Star system
HIP 21745
Economy
Government
Allegiance
Independent
Star type
Class F star Scoopable
Coordinates
120.75 / -254.69 / -496.84
Permit required
No
Powerplay
Unoccupied
Powers
︎ HIP 21745 - Class F star
Body distance-Solar masses1.1641Solar radius1.0790︎ HIP 21745 1 f - Rocky body Landable
Body distance2,208 LsEarth masses0.0056Radius1,245 kmGravity0.15 gSurface temperature176 K (-97°C/-142°F)Surface pressure0.04 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.5%︎ Tungsten: 1.0%︎ Chromium: 8.5%︎ Germanium: 5.5%︎ Zinc: 5.2%︎ Carbon: 15.4%︎ Iron: 19.0%︎ Nickel: 14.3%︎ Phosphorus: 9.9%︎ Sulphur: 18.3%︎ HIP 21745 1 d - Rocky body Landable
Body distance2,217 LsEarth masses0.0097Radius1,484 kmGravity0.18 gSurface temperature181 K (-92°C/-133°F)Surface pressure0.06 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Polonium: 0.5%︎ Mercury: 0.9%︎ Tin: 1.2%︎ Manganese: 8.4%︎ Vanadium: 5.0%︎ Zirconium: 2.4%︎ Carbon: 16.3%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.4%︎ Sulphur: 19.4%︎ HIP 21745 1 d a - Rocky body
Body distance2,238 LsEarth masses0.0008Radius653 kmGravity0.07 gSurface temperature239 K (-34°C/-29°F)Surface pressure1.05 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ HIP 21745 1 c - Rocky body Landable
Body distance2,222 LsEarth masses0.0051Radius1,202 kmGravity0.14 gSurface temperature175 K (-98°C/-144°F)Surface pressure0.04 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Ruthenium: 1.3%︎ Selenium: 3.1%︎ Molybdenum: 1.4%︎ Niobium: 1.4%︎ Germanium: 6.0%︎ Zirconium: 2.4%︎ Carbon: 16.9%︎ Iron: 20.8%︎ Nickel: 15.7%︎ Phosphorus: 10.8%︎ Sulphur: 20.1%︎ HIP 21745 1 e - Rocky body Landable
Body distance2,236 LsEarth masses0.0086Radius1,430 kmGravity0.17 gSurface temperature180 K (-93°C/-135°F)Surface pressure0.05 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Tellurium: 1.4%︎ Niobium: 1.3%︎ Tungsten: 1.0%︎ Chromium: 8.4%︎ Manganese: 7.7%︎ Vanadium: 4.6%︎ Carbon: 15.2%︎ Iron: 18.7%︎ Nickel: 14.1%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ HIP 21745 1 a - Rocky body
Body distance2,242 LsEarth masses0.0045Radius1,154 kmGravity0.14 gSurface temperature278 K (5°C/41°F)Surface pressure3.59 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ HIP 21745 1 b - Rocky body
Body distance2,242 LsEarth masses0.0031Radius1,023 kmGravity0.12 gSurface temperature266 K (-7°C/19°F)Surface pressure2.71 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ HIP 21745 2 - Class III gas giant
Body distance3,024 LsRing/belt typeMetallic (Pristine)
Rocky (Pristine)Earth masses2,624.0400Radius70,602 kmGravity21.40 gSurface temperature687 K (414°C/777°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 21745 2 e - Rocky body Landable
Body distance2,931 LsEarth masses0.0122Radius1,603 kmGravity0.19 gSurface temperature156 K (-117°C/-179°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.4%︎ Niobium: 1.3%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.0%︎ Iron: 18.4%︎ Nickel: 13.9%︎ Phosphorus: 9.6%︎ Sulphur: 17.8%︎ HIP 21745 2 d - Rocky body Landable
Body distance2,943 LsEarth masses0.0073Radius1,356 kmGravity0.16 gSurface temperature168 K (-105°C/-157°F)Surface pressure0.00 atmVolcanismAtmosphereThin AmmoniaTerraforming︎ Ruthenium: 1.2%︎ Mercury: 0.8%︎ Niobium: 1.3%︎ Arsenic: 2.5%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Carbon: 15.6%︎ Iron: 19.2%︎ Nickel: 14.5%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ HIP 21745 2 f - Rocky body Landable
Body distance3,004 LsEarth masses0.0108Radius1,543 kmGravity0.18 gSurface temperature185 K (-88°C/-126°F)Surface pressure0.06 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Yttrium: 1.1%︎ Mercury: 0.8%︎ Niobium: 1.3%︎ Chromium: 8.4%︎ Manganese: 7.7%︎ Zinc: 5.1%︎ Carbon: 15.2%︎ Iron: 18.6%︎ Nickel: 14.1%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ HIP 21745 2 a - Rocky body Landable
Body distance3,015 LsEarth masses0.0011Radius722 kmGravity0.08 gSurface temperature191 K (-82°C/-116°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.7%︎ Cadmium: 1.5%︎ Molybdenum: 1.3%︎ Manganese: 8.0%︎ Vanadium: 4.8%︎ Zinc: 5.3%︎ Carbon: 15.7%︎ Iron: 19.4%︎ Nickel: 14.6%︎ Phosphorus: 10.1%︎ Sulphur: 18.7%︎ HIP 21745 2 b - Rocky body Landable
Body distance3,016 LsEarth masses0.0015Radius797 kmGravity0.09 gSurface temperature182 K (-91°C/-131°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.0%︎ Yttrium: 1.2%︎ Mercury: 0.9%︎ Niobium: 1.3%︎ Chromium: 8.8%︎ Germanium: 5.6%︎ Carbon: 15.9%︎ Iron: 19.5%︎ Nickel: 14.8%︎ Phosphorus: 10.2%︎ Sulphur: 18.9%︎ HIP 21745 2 c - Rocky body Landable
Body distance3,032 LsEarth masses0.0013Radius759 kmGravity0.09 gSurface temperature175 K (-98°C/-145°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Molybdenum: 1.2%︎ Tin: 1.1%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.0%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.6%︎ Sulphur: 17.9%︎ HIP 21745 3 - Water giant
Body distance3,259 LsEarth masses99.7719Radius24,052 kmGravity7.01 gSurface temperature177 K (-96°C/-141°F)Surface pressure40,216,925.73 atmVolcanismAtmosphereTerraforming︎ HIP 21745 1 - Class Y star (brown dwarf)
Body distance2,218 LsSolar masses0.0117Solar radius0.0624