Star system
21 Arietis
Economy
Industrial
Government
Democracy
Allegiance
Independent
Star type
Class A star Scoopable
Coordinates
-76.28 / -92.06 / -116.03
Permit required
No
Powerplay
Exploited
Powers
︎ 21 Arietis - Class A star
Body distance-Solar masses2.0977Solar radius1.5941︎ 21 Arietis A 1 - Metal-rich body
Body distance17 LsEarth masses1.2122Radius5,126 kmGravity1.88 gSurface temperature2,482 K (2,208°C/4,007°F)Surface pressure0.00 atmVolcanismSilicate vapour geysersAtmosphereTerraforming︎ 21 Arietis B - Class Y star (brown dwarf)
Body distance19,995 LsSolar masses0.0078Solar radius0.0226︎ 21 Arietis B 4 - Icy body Landable
Body distance19,944 LsEarth masses0.0126Radius1,942 kmGravity0.14 gSurface temperature82 K (-191°C/-311°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.0%︎ Tin: 1.1%︎ Tungsten: 0.9%︎ Arsenic: 1.6%︎ Vanadium: 4.1%︎ Zinc: 4.5%︎ Carbon: 20.4%︎ Iron: 16.6%︎ Nickel: 12.6%︎ Phosphorus: 13.1%︎ Sulphur: 24.2%︎ 21 Arietis B 3 - Icy body Landable
Body distance19,985 LsEarth masses0.0103Radius1,816 kmGravity0.13 gSurface temperature82 K (-191°C/-311°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.0%︎ Selenium: 3.7%︎ Molybdenum: 1.1%︎ Tungsten: 0.9%︎ Arsenic: 1.5%︎ Manganese: 6.7%︎ Carbon: 20.0%︎ Iron: 16.3%︎ Nickel: 12.3%︎ Phosphorus: 12.8%︎ Sulphur: 23.8%︎ 21 Arietis B 2 - Icy body Landable
Body distance20,000 LsEarth masses0.0074Radius1,630 kmGravity0.11 gSurface temperature82 K (-191°C/-311°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Cadmium: 1.2%︎ Niobium: 1.0%︎ Chromium: 6.9%︎ Manganese: 6.3%︎ Zinc: 4.1%︎ Carbon: 18.7%︎ Iron: 15.3%︎ Nickel: 11.5%︎ Phosphorus: 12.0%︎ Sulphur: 22.3%︎ 21 Arietis B 1 - Icy body Landable
Body distance20,011 LsEarth masses0.0110Radius1,855 kmGravity0.13 gSurface temperature82 K (-191°C/-311°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 0.9%︎ Molybdenum: 1.0%︎ Tin: 1.0%︎ Germanium: 3.3%︎ Manganese: 6.6%︎ Vanadium: 3.9%︎ Carbon: 19.5%︎ Iron: 15.9%︎ Nickel: 12.0%︎ Phosphorus: 12.5%︎ Sulphur: 23.2%︎ 21 Arietis AB 1 - Icy body
Body distance22,039 LsEarth masses7.6623Radius13,167 kmGravity1.80 gSurface temperature63 K (-210°C/-346°F)Surface pressure1.32 atmVolcanismWater geysersAtmosphereHeliumTerraforming