Star system
HR 4734
Economy
Colony / Terraforming
Government
Corporate
Allegiance
Federation
Star type
Class G star Scoopable
Coordinates
73.59 / 20.28 / 41.22
Permit required
No
︎ HR 4734 - Class G star
Body distance-Solar masses1.2344Solar radius1.1345︎ HR 4734 3 - High metal content world
Body distance551 LsEarth masses4.0152Radius9,071 kmGravity1.98 gSurface temperature1,139 K (866°C/1,591°F)Surface pressure439.15 atmVolcanismMetallic magmaAtmosphereHot Thick Carbon dioxideTerraformingTerraforming︎ HR 4734 1 b - Rocky body
Body distance590 LsEarth masses0.0243Radius2,009 kmGravity0.24 gSurface temperature611 K (338°C/640°F)Surface pressure2.05 atmVolcanismAtmosphereHot WaterTerraforming︎ HR 4734 1 a - Rocky body
Body distance598 LsEarth masses0.0125Radius1,620 kmGravity0.19 gSurface temperature1,019 K (746°C/1,374°F)Surface pressure129.71 atmVolcanismMetallic magmaAtmosphereHot Thick WaterTerraforming︎ HR 4734 2 - Class III gas giant
Body distance640 LsRing/belt typeRocky (Major)Earth masses49.7600Radius30,909 kmGravity2.12 gSurface temperature258 K (-15°C/5°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 4734 2 a - Rocky body
Body distance555 LsEarth masses0.0004Radius518 kmGravity0.06 gSurface temperature764 K (491°C/915°F)Surface pressure12.37 atmVolcanismMinor Silicate vapour geysersAtmosphereHot Thick WaterTerraforming︎ HR 4734 4 a - Rocky body Landable
Body distance1,230 LsEarth masses0.0102Radius1,513 kmGravity0.18 gSurface temperature181 K (-92°C/-134°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Antimony: 1.2%︎ Cadmium: 1.5%︎ Molybdenum: 1.2%︎ Chromium: 8.5%︎ Vanadium: 4.6%︎ Zinc: 5.1%︎ Carbon: 15.8%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 10.1%︎ Sulphur: 18.7%︎ HR 4734 5 - Gas giant with water-based life
Body distance1,252 LsEarth masses194.7010Radius45,188 kmGravity3.87 gSurface temperature198 K (-75°C/-102°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 4734 6 - Class III gas giant
Body distance1,822 LsRing/belt typeMetallic (Major)
Rocky (Major)Earth masses946.6830Radius74,094 kmGravity7.01 gSurface temperature303 K (30°C/85°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 4734 6 f - Icy body
Body distance1,808 LsRing/belt typeMetal rich (Major)Earth masses1.1613Radius8,153 kmGravity0.71 gSurface temperature199 K (-75°C/-102°F)Surface pressure511.44 atmVolcanismMinor Carbon dioxide geysersAtmosphereThick Argon-richTerraforming︎ HR 4734 6 c - High metal content world
Body distance1,815 LsRing/belt typeMetal rich (Major)Earth masses0.8133Radius5,726 kmGravity1.01 gSurface temperature377 K (104°C/219°F)Surface pressure9.21 atmVolcanismAtmosphereThick Ammonia-richTerraforming︎ HR 4734 6 e - Icy body
Body distance1,815 LsRing/belt typeMetal rich (Major)Earth masses2.9012Radius10,646 kmGravity1.04 gSurface temperature216 K (-57°C/-71°F)Surface pressure1,082.43 atmVolcanismMajor Water geysersAtmosphereThick Argon-richTerraforming︎ HR 4734 6 b - High metal content world Landable
Body distance1,822 LsEarth masses0.1685Radius3,519 kmGravity0.55 gSurface temperature198 K (-75°C/-104°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereThin Carbon dioxideTerraforming︎ Yttrium: 1.3%︎ Cadmium: 1.7%︎ Tungsten: 1.2%︎ Germanium: 4.7%︎ Manganese: 9.1%︎ Vanadium: 5.4%︎ Carbon: 13.4%︎ Iron: 22.1%︎ Nickel: 16.7%︎ Phosphorus: 8.6%︎ Sulphur: 15.9%︎ HR 4734 6 a - High metal content world
Body distance1,822 LsEarth masses0.1828Radius3,611 kmGravity0.57 gSurface temperature228 K (-46°C/-50°F)Surface pressure0.17 atmVolcanismMinor Metallic magmaAtmosphereCarbon dioxide-richTerraforming︎ HR 4734 6 d - Icy body
Body distance1,829 LsRing/belt typeMetal rich (Major)Earth masses1.7425Radius9,192 kmGravity0.84 gSurface temperature494 K (220°C/429°F)Surface pressure3,502.60 atmVolcanismWater geysersAtmosphereThick Ammonia-richTerraforming︎ HR 4734 7 - Water giant
Body distance1,859 LsEarth masses21.8749Radius17,891 kmGravity2.78 gSurface temperature231 K (-42°C/-44°F)Surface pressure5,812,859.61 atmVolcanismAtmosphereTerraforming︎ HR 4734 8 - Class I gas giant
Body distance2,386 LsEarth masses72.3808Radius28,497 kmGravity3.62 gSurface temperature133 K (-140°C/-220°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 4734 8 e - Icy body Landable
Body distance2,377 LsEarth masses0.0008Radius819 kmGravity0.05 gSurface temperature115 K (-158°C/-253°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 0.7%︎ Niobium: 0.8%︎ Tin: 0.7%︎ Chromium: 5.4%︎ Germanium: 3.5%︎ Zinc: 3.3%︎ Carbon: 22.8%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.6%︎ Sulphur: 27.1%︎ HR 4734 8 a - Icy body Landable
Body distance2,386 LsEarth masses0.0019Radius1,100 kmGravity0.07 gSurface temperature116 K (-157°C/-251°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Selenium: 4.3%︎ Technetium: 0.4%︎ Mercury: 0.5%︎ Molybdenum: 0.8%︎ Manganese: 5.0%︎ Zinc: 3.3%︎ Carbon: 22.9%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.6%︎ Sulphur: 27.2%︎ HR 4734 8 f - Icy body Landable
Body distance2,386 LsEarth masses0.0014Radius990 kmGravity0.06 gSurface temperature115 K (-158°C/-253°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 0.9%︎ Cadmium: 1.0%︎ Niobium: 0.8%︎ Chromium: 5.6%︎ Vanadium: 3.0%︎ Zirconium: 1.4%︎ Carbon: 23.2%︎ Iron: 12.3%︎ Nickel: 9.3%︎ Phosphorus: 14.8%︎ Sulphur: 27.6%︎ HR 4734 8 h - Icy body Landable
Body distance2,388 LsEarth masses0.0011Radius910 kmGravity0.05 gSurface temperature115 K (-158°C/-253°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.4%︎ Technetium: 0.4%︎ Cadmium: 1.0%︎ Tungsten: 0.7%︎ Germanium: 3.6%︎ Zirconium: 1.4%︎ Carbon: 23.6%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 15.1%︎ Sulphur: 28.0%︎ HR 4734 8 c - Icy body Landable
Body distance2,388 LsEarth masses0.0007Radius773 kmGravity0.05 gSurface temperature115 K (-158°C/-252°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.4%︎ Yttrium: 0.7%︎ Cadmium: 1.0%︎ Tin: 0.7%︎ Zinc: 3.4%︎ Zirconium: 1.4%︎ Carbon: 23.5%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 15.1%︎ Sulphur: 28.0%︎ HR 4734 8 d - Icy body Landable
Body distance2,389 LsEarth masses0.0004Radius658 kmGravity0.04 gSurface temperature115 K (-158°C/-252°F)Surface pressure0.00 atmVolcanismMinor Nitrogen magmaAtmosphereTerraforming︎ Antimony: 0.8%︎ Selenium: 4.4%︎ Cadmium: 1.0%︎ Mercury: 0.5%︎ Germanium: 3.6%︎ Zirconium: 1.4%︎ Carbon: 23.5%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 15.1%︎ Sulphur: 28.0%︎ HR 4734 8 b - Icy body Landable
Body distance2,392 LsEarth masses0.0009Radius835 kmGravity0.05 gSurface temperature115 K (-158°C/-252°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Selenium: 4.1%︎ Niobium: 0.8%︎ Tungsten: 0.6%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Carbon: 22.2%︎ Iron: 11.8%︎ Nickel: 8.9%︎ Phosphorus: 14.2%︎ Sulphur: 26.4%︎ HR 4734 8 i - Icy body Landable
Body distance2,395 LsEarth masses0.0010Radius869 kmGravity0.05 gSurface temperature115 K (-158°C/-253°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 0.9%︎ Niobium: 0.8%︎ Tin: 0.7%︎ Chromium: 5.5%︎ Germanium: 3.5%︎ Zirconium: 1.4%︎ Carbon: 23.2%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.9%︎ Sulphur: 27.6%︎ HR 4734 8 g - Icy body Landable
Body distance2,404 LsEarth masses0.0009Radius848 kmGravity0.05 gSurface temperature115 K (-158°C/-253°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 0.9%︎ Molybdenum: 0.8%︎ Tin: 0.7%︎ Germanium: 3.6%︎ Vanadium: 3.0%︎ Zinc: 3.3%︎ Carbon: 23.3%︎ Iron: 12.3%︎ Nickel: 9.3%︎ Phosphorus: 14.9%︎ Sulphur: 27.8%︎ HR 4734 1 - Class Y star (brown dwarf)
Body distance596 LsSolar masses0.0117Solar radius0.0600︎ HR 4734 4 - Class Y star (brown dwarf)
Body distance1,231 LsSolar masses0.0117Solar radius0.0571