Star system
HIP 12921
Economy
Terraforming / Extraction
Government
Communism
Allegiance
Independent
Star type
Class G star Scoopable
Coordinates
152.84 / -111.44 / 87.16
Permit required
No
︎ HIP 12921 A - Class G star
Body distance-Solar masses0.8047Solar radius0.8635︎ HIP 12921 A 1 - High metal content world
Body distance331 LsEarth masses0.4057Radius4,630 kmGravity0.77 gSurface temperature269 K (-4°C/25°F)Surface pressure2.42 atmVolcanismAtmosphereNitrogenTerraformingTerraforming︎ HIP 12921 A 2 - High metal content world
Body distance332 LsEarth masses0.7195Radius5,506 kmGravity0.96 gSurface temperature709 K (436°C/816°F)Surface pressure117.31 atmVolcanismAtmosphereHot Thick Carbon dioxideTerraformingTerraformable︎ HIP 12921 A 3 - High metal content world
Body distance794 LsEarth masses0.8590Radius5,812 kmGravity1.03 gSurface temperature395 K (121°C/250°F)Surface pressure14.16 atmVolcanismAtmosphereThick Methane-richTerraforming︎ HIP 12921 A 4 - Icy body
Body distance1,648 LsEarth masses0.9786Radius7,644 kmGravity0.68 gSurface temperature306 K (33°C/91°F)Surface pressure1,805.62 atmVolcanismMinor Carbon dioxide geysersAtmosphereThick Methane-richTerraforming︎ HIP 12921 A 5 - Icy body
Body distance1,653 LsEarth masses0.6491Radius6,749 kmGravity0.58 gSurface temperature140 K (-133°C/-208°F)Surface pressure1,215.69 atmVolcanismAtmosphereThick NitrogenTerraforming︎ HIP 12921 A 7 - Icy body
Body distance2,440 LsEarth masses1.0419Radius7,789 kmGravity0.70 gSurface temperature84 K (-189°C/-308°F)Surface pressure1.48 atmVolcanismMinor Carbon dioxide geysersAtmosphereArgon-richTerraforming︎ HIP 12921 A 6 - Icy body
Body distance2,452 LsEarth masses1.1895Radius8,104 kmGravity0.74 gSurface temperature390 K (117°C/242°F)Surface pressure3,683.77 atmVolcanismMinor Carbon dioxide geysersAtmosphereThick Methane-richTerraforming︎ HIP 12921 A 8 - Icy body
Body distance3,821 LsEarth masses5.9395Radius12,959 kmGravity1.44 gSurface temperature68 K (-205°C/-336°F)Surface pressure1.13 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ HIP 12921 A 9 - Icy body
Body distance6,722 LsEarth masses3.2371Radius10,970 kmGravity1.09 gSurface temperature52 K (-221°C/-366°F)Surface pressure0.62 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ HIP 12921 A 10 - Icy body
Body distance9,340 LsEarth masses4.1363Radius11,745 kmGravity1.22 gSurface temperature46 K (-227°C/-377°F)Surface pressure0.77 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ HIP 12921 B - Class M star
Body distance203,970 LsSolar masses0.3320Solar radius0.5452︎ HIP 12921 B 5 - Class I gas giant
Body distance201,517 LsEarth masses8.7816Radius25,227 kmGravity0.56 gSurface temperature52 K (-221°C/-367°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 12921 B 5 c - Icy body Landable
Body distance201,516 LsEarth masses0.0002Radius496 kmGravity0.03 gSurface temperature46 K (-227°C/-376°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.7%︎ Molybdenum: 0.8%︎ Tin: 0.7%︎ Chromium: 5.4%︎ Germanium: 3.4%︎ Manganese: 4.9%︎ Carbon: 22.3%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.3%︎ Sulphur: 26.6%︎ HIP 12921 B 5 e - Icy body Landable
Body distance201,516 LsEarth masses0.0002Radius551 kmGravity0.03 gSurface temperature46 K (-227°C/-376°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 0.7%︎ Molybdenum: 0.8%︎ Tin: 0.7%︎ Chromium: 5.4%︎ Manganese: 4.9%︎ Zinc: 3.2%︎ Carbon: 22.4%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.3%︎ Sulphur: 26.6%︎ HIP 12921 B 5 a - Icy body Landable
Body distance203,085 LsEarth masses0.0003Radius606 kmGravity0.04 gSurface temperature46 K (-227°C/-376°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.3%︎ Tellurium: 0.9%︎ Cadmium: 1.0%︎ Molybdenum: 0.8%︎ Arsenic: 1.6%︎ Germanium: 3.6%︎ Carbon: 23.3%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 14.9%︎ Sulphur: 27.7%︎ HIP 12921 B 5 b - Icy body Landable
Body distance203,201 LsEarth masses0.0002Radius488 kmGravity0.03 gSurface temperature46 K (-227°C/-376°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Selenium: 4.3%︎ Molybdenum: 0.8%︎ Niobium: 0.8%︎ Arsenic: 1.6%︎ Chromium: 5.5%︎ Carbon: 22.9%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.7%︎ Sulphur: 27.3%︎ HIP 12921 B 5 d - Icy body Landable
Body distance203,204 LsEarth masses0.0002Radius545 kmGravity0.03 gSurface temperature46 K (-227°C/-376°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.2%︎ Tellurium: 0.9%︎ Molybdenum: 0.8%︎ Tin: 0.7%︎ Chromium: 5.4%︎ Vanadium: 3.0%︎ Carbon: 22.6%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.5%︎ Sulphur: 26.9%︎ HIP 12921 B 1 - Icy body
Body distance204,027 LsEarth masses1.4221Radius8,166 kmGravity0.87 gSurface temperature174 K (-99°C/-147°F)Surface pressure314.65 atmVolcanismWater geysersAtmosphereThick Argon-richTerraforming︎ HIP 12921 B 2 - Icy body
Body distance204,167 LsEarth masses2.0140Radius9,496 kmGravity0.91 gSurface temperature516 K (243°C/470°F)Surface pressure9,474.40 atmVolcanismMajor Water geysersAtmosphereHot Thick MethaneTerraforming︎ HIP 12921 B 3 - Icy body
Body distance204,534 LsEarth masses1.2561Radius8,266 kmGravity0.75 gSurface temperature87 K (-186°C/-303°F)Surface pressure1.08 atmVolcanismMinor Carbon dioxide geysersAtmosphereArgon-richTerraforming︎ HIP 12921 B 4 - Class I gas giant
Body distance205,331 LsRing/belt typeIcy (Common)Earth masses33.8062Radius46,865 kmGravity0.63 gSurface temperature63 K (-211°C/-347°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 12921 B 4 b - Icy body Landable
Body distance202,345 LsEarth masses0.0003Radius611 kmGravity0.04 gSurface temperature55 K (-218°C/-361°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 0.7%︎ Mercury: 0.5%︎ Tin: 0.7%︎ Chromium: 5.4%︎ Manganese: 5.0%︎ Vanadium: 2.9%︎ Carbon: 22.5%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.4%︎ Sulphur: 26.8%︎ HIP 12921 B 4 d - Icy body Landable
Body distance202,724 LsEarth masses0.0005Radius689 kmGravity0.04 gSurface temperature55 K (-218°C/-361°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.7%︎ Cadmium: 0.9%︎ Molybdenum: 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%︎ HIP 12921 B 4 c - Icy body Landable
Body distance203,613 LsEarth masses0.0023Radius1,166 kmGravity0.07 gSurface temperature55 K (-218°C/-361°F)Surface pressure0.00 atmVolcanismAtmosphereThin ArgonTerraforming︎ Selenium: 4.2%︎ Tellurium: 0.9%︎ Cadmium: 0.9%︎ Niobium: 0.8%︎ Chromium: 5.4%︎ Germanium: 3.4%︎ Carbon: 22.3%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.3%︎ Sulphur: 26.6%︎ HIP 12921 B 4 a - Icy body Landable
Body distance205,332 LsEarth masses0.0005Radius684 kmGravity0.04 gSurface temperature55 K (-218°C/-361°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Cadmium: 0.9%︎ Niobium: 0.8%︎ Chromium: 5.4%︎ Manganese: 5.0%︎ Vanadium: 3.0%︎ Carbon: 22.3%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.3%︎ Sulphur: 26.5%︎ HIP 12921 B 4 e - Icy body Landable
Body distance205,339 LsEarth masses0.0006Radius758 kmGravity0.04 gSurface temperature55 K (-219°C/-361°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Selenium: 4.2%︎ Cadmium: 0.9%︎ Tungsten: 0.7%︎ Manganese: 5.0%︎ Zinc: 3.3%︎ Carbon: 22.6%︎ Iron: 12.1%︎ Nickel: 9.1%︎ Phosphorus: 14.5%︎ Sulphur: 26.9%