Star system

BD+21 55︎

Economy
Agriculture / Industrial
Government
Corporate
Allegiance
Independent
Star type
Class K star Scoopable
Coordinates
-75.53 / -70.53 / -39.28
Permit required
No
Powerplay
Fortified
Powers

  • ︎ BD+21 55 A - Class K star

    Body distance
    -

    Solar masses
    0.7500
    Solar radius
    0.8548

    • ︎ BD+21 55 A 1 - Earth-like world

      Body distance
      413 Ls

      Earth masses
      1.7967
      Radius
      7,228 km
      Gravity
      1.40 g
      Surface temperature
      279 K (6°C/43°F)
      Surface pressure
      2.30 atm
      Volcanism
      Minor Metallic magma
      Atmosphere
      Suitable for water-based life
      Terraforming
      Terraformed

    • ︎ BD+21 55 A 2 - Water world

      Body distance
      511 Ls

      Earth masses
      2.0864
      Radius
      7,516 km
      Gravity
      1.50 g
      Surface temperature
      331 K (58°C/136°F)
      Surface pressure
      12.73 atm
      Volcanism
      Minor Metallic magma
      Atmosphere
      Thick Ammonia
      Terraforming

      • ︎ BD+21 55 A 2 a - Rocky body Landable

        Body distance
        512 Ls

        Earth masses
        0.1444
        Radius
        3,523 km
        Gravity
        0.47 g
        Surface temperature
        217 K (-57°C/-70°F)
        Surface pressure
        0.01 atm
        Volcanism
        Atmosphere
        Thin Carbon dioxide
        Terraforming

        ︎ Ruthenium: 1.3%︎ Selenium: 2.9%︎ Niobium: 1.4%︎ Tin: 1.3%︎ Manganese: 8.5%︎ Vanadium: 5.0%︎ Carbon: 15.4%︎ Iron: 20.5%︎ Nickel: 15.5%︎ Phosphorus: 9.9%︎ Sulphur: 18.4%
    • ︎ BD+21 55 A 3 - High metal content world

      Body distance
      736 Ls

      Earth masses
      1.9646
      Radius
      7,401 km
      Gravity
      1.46 g
      Surface temperature
      483 K (210°C/410°F)
      Surface pressure
      30.43 atm
      Volcanism
      Minor Metallic magma
      Atmosphere
      Thick Methane-rich
      Terraforming

      • ︎ BD+21 55 A 3 a - Rocky body Landable

        Body distance
        734 Ls

        Earth masses
        0.0733
        Radius
        2,836 km
        Gravity
        0.37 g
        Surface temperature
        182 K (-91°C/-132°F)
        Surface pressure
        0.01 atm
        Volcanism
        Atmosphere
        Thin Carbon dioxide
        Terraforming

        ︎ Antimony: 1.2%︎ Selenium: 2.9%︎ Mercury: 0.9%︎ Tin: 1.3%︎ Chromium: 9.5%︎ Zirconium: 2.4%︎ Carbon: 15.8%︎ Iron: 21.0%︎ Nickel: 15.9%︎ Phosphorus: 10.1%︎ Sulphur: 18.8%
    • ︎ BD+21 55 A 4 - Class I gas giant

      Body distance
      2,223 Ls
      Ring/belt type
      Metal rich (Pristine)

      Earth masses
      78.8581
      Radius
      57,132 km
      Gravity
      0.98 g
      Surface temperature
      115 K (-158°C/-252°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      • ︎ BD+21 55 A 4 d - Icy body Landable

        Body distance
        2,212 Ls

        Earth masses
        0.0017
        Radius
        1,050 km
        Gravity
        0.06 g
        Surface temperature
        98 K (-175°C/-283°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Antimony: 0.7%︎ Selenium: 4.2%︎ Mercury: 0.5%︎ Niobium: 0.8%︎ Chromium: 5.1%︎ Manganese: 4.7%︎ Carbon: 22.6%︎ Iron: 11.4%︎ Nickel: 8.6%︎ Phosphorus: 14.5%︎ Sulphur: 26.9%
      • ︎ BD+21 55 A 4 c - Icy body Landable

        Body distance
        2,216 Ls

        Earth masses
        0.0018
        Radius
        1,074 km
        Gravity
        0.06 g
        Surface temperature
        98 K (-175°C/-282°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Ruthenium: 0.7%︎ Niobium: 0.8%︎ Tungsten: 0.6%︎ Chromium: 5.2%︎ Germanium: 3.3%︎ Manganese: 4.7%︎ Carbon: 22.8%︎ Iron: 11.5%︎ Nickel: 8.7%︎ Phosphorus: 14.6%︎ Sulphur: 27.1%
      • ︎ BD+21 55 A 4 a - Rocky body Landable

        Body distance
        2,221 Ls

        Earth masses
        0.0002
        Radius
        405 km
        Gravity
        0.05 g
        Surface temperature
        112 K (-161°C/-259°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Tellurium: 1.4%︎ Niobium: 1.3%︎ Tin: 1.1%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.1%︎ Iron: 18.4%︎ Nickel: 13.9%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%
      • ︎ BD+21 55 A 4 b - Icy body Landable

        Body distance
        2,223 Ls

        Earth masses
        0.0010
        Radius
        887 km
        Gravity
        0.05 g
        Surface temperature
        99 K (-174°C/-282°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Tellurium: 0.9%︎ Cadmium: 0.9%︎ Tin: 0.7%︎ Chromium: 5.4%︎ Germanium: 3.5%︎ Manganese: 5.0%︎ Carbon: 22.1%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.1%︎ Sulphur: 26.3%
    • ︎ BD+21 55 A 5 - Class I gas giant

      Body distance
      3,042 Ls

      Earth masses
      65.6290
      Radius
      51,601 km
      Gravity
      1.00 g
      Surface temperature
      103 K (-170°C/-275°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      • ︎ BD+21 55 A 5 c - Icy body Landable

        Body distance
        3,039 Ls

        Earth masses
        0.0002
        Radius
        506 km
        Gravity
        0.03 g
        Surface temperature
        89 K (-185°C/-300°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Selenium: 4.2%︎ Technetium: 0.4%︎ Niobium: 0.8%︎ Tin: 0.7%︎ Chromium: 5.4%︎ Vanadium: 3.0%︎ Carbon: 22.7%︎ Iron: 12.1%︎ Nickel: 9.1%︎ Phosphorus: 14.5%︎ Sulphur: 27.0%
      • ︎ BD+21 55 A 5 e - Icy body Landable

        Body distance
        3,043 Ls

        Earth masses
        0.0009
        Radius
        861 km
        Gravity
        0.05 g
        Surface temperature
        88 K (-185°C/-301°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Ruthenium: 0.8%︎ Cadmium: 0.9%︎ Tungsten: 0.7%︎ Chromium: 5.5%︎ Germanium: 3.5%︎ Zinc: 3.3%︎ Carbon: 22.6%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.5%︎ Sulphur: 26.9%
      • ︎ BD+21 55 A 5 b - Icy body Landable

        Body distance
        3,044 Ls

        Earth masses
        0.0004
        Radius
        655 km
        Gravity
        0.04 g
        Surface temperature
        89 K (-184°C/-300°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Selenium: 4.3%︎ Technetium: 0.4%︎ Cadmium: 1.0%︎ Mercury: 0.5%︎ Vanadium: 3.0%︎ Zinc: 3.4%︎ Carbon: 23.2%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 14.8%︎ Sulphur: 27.6%
      • ︎ BD+21 55 A 5 a - Icy body Landable

        Body distance
        3,044 Ls

        Earth masses
        0.0004
        Radius
        640 km
        Gravity
        0.04 g
        Surface temperature
        89 K (-184°C/-300°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Ruthenium: 0.8%︎ Cadmium: 1.0%︎ Tungsten: 0.7%︎ Chromium: 5.5%︎ Germanium: 3.6%︎ Zirconium: 1.4%︎ Carbon: 23.1%︎ Iron: 12.3%︎ Nickel: 9.3%︎ Phosphorus: 14.8%︎ Sulphur: 27.5%
      • ︎ BD+21 55 A 5 f - Icy body Landable

        Body distance
        3,045 Ls

        Earth masses
        0.0004
        Radius
        627 km
        Gravity
        0.04 g
        Surface temperature
        88 K (-185°C/-301°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Tellurium: 0.9%︎ Mercury: 0.5%︎ Niobium: 0.8%︎ Manganese: 5.0%︎ Vanadium: 3.0%︎ Zinc: 3.3%︎ Carbon: 22.9%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.7%︎ Sulphur: 27.3%
      • ︎ BD+21 55 A 5 d - Icy body Landable

        Body distance
        3,047 Ls

        Earth masses
        0.0006
        Radius
        752 km
        Gravity
        0.04 g
        Surface temperature
        88 K (-185°C/-300°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Selenium: 4.3%︎ Yttrium: 0.7%︎ Niobium: 0.8%︎ Tungsten: 0.7%︎ Manganese: 5.1%︎ Zirconium: 1.4%︎ Carbon: 23.0%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 14.7%︎ Sulphur: 27.3%
  • ︎ BD+21 55 B - Class K star

    Body distance
    26,264 Ls

    Solar masses
    0.6445
    Solar radius
    0.8154

  • ︎ BD+21 55 C - Class K star

    Body distance
    105,071 Ls

    Solar masses
    0.5508
    Solar radius
    0.6723

    • ︎ BD+21 55 C 3 - Class I gas giant

      Body distance
      103,874 Ls
      Ring/belt type
      Icy (Pristine)
      Rocky (Pristine)

      Earth masses
      106.8270
      Radius
      58,864 km
      Gravity
      1.25 g
      Surface temperature
      94 K (-179°C/-290°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      • ︎ BD+21 55 C 3 b - Icy body Landable

        Body distance
        103,867 Ls

        Earth masses
        0.0016
        Radius
        1,031 km
        Gravity
        0.06 g
        Surface temperature
        77 K (-197°C/-322°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Tellurium: 0.9%︎ Cadmium: 0.9%︎ Mercury: 0.5%︎ Chromium: 5.5%︎ Germanium: 3.5%︎ Vanadium: 3.0%︎ Carbon: 22.7%︎ Iron: 12.1%︎ Nickel: 9.2%︎ Phosphorus: 14.6%︎ Sulphur: 27.0%
      • ︎ BD+21 55 C 3 a - Icy body Landable

        Body distance
        104,150 Ls

        Earth masses
        0.0020
        Radius
        1,109 km
        Gravity
        0.07 g
        Surface temperature
        78 K (-195°C/-319°F)
        Surface pressure
        0.00 atm
        Volcanism
        Major Water geysers
        Atmosphere
        Terraforming

        ︎ Selenium: 4.2%︎ Technetium: 0.4%︎ Tin: 0.7%︎ Tungsten: 0.7%︎ Chromium: 5.4%︎ Germanium: 3.5%︎ Carbon: 22.6%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.5%︎ Sulphur: 26.9%
    • ︎ BD+21 55 C 2 - Class I gas giant

      Body distance
      104,995 Ls
      Ring/belt type
      Metal rich (Pristine)

      Earth masses
      4.9855
      Radius
      22,884 km
      Gravity
      0.39 g
      Surface temperature
      116 K (-158°C/-252°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      • ︎ BD+21 55 C 2 a - Rocky body Landable

        Body distance
        104,882 Ls

        Earth masses
        0.0002
        Radius
        429 km
        Gravity
        0.05 g
        Surface temperature
        117 K (-156°C/-249°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Antimony: 1.2%︎ Cadmium: 1.5%︎ Niobium: 1.3%︎ Chromium: 8.5%︎ Germanium: 5.5%︎ Zinc: 5.1%︎ Carbon: 15.5%︎ Iron: 18.8%︎ Nickel: 14.3%︎ Phosphorus: 9.9%︎ Sulphur: 18.5%
    • ︎ BD+21 55 C 1 - Class II gas giant

      Body distance
      105,025 Ls
      Ring/belt type
      Rocky (Pristine)

      Earth masses
      478.7650
      Radius
      74,229 km
      Gravity
      3.53 g
      Surface temperature
      178 K (-95°C/-139°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

    • ︎ BD+21 55 C 5 - Class I gas giant

      Body distance
      105,286 Ls

      Earth masses
      24.2712
      Radius
      21,716 km
      Gravity
      2.09 g
      Surface temperature
      69 K (-204°C/-336°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      • ︎ BD+21 55 C 5 b - Icy body Landable

        Body distance
        105,219 Ls

        Earth masses
        0.0005
        Radius
        716 km
        Gravity
        0.04 g
        Surface temperature
        61 K (-212°C/-350°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Ruthenium: 0.7%︎ Selenium: 4.2%︎ Cadmium: 0.9%︎ Niobium: 0.8%︎ Manganese: 5.0%︎ Zinc: 3.3%︎ Carbon: 22.5%︎ Iron: 12.1%︎ Nickel: 9.1%︎ Phosphorus: 14.4%︎ Sulphur: 26.8%
      • ︎ BD+21 55 C 5 g - Icy body Landable

        Body distance
        105,252 Ls

        Earth masses
        0.0009
        Radius
        858 km
        Gravity
        0.05 g
        Surface temperature
        61 K (-212°C/-350°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Selenium: 4.2%︎ Technetium: 0.4%︎ Mercury: 0.5%︎ Molybdenum: 0.8%︎ Chromium: 5.5%︎ Vanadium: 3.0%︎ Carbon: 22.7%︎ Iron: 12.1%︎ Nickel: 9.2%︎ Phosphorus: 14.5%︎ Sulphur: 27.0%
      • ︎ BD+21 55 C 5 f - Icy body Landable

        Body distance
        105,268 Ls

        Earth masses
        0.0009
        Radius
        866 km
        Gravity
        0.05 g
        Surface temperature
        61 K (-212°C/-350°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Ruthenium: 0.8%︎ Molybdenum: 0.8%︎ Tin: 0.8%︎ Arsenic: 1.6%︎ Germanium: 3.7%︎ Vanadium: 3.1%︎ Carbon: 23.7%︎ Iron: 12.6%︎ Nickel: 9.6%︎ Phosphorus: 15.2%︎ Sulphur: 28.2%
      • ︎ BD+21 55 C 5 a - Icy body Landable

        Body distance
        105,287 Ls

        Earth masses
        0.0002
        Radius
        544 km
        Gravity
        0.03 g
        Surface temperature
        61 K (-212°C/-350°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Tellurium: 0.9%︎ Mercury: 0.5%︎ Tin: 0.7%︎ Chromium: 5.5%︎ Manganese: 5.0%︎ Zirconium: 1.4%︎ Carbon: 22.8%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.6%︎ Sulphur: 27.1%
      • ︎ BD+21 55 C 5 e - Icy body Landable

        Body distance
        105,291 Ls

        Earth masses
        0.0006
        Radius
        756 km
        Gravity
        0.04 g
        Surface temperature
        61 K (-212°C/-350°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Selenium: 4.2%︎ Yttrium: 0.7%︎ Molybdenum: 0.8%︎ Niobium: 0.8%︎ Manganese: 5.0%︎ Vanadium: 3.0%︎ Carbon: 22.7%︎ Iron: 12.1%︎ Nickel: 9.2%︎ Phosphorus: 14.5%︎ Sulphur: 27.0%
      • ︎ BD+21 55 C 5 d - Icy body Landable

        Body distance
        105,449 Ls

        Earth masses
        0.0003
        Radius
        618 km
        Gravity
        0.04 g
        Surface temperature
        61 K (-212°C/-350°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Polonium: 0.3%︎ Cadmium: 0.9%︎ Mercury: 0.5%︎ Chromium: 5.4%︎ Manganese: 5.0%︎ Vanadium: 3.0%︎ Carbon: 22.5%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.4%︎ Sulphur: 26.8%
      • ︎ BD+21 55 C 5 c - Icy body Landable

        Body distance
        106,197 Ls

        Earth masses
        0.0003
        Radius
        564 km
        Gravity
        0.03 g
        Surface temperature
        61 K (-212°C/-350°F)
        Surface pressure
        0.00 atm
        Volcanism
        Atmosphere
        Terraforming

        ︎ Tellurium: 0.9%︎ Molybdenum: 0.8%︎ Niobium: 0.8%︎ Chromium: 5.5%︎ Vanadium: 3.0%︎ Zinc: 3.3%︎ Carbon: 22.8%︎ Iron: 12.1%︎ Nickel: 9.2%︎ Phosphorus: 14.6%︎ Sulphur: 27.1%
    • ︎ BD+21 55 C 4 - Class I gas giant

      Body distance
      105,419 Ls
      Ring/belt type
      Icy (Pristine)
      Metal rich (Pristine)

      Earth masses
      143.0430
      Radius
      59,319 km
      Gravity
      1.65 g
      Surface temperature
      91 K (-182°C/-295°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      • ︎ BD+21 55 C 4 d - Icy body Landable

        Body distance
        105,304 Ls

        Earth masses
        0.0006
        Radius
        747 km
        Gravity
        0.04 g
        Surface temperature
        105 K (-168°C/-270°F)
        Surface pressure
        0.09 atm
        Volcanism
        Atmosphere
        Thin Methane
        Terraforming

        ︎ Antimony: 0.7%︎ Selenium: 4.2%︎ Niobium: 0.8%︎ Tungsten: 0.7%︎ Manganese: 5.0%︎ Zinc: 3.3%︎ Carbon: 22.6%︎ Iron: 12.1%︎ Nickel: 9.1%︎ Phosphorus: 14.5%︎ Sulphur: 26.9%
      • ︎ BD+21 55 C 4 a - Icy body

        Body distance
        105,419 Ls

        Earth masses
        0.0004
        Radius
        646 km
        Gravity
        0.04 g
        Surface temperature
        175 K (-98°C/-145°F)
        Surface pressure
        6.88 atm
        Volcanism
        Carbon dioxide geysers
        Atmosphere
        Thick Methane
        Terraforming

      • ︎ BD+21 55 C 4 e - Icy body

        Body distance
        105,434 Ls

        Earth masses
        0.0029
        Radius
        1,253 km
        Gravity
        0.08 g
        Surface temperature
        117 K (-156°C/-249°F)
        Surface pressure
        0.27 atm
        Volcanism
        Atmosphere
        Methane
        Terraforming

      • ︎ BD+21 55 C 4 c - Icy body

        Body distance
        105,439 Ls

        Earth masses
        0.0009
        Radius
        858 km
        Gravity
        0.05 g
        Surface temperature
        109 K (-164°C/-264°F)
        Surface pressure
        0.12 atm
        Volcanism
        Atmosphere
        Methane
        Terraforming

      • ︎ BD+21 55 C 4 b - Icy body

        Body distance
        105,440 Ls

        Earth masses
        0.0004
        Radius
        659 km
        Gravity
        0.04 g
        Surface temperature
        172 K (-101°C/-150°F)
        Surface pressure
        6.24 atm
        Volcanism
        Atmosphere
        Thick Methane
        Terraforming

      • ︎ BD+21 55 C 4 f - Icy body

        Body distance
        105,443 Ls

        Earth masses
        0.0012
        Radius
        944 km
        Gravity
        0.06 g
        Surface temperature
        109 K (-164°C/-263°F)
        Surface pressure
        0.15 atm
        Volcanism
        Atmosphere
        Methane
        Terraforming