Star system

Ross 257︎

Economy
Colony / Industrial
Government
Democracy
Allegiance
Independent
Star type
Class K star Scoopable
Coordinates
-56.94 / -16.09 / 26.91
Permit required
No
Powerplay
Exploited
Powers
Jerome Archer (Controlling)
Pranav Antal

  • ︎ Ross 257 - Class K star

    Body distance
    -

    Solar masses
    0.5781
    Solar radius
    0.6997

    • ︎ Ross 257 1 - High metal content world Landable

      Body distance
      9 Ls

      Earth masses
      1.3661
      Radius
      6,681 km
      Gravity
      1.24 g
      Surface temperature
      728 K (455°C/851°F)
      Surface pressure
      0.00 atm
      Volcanism
      Minor Metallic magma
      Atmosphere
      Terraforming

      ︎ Ruthenium: 1.4%︎ Mercury: 1.0%︎ Tin: 1.5%︎ Arsenic: 2.2%︎ Manganese: 9.4%︎ Vanadium: 5.6%︎ Carbon: 13.7%︎ Iron: 22.8%︎ Nickel: 17.2%︎ Phosphorus: 8.8%︎ Sulphur: 16.3%

    • ︎ Ross 257 2 - Class II gas giant

      Body distance
      994 Ls
      Ring/belt type
      Icy (Common)

      Earth masses
      575.0430
      Radius
      76,200 km
      Gravity
      4.02 g
      Surface temperature
      152 K (-122°C/-187°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      • ︎ Ross 257 2 c - Icy body

        Body distance
        984 Ls

        Earth masses
        0.0048
        Radius
        1,482 km
        Gravity
        0.09 g
        Surface temperature
        117 K (-156°C/-249°F)
        Surface pressure
        0.38 atm
        Volcanism
        Atmosphere
        Methane
        Terraforming

      • ︎ Ross 257 2 b - Icy body

        Body distance
        990 Ls

        Earth masses
        0.0051
        Radius
        1,508 km
        Gravity
        0.09 g
        Surface temperature
        122 K (-151°C/-240°F)
        Surface pressure
        0.39 atm
        Volcanism
        Atmosphere
        Methane
        Terraforming

      • ︎ Ross 257 2 a - Icy body Landable

        Body distance
        996 Ls

        Earth masses
        0.0073
        Radius
        1,704 km
        Gravity
        0.10 g
        Surface temperature
        81 K (-192°C/-313°F)
        Surface pressure
        0.00 atm
        Volcanism
        Major Water geysers
        Atmosphere
        Terraforming

        ︎ Yttrium: 0.7%︎ Cadmium: 0.9%︎ Tin: 0.7%︎ Chromium: 5.4%︎ Germanium: 3.5%︎ Zinc: 3.3%︎ Carbon: 22.7%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.5%︎ Sulphur: 27.0%

    • ︎ Ross 257 3 - Gas giant with water-based life

      Body distance
      1,399 Ls

      Earth masses
      1,008.7100
      Radius
      77,474 km
      Gravity
      6.83 g
      Surface temperature
      229 K (-44°C/-47°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      • ︎ Ross 257 3 a - Icy body Landable

        Body distance
        1,400 Ls

        Earth masses
        0.0023
        Radius
        1,166 km
        Gravity
        0.07 g
        Surface temperature
        77 K (-196°C/-321°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Polonium: 0.3%︎ Tin: 0.7%︎ Tungsten: 0.7%︎ Arsenic: 1.6%︎ Manganese: 5.1%︎ Zinc: 3.4%︎ Carbon: 23.4%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 15.0%︎ Sulphur: 27.9%

      • ︎ Ross 257 3 b - Icy body Landable

        Body distance
        1,400 Ls

        Earth masses
        0.0057
        Radius
        1,569 km
        Gravity
        0.09 g
        Surface temperature
        73 K (-200°C/-328°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Technetium: 0.4%︎ Cadmium: 0.9%︎ Molybdenum: 0.8%︎ Chromium: 5.5%︎ Manganese: 5.0%︎ Zirconium: 1.4%︎ Carbon: 22.8%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.6%︎ Sulphur: 27.1%

      • ︎ Ross 257 3 c - Icy body

        Body distance
        1,407 Ls

        Earth masses
        0.0026
        Radius
        1,215 km
        Gravity
        0.07 g
        Surface temperature
        116 K (-157°C/-251°F)
        Surface pressure
        0.25 atm
        Volcanism
        Atmosphere
        Methane
        Terraforming

      • ︎ Ross 257 3 d - Icy body

        Body distance
        1,418 Ls

        Earth masses
        0.0059
        Radius
        1,587 km
        Gravity
        0.10 g
        Surface temperature
        120 K (-153°C/-244°F)
        Surface pressure
        0.43 atm
        Volcanism
        Atmosphere
        Methane
        Terraforming

    • ︎ Ross 257 4 - Gas giant with ammonia-based life

      Body distance
      1,468 Ls
      Ring/belt type
      Icy (Common)
      Metal rich (Common)

      Earth masses
      527.3770
      Radius
      75,835 km
      Gravity
      3.73 g
      Surface temperature
      138 K (-135°C/-211°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

    • ︎ Ross 257 5 - Class I gas giant

      Body distance
      1,472 Ls
      Ring/belt type
      Icy (Common)
      Metal rich (Common)

      Earth masses
      16.1521
      Radius
      35,518 km
      Gravity
      0.52 g
      Surface temperature
      67 K (-206°C/-338°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      • ︎ Ross 257 5 a - Icy body Landable

        Body distance
        1,472 Ls

        Earth masses
        0.0010
        Radius
        877 km
        Gravity
        0.05 g
        Surface temperature
        60 K (-213°C/-351°F)
        Surface pressure
        0.00 atm
        Volcanism
        Major Water geysers
        Atmosphere
        Terraforming

        ︎ Tellurium: 0.9%︎ Niobium: 0.9%︎ Tin: 0.8%︎ Arsenic: 1.6%︎ Germanium: 3.7%︎ Vanadium: 3.1%︎ Carbon: 23.7%︎ Iron: 12.5%︎ Nickel: 9.5%︎ Phosphorus: 15.2%︎ Sulphur: 28.2%

    • ︎ Ross 257 6 - Class I gas giant

      Body distance
      2,144 Ls

      Earth masses
      512.4490
      Radius
      75,548 km
      Gravity
      3.65 g
      Surface temperature
      119 K (-154°C/-246°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      • ︎ Ross 257 6 d - Icy body Landable

        Body distance
        2,137 Ls

        Earth masses
        0.0050
        Radius
        1,501 km
        Gravity
        0.09 g
        Surface temperature
        48 K (-225°C/-373°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Ruthenium: 0.7%︎ Cadmium: 0.9%︎ Molybdenum: 0.8%︎ Chromium: 5.3%︎ Germanium: 3.5%︎ Manganese: 4.9%︎ Carbon: 22.3%︎ Iron: 11.8%︎ Nickel: 8.9%︎ Phosphorus: 14.3%︎ Sulphur: 26.6%

      • ︎ Ross 257 6 c - Icy body Landable

        Body distance
        2,141 Ls

        Earth masses
        0.0042
        Radius
        1,415 km
        Gravity
        0.08 g
        Surface temperature
        53 K (-220°C/-364°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Antimony: 0.8%︎ Cadmium: 0.9%︎ Tungsten: 0.7%︎ Manganese: 5.0%︎ Vanadium: 3.0%︎ Zinc: 3.3%︎ Carbon: 23.0%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.7%︎ Sulphur: 27.3%

      • ︎ Ross 257 6 b - Icy body Landable

        Body distance
        2,141 Ls

        Earth masses
        0.0067
        Radius
        1,651 km
        Gravity
        0.10 g
        Surface temperature
        55 K (-218°C/-360°F)
        Surface pressure
        0.00 atm
        Volcanism
        Carbon dioxide geysers
        Atmosphere
        Terraforming

        ︎ Ruthenium: 0.8%︎ Selenium: 4.2%︎ Cadmium: 0.9%︎ Molybdenum: 0.8%︎ Manganese: 5.1%︎ Vanadium: 3.0%︎ Carbon: 22.5%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.4%︎ Sulphur: 26.8%

      • ︎ Ross 257 6 a - Icy body Landable

        Body distance
        2,145 Ls

        Earth masses
        0.0036
        Radius
        1,341 km
        Gravity
        0.08 g
        Surface temperature
        58 K (-215°C/-355°F)
        Surface pressure
        0.00 atm
        Volcanism
        Major Water geysers
        Atmosphere
        Terraforming

        ︎ Selenium: 4.3%︎ Tellurium: 0.9%︎ Cadmium: 1.0%︎ Molybdenum: 0.8%︎ Zinc: 3.4%︎ Zirconium: 1.5%︎ Carbon: 23.3%︎ Iron: 12.5%︎ Nickel: 9.5%︎ Phosphorus: 14.9%︎ Sulphur: 27.7%

    • ︎ Ross 257 7 - Class I gas giant

      Body distance
      2,188 Ls
      Ring/belt type
      Icy (Common)
      Rocky (Common)

      Earth masses
      78.4386
      Radius
      55,750 km
      Gravity
      1.03 g
      Surface temperature
      55 K (-218°C/-360°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      • ︎ Ross 257 7 a - Icy body Landable

        Body distance
        2,188 Ls

        Earth masses
        0.0055
        Radius
        1,546 km
        Gravity
        0.09 g
        Surface temperature
        46 K (-227°C/-376°F)
        Surface pressure
        0.00 atm
        Volcanism
        Major Water geysers
        Atmosphere
        Terraforming

        ︎ Selenium: 4.1%︎ Yttrium: 0.7%︎ Cadmium: 0.9%︎ Mercury: 0.5%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Carbon: 22.1%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.2%︎ Sulphur: 26.3%

      • ︎ Ross 257 7 c - Icy body Landable

        Body distance
        2,200 Ls

        Earth masses
        0.0009
        Radius
        860 km
        Gravity
        0.05 g
        Surface temperature
        45 K (-228°C/-378°F)
        Surface pressure
        0.00 atm
        Volcanism
        Minor Ammonia magma
        Atmosphere
        Terraforming

        ︎ Ruthenium: 0.7%︎ Mercury: 0.5%︎ Tin: 0.7%︎ Chromium: 5.4%︎ Manganese: 4.9%︎ Vanadium: 2.9%︎ Carbon: 22.6%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.4%︎ Sulphur: 26.8%

      • ︎ Ross 257 7 b - Icy body Landable

        Body distance
        2,202 Ls

        Earth masses
        0.0014
        Radius
        995 km
        Gravity
        0.06 g
        Surface temperature
        45 K (-228°C/-378°F)
        Surface pressure
        0.00 atm
        Volcanism
        Minor Carbon dioxide geysers
        Atmosphere
        Terraforming

        ︎ Ruthenium: 0.7%︎ Selenium: 4.2%︎ Molybdenum: 0.8%︎ Tin: 0.7%︎ Chromium: 5.4%︎ Zinc: 3.3%︎ Carbon: 22.5%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.4%︎ Sulphur: 26.8%

    • ︎ Ross 257 8 - Class I gas giant

      Body distance
      2,949 Ls

      Earth masses
      42.8879
      Radius
      43,759 km
      Gravity
      0.91 g
      Surface temperature
      42 K (-231°C/-383°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      • ︎ Ross 257 8 f - Icy body Landable

        Body distance
        2,948 Ls

        Earth masses
        0.0015
        Radius
        1,004 km
        Gravity
        0.06 g
        Surface temperature
        36 K (-237°C/-395°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Selenium: 4.3%︎ Tellurium: 0.9%︎ Cadmium: 1.0%︎ Tin: 0.7%︎ Arsenic: 1.6%︎ Manganese: 5.1%︎ Carbon: 22.9%︎ Iron: 12.3%︎ Nickel: 9.3%︎ Phosphorus: 14.7%︎ Sulphur: 27.3%

      • ︎ Ross 257 8 b - Icy body Landable

        Body distance
        2,948 Ls

        Earth masses
        0.0010
        Radius
        890 km
        Gravity
        0.05 g
        Surface temperature
        36 K (-237°C/-395°F)
        Surface pressure
        0.00 atm
        Volcanism
        Major Water geysers
        Atmosphere
        Terraforming

        ︎ Antimony: 0.8%︎ Selenium: 4.3%︎ Cadmium: 0.9%︎ Tin: 0.7%︎ Arsenic: 1.6%︎ Chromium: 5.5%︎ Carbon: 22.9%︎ Iron: 12.1%︎ Nickel: 9.2%︎ Phosphorus: 14.7%︎ Sulphur: 27.3%

      • ︎ Ross 257 8 a - Icy body Landable

        Body distance
        2,950 Ls

        Earth masses
        0.0016
        Radius
        1,038 km
        Gravity
        0.06 g
        Surface temperature
        36 K (-237°C/-394°F)
        Surface pressure
        0.00 atm
        Volcanism
        Major Water geysers
        Atmosphere
        Terraforming

        ︎ Technetium: 0.4%︎ Cadmium: 0.9%︎ Niobium: 0.8%︎ Chromium: 5.4%︎ Manganese: 5.0%︎ Vanadium: 2.9%︎ Carbon: 22.4%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.3%︎ Sulphur: 26.6%

      • ︎ Ross 257 8 c - Icy body Landable

        Body distance
        2,951 Ls

        Earth masses
        0.0027
        Radius
        1,221 km
        Gravity
        0.07 g
        Surface temperature
        36 K (-237°C/-395°F)
        Surface pressure
        0.00 atm
        Volcanism
        Carbon dioxide geysers
        Atmosphere
        Terraforming

        ︎ Tellurium: 0.9%︎ Mercury: 0.5%︎ Tin: 0.7%︎ Chromium: 5.5%︎ Germanium: 3.6%︎ Vanadium: 3.0%︎ Carbon: 22.8%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.6%︎ Sulphur: 27.1%

      • ︎ Ross 257 8 d - Icy body Landable

        Body distance
        2,951 Ls

        Earth masses
        0.0022
        Radius
        1,149 km
        Gravity
        0.07 g
        Surface temperature
        36 K (-237°C/-395°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Selenium: 4.1%︎ Technetium: 0.4%︎ Molybdenum: 0.8%︎ Niobium: 0.8%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Carbon: 22.3%︎ Iron: 11.8%︎ Nickel: 8.9%︎ Phosphorus: 14.3%︎ Sulphur: 26.5%

      • ︎ Ross 257 8 e - Icy body Landable

        Body distance
        2,951 Ls

        Earth masses
        0.0005
        Radius
        694 km
        Gravity
        0.04 g
        Surface temperature
        36 K (-237°C/-395°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Selenium: 4.2%︎ Technetium: 0.4%︎ Cadmium: 0.9%︎ Mercury: 0.5%︎ Chromium: 5.4%︎ Zinc: 3.3%︎ Carbon: 22.7%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.5%︎ Sulphur: 27.0%

      • ︎ Ross 257 8 g - Icy body Landable

        Body distance
        2,951 Ls

        Earth masses
        0.0007
        Radius
        788 km
        Gravity
        0.05 g
        Surface temperature
        36 K (-237°C/-395°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Ruthenium: 0.8%︎ Selenium: 4.4%︎ Molybdenum: 0.8%︎ Tungsten: 0.7%︎ Arsenic: 1.6%︎ Zinc: 3.4%︎ Carbon: 23.5%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 15.0%︎ Sulphur: 28.0%

    • ︎ Ross 257 9 - Class I gas giant

      Body distance
      2,966 Ls
      Ring/belt type
      Icy (Common)

      Earth masses
      8.2899
      Radius
      17,023 km
      Gravity
      1.16 g
      Surface temperature
      40 K (-234°C/-388°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      • ︎ Ross 257 9 a - Icy body Landable

        Body distance
        2,966 Ls

        Earth masses
        0.0009
        Radius
        837 km
        Gravity
        0.05 g
        Surface temperature
        36 K (-238°C/-396°F)
        Surface pressure
        0.00 atm
        Volcanism
        Major Water geysers
        Atmosphere
        Terraforming

        ︎ Technetium: 0.5%︎ Cadmium: 1.0%︎ Molybdenum: 0.8%︎ Germanium: 3.7%︎ Zinc: 3.5%︎ Zirconium: 1.5%︎ Carbon: 23.6%︎ Iron: 12.7%︎ Nickel: 9.6%︎ Phosphorus: 15.1%︎ Sulphur: 28.0%

      • ︎ Ross 257 9 b - Icy body Landable

        Body distance
        2,972 Ls

        Earth masses
        0.0004
        Radius
        657 km
        Gravity
        0.04 g
        Surface temperature
        35 K (-238°C/-396°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Antimony: 0.8%︎ Cadmium: 1.0%︎ Niobium: 0.8%︎ Chromium: 5.5%︎ Zinc: 3.3%︎ Zirconium: 1.4%︎ Carbon: 23.2%︎ Iron: 12.3%︎ Nickel: 9.3%︎ Phosphorus: 14.8%︎ Sulphur: 27.6%