Star system
HIP 21280
Economy
Agriculture / Industrial
Government
Cooperative
Allegiance
Independent
Star type
Class K star (orange giant) Scoopable
Coordinates
4.78 / -48.31 / -126.84
Permit required
No
Powerplay
Fortified
Powers
Li Yong-Rui (Controlling)
︎ HIP 21280 A - Class K star (orange giant)
Body distance-Solar masses0.6055Solar radius0.7718︎ HIP 21280 B - Class M star
Body distance2,013 LsSolar masses0.2500Solar radius0.4364︎ HIP 21280 B 5 - High metal content world Landable
Body distance1,886 LsEarth masses0.0818Radius2,796 kmGravity0.43 gSurface temperature242 K (-32°C/-25°F)Surface pressure0.00 atmVolcanismAtmosphereThin Sulphur dioxideTerraformingTerraformable︎ Tellurium: 1.2%︎ Niobium: 1.5%︎ Tin: 1.4%︎ Arsenic: 2.0%︎ Chromium: 9.8%︎ Manganese: 9.0%︎ Carbon: 13.1%︎ Iron: 21.7%︎ Nickel: 16.4%︎ Phosphorus: 8.4%︎ Sulphur: 15.6%︎ HIP 21280 B 4 - Water world
Body distance1,925 LsEarth masses0.2846Radius4,140 kmGravity0.68 gSurface temperature337 K (64°C/147°F)Surface pressure1.24 atmVolcanismAtmosphereNitrogenTerraformingTerraforming︎ HIP 21280 B 4 a - Rocky body
Body distance1,925 LsEarth masses0.0092Radius1,448 kmGravity0.18 gSurface temperature568 K (295°C/563°F)Surface pressure1.05 atmVolcanismAtmosphereHot WaterTerraforming︎ HIP 21280 B 3 - High metal content world Landable
Body distance1,962 LsEarth masses0.1335Radius3,268 kmGravity0.51 gSurface temperature289 K (16°C/61°F)Surface pressure0.00 atmVolcanismAtmosphereThin Sulphur dioxideTerraforming︎ Tellurium: 1.1%︎ Cadmium: 1.6%︎ Tin: 1.4%︎ Chromium: 9.4%︎ Manganese: 8.7%︎ Vanadium: 5.1%︎ Carbon: 12.7%︎ Iron: 21.0%︎ Nickel: 15.8%︎ Phosphorus: 8.1%︎ Sulphur: 15.1%︎ HIP 21280 B 1 - High metal content world
Body distance1,990 LsEarth masses0.6770Radius5,416 kmGravity0.94 gSurface temperature747 K (473°C/884°F)Surface pressure2.06 atmVolcanismAtmosphereHot Sulphur dioxideTerraforming︎ HIP 21280 B 2 - High metal content world Landable
Body distance2,005 LsEarth masses0.1903Radius3,654 kmGravity0.58 gSurface temperature360 K (87°C/188°F)Surface pressure0.01 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Yttrium: 1.4%︎ Mercury: 1.0%︎ Molybdenum: 1.5%︎ Germanium: 5.0%︎ Zinc: 6.4%︎ Zirconium: 2.7%︎ Carbon: 14.3%︎ Iron: 23.6%︎ Nickel: 17.9%︎ Phosphorus: 9.1%︎ Sulphur: 17.0%︎ HIP 21280 B 2 a - Rocky body Landable
Body distance1,967 LsEarth masses0.0021Radius887 kmGravity0.11 gSurface temperature323 K (49°C/121°F)Surface pressure0.00 atmVolcanismMinor Silicate vapour geysersAtmosphereTerraforming︎ Ruthenium: 1.3%︎ Tin: 1.3%︎ Tungsten: 1.2%︎ Arsenic: 2.5%︎ Manganese: 8.7%︎ Zirconium: 2.5%︎ Carbon: 16.1%︎ Iron: 21.1%︎ Nickel: 16.0%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ HIP 21280 B 6 - High metal content world Landable
Body distance2,199 LsEarth masses0.1931Radius3,673 kmGravity0.58 gSurface temperature255 K (-18°C/-1°F)Surface pressure0.01 atmVolcanismAtmosphereThin Carbon dioxideTerraformingTerraformable︎ Ruthenium: 1.4%︎ Niobium: 1.6%︎ Tin: 1.5%︎ Germanium: 4.8%︎ Vanadium: 5.6%︎ Zinc: 6.2%︎ Carbon: 13.8%︎ Iron: 22.8%︎ Nickel: 17.2%︎ Phosphorus: 8.8%︎ Sulphur: 16.4%︎ HIP 21280 AB 1 - Class I gas giant
Body distance3,385 LsEarth masses97.9527Radius57,573 kmGravity1.20 gSurface temperature91 K (-183°C/-297°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 21280 AB 1 h - Icy body Landable
Body distance3,391 LsEarth masses0.0028Radius1,245 kmGravity0.07 gSurface temperature74 K (-199°C/-326°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 0.9%︎ Cadmium: 0.9%︎ Tin: 0.7%︎ Germanium: 3.5%︎ Manganese: 5.0%︎ Vanadium: 3.0%︎ Carbon: 22.9%︎ Iron: 12.1%︎ Nickel: 9.1%︎ Phosphorus: 14.7%︎ Sulphur: 27.2%︎ HIP 21280 AB 1 g - Icy body Landable
Body distance3,410 LsEarth masses0.0025Radius1,195 kmGravity0.07 gSurface temperature74 K (-199°C/-326°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.7%︎ Selenium: 4.2%︎ Cadmium: 0.9%︎ Tin: 0.7%︎ Manganese: 5.0%︎ Vanadium: 2.9%︎ Carbon: 22.8%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.6%︎ Sulphur: 27.1%︎ HIP 21280 AB 1 e - Icy body Landable
Body distance3,417 LsEarth masses0.0018Radius1,073 kmGravity0.06 gSurface temperature74 K (-199°C/-326°F)Surface pressure0.00 atmVolcanismMinor Nitrogen magmaAtmosphereTerraforming︎ Selenium: 4.3%︎ Tellurium: 0.9%︎ Niobium: 0.8%︎ Tin: 0.7%︎ Chromium: 5.5%︎ Zirconium: 1.4%︎ Carbon: 23.0%︎ Iron: 12.1%︎ Nickel: 9.2%︎ Phosphorus: 14.7%︎ Sulphur: 27.4%︎ HIP 21280 AB 1 a - Icy body Landable
Body distance3,423 LsEarth masses0.0018Radius1,065 kmGravity0.06 gSurface temperature75 K (-198°C/-325°F)Surface pressure0.00 atmVolcanismMinor Methane magmaAtmosphereTerraforming︎ Antimony: 0.8%︎ Cadmium: 1.0%︎ Molybdenum: 0.8%︎ Arsenic: 1.6%︎ Vanadium: 3.1%︎ Zinc: 3.4%︎ Carbon: 23.8%︎ Iron: 12.5%︎ Nickel: 9.5%︎ Phosphorus: 15.2%︎ Sulphur: 28.3%︎ HIP 21280 AB 1 c - Icy body Landable
Body distance3,424 LsEarth masses0.0011Radius909 kmGravity0.05 gSurface temperature75 K (-199°C/-325°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.3%︎ Mercury: 0.5%︎ Niobium: 0.8%︎ Germanium: 3.5%︎ Manganese: 5.0%︎ Zinc: 3.3%︎ Carbon: 23.0%︎ Iron: 12.1%︎ Nickel: 9.2%︎ Phosphorus: 14.7%︎ Sulphur: 27.4%︎ HIP 21280 AB 1 f - Icy body Landable
Body distance3,432 LsEarth masses0.0020Radius1,104 kmGravity0.07 gSurface temperature74 K (-199°C/-326°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.8%︎ Selenium: 4.4%︎ Molybdenum: 0.8%︎ Niobium: 0.8%︎ Arsenic: 1.6%︎ Zinc: 3.4%︎ Carbon: 23.5%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 15.0%︎ Sulphur: 27.9%︎ HIP 21280 AB 1 d - Icy body Landable
Body distance3,464 LsEarth masses0.0035Radius1,337 kmGravity0.08 gSurface temperature74 K (-199°C/-326°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 0.9%︎ Cadmium: 0.9%︎ Niobium: 0.8%︎ Germanium: 3.5%︎ Manganese: 5.0%︎ Vanadium: 3.0%︎ Carbon: 22.7%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.5%︎ Sulphur: 27.0%︎ HIP 21280 AB 1 b - Icy body Landable
Body distance3,491 LsEarth masses0.0025Radius1,188 kmGravity0.07 gSurface temperature75 K (-198°C/-325°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.2%︎ Technetium: 0.4%︎ Molybdenum: 0.8%︎ Tin: 0.7%︎ Manganese: 5.0%︎ Vanadium: 3.0%︎ Carbon: 22.8%︎ Iron: 12.1%︎ Nickel: 9.2%︎ Phosphorus: 14.6%︎ Sulphur: 27.1%︎ HIP 21280 AB 2 - Icy body
Body distance4,708 LsRing/belt typeIcy (Pristine)Earth masses15.0666Radius16,443 kmGravity2.26 gSurface temperature64 K (-209°C/-345°F)Surface pressure2.69 atmVolcanismWater geysersAtmosphereHeliumTerraforming︎ HIP 21280 AB 3 - Icy body
Body distance14,464 LsEarth masses1.0900Radius7,713 kmGravity0.74 gSurface temperature38 K (-236°C/-392°F)Surface pressure0.22 atmVolcanismMinor Carbon dioxide geysersAtmosphereNeon-richTerraforming