Star system
HIP 20998
Economy
Industrial / Extraction
Government
Patronage
Allegiance
Empire
Star type
Class G star Scoopable
Coordinates
130.72 / -103.97 / 22.66
Permit required
No
︎ HIP 20998 - Class G star
Body distance-Solar masses1.2461Solar radius1.1614︎ HIP 20998 1 - Gas giant with water-based life
Body distance1,031 LsRing/belt typeMetal rich (Low)
Rocky (Low)Earth masses188.5150Radius67,309 kmGravity1.69 gSurface temperature213 K (-60°C/-76°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 20998 1 a - Rocky body Landable
Body distance1,030 LsEarth masses0.0006Radius609 kmGravity0.07 gSurface temperature201 K (-72°C/-98°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Cadmium: 1.5%︎ Tin: 1.1%︎ Chromium: 8.5%︎ Germanium: 5.4%︎ Zinc: 5.1%︎ Carbon: 15.5%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 9.9%︎ Sulphur: 18.4%︎ HIP 20998 1 b - Rocky body Landable
Body distance1,031 LsEarth masses0.0010Radius697 kmGravity0.08 gSurface temperature200 K (-73°C/-100°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Selenium: 3.1%︎ Cadmium: 1.6%︎ Niobium: 1.4%︎ Arsenic: 2.6%︎ Germanium: 5.9%︎ Carbon: 16.8%︎ Iron: 20.7%︎ Nickel: 15.7%︎ Phosphorus: 10.8%︎ Sulphur: 20.0%︎ HIP 20998 1 c - Rocky body Landable
Body distance1,035 LsEarth masses0.0015Radius804 kmGravity0.09 gSurface temperature199 K (-74°C/-102°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Niobium: 1.3%︎ Tungsten: 1.0%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Zirconium: 2.2%︎ Carbon: 15.6%︎ Iron: 19.1%︎ Nickel: 14.4%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ HIP 20998 5 - Class III gas giant
Body distance3,839 LsRing/belt typeMetal rich (Low)Earth masses1,525.1400Radius74,610 kmGravity11.14 gSurface temperature386 K (113°C/235°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 20998 5 a a - Rocky body
Body distance3,819 LsEarth masses0.0003Radius468 kmGravity0.05 gSurface temperature229 K (-45°C/-48°F)Surface pressure0.54 atmVolcanismMajor Silicate vapour geysersAtmosphereCarbon dioxideTerraforming︎ HIP 20998 5 b - Rocky body Landable
Body distance3,823 LsEarth masses0.0036Radius1,071 kmGravity0.13 gSurface temperature169 K (-104°C/-155°F)Surface pressure0.03 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Tellurium: 1.4%︎ Molybdenum: 1.2%︎ Niobium: 1.3%︎ Chromium: 8.5%︎ Germanium: 5.5%︎ Vanadium: 4.7%︎ Carbon: 15.6%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ HIP 20998 5 d a - Rocky body Landable
Body distance3,826 LsEarth masses0.0007Radius624 kmGravity0.07 gSurface temperature129 K (-145°C/-228°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Polonium: 0.4%︎ Cadmium: 1.4%︎ Niobium: 1.2%︎ Germanium: 5.9%︎ Manganese: 7.4%︎ Zinc: 4.8%︎ Carbon: 16.8%︎ Iron: 17.8%︎ Nickel: 13.5%︎ Phosphorus: 10.8%︎ Sulphur: 20.0%︎ HIP 20998 5 d - Rocky body Landable
Body distance3,826 LsEarth masses0.0118Radius1,587 kmGravity0.19 gSurface temperature129 K (-145°C/-228°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Cadmium: 1.6%︎ Mercury: 0.9%︎ Arsenic: 2.6%︎ Vanadium: 5.1%︎ Zinc: 5.6%︎ Carbon: 16.8%︎ Iron: 20.6%︎ Nickel: 15.6%︎ Phosphorus: 10.7%︎ Sulphur: 19.9%︎ HIP 20998 5 a - Rocky body
Body distance3,832 LsEarth masses0.0051Radius1,206 kmGravity0.14 gSurface temperature254 K (-19°C/-2°F)Surface pressure1.42 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ HIP 20998 5 c - Rocky body Landable
Body distance3,846 LsEarth masses0.0049Radius1,186 kmGravity0.14 gSurface temperature134 K (-139°C/-219°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Cadmium: 1.5%︎ Tungsten: 1.1%︎ Arsenic: 2.5%︎ Manganese: 8.2%︎ Zinc: 5.4%︎ Carbon: 16.2%︎ Iron: 19.8%︎ Nickel: 15.0%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%︎ HIP 20998 5 e - Rocky body Landable
Body distance3,849 LsEarth masses0.0280Radius2,105 kmGravity0.26 gSurface temperature122 K (-151°C/-240°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Cadmium: 1.5%︎ Molybdenum: 1.2%︎ Chromium: 8.4%︎ Manganese: 7.7%︎ Vanadium: 4.6%︎ Carbon: 15.3%︎ Iron: 18.7%︎ Nickel: 14.1%︎ Phosphorus: 9.8%︎ Sulphur: 18.2%︎ HIP 20998 2 - Class III gas giant
Body distance1,888 LsRing/belt typeMetal rich (Low)Earth masses984.3280Radius76,276 kmGravity6.88 gSurface temperature307 K (34°C/92°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 20998 2 e - Rocky body Landable
Body distance1,882 LsEarth masses0.0010Radius697 kmGravity0.08 gSurface temperature162 K (-112°C/-169°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.7%︎ Cadmium: 1.5%︎ Tin: 1.1%︎ Manganese: 8.0%︎ Vanadium: 4.7%︎ Zinc: 5.3%︎ Carbon: 15.8%︎ Iron: 19.3%︎ Nickel: 14.6%︎ Phosphorus: 10.1%︎ Sulphur: 18.8%︎ HIP 20998 2 a - Rocky body
Body distance1,886 LsEarth masses0.0013Radius775 kmGravity0.09 gSurface temperature181 K (-93°C/-135°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ HIP 20998 2 c - Rocky body Landable
Body distance1,887 LsEarth masses0.0008Radius648 kmGravity0.08 gSurface temperature171 K (-102°C/-151°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Antimony: 1.1%︎ Mercury: 0.8%︎ Molybdenum: 1.2%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.7%︎ Carbon: 15.2%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ HIP 20998 2 h - Rocky body Landable
Body distance1,892 LsEarth masses0.0009Radius675 kmGravity0.08 gSurface temperature157 K (-116°C/-177°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 2.9%︎ Yttrium: 1.1%︎ Molybdenum: 1.2%︎ Tin: 1.1%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.5%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 9.9%︎ Sulphur: 18.5%︎ HIP 20998 2 d - Rocky body Landable
Body distance1,893 LsEarth masses0.0006Radius604 kmGravity0.07 gSurface temperature165 K (-109°C/-164°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.5%︎ Niobium: 1.3%︎ Chromium: 8.5%︎ Germanium: 5.4%︎ Vanadium: 4.7%︎ Carbon: 15.5%︎ Iron: 19.0%︎ Nickel: 14.3%︎ Phosphorus: 9.9%︎ Sulphur: 18.4%︎ HIP 20998 2 b - Rocky body Landable
Body distance1,928 LsEarth masses0.0011Radius734 kmGravity0.09 gSurface temperature171 K (-102°C/-151°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Tellurium: 1.4%︎ Tin: 1.1%︎ Tungsten: 1.0%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.1%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ HIP 20998 2 f - Rocky body
Body distance1,933 LsEarth masses0.0013Radius758 kmGravity0.09 gSurface temperature159 K (-114°C/-174°F)Surface pressure0.00 atmVolcanismRocky magmaAtmosphereSulphur dioxideTerraforming︎ HIP 20998 2 g - Rocky body
Body distance1,933 LsEarth masses0.0009Radius676 kmGravity0.08 gSurface temperature159 K (-114°C/-174°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ HIP 20998 4 - Gas giant with ammonia-based life
Body distance2,640 LsEarth masses31.9621Radius43,522 kmGravity0.69 gSurface temperature147 K (-126°C/-195°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 20998 3 - Class IV gas giant
Body distance2,697 LsRing/belt typeRocky (Low)Earth masses3,723.0200Radius64,437 kmGravity36.44 gSurface temperature997 K (723°C/1,334°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 20998 3 c - Rocky body Landable
Body distance2,690 LsEarth masses0.0003Radius468 kmGravity0.05 gSurface temperature193 K (-80°C/-113°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.5%︎ Molybdenum: 1.3%︎ Niobium: 1.3%︎ Arsenic: 2.5%︎ Chromium: 8.8%︎ Vanadium: 4.8%︎ Carbon: 16.0%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ HIP 20998 3 a - Rocky body Landable
Body distance2,697 LsEarth masses0.0008Radius649 kmGravity0.08 gSurface temperature243 K (-31°C/-23°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Molybdenum: 1.2%︎ Tin: 1.1%︎ Chromium: 8.5%︎ Germanium: 5.4%︎ Zinc: 5.1%︎ Carbon: 15.5%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 9.9%︎ Sulphur: 18.4%︎ HIP 20998 3 b - Rocky body Landable
Body distance2,704 LsEarth masses0.0003Radius475 kmGravity0.06 gSurface temperature208 K (-65°C/-85°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.1%︎ Molybdenum: 1.2%︎ Tin: 1.1%︎ Chromium: 8.3%︎ Manganese: 7.7%︎ Zinc: 5.0%︎ Carbon: 15.2%︎ Iron: 18.6%︎ Nickel: 14.0%︎ Phosphorus: 9.7%︎ Sulphur: 18.1%︎ HIP 20998 6 - Class III gas giant
Body distance5,220 LsRing/belt typeRocky (Low)Earth masses2,636.9900Radius68,287 kmGravity22.98 gSurface temperature654 K (381°C/718°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 20998 6 b - Icy body
Body distance5,312 LsRing/belt typeRocky (Low)Earth masses0.4081Radius6,314 kmGravity0.42 gSurface temperature103 K (-170°C/-274°F)Surface pressure2.32 atmVolcanismAtmosphereNeon-richTerraforming︎ HIP 20998 6 a - Rocky body Landable
Body distance5,333 LsEarth masses0.0263Radius2,061 kmGravity0.25 gSurface temperature152 K (-121°C/-185°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 2.9%︎ Tellurium: 1.4%︎ Molybdenum: 1.2%︎ Tungsten: 1.0%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.5%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 9.9%︎ Sulphur: 18.4%