richTerraforming︎ HR 4749 B 1 - Gas giant with water-based life
Body distance41,685 LsRing/belt typeRocky (Major)Earth masses549.6670Radius75,917 kmGravity3.88 gSurface temperature230 K (-43°C/-45°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 4749 B 1 e - Icy body
Body distance40,887 LsEarth masses0.0017Radius1,036 kmGravity0.06 gSurface temperature486 K (212°C/414°F)Surface pressure202.35 atmVolcanismCarbon dioxide geysersAtmosphereThick Carbon dioxideTerraforming︎ HR 4749 B 1 d - Icy body
Body distance41,688 LsEarth masses0.0021Radius1,114 kmGravity0.07 gSurface temperature494 K (221°C/430°F)Surface pressure230.24 atmVolcanismCarbon dioxide geysersAtmosphereThick Carbon dioxideTerraforming︎ HR 4749 B 1 b - Rocky body Landable
Body distance41,820 LsEarth masses0.0003Radius492 kmGravity0.06 gSurface temperature174 K (-99°C/-146°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Cadmium: 1.5%︎ Molybdenum: 1.2%︎ Chromium: 8.5%︎ Germanium: 5.5%︎ Vanadium: 4.6%︎ Carbon: 15.7%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ HR 4749 B 1 f - Icy body
Body distance41,856 LsEarth masses0.0024Radius1,164 kmGravity0.07 gSurface temperature267 K (-6°C/21°F)Surface pressure2.55 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ HR 4749 B 1 a - Rocky body Landable
Body distance41,945 LsEarth masses0.0002Radius423 kmGravity0.05 gSurface temperature178 K (-95°C/-139°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Tellurium: 1.4%︎ Molybdenum: 1.2%︎ Niobium: 1.3%︎ Chromium: 8.5%︎ Germanium: 5.5%︎ Vanadium: 4.6%︎ Carbon: 15.6%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ HR 4749 B 1 c - Icy body Landable
Body distance41,948 LsEarth masses0.0029Radius1,211 kmGravity0.08 gSurface temperature150 K (-123°C/-190°F)Surface pressure0.00 atmVolcanismMinor Carbon dioxide geysersAtmosphereTerraforming︎ Antimony: 0.8%︎ Cadmium: 1.0%︎ Tungsten: 0.7%︎ Chromium: 5.9%︎ Germanium: 3.8%︎ Manganese: 5.4%︎ Carbon: 20.9%︎ Iron: 13.1%︎ Nickel: 9.9%︎ Phosphorus: 13.4%︎ Sulphur: 24.9%︎ HR 4749 B 6 - Class I gas giant
Body distance41,715 LsEarth masses94.7083Radius53,051 kmGravity1.37 gSurface temperature118 K (-155°C/-247°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 4749 B 6 b - Icy body Landable
Body distance41,886 LsEarth masses0.0017Radius1,051 kmGravity0.06 gSurface temperature100 K (-173°C/-280°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Selenium: 4.2%︎ Niobium: 0.8%︎ Tin: 0.7%︎ Chromium: 5.4%︎ Zinc: 3.3%︎ Carbon: 22.6%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.5%︎ Sulphur: 26.8%︎ HR 4749 B 6 c - Icy body Landable
Body distance41,993 LsEarth masses0.0020Radius1,120 kmGravity0.07 gSurface temperature100 K (-173°C/-280°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.7%︎ Selenium: 4.2%︎ Cadmium: 0.9%︎ Molybdenum: 0.8%︎ Germanium: 3.5%︎ Manganese: 4.9%︎ Carbon: 22.6%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.5%︎ Sulphur: 26.9%︎ HR 4749 B 6 a - Icy body Landable
Body distance41,999 LsEarth masses0.0053Radius1,528 kmGravity0.09 gSurface temperature100 K (-173°C/-280°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.3%︎ Selenium: 4.2%︎ Molybdenum: 0.8%︎ Niobium: 0.8%︎ Germanium: 3.5%︎ Manganese: 5.0%︎ Carbon: 22.7%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.5%︎ Sulphur: 27.0%︎ HR 4749 B 6 d - Icy body Landable
Body distance42,555 LsEarth masses0.0035Radius1,336 kmGravity0.08 gSurface temperature99 K (-174°C/-281°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Selenium: 4.2%︎ Molybdenum: 0.8%︎ Niobium: 0.8%︎ Chromium: 5.4%︎ Zinc: 3.2%︎ Carbon: 22.6%︎ Iron: 12.0%︎ Nickel: 9.0%︎ Phosphorus: 14.4%︎ Sulphur: 26.8%︎ HR 4749 B 3 - Gas giant with water-based life
Body distance41,919 LsEarth masses448.4800Radius75,158 kmGravity3.23 gSurface temperature191 K (-82°C/-115°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 4749 B 3 b - Icy body Landable
Body distance41,560 LsEarth masses0.0098Radius1,856 kmGravity0.12 gSurface temperature125 K (-148°C/-234°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.8%︎ Selenium: 4.1%︎ Niobium: 0.9%︎ Tin: 0.8%︎ Manganese: 5.2%︎ Zinc: 3.4%︎ Carbon: 22.2%︎ Iron: 12.6%︎ Nickel: 9.5%︎ Phosphorus: 14.2%︎ Sulphur: 26.4%︎ HR 4749 B 3 a a - Icy body Landable
Body distance41,568 LsEarth masses0.0003Radius598 kmGravity0.03 gSurface temperature127 K (-146°C/-231°F)Surface pressure0.00 atmVolcanismWater geysersAtmosphereTerraforming︎ Antimony: 0.7%︎ Selenium: 4.6%︎ Mercury: 0.4%︎ Molybdenum: 0.6%︎ Chromium: 4.3%︎ Germanium: 3.2%︎ Carbon: 24.5%︎ Iron: 9.6%︎ Nickel: 7.3%︎ Phosphorus: 15.7%︎ Sulphur: 29.2%︎ HR 4749 B 3 e a - Icy body Landable
Body distance41,701 LsEarth masses0.0005Radius738 kmGravity0.04 gSurface temperature121 K (-152°C/-241°F)Surface pressure0.00 atmVolcanismMajor Water magmaAtmosphereTerraforming︎ Selenium: 4.7%︎ Tellurium: 0.8%︎ Mercury: 0.4%︎ Tin: 0.5%︎ Germanium: 3.3%︎ Vanadium: 2.4%︎ Carbon: 25.0%︎ Iron: 9.8%︎ Nickel: 7.4%︎ Phosphorus: 16.0%︎ Sulphur: 29.7%︎ HR 4749 B 3 a - Icy body Landable
Body distance41,922 LsEarth masses0.0109Radius1,918 kmGravity0.12 gSurface temperature127 K (-146°C/-231°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.8%︎ Cadmium: 1.0%︎ Niobium: 0.9%︎ Chromium: 5.7%︎ Vanadium: 3.1%︎ Zinc: 3.4%︎ Carbon: 22.2%︎ Iron: 12.7%︎ Nickel: 9.6%︎ Phosphorus: 14.2%︎ Sulphur: 26.4%︎ HR 4749 B 3 d - Icy body Landable
Body distance42,255 LsEarth masses0.0129Radius2,028 kmGravity0.13 gSurface temperature123 K (-150°C/-238°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.3%︎ Mercury: 0.5%︎ Molybdenum: 0.8%︎ Chromium: 5.6%︎ Manganese: 5.2%︎ Zinc: 3.4%︎ Carbon: 22.0%︎ Iron: 12.5%︎ Nickel: 9.4%︎ Phosphorus: 14.1%︎ Sulphur: 26.1%︎ HR 4749 B 3 c - Icy body Landable
Body distance42,261 LsEarth masses0.0095Radius1,833 kmGravity0.11 gSurface temperature124 K (-149°C/-236°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.3%︎ Technetium: 0.5%︎ Mercury: 0.6%︎ Tungsten: 0.7%︎ Germanium: 3.8%︎ Zirconium: 1.5%︎ Carbon: 23.1%︎ Iron: 13.1%︎ Nickel: 9.9%︎ Phosphorus: 14.8%︎ Sulphur: 27.5%︎ HR 4749 B 3 e - Icy body Landable
Body distance42,272 LsEarth masses0.0290Radius2,641 kmGravity0.17 gSurface temperature121 K (-152°C/-241°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 0.8%︎ Tin: 0.8%︎ Tungsten: 0.7%︎ Chromium: 5.7%︎ Vanadium: 3.1%︎ Zinc: 3.5%︎ Carbon: 22.3%︎ Iron: 12.7%︎ Nickel: 9.6%︎ Phosphorus: 14.3%︎ Sulphur: 26.5%︎ HR 4749 B 2 - Gas giant with water-based life
Body distance42,066 LsRing/belt typeMetallic (Major)
Metal rich (Major)Earth masses4.1235Radius22,058 kmGravity0.34 gSurface temperature155 K (-118°C/-181°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 4749 B 2 a - Icy body
Body distance41,655 LsEarth masses0.0005Radius687 kmGravity0.04 gSurface temperature405 K (132°C/270°F)Surface pressure76.68 atmVolcanismMinor Carbon dioxide geysersAtmosphereThick Carbon dioxideTerraforming︎ HR 4749 B 2 b - Icy body
Body distance41,656 LsEarth masses0.0005Radius703 kmGravity0.04 gSurface temperature229 K (-44°C/-47°F)Surface pressure0.83 atmVolcanismAtmosphereCarbon dioxideTerraforming