Star system
HIP 21455
Economy
Agriculture / Industrial
Government
Dictatorship
Allegiance
Empire
Star type
Class K star Scoopable
Coordinates
109.91 / -74.09 / 52.97
Permit required
No
︎ HIP 21455 A - Class K star
Body distance-Solar masses0.7344Solar radius0.8034︎ HIP 21455 A 1 - Gas giant with ammonia-based life
Body distance1,930 LsRing/belt typeIcy (Major)
Rocky (Major)Earth masses197.6840Radius68,017 kmGravity1.74 gSurface temperature114 K (-159°C/-254°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 21455 A 1 f - Icy body Landable
Body distance1,926 LsEarth masses0.0022Radius1,145 kmGravity0.07 gSurface temperature86 K (-187°C/-305°F)Surface pressure0.00 atmVolcanismMinor Carbon dioxide geysersAtmosphereTerraforming︎ Yttrium: 0.7%︎ Niobium: 0.8%︎ Tungsten: 0.7%︎ Chromium: 5.4%︎ Manganese: 5.0%︎ Zirconium: 1.4%︎ Carbon: 22.9%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.7%︎ Sulphur: 27.3%︎ HIP 21455 A 1 a - Icy body Landable
Body distance1,929 LsEarth masses0.0009Radius854 kmGravity0.05 gSurface temperature90 K (-183°C/-298°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Antimony: 0.7%︎ Selenium: 4.2%︎ Molybdenum: 0.8%︎ Tin: 0.7%︎ Chromium: 5.3%︎ Zinc: 3.2%︎ Carbon: 22.7%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.5%︎ Sulphur: 26.9%︎ HIP 21455 A 1 c - Icy body Landable
Body distance1,930 LsEarth masses0.0057Radius1,568 kmGravity0.09 gSurface temperature87 K (-187°C/-304°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Selenium: 4.2%︎ Yttrium: 0.7%︎ Cadmium: 0.9%︎ Niobium: 0.8%︎ Chromium: 5.4%︎ Vanadium: 3.0%︎ Carbon: 22.5%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.4%︎ Sulphur: 26.8%︎ HIP 21455 A 1 d - Icy body Landable
Body distance1,930 LsEarth masses0.0010Radius872 kmGravity0.05 gSurface temperature87 K (-187°C/-304°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Selenium: 4.4%︎ Tellurium: 0.9%︎ Mercury: 0.5%︎ Niobium: 0.8%︎ Arsenic: 1.6%︎ Zinc: 3.4%︎ Carbon: 23.5%︎ Iron: 12.3%︎ Nickel: 9.3%︎ Phosphorus: 15.1%︎ Sulphur: 28.0%︎ HIP 21455 A 1 b - Icy body Landable
Body distance1,931 LsEarth masses0.0016Radius1,036 kmGravity0.06 gSurface temperature89 K (-184°C/-300°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Antimony: 0.7%︎ Cadmium: 0.9%︎ Molybdenum: 0.8%︎ Chromium: 5.4%︎ Germanium: 3.5%︎ Zinc: 3.2%︎ Carbon: 22.8%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.6%︎ Sulphur: 27.1%︎ HIP 21455 A 1 e - Icy body Landable
Body distance1,935 LsEarth masses0.0023Radius1,164 kmGravity0.07 gSurface temperature86 K (-187°C/-305°F)Surface pressure0.00 atmVolcanismMinor Carbon dioxide geysersAtmosphereTerraforming︎ Tellurium: 0.9%︎ Molybdenum: 0.8%︎ Tin: 0.7%︎ Arsenic: 1.6%︎ Germanium: 3.6%︎ Zinc: 3.4%︎ Carbon: 23.7%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 15.2%︎ Sulphur: 28.2%︎ HIP 21455 A 2 - Class I gas giant
Body distance2,642 LsEarth masses64.9447Radius53,382 kmGravity0.93 gSurface temperature85 K (-188°C/-306°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 21455 A 2 b - Icy body
Body distance2,640 LsEarth masses0.0015Radius1,019 kmGravity0.06 gSurface temperature197 K (-76°C/-104°F)Surface pressure17.43 atmVolcanismCarbon dioxide geysersAtmosphereThick MethaneTerraforming︎ HIP 21455 A 2 a - Icy body Landable
Body distance2,643 LsEarth masses0.0010Radius885 kmGravity0.05 gSurface temperature73 K (-200°C/-328°F)Surface pressure0.00 atmVolcanismMinor Carbon dioxide geysersAtmosphereTerraforming︎ Polonium: 0.3%︎ Tin: 0.7%︎ Tungsten: 0.7%︎ Manganese: 5.1%︎ Vanadium: 3.0%︎ Zinc: 3.3%︎ Carbon: 23.1%︎ Iron: 12.3%︎ Nickel: 9.3%︎ Phosphorus: 14.8%︎ Sulphur: 27.4%︎ HIP 21455 A 2 c - Icy body
Body distance2,643 LsEarth masses0.0003Radius616 kmGravity0.04 gSurface temperature174 K (-99°C/-146°F)Surface pressure6.26 atmVolcanismMajor Water geysersAtmosphereThick MethaneTerraforming︎ HIP 21455 A 2 d - Icy body
Body distance2,646 LsEarth masses0.0008Radius813 kmGravity0.05 gSurface temperature109 K (-164°C/-263°F)Surface pressure0.11 atmVolcanismAtmosphereMethaneTerraforming︎ HIP 21455 B - Class M star
Body distance115,419 LsSolar masses0.4141Solar radius0.5350︎ HIP 21455 B 5 - Icy body
Body distance112,727 LsEarth masses1.0587Radius7,930 kmGravity0.68 gSurface temperature46 K (-227°C/-377°F)Surface pressure0.22 atmVolcanismMajor Water magmaAtmosphereNeon-richTerraforming︎ HIP 21455 B 4 - Icy body
Body distance112,852 LsEarth masses2.3074Radius9,934 kmGravity0.95 gSurface temperature46 K (-227°C/-377°F)Surface pressure0.45 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ HIP 21455 B 2 - High metal content world
Body distance115,139 LsEarth masses2.0264Radius7,625 kmGravity1.42 gSurface temperature583 K (309°C/589°F)Surface pressure1,437.87 atmVolcanismMajor Rocky magmaAtmosphereHot Thick Methane-richTerraforming︎ HIP 21455 B 6 - Icy body
Body distance115,208 LsEarth masses1.4079Radius8,632 kmGravity0.77 gSurface temperature40 K (-233°C/-388°F)Surface pressure0.28 atmVolcanismMinor Carbon dioxide geysersAtmosphereNeon-richTerraforming︎ HIP 21455 B 1 - Earth-like world
Body distance115,306 LsEarth masses1.3591Radius6,677 kmGravity1.24 gSurface temperature289 K (16°C/60°F)Surface pressure2.31 atmVolcanismAtmosphereSuitable for water-based lifeTerraformingTerraformed︎ HIP 21455 B 3 - Icy body
Body distance115,970 LsEarth masses3.3146Radius11,055 kmGravity1.10 gSurface temperature75 K (-198°C/-324°F)Surface pressure0.19 atmVolcanismMajor Water geysersAtmosphereNeon-richTerraforming