Star system

HR 3991︎

Economy
Extraction / Refinery
Government
Corporate
Allegiance
Federation
Star type
Class F star Scoopable
Coordinates
71.81 / 51 / -20.59
Permit required
No

  • ︎ HR 3991 - Class F star

    Body distance
    -

    Solar masses
    1.5703
    Solar radius
    1.3490

    • ︎ HR 3991 1 - High metal content world

      Body distance
      384 Ls

      Earth masses
      0.9989
      Radius
      6,080 km
      Gravity
      1.10 g
      Surface temperature
      439 K (165°C/330°F)
      Surface pressure
      1.64 atm
      Volcanism
      Major Rocky magma
      Atmosphere
      Sulphur dioxide
      Terraforming

    • ︎ HR 3991 2 - High metal content world

      Body distance
      672 Ls

      Earth masses
      0.2057
      Radius
      3,742 km
      Gravity
      0.60 g
      Surface temperature
      318 K (45°C/114°F)
      Surface pressure
      0.22 atm
      Volcanism
      Atmosphere
      Sulphur dioxide
      Terraforming

    • ︎ HR 3991 3 - High metal content world

      Body distance
      1,967 Ls

      Earth masses
      1.4239
      Radius
      6,752 km
      Gravity
      1.27 g
      Surface temperature
      204 K (-69°C/-92°F)
      Surface pressure
      1.91 atm
      Volcanism
      Minor Silicate vapour geysers
      Atmosphere
      Nitrogen
      Terraforming

    • ︎ HR 3991 4 - Rocky ice world

      Body distance
      2,752 Ls

      Earth masses
      1.1701
      Radius
      7,036 km
      Gravity
      0.96 g
      Surface temperature
      392 K (118°C/245°F)
      Surface pressure
      1,493.01 atm
      Volcanism
      Major Rocky magma
      Atmosphere
      Thick Ammonia-rich
      Terraforming

      • ︎ HR 3991 4 a - Icy body

        Body distance
        2,753 Ls

        Earth masses
        0.0604
        Radius
        3,146 km
        Gravity
        0.25 g
        Surface temperature
        330 K (57°C/134°F)
        Surface pressure
        19.79 atm
        Volcanism
        Atmosphere
        Thick Carbon dioxide
        Terraforming

    • ︎ HR 3991 5 - Rocky ice world

      Body distance
      3,714 Ls

      Earth masses
      0.8765
      Radius
      6,496 km
      Gravity
      0.84 g
      Surface temperature
      346 K (73°C/164°F)
      Surface pressure
      1,143.74 atm
      Volcanism
      Rocky magma
      Atmosphere
      Thick Methane-rich
      Terraforming

    • ︎ HR 3991 6 - Rocky ice world

      Body distance
      4,713 Ls

      Earth masses
      0.6101
      Radius
      5,820 km
      Gravity
      0.73 g
      Surface temperature
      108 K (-165°C/-266°F)
      Surface pressure
      1.85 atm
      Volcanism
      Atmosphere
      Argon-rich
      Terraforming