Star system
HIP 117831
Economy
Extraction / Military
Government
Prison Colony
Allegiance
Empire
Star type
Class F star Scoopable
Coordinates
47.13 / -256.78 / 85.69
Permit required
No
︎ HIP 117831 A - Class F star
Body distance-Solar masses1.0508Solar radius1.0458︎ HIP 117831 A 1 - Metal-rich body Landable
Body distance30 LsEarth masses0.1148Radius2,500 kmGravity0.75 gSurface temperature1,138 K (865°C/1,589°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 1.3%︎ Cadmium: 2.7%︎ Niobium: 2.4%︎ Chromium: 15.8%︎ Germanium: 1.6%︎ Manganese: 14.5%︎ Iron: 35.1%︎ Nickel: 26.6%︎ HIP 117831 A 1 a - Metal-rich body Landable
Body distance30 LsEarth masses0.0007Radius476 kmGravity0.13 gSurface temperature1,138 K (865°C/1,589°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Yttrium: 2.2%︎ Mercury: 1.6%︎ Tungsten: 2.0%︎ Chromium: 16.3%︎ Zinc: 9.9%︎ Zirconium: 4.2%︎ Iron: 36.3%︎ Nickel: 27.5%︎ HIP 117831 A 2 - High metal content world Landable
Body distance42 LsEarth masses0.4992Radius4,925 kmGravity0.84 gSurface temperature993 K (720°C/1,328°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.0%︎ Mercury: 1.0%︎ Tin: 1.4%︎ Chromium: 9.9%︎ Vanadium: 5.4%︎ Zinc: 6.0%︎ Carbon: 13.0%︎ Iron: 22.0%︎ Nickel: 16.6%︎ Phosphorus: 8.3%︎ Sulphur: 15.5%︎ HIP 117831 B - Class K star
Body distance455 LsSolar masses0.4688Solar radius0.6134︎ HIP 117831 B 1 - Metal-rich body Landable
Body distance502 LsEarth masses0.2100Radius3,022 kmGravity0.94 gSurface temperature1,508 K (1,234°C/2,254°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Ruthenium: 2.2%︎ Selenium: 2.5%︎ Cadmium: 2.8%︎ Tin: 2.4%︎ Chromium: 16.3%︎ Zinc: 9.9%︎ Iron: 36.3%︎ Nickel: 27.5%︎ HIP 117831 C - Class M star
Body distance514 LsSolar masses0.1992Solar radius0.3309︎ HIP 117831 C 2 - Metal-rich body Landable
Body distance507 LsEarth masses0.0012Radius559 kmGravity0.15 gSurface temperature1,031 K (758°C/1,396°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Antimony: 1.4%︎ Niobium: 2.5%︎ Tin: 2.4%︎ Chromium: 16.4%︎ Vanadium: 9.0%︎ Zirconium: 4.2%︎ Iron: 36.5%︎ Nickel: 27.6%︎ HIP 117831 C 1 - Metal-rich body Landable
Body distance516 LsEarth masses0.0009Radius525 kmGravity0.14 gSurface temperature1,080 K (807°C/1,485°F)Surface pressure0.00 atmVolcanismMajor Metallic magmaAtmosphereTerraforming︎ Ruthenium: 2.0%︎ Molybdenum: 2.1%︎ Niobium: 2.2%︎ Chromium: 14.6%︎ Manganese: 13.4%︎ Zinc: 8.8%︎ Iron: 32.4%︎ Nickel: 24.5%︎ HIP 117831 ABC 1 - Gas giant with water-based life
Body distance1,425 LsEarth masses290.6820Radius71,367 kmGravity2.32 gSurface temperature191 K (-82°C/-116°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 117831 ABC 1 c - Rocky body Landable
Body distance1,190 LsEarth masses0.0042Radius1,131 kmGravity0.13 gSurface temperature165 K (-108°C/-162°F)Surface pressure0.00 atmVolcanismAtmosphereThin AmmoniaTerraforming︎ Selenium: 3.1%︎ Tellurium: 1.5%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Vanadium: 5.0%︎ Zinc: 5.5%︎ Carbon: 16.5%︎ Iron: 20.3%︎ Nickel: 15.3%︎ Phosphorus: 10.6%︎ Sulphur: 19.7%︎ HIP 117831 ABC 1 b - Rocky body Landable
Body distance1,253 LsEarth masses0.0027Radius977 kmGravity0.12 gSurface temperature166 K (-107°C/-161°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.3%︎ Molybdenum: 1.3%︎ Niobium: 1.4%︎ Arsenic: 2.6%︎ Vanadium: 5.0%︎ Zinc: 5.6%︎ Carbon: 16.6%︎ Iron: 20.4%︎ Nickel: 15.5%︎ Phosphorus: 10.6%︎ Sulphur: 19.7%︎ HIP 117831 ABC 1 a - Rocky body Landable
Body distance1,426 LsEarth masses0.0008Radius645 kmGravity0.08 gSurface temperature168 K (-105°C/-157°F)Surface pressure0.00 atmVolcanismMinor Silicate vapour geysersAtmosphereTerraforming︎ Ruthenium: 1.1%︎ Cadmium: 1.4%︎ Molybdenum: 1.2%︎ 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 117831 ABC 3 - Class III gas giant
Body distance1,755 LsRing/belt typeMetal rich (Major)Earth masses845.3080Radius76,985 kmGravity5.80 gSurface temperature282 K (9°C/49°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 117831 ABC 3 a - Rocky body Landable
Body distance1,755 LsEarth masses0.0117Radius1,584 kmGravity0.19 gSurface temperature188 K (-85°C/-121°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Yttrium: 1.1%︎ Molybdenum: 1.2%︎ Tin: 1.1%︎ Chromium: 8.4%︎ Manganese: 7.7%︎ Vanadium: 4.6%︎ Carbon: 15.2%︎ Iron: 18.7%︎ Nickel: 14.1%︎ Phosphorus: 9.7%︎ Sulphur: 18.1%︎ HIP 117831 ABC 2 - Class III gas giant
Body distance1,783 LsRing/belt typeRocky (Major)Earth masses2,012.1400Radius72,556 kmGravity15.53 gSurface temperature539 K (266°C/511°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 117831 ABC 2 a - Rocky body Landable
Body distance1,782 LsEarth masses0.0056Radius1,241 kmGravity0.15 gSurface temperature228 K (-45°C/-49°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Antimony: 1.2%︎ Niobium: 1.4%︎ Tin: 1.2%︎ Vanadium: 5.0%︎ Zinc: 5.6%︎ Zirconium: 2.4%︎ Carbon: 16.7%︎ Iron: 20.5%︎ Nickel: 15.5%︎ Phosphorus: 10.7%︎ Sulphur: 19.8%︎ HIP 117831 ABC 2 c - Rocky body Landable
Body distance1,784 LsEarth masses0.0047Radius1,170 kmGravity0.14 gSurface temperature210 K (-64°C/-83°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.5%︎ Tungsten: 1.1%︎ Arsenic: 2.5%︎ Chromium: 8.8%︎ Zinc: 5.3%︎ Carbon: 15.9%︎ Iron: 19.5%︎ Nickel: 14.8%︎ Phosphorus: 10.2%︎ Sulphur: 18.9%︎ HIP 117831 ABC 2 b - Rocky body Landable
Body distance1,785 LsEarth masses0.0035Radius1,067 kmGravity0.13 gSurface temperature220 K (-53°C/-64°F)Surface pressure0.00 atmVolcanismMinor Silicate vapour geysersAtmosphereTerraforming︎ Antimony: 1.2%︎ Cadmium: 1.5%︎ Tungsten: 1.1%︎ Germanium: 5.7%︎ Vanadium: 4.9%︎ Zinc: 5.4%︎ Carbon: 16.1%︎ Iron: 19.8%︎ Nickel: 15.0%︎ Phosphorus: 10.3%︎ Sulphur: 19.2%︎ HIP 117831 ABC 4 - Class III gas giant
Body distance3,247 LsRing/belt typeMetal rich (Major)
Rocky (Major)Earth masses2,301.9100Radius71,430 kmGravity18.34 gSurface temperature581 K (308°C/586°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 117831 ABC 4 d - Rocky body
Body distance3,242 LsEarth masses0.0061Radius1,277 kmGravity0.15 gSurface temperature186 K (-87°C/-124°F)Surface pressure0.04 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ HIP 117831 ABC 4 a - Rocky body Landable
Body distance3,246 LsEarth masses0.0029Radius1,000 kmGravity0.12 gSurface temperature207 K (-66°C/-87°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.5%︎ Tungsten: 1.0%︎ Chromium: 8.6%︎ Germanium: 5.4%︎ Vanadium: 4.7%︎ Carbon: 15.5%︎ Iron: 19.1%︎ Nickel: 14.4%︎ Phosphorus: 9.9%︎ Sulphur: 18.5%︎ HIP 117831 ABC 4 b - Rocky body Landable
Body distance3,248 LsEarth masses0.0144Radius1,692 kmGravity0.20 gSurface temperature166 K (-107°C/-160°F)Surface pressure0.00 atmVolcanismAtmosphereThin AmmoniaTerraforming︎ Tellurium: 1.4%︎ Mercury: 0.8%︎ Molybdenum: 1.2%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.7%︎ Carbon: 15.1%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ HIP 117831 ABC 4 c - Rocky body Landable
Body distance3,254 LsEarth masses0.0154Radius1,729 kmGravity0.21 gSurface temperature159 K (-115°C/-174°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Molybdenum: 1.3%︎ Tungsten: 1.1%︎ Arsenic: 2.5%︎ Chromium: 8.9%︎ Vanadium: 4.9%︎ Carbon: 16.1%︎ Iron: 19.8%︎ Nickel: 14.9%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ HIP 117831 ABC 5 - Gas giant with water-based life
Body distance3,396 LsRing/belt typeMetal rich (Major)Earth masses822.2290Radius76,889 kmGravity5.65 gSurface temperature242 K (-32°C/-25°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 117831 ABC 5 f - Rocky ice world Landable
Body distance3,388 LsEarth masses0.0015Radius827 kmGravity0.09 gSurface temperature112 K (-161°C/-258°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Selenium: 3.3%︎ Niobium: 1.3%︎ Tin: 1.1%︎ Germanium: 5.4%︎ Vanadium: 4.6%︎ Carbon: 17.7%︎ Iron: 18.8%︎ Nickel: 14.2%︎ Phosphorus: 11.3%︎ Sulphur: 21.0%︎ HIP 117831 ABC 5 c - Rocky body
Body distance3,394 LsEarth masses0.0004Radius539 kmGravity0.06 gSurface temperature207 K (-66°C/-87°F)Surface pressure0.42 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ HIP 117831 ABC 5 a - Rocky body
Body distance3,395 LsEarth masses0.0008Radius650 kmGravity0.08 gSurface temperature241 K (-32°C/-26°F)Surface pressure1.07 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ HIP 117831 ABC 5 d - Rocky body Landable
Body distance3,398 LsEarth masses0.0010Radius702 kmGravity0.08 gSurface temperature131 K (-142°C/-223°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.3%︎ Selenium: 3.1%︎ Mercury: 0.9%︎ Molybdenum: 1.3%︎ Germanium: 5.8%︎ Vanadium: 5.0%︎ Carbon: 16.5%︎ Iron: 20.4%︎ Nickel: 15.5%︎ Phosphorus: 10.6%︎ Sulphur: 19.6%︎ HIP 117831 ABC 5 b - Rocky body
Body distance3,398 LsEarth masses0.0004Radius511 kmGravity0.06 gSurface temperature222 K (-51°C/-60°F)Surface pressure0.65 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ HIP 117831 ABC 5 e - Rocky ice world Landable
Body distance3,400 LsEarth masses0.0016Radius853 kmGravity0.09 gSurface temperature114 K (-159°C/-254°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.6%︎ Cadmium: 1.4%︎ Niobium: 1.2%︎ Chromium: 7.8%︎ Germanium: 5.0%︎ Manganese: 7.2%︎ Carbon: 16.4%︎ Iron: 17.4%︎ Nickel: 13.2%︎ Phosphorus: 10.5%︎ Sulphur: 19.5%︎ HIP 117831 ABC 6 - Gas giant with ammonia-based life
Body distance4,303 LsEarth masses232.9490Radius58,192 kmGravity2.80 gSurface temperature110 K (-164°C/-262°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 117831 ABC 6 d - Icy body Landable
Body distance4,301 LsEarth masses0.0030Radius1,271 kmGravity0.08 gSurface temperature78 K (-195°C/-320°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.8%︎ Selenium: 4.3%︎ Niobium: 0.9%︎ Tin: 0.7%︎ Germanium: 3.6%︎ Zirconium: 1.5%︎ Carbon: 23.4%︎ Iron: 12.6%︎ Nickel: 9.5%︎ Phosphorus: 15.0%︎ Sulphur: 27.8%︎ HIP 117831 ABC 6 a - Icy body Landable
Body distance4,302 LsEarth masses0.0017Radius1,059 kmGravity0.06 gSurface temperature82 K (-191°C/-312°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Selenium: 4.2%︎ Tellurium: 0.9%︎ Molybdenum: 0.8%︎ Tin: 0.7%︎ Chromium: 5.4%︎ Germanium: 3.5%︎ Carbon: 22.4%︎ Iron: 12.1%︎ Nickel: 9.1%︎ Phosphorus: 14.3%︎ Sulphur: 26.6%︎ HIP 117831 ABC 6 b - Icy body Landable
Body distance4,302 LsEarth masses0.0025Radius1,191 kmGravity0.07 gSurface temperature81 K (-192°C/-314°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Tellurium: 0.9%︎ Cadmium: 0.9%︎ Niobium: 0.8%︎ Chromium: 5.5%︎ Vanadium: 3.0%︎ Zinc: 3.3%︎ Carbon: 22.6%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.5%︎ Sulphur: 26.9%︎ HIP 117831 ABC 6 c - Icy body Landable
Body distance4,302 LsEarth masses0.0097Radius1,864 kmGravity0.11 gSurface temperature79 K (-194°C/-318°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.7%︎ Molybdenum: 0.8%︎ Niobium: 0.8%︎ Chromium: 5.4%︎ Manganese: 5.0%︎ Vanadium: 3.0%︎ Carbon: 22.2%︎ Iron: 12.1%︎ Nickel: 9.2%︎ Phosphorus: 14.2%︎ Sulphur: 26.4%︎ HIP 117831 ABC 6 e - Icy body Landable
Body distance4,304 LsEarth masses0.0064Radius1,627 kmGravity0.10 gSurface temperature77 K (-196°C/-321°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.8%︎ Cadmium: 1.0%︎ Tin: 0.8%︎ Arsenic: 1.6%︎ Germanium: 3.6%︎ Manganese: 5.2%︎ Carbon: 22.9%︎ Iron: 12.6%︎ Nickel: 9.5%︎ Phosphorus: 14.7%︎ Sulphur: 27.3%︎ HIP 117831 ABC 6 e a - Icy body Landable
Body distance4,304 LsEarth masses0.0006Radius767 kmGravity0.04 gSurface temperature77 K (-196°C/-321°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Ruthenium: 0.6%︎ Selenium: 4.7%︎ Cadmium: 0.7%︎ Niobium: 0.6%︎ Germanium: 3.1%︎ Vanadium: 2.3%︎ Carbon: 25.3%︎ Iron: 9.3%︎ Nickel: 7.1%︎ Phosphorus: 16.2%︎ Sulphur: 30.1%︎ HIP 117831 ABC 6 f - Icy body Landable
Body distance4,309 LsEarth masses0.0023Radius1,167 kmGravity0.07 gSurface temperature77 K (-196°C/-321°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Selenium: 4.3%︎ Mercury: 0.5%︎ Tin: 0.7%︎ Germanium: 3.5%︎ Zinc: 3.4%︎ Carbon: 23.0%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 14.7%︎ Sulphur: 27.3%︎ HIP 117831 ABC 7 - Icy body
Body distance4,333 LsRing/belt typeIcy (Major)
Rocky (Major)Earth masses17.2935Radius17,583 kmGravity2.27 gSurface temperature500 K (227°C/440°F)Surface pressure60,165.61 atmVolcanismWater geysersAtmosphereHot Thick Methane-richTerraforming︎ HIP 117831 ABC 7 a - Icy body Landable
Body distance4,332 LsEarth masses0.0002Radius495 kmGravity0.03 gSurface temperature75 K (-198°C/-324°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.8%︎ Selenium: 4.4%︎ Mercury: 0.6%︎ Niobium: 0.9%︎ Arsenic: 1.6%︎ Vanadium: 3.1%︎ Carbon: 23.5%︎ Iron: 12.7%︎ Nickel: 9.6%︎ Phosphorus: 15.0%︎ Sulphur: 27.9%︎ HIP 117831 ABC 8 - Icy body
Body distance6,326 LsRing/belt typeIcy (Major)Earth masses43.7517Radius20,598 kmGravity4.19 gSurface temperature68 K (-205°C/-337°F)Surface pressure9.13 atmVolcanismWater geysersAtmosphereThick HeliumTerraforming