Star system
HIP 21251
Economy
Government
Allegiance
Independent
Star type
Class B star Scoopable
Coordinates
-2.09 / -143.66 / -413.59
Permit required
No
Powerplay
Unoccupied
Powers
︎ HIP 21251 A - Class B star
Body distance-Solar masses9.7070Solar radius4.5347︎ HIP 21251 A 2 - Class III gas giant
Body distance1,960 LsEarth masses355.7760Radius72,778 kmGravity2.73 gSurface temperature406 K (132°C/270°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 21251 A 1 - Class III gas giant
Body distance1,963 LsEarth masses1,766.0100Radius73,321 kmGravity13.35 gSurface temperature660 K (387°C/729°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 21251 A 3 - High metal content world
Body distance1,991 LsEarth masses1.3446Radius6,648 kmGravity1.24 gSurface temperature1,066 K (793°C/1,459°F)Surface pressure212.93 atmVolcanismMinor Silicate vapour geysersAtmosphereHot Thick Carbon dioxideTerraforming︎ HIP 21251 A 5 - Class III gas giant
Body distance2,608 LsRing/belt typeRocky (Pristine)Earth masses27.3231Radius33,860 kmGravity0.97 gSurface temperature285 K (12°C/53°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 21251 A 5 c - Rocky body Landable
Body distance2,577 LsEarth masses0.0007Radius632 kmGravity0.07 gSurface temperature289 K (15°C/60°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Selenium: 2.9%︎ Molybdenum: 1.2%︎ Tin: 1.1%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.6%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ HIP 21251 A 5 b - Rocky body Landable
Body distance2,593 LsEarth masses0.0005Radius565 kmGravity0.07 gSurface temperature289 K (16°C/60°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.1%︎ Cadmium: 1.4%︎ Niobium: 1.3%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Zinc: 5.0%︎ Carbon: 15.2%︎ Iron: 18.4%︎ Nickel: 13.9%︎ Phosphorus: 9.7%︎ Sulphur: 18.1%︎ HIP 21251 A 5 a - Rocky body Landable
Body distance2,608 LsEarth masses0.0004Radius533 kmGravity0.06 gSurface temperature289 K (16°C/60°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Selenium: 3.0%︎ Niobium: 1.3%︎ Tin: 1.2%︎ Chromium: 8.8%︎ Vanadium: 4.8%︎ Carbon: 16.1%︎ Iron: 19.5%︎ Nickel: 14.7%︎ Phosphorus: 10.3%︎ Sulphur: 19.2%︎ HIP 21251 A 4 - Class III gas giant
Body distance2,634 LsRing/belt typeRocky (Pristine)Earth masses1,945.6000Radius72,594 kmGravity15.01 gSurface temperature656 K (382°C/720°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 21251 A 4 d - Rocky body Landable
Body distance2,626 LsEarth masses0.0263Radius2,063 kmGravity0.25 gSurface temperature307 K (34°C/94°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.1%︎ Molybdenum: 1.2%︎ Tungsten: 1.0%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.2%︎ Iron: 18.4%︎ Nickel: 13.9%︎ Phosphorus: 9.8%︎ Sulphur: 18.1%︎ HIP 21251 A 4 b - Rocky body Landable
Body distance2,633 LsEarth masses0.0293Radius2,137 kmGravity0.26 gSurface temperature371 K (98°C/208°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Selenium: 3.0%︎ Niobium: 1.3%︎ Tin: 1.2%︎ Germanium: 5.6%︎ Manganese: 8.0%︎ Carbon: 16.1%︎ Iron: 19.4%︎ Nickel: 14.7%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ HIP 21251 A 4 a - Rocky body Landable
Body distance2,633 LsEarth masses0.0436Radius2,430 kmGravity0.30 gSurface temperature371 K (98°C/208°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Selenium: 3.1%︎ Yttrium: 1.2%︎ Mercury: 0.9%︎ Molybdenum: 1.3%︎ Germanium: 5.8%︎ Zinc: 5.5%︎ Carbon: 16.6%︎ Iron: 20.1%︎ Nickel: 15.2%︎ Phosphorus: 10.6%︎ Sulphur: 19.8%︎ HIP 21251 A 4 c - Rocky body
Body distance2,635 LsEarth masses0.0368Radius2,300 kmGravity0.28 gSurface temperature345 K (72°C/161°F)Surface pressure0.00 atmVolcanismRocky magmaAtmosphereSulphur dioxideTerraforming︎ HIP 21251 A 7 - High metal content world
Body distance3,173 LsEarth masses11.3183Radius11,854 kmGravity3.27 gSurface temperature2,012 K (1,739°C/3,162°F)Surface pressure28,887.34 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick WaterTerraforming︎ HIP 21251 A 6 d - Rocky body Landable
Body distance3,256 LsEarth masses0.0191Radius1,860 kmGravity0.23 gSurface temperature283 K (10°C/51°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Mercury: 0.9%︎ Molybdenum: 1.3%︎ Arsenic: 2.6%︎ Germanium: 5.9%︎ Vanadium: 5.0%︎ Carbon: 16.9%︎ Iron: 20.4%︎ Nickel: 15.4%︎ Phosphorus: 10.8%︎ Sulphur: 20.1%︎ HIP 21251 A 6 a - Rocky body Landable
Body distance3,265 LsEarth masses0.0035Radius1,067 kmGravity0.13 gSurface temperature317 K (44°C/112°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Antimony: 1.1%︎ Molybdenum: 1.2%︎ Tin: 1.1%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Zinc: 5.0%︎ Carbon: 15.3%︎ Iron: 18.4%︎ Nickel: 14.0%︎ Phosphorus: 9.8%︎ Sulphur: 18.2%︎ HIP 21251 A 6 b - Rocky body Landable
Body distance3,266 LsEarth masses0.0068Radius1,325 kmGravity0.16 gSurface temperature306 K (33°C/91°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.1%︎ Technetium: 0.7%︎ Niobium: 1.4%︎ Tin: 1.2%︎ Vanadium: 5.0%︎ Zinc: 5.5%︎ Carbon: 16.7%︎ Iron: 20.3%︎ Nickel: 15.4%︎ Phosphorus: 10.7%︎ Sulphur: 19.9%︎ HIP 21251 A 6 - Class Y star (brown dwarf)
Body distance3,266 LsSolar masses0.0195Solar radius0.0929︎ HIP 21251 A 6 c - Rocky body Landable
Body distance3,272 LsEarth masses0.0127Radius1,628 kmGravity0.19 gSurface temperature296 K (23°C/73°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Chromium: 8.8%︎ Germanium: 5.7%︎ Zirconium: 2.3%︎ Carbon: 16.2%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%︎ HIP 21251 A 8 a - Rocky body Landable
Body distance5,003 LsEarth masses0.0137Radius1,665 kmGravity0.20 gSurface temperature245 K (-28°C/-19°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 2.9%︎ Tellurium: 1.4%︎ Cadmium: 1.5%︎ Molybdenum: 1.2%︎ Chromium: 8.4%︎ Manganese: 7.7%︎ Carbon: 15.5%︎ Iron: 18.7%︎ Nickel: 14.2%︎ Phosphorus: 9.9%︎ Sulphur: 18.5%︎ HIP 21251 A 8 g - Rocky body Landable
Body distance5,076 LsEarth masses0.0121Radius1,601 kmGravity0.19 gSurface temperature215 K (-58°C/-73°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Niobium: 1.3%︎ Tin: 1.1%︎ Chromium: 8.5%︎ Germanium: 5.5%︎ Vanadium: 4.7%︎ Carbon: 15.7%︎ Iron: 19.0%︎ Nickel: 14.3%︎ Phosphorus: 10.1%︎ Sulphur: 18.7%︎ HIP 21251 A 8 d - Rocky body Landable
Body distance5,078 LsEarth masses0.0172Radius1,797 kmGravity0.22 gSurface temperature225 K (-48°C/-55°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Mercury: 0.8%︎ Tin: 1.1%︎ Chromium: 8.6%︎ Germanium: 5.6%︎ Vanadium: 4.7%︎ Carbon: 15.9%︎ Iron: 19.2%︎ Nickel: 14.5%︎ Phosphorus: 10.2%︎ Sulphur: 18.9%︎ HIP 21251 A 8 c - Rocky body Landable
Body distance5,079 LsEarth masses0.0142Radius1,689 kmGravity0.20 gSurface temperature229 K (-44°C/-48°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.0%︎ Technetium: 0.7%︎ Cadmium: 1.5%︎ Niobium: 1.3%︎ Chromium: 8.7%︎ Zinc: 5.3%︎ Carbon: 16.1%︎ Iron: 19.4%︎ Nickel: 14.7%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ HIP 21251 A 8 b - Rocky body Landable
Body distance5,086 LsEarth masses0.0171Radius1,791 kmGravity0.22 gSurface temperature235 K (-38°C/-37°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Niobium: 1.3%︎ Tungsten: 1.0%︎ Chromium: 8.5%︎ Germanium: 5.5%︎ Zinc: 5.2%︎ Carbon: 15.7%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 10.1%︎ Sulphur: 18.7%︎ HIP 21251 A 8 - Class Y star (brown dwarf)
Body distance5,089 LsSolar masses0.0156Solar radius0.0677︎ HIP 21251 A 8 e - Rocky body Landable
Body distance5,102 LsEarth masses0.0119Radius1,592 kmGravity0.19 gSurface temperature221 K (-52°C/-62°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Cadmium: 1.5%︎ Niobium: 1.3%︎ Arsenic: 2.5%︎ Germanium: 5.6%︎ Manganese: 8.0%︎ Carbon: 16.1%︎ Iron: 19.5%︎ Nickel: 14.7%︎ Phosphorus: 10.3%︎ Sulphur: 19.2%︎ HIP 21251 A 8 f - Rocky body Landable
Body distance5,112 LsEarth masses0.0258Radius2,047 kmGravity0.25 gSurface temperature219 K (-54°C/-66°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Selenium: 3.1%︎ Cadmium: 1.6%︎ Niobium: 1.4%︎ Arsenic: 2.6%︎ Manganese: 8.4%︎ Carbon: 16.6%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.6%︎ Sulphur: 19.7%︎ HIP 21251 A 8 f a - Rocky body
Body distance5,112 LsEarth masses0.0024Radius954 kmGravity0.11 gSurface temperature219 K (-54°C/-66°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ HIP 21251 B - Black hole
Body distance82,043 LsSolar masses3.2813Solar radius0.0000