Star system
HIP 21121
Economy
Government
Allegiance
Independent
Star type
Class F star Scoopable
Coordinates
148.97 / -169.47 / -116.28
Permit required
No
Powerplay
Unoccupied
Powers
︎ HIP 21121 A - Class F star
Body distance-Solar masses1.5977Solar radius1.3355︎ HIP 21121 B - Class M star
Body distance22 LsSolar masses0.3203Solar radius0.4523︎ HIP 21121 AB 1 - High metal content world Landable
Body distance170 LsEarth masses0.4534Radius4,787 kmGravity0.80 gSurface temperature655 K (382°C/719°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.9%︎ Cadmium: 1.6%︎ Niobium: 1.4%︎ Chromium: 9.5%︎ Manganese: 8.7%︎ Vanadium: 5.2%︎ Carbon: 12.6%︎ Iron: 21.1%︎ Nickel: 15.9%︎ Phosphorus: 8.1%︎ Sulphur: 15.0%︎ HIP 21121 AB 2 - High metal content world Landable
Body distance255 LsEarth masses0.8320Radius5,746 kmGravity1.02 gSurface temperature536 K (263°C/506°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereTerraforming︎ Tellurium: 1.1%︎ Niobium: 1.4%︎ Tin: 1.4%︎ Chromium: 9.4%︎ Manganese: 8.7%︎ Zinc: 5.7%︎ Carbon: 12.5%︎ Iron: 21.0%︎ Nickel: 15.9%︎ Phosphorus: 8.0%︎ Sulphur: 14.9%︎ HIP 21121 AB 3 - High metal content world Landable
Body distance255 LsEarth masses0.4456Radius4,781 kmGravity0.79 gSurface temperature536 K (263°C/506°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.3%︎ Niobium: 1.5%︎ Tin: 1.5%︎ Manganese: 9.3%︎ Vanadium: 5.5%︎ Zirconium: 2.6%︎ Carbon: 13.7%︎ Iron: 22.5%︎ Nickel: 17.0%︎ Phosphorus: 8.8%︎ Sulphur: 16.3%︎ HIP 21121 AB 4 - High metal content world
Body distance455 LsEarth masses0.2927Radius4,181 kmGravity0.68 gSurface temperature430 K (157°C/315°F)Surface pressure0.47 atmVolcanismAtmosphereSulphur dioxideTerraforming︎ HIP 21121 AB 5 - High metal content world
Body distance609 LsEarth masses0.3845Radius4,550 kmGravity0.75 gSurface temperature381 K (108°C/226°F)Surface pressure0.74 atmVolcanismAtmosphereSulphur dioxideTerraforming︎ HIP 21121 AB 6 - High metal content world
Body distance821 LsEarth masses2.1204Radius7,580 kmGravity1.50 gSurface temperature1,063 K (790°C/1,454°F)Surface pressure319.52 atmVolcanismMinor Metallic magmaAtmosphereHot Thick Carbon dioxideTerraforming︎ HIP 21121 C - Class K star
Body distance7,376 LsSolar masses0.6914Solar radius0.7989︎ HIP 21121 C 1 - High metal content world
Body distance7,311 LsEarth masses0.2967Radius4,198 kmGravity0.68 gSurface temperature487 K (214°C/417°F)Surface pressure0.48 atmVolcanismAtmosphereSulphur dioxideTerraforming︎ HIP 21121 C 6 - High metal content world
Body distance7,379 LsEarth masses0.4450Radius4,760 kmGravity0.80 gSurface temperature687 K (413°C/776°F)Surface pressure36.91 atmVolcanismAtmosphereHot Thick Carbon dioxideTerraformingTerraformable︎ HIP 21121 C 3 - High metal content world
Body distance7,386 LsEarth masses0.2374Radius3,916 kmGravity0.63 gSurface temperature380 K (107°C/225°F)Surface pressure0.25 atmVolcanismAtmosphereSulphur dioxideTerraforming︎ HIP 21121 C 7 - High metal content world
Body distance7,396 LsEarth masses0.5771Radius5,140 kmGravity0.89 gSurface temperature710 K (437°C/819°F)Surface pressure106.78 atmVolcanismAtmosphereHot Thick Carbon dioxideTerraformingTerraformable︎ HIP 21121 C 7 a - Rocky body Landable
Body distance7,395 LsEarth masses0.0310Radius2,149 kmGravity0.27 gSurface temperature244 K (-30°C/-21°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Cadmium: 1.5%︎ Tin: 1.2%︎ Germanium: 5.2%︎ Manganese: 8.2%︎ Zinc: 5.4%︎ Carbon: 15.0%︎ Iron: 19.8%︎ Nickel: 15.0%︎ Phosphorus: 9.6%︎ Sulphur: 17.8%︎ HIP 21121 C 4 - High metal content world
Body distance7,410 LsEarth masses0.4518Radius4,782 kmGravity0.80 gSurface temperature598 K (325°C/617°F)Surface pressure2.83 atmVolcanismAtmosphereHot Carbon dioxideTerraforming︎ HIP 21121 C 2 - High metal content world
Body distance7,483 LsEarth masses0.2835Radius4,139 kmGravity0.67 gSurface temperature424 K (151°C/304°F)Surface pressure0.43 atmVolcanismAtmosphereSulphur dioxideTerraforming︎ HIP 21121 C 5 - High metal content world
Body distance7,689 LsEarth masses0.4587Radius4,804 kmGravity0.81 gSurface temperature635 K (362°C/684°F)Surface pressure9.35 atmVolcanismAtmosphereHot Thick Carbon dioxideTerraforming︎ HIP 21121 C 8 - High metal content world
Body distance8,118 LsEarth masses0.8657Radius5,828 kmGravity1.04 gSurface temperature255 K (-19°C/-1°F)Surface pressure3.65 atmVolcanismMajor Rocky magmaAtmosphereCarbon dioxide-richTerraformingTerraformable