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
Powerplay
Exploited
Powers

  • ︎ HR 4749 A - Class K star (orange giant)

    Body distance
    -

    Solar masses
    0.6445
    Solar radius
    4.1742

    • ︎ HR 4749 A 1 - High metal content world

      Body distance
      391 Ls

      Earth masses
      0.7842
      Radius
      5,633 km
      Gravity
      1.00 g
      Surface temperature
      915 K (642°C/1,187°F)
      Surface pressure
      7.39 atm
      Volcanism
      Atmosphere
      Hot Thick Carbon dioxide
      Terraforming

      • ︎ HR 4749 A 1 a - Rocky body Landable

        Body distance
        392 Ls

        Earth masses
        0.0737
        Radius
        2,843 km
        Gravity
        0.37 g
        Surface temperature
        442 K (169°C/336°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ 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 distance
      549 Ls

      Earth masses
      0.6629
      Radius
      5,381 km
      Gravity
      0.93 g
      Surface temperature
      1,006 K (733°C/1,351°F)
      Surface pressure
      53.99 atm
      Volcanism
      Atmosphere
      Hot Thick Carbon dioxide
      Terraforming

    • ︎ HR 4749 A 3 - High metal content world

      Body distance
      953 Ls

      Earth masses
      0.9012
      Radius
      5,903 km
      Gravity
      1.05 g
      Surface temperature
      878 K (605°C/1,121°F)
      Surface pressure
      152.56 atm
      Volcanism
      Atmosphere
      Hot Thick Carbon dioxide
      Terraforming

    • ︎ HR 4749 A 4 - Earth-like world

      Body distance
      1,242 Ls

      Earth masses
      0.2905
      Radius
      4,174 km
      Gravity
      0.68 g
      Surface temperature
      291 K (18°C/65°F)
      Surface pressure
      0.50 atm
      Volcanism
      Atmosphere
      Suitable for water-based life
      Terraforming

    • ︎ HR 4749 A 5 - Water world

      Body distance
      1,701 Ls

      Earth masses
      0.4543
      Radius
      4,794 km
      Gravity
      0.80 g
      Surface temperature
      262 K (-12°C/11°F)
      Surface pressure
      0.93 atm
      Volcanism
      Atmosphere
      Nitrogen
      Terraforming
      Terraformable

    • ︎ HR 4749 A 6 - Water world

      Body distance
      2,019 Ls

      Earth masses
      0.4881
      Radius
      4,901 km
      Gravity
      0.83 g
      Surface temperature
      260 K (-14°C/8°F)
      Surface pressure
      2.39 atm
      Volcanism
      Atmosphere
      Nitrogen
      Terraforming
      Terraforming

    • ︎ HR 4749 A 7 - High metal content world

      Body distance
      3,038 Ls

      Earth masses
      1.4617
      Radius
      6,812 km
      Gravity
      1.28 g
      Surface temperature
      233 K (-40°C/-40°F)
      Surface pressure
      1.80 atm
      Volcanism
      Major Rocky magma
      Atmosphere
      Carbon dioxide-rich
      Terraforming

  • ︎ HR 4749 B - Class M star

    Body distance
    41,440 Ls

    Solar masses
    0.4258
    Solar radius
    0.6153

    • ︎ HR 4749 B 6 - Class I gas giant

      Body distance
      40,463 Ls

      Earth masses
      94.7083
      Radius
      53,051 km
      Gravity
      1.37 g
      Surface temperature
      118 K (-155°C/-247°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      • ︎ HR 4749 B 6 c - Icy body Landable

        Body distance
        40,683 Ls

        Earth masses
        0.0020
        Radius
        1,120 km
        Gravity
        0.07 g
        Surface temperature
        100 K (-173°C/-280°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ 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 b - Icy body Landable

        Body distance
        40,683 Ls

        Earth masses
        0.0017
        Radius
        1,051 km
        Gravity
        0.06 g
        Surface temperature
        100 K (-173°C/-280°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ 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 d - Icy body Landable

        Body distance
        40,683 Ls

        Earth masses
        0.0035
        Radius
        1,336 km
        Gravity
        0.08 g
        Surface temperature
        99 K (-174°C/-281°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ 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 6 a - Icy body Landable

        Body distance
        40,707 Ls

        Earth masses
        0.0053
        Radius
        1,528 km
        Gravity
        0.09 g
        Surface temperature
        100 K (-173°C/-280°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ 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 2 - Gas giant with water-based life

      Body distance
      41,275 Ls
      Ring/belt type
      Metallic (Major)
      Metal rich (Major)

      Earth masses
      4.1235
      Radius
      22,058 km
      Gravity
      0.34 g
      Surface temperature
      155 K (-118°C/-181°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      • ︎ HR 4749 B 2 a - Icy body

        Body distance
        41,275 Ls

        Earth masses
        0.0005
        Radius
        687 km
        Gravity
        0.04 g
        Surface temperature
        405 K (132°C/270°F)
        Surface pressure
        76.68 atm
        Volcanism
        Minor Carbon dioxide geysers
        Atmosphere
        Thick Carbon dioxide
        Terraforming

      • ︎ HR 4749 B 2 b - Icy body

        Body distance
        41,303 Ls

        Earth masses
        0.0005
        Radius
        703 km
        Gravity
        0.04 g
        Surface temperature
        229 K (-44°C/-47°F)
        Surface pressure
        0.83 atm
        Volcanism
        Atmosphere
        Carbon dioxide
        Terraforming

    • ︎ HR 4749 B 1 - Gas giant with water-based life

      Body distance
      41,672 Ls
      Ring/belt type
      Rocky (Major)

      Earth masses
      549.6670
      Radius
      75,917 km
      Gravity
      3.88 g
      Surface temperature
      230 K (-43°C/-45°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      • ︎ HR 4749 B 1 d - Icy body

        Body distance
        41,245 Ls

        Earth masses
        0.0021
        Radius
        1,114 km
        Gravity
        0.07 g
        Surface temperature
        494 K (221°C/430°F)
        Surface pressure
        230.24 atm
        Volcanism
        Carbon dioxide geysers
        Atmosphere
        Thick Carbon dioxide
        Terraforming

      • ︎ HR 4749 B 1 b - Rocky body Landable

        Body distance
        41,265 Ls

        Earth masses
        0.0003
        Radius
        492 km
        Gravity
        0.06 g
        Surface temperature
        174 K (-99°C/-146°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ 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 distance
        41,268 Ls

        Earth masses
        0.0024
        Radius
        1,164 km
        Gravity
        0.07 g
        Surface temperature
        267 K (-6°C/21°F)
        Surface pressure
        2.55 atm
        Volcanism
        Atmosphere
        Carbon dioxide
        Terraforming

      • ︎ HR 4749 B 1 e - Icy body

        Body distance
        41,670 Ls

        Earth masses
        0.0017
        Radius
        1,036 km
        Gravity
        0.06 g
        Surface temperature
        486 K (212°C/414°F)
        Surface pressure
        202.35 atm
        Volcanism
        Carbon dioxide geysers
        Atmosphere
        Thick Carbon dioxide
        Terraforming

      • ︎ HR 4749 B 1 c - Icy body Landable

        Body distance
        41,672 Ls

        Earth masses
        0.0029
        Radius
        1,211 km
        Gravity
        0.08 g
        Surface temperature
        150 K (-123°C/-190°F)
        Surface pressure
        0.00 atm
        Volcanism
        Minor Carbon dioxide geysers
        Atmosphere
        Terraforming

        ︎ 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 1 a - Rocky body Landable

        Body distance
        41,673 Ls

        Earth masses
        0.0002
        Radius
        423 km
        Gravity
        0.05 g
        Surface temperature
        178 K (-95°C/-139°F)
        Surface pressure
        0.00 atm
        Volcanism
        Metallic magma
        Atmosphere
        Terraforming

        ︎ 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 4 - Class I gas giant

      Body distance
      41,706 Ls
      Ring/belt type
      Icy (Major)
      Metal rich (Major)

      Earth masses
      146.8280
      Radius
      62,097 km
      Gravity
      1.55 g
      Surface temperature
      136 K (-138°C/-216°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      • ︎ HR 4749 B 4 d - Icy body Landable

        Body distance
        41,708 Ls

        Earth masses
        0.0029
        Radius
        1,264 km
        Gravity
        0.07 g
        Surface temperature
        111 K (-163°C/-261°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ 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 distance
        41,729 Ls

        Earth masses
        0.0013
        Radius
        957 km
        Gravity
        0.06 g
        Surface temperature
        110 K (-163°C/-261°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ 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 4 a - Icy body Landable

        Body distance
        41,737 Ls

        Earth masses
        0.0010
        Radius
        888 km
        Gravity
        0.05 g
        Surface temperature
        113 K (-160°C/-257°F)
        Surface pressure
        0.00 atm
        Volcanism
        Major Water geysers
        Atmosphere
        Terraforming

        ︎ 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 c - Icy body Landable

        Body distance
        41,998 Ls

        Earth masses
        0.0034
        Radius
        1,329 km
        Gravity
        0.08 g
        Surface temperature
        111 K (-162°C/-260°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ 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 b - Icy body Landable

        Body distance
        41,999 Ls

        Earth masses
        0.0009
        Radius
        862 km
        Gravity
        0.05 g
        Surface temperature
        112 K (-161°C/-258°F)
        Surface pressure
        0.00 atm
        Volcanism
        Carbon dioxide geysers
        Atmosphere
        Terraforming

        ︎ 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 5 - Icy body

      Body distance
      41,709 Ls
      Ring/belt type
      Icy (Major)

      Earth masses
      1.6540
      Radius
      10,055 km
      Gravity
      0.66 g
      Surface temperature
      396 K (123°C/253°F)
      Surface pressure
      2,472.60 atm
      Volcanism
      Carbon dioxide geysers
      Atmosphere
      Thick Methane-rich
      Terraforming

    • ︎ HR 4749 B 3 - Gas giant with water-based life

      Body distance
      42,184 Ls

      Earth masses
      448.4800
      Radius
      75,158 km
      Gravity
      3.23 g
      Surface temperature
      191 K (-82°C/-115°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      • ︎ HR 4749 B 3 e a - Icy body Landable

        Body distance
        41,936 Ls

        Earth masses
        0.0005
        Radius
        738 km
        Gravity
        0.04 g
        Surface temperature
        121 K (-152°C/-241°F)
        Surface pressure
        0.00 atm
        Volcanism
        Major Water magma
        Atmosphere
        Terraforming

        ︎ 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 e - Icy body Landable

        Body distance
        42,165 Ls

        Earth masses
        0.0290
        Radius
        2,641 km
        Gravity
        0.17 g
        Surface temperature
        121 K (-152°C/-241°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ 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 3 c - Icy body Landable

        Body distance
        42,169 Ls

        Earth masses
        0.0095
        Radius
        1,833 km
        Gravity
        0.11 g
        Surface temperature
        124 K (-149°C/-236°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ 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 a - Icy body Landable

        Body distance
        42,169 Ls

        Earth masses
        0.0109
        Radius
        1,918 km
        Gravity
        0.12 g
        Surface temperature
        127 K (-146°C/-231°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ 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 a a - Icy body Landable

        Body distance
        42,170 Ls

        Earth masses
        0.0003
        Radius
        598 km
        Gravity
        0.03 g
        Surface temperature
        127 K (-146°C/-231°F)
        Surface pressure
        0.00 atm
        Volcanism
        Water geysers
        Atmosphere
        Terraforming

        ︎ 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 d - Icy body Landable

        Body distance
        42,173 Ls

        Earth masses
        0.0129
        Radius
        2,028 km
        Gravity
        0.13 g
        Surface temperature
        123 K (-150°C/-238°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ 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 b - Icy body Landable

        Body distance
        42,188 Ls

        Earth masses
        0.0098
        Radius
        1,856 km
        Gravity
        0.12 g
        Surface temperature
        125 K (-148°C/-234°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ 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%