Star system

HIP 7821︎

Economy
Government
Allegiance
Independent
Star type
Class G star Scoopable
Coordinates
-7.72 / -208.28 / -60.47
Permit required
No
Powerplay
Unoccupied
Powers

  • ︎ HIP 7821 - Class G star

    Body distance
    -

    Solar masses
    1.2695
    Solar radius
    1.1515

    • ︎ HIP 7821 1 - Gas giant with ammonia-based life

      Body distance
      2,322 Ls
      Ring/belt type
      Metal rich (Pristine)

      Earth masses
      149.1000
      Radius
      49,997 km
      Gravity
      2.42 g
      Surface temperature
      148 K (-126°C/-194°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      • ︎ HIP 7821 1 c - Icy body

        Body distance
        2,312 Ls
        Ring/belt type
        Metal rich (Pristine)

        Earth masses
        0.1453
        Radius
        4,469 km
        Gravity
        0.30 g
        Surface temperature
        125 K (-148°C/-235°F)
        Surface pressure
        2.47 atm
        Volcanism
        Atmosphere
        Argon-rich
        Terraforming

      • ︎ HIP 7821 1 a - Rocky body Landable

        Body distance
        2,320 Ls

        Earth masses
        0.0003
        Radius
        468 km
        Gravity
        0.05 g
        Surface temperature
        165 K (-109°C/-163°F)
        Surface pressure
        0.02 atm
        Volcanism
        Atmosphere
        Thin Carbon dioxide
        Terraforming

        ︎ Polonium: 0.5%︎ Mercury: 0.9%︎ Tin: 1.2%︎ Manganese: 8.0%︎ Vanadium: 4.8%︎ Zinc: 5.3%︎ Carbon: 16.0%︎ Iron: 19.5%︎ Nickel: 14.7%︎ Phosphorus: 10.2%︎ Sulphur: 19.0%

      • ︎ HIP 7821 1 b - Rocky body Landable

        Body distance
        2,320 Ls

        Earth masses
        0.0004
        Radius
        533 km
        Gravity
        0.06 g
        Surface temperature
        153 K (-120°C/-184°F)
        Surface pressure
        0.01 atm
        Volcanism
        Atmosphere
        Thin Carbon dioxide
        Terraforming

        ︎ Antimony: 1.2%︎ Cadmium: 1.5%︎ Niobium: 1.3%︎ Arsenic: 2.4%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.5%︎ Iron: 19.0%︎ Nickel: 14.3%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%

    • ︎ HIP 7821 2 c - Rocky body Landable

      Body distance
      4,135 Ls

      Earth masses
      0.0034
      Radius
      1,059 km
      Gravity
      0.12 g
      Surface temperature
      154 K (-119°C/-183°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      ︎ Technetium: 0.7%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Arsenic: 2.6%︎ Manganese: 8.2%︎ Zinc: 5.4%︎ Carbon: 16.2%︎ Iron: 19.8%︎ Nickel: 15.0%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%

    • ︎ HIP 7821 2 g - Icy body

      Body distance
      4,136 Ls
      Ring/belt type
      Metal rich (Pristine)

      Earth masses
      0.2691
      Radius
      5,522 km
      Gravity
      0.36 g
      Surface temperature
      109 K (-164°C/-263°F)
      Surface pressure
      6.55 atm
      Volcanism
      Atmosphere
      Thick Nitrogen
      Terraforming

    • ︎ HIP 7821 2 b - Rocky body Landable

      Body distance
      4,137 Ls

      Earth masses
      0.0057
      Radius
      1,252 km
      Gravity
      0.15 g
      Surface temperature
      162 K (-111°C/-169°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      ︎ Tellurium: 1.5%︎ Mercury: 0.9%︎ Tin: 1.2%︎ Arsenic: 2.5%︎ Chromium: 8.8%︎ Zinc: 5.3%︎ Carbon: 16.1%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%

    • ︎ HIP 7821 2 e - Rocky body Landable

      Body distance
      4,139 Ls

      Earth masses
      0.0358
      Radius
      2,279 km
      Gravity
      0.28 g
      Surface temperature
      132 K (-141°C/-222°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      ︎ Antimony: 1.2%︎ Selenium: 3.0%︎ Mercury: 0.9%︎ Tin: 1.2%︎ Chromium: 8.8%︎ Germanium: 5.6%︎ Carbon: 16.0%︎ Iron: 19.5%︎ Nickel: 14.7%︎ Phosphorus: 10.2%︎ Sulphur: 19.0%

    • ︎ HIP 7821 2 d - Rocky body

      Body distance
      4,142 Ls

      Earth masses
      0.0347
      Radius
      2,255 km
      Gravity
      0.28 g
      Surface temperature
      188 K (-85°C/-121°F)
      Surface pressure
      0.14 atm
      Volcanism
      Atmosphere
      Carbon dioxide
      Terraforming

    • ︎ HIP 7821 2 a - Rocky body Landable

      Body distance
      4,144 Ls

      Earth masses
      0.0031
      Radius
      1,025 km
      Gravity
      0.12 g
      Surface temperature
      201 K (-72°C/-98°F)
      Surface pressure
      0.00 atm
      Volcanism
      Metallic magma
      Atmosphere
      Terraforming

      ︎ Selenium: 3.1%︎ Tellurium: 1.5%︎ Mercury: 0.9%︎ Molybdenum: 1.3%︎ Germanium: 5.8%︎ Vanadium: 5.0%︎ Carbon: 16.6%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.6%︎ Sulphur: 19.7%

    • ︎ HIP 7821 2 f - Rocky body Landable

      Body distance
      4,152 Ls

      Earth masses
      0.0289
      Radius
      2,126 km
      Gravity
      0.26 g
      Surface temperature
      127 K (-146°C/-231°F)
      Surface pressure
      0.00 atm
      Volcanism
      Atmosphere
      Terraforming

      ︎ Polonium: 0.5%︎ Cadmium: 1.4%︎ Tungsten: 1.0%︎ Chromium: 8.4%︎ Manganese: 7.7%︎ Zinc: 5.1%︎ Carbon: 15.3%︎ Iron: 18.6%︎ Nickel: 14.1%︎ Phosphorus: 9.8%︎ Sulphur: 18.2%

  • ︎ HIP 7821 2 - Class Y star (brown dwarf)

    Body distance
    4,143 Ls

    Solar masses
    0.0234
    Solar radius
    0.0862