Star system
HR 1477
Economy
Government
Allegiance
Independent
Star type
Class A star Scoopable
Coordinates
-30.63 / -81.25 / -335.59
Permit required
No
︎ HR 1477 A - Class A star
Body distance-Solar masses2.6602Solar radius1.8839︎ HR 1477 A 1 - High metal content world
Body distance81 LsEarth masses18.8386Radius13,326 kmGravity4.31 gSurface temperature7,458 K (7,185°C/12,964°F)Surface pressure13,930,027.14 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick Silicate vapourTerraforming︎ HR 1477 A 2 - Class III gas giant
Body distance1,881 LsRing/belt typeMetal rich (Pristine)Earth masses971.6440Radius74,732 kmGravity7.07 gSurface temperature508 K (234°C/454°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 1477 A 2 a - Rocky body Landable
Body distance1,887 LsEarth masses0.0234Radius1,959 kmGravity0.25 gSurface temperature362 K (89°C/192°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.7%︎ Cadmium: 1.5%︎ Niobium: 1.4%︎ Germanium: 5.3%︎ Manganese: 8.2%︎ Zinc: 5.4%︎ Carbon: 15.0%︎ Iron: 19.9%︎ Nickel: 15.1%︎ Phosphorus: 9.6%︎ Sulphur: 17.9%︎ HR 1477 A 3 - Class III gas giant
Body distance2,554 LsRing/belt typeRocky (Pristine)Earth masses711.8850Radius74,609 kmGravity5.20 gSurface temperature416 K (143°C/289°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 1477 A 3 d - Rocky body Landable
Body distance2,500 LsEarth masses0.0006Radius597 kmGravity0.07 gSurface temperature323 K (50°C/123°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.0%︎ Tellurium: 1.5%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Germanium: 5.6%︎ Manganese: 8.0%︎ Carbon: 16.0%︎ Iron: 19.5%︎ Nickel: 14.7%︎ Phosphorus: 10.3%︎ Sulphur: 19.0%︎ HR 1477 A 3 b - Rocky body Landable
Body distance2,552 LsEarth masses0.0008Radius650 kmGravity0.08 gSurface temperature327 K (54°C/129°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 2.9%︎ Tellurium: 1.4%︎ Molybdenum: 1.2%︎ Niobium: 1.3%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.5%︎ Iron: 18.8%︎ Nickel: 14.2%︎ Phosphorus: 9.9%︎ Sulphur: 18.4%︎ HR 1477 A 3 c - Rocky body Landable
Body distance2,552 LsEarth masses0.0005Radius566 kmGravity0.07 gSurface temperature325 K (52°C/125°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Selenium: 2.9%︎ Cadmium: 1.5%︎ Niobium: 1.3%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.5%︎ Iron: 18.8%︎ Nickel: 14.2%︎ Phosphorus: 9.9%︎ Sulphur: 18.4%︎ HR 1477 A 3 a - Rocky body Landable
Body distance2,554 LsEarth masses0.0003Radius496 kmGravity0.06 gSurface temperature332 K (58°C/137°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.7%︎ Molybdenum: 1.3%︎ Tungsten: 1.1%︎ Manganese: 8.2%︎ Vanadium: 4.9%︎ Zirconium: 2.3%︎ Carbon: 16.4%︎ Iron: 20.0%︎ Nickel: 15.1%︎ Phosphorus: 10.5%︎ Sulphur: 19.5%︎ HR 1477 A 3 e - Rocky body Landable
Body distance2,554 LsEarth masses0.0006Radius592 kmGravity0.07 gSurface temperature322 K (48°C/119°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Selenium: 3.0%︎ Molybdenum: 1.3%︎ Tungsten: 1.1%︎ Chromium: 8.7%︎ Zinc: 5.3%︎ Carbon: 16.0%︎ Iron: 19.4%︎ Nickel: 14.7%︎ Phosphorus: 10.2%︎ Sulphur: 19.0%︎ HR 1477 B - Class A star
Body distance27,002 LsSolar masses2.0430Solar radius1.3902︎ HR 1477 B 1 - High metal content world
Body distance27,004 LsEarth masses5.6705Radius9,859 kmGravity2.37 gSurface temperature1,992 K (1,719°C/3,126°F)Surface pressure9.14 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick Sulphur dioxideTerraforming︎ HR 1477 C - Class M star
Body distance27,452 LsSolar masses0.4023Solar radius0.5749︎ HR 1477 BC 2 - Helium-rich gas giant
Body distance28,241 LsRing/belt typeMetal rich (Pristine)
Rocky (Pristine)Earth masses2,279.1500Radius70,142 kmGravity18.83 gSurface temperature785 K (512°C/953°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 1477 BC 2 b - Rocky body Landable
Body distance28,238 LsEarth masses0.0018Radius849 kmGravity0.10 gSurface temperature401 K (127°C/261°F)Surface pressure0.00 atmVolcanismMinor Rocky magmaAtmosphereTerraforming︎ Polonium: 0.5%︎ Mercury: 0.9%︎ Tin: 1.2%︎ Chromium: 8.9%︎ Germanium: 5.7%︎ Zirconium: 2.3%︎ Carbon: 16.2%︎ Iron: 19.7%︎ Nickel: 14.9%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%︎ HR 1477 BC 2 a - Rocky body Landable
Body distance28,242 LsEarth masses0.0014Radius794 kmGravity0.09 gSurface temperature428 K (155°C/310°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Technetium: 0.7%︎ Cadmium: 1.4%︎ Niobium: 1.3%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.2%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.7%︎ Sulphur: 18.1%︎ HR 1477 BC 1 - Class T star (brown dwarf)
Body distance28,268 LsSolar masses0.0469Solar radius0.1444︎ HR 1477 BC 1 d - Rocky body Landable
Body distance28,261 LsEarth masses0.0105Radius1,526 kmGravity0.18 gSurface temperature386 K (113°C/236°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.2%︎ Mercury: 0.9%︎ Molybdenum: 1.3%︎ Arsenic: 2.6%︎ Manganese: 8.4%︎ Zirconium: 2.4%︎ Carbon: 16.8%︎ Iron: 20.4%︎ Nickel: 15.4%︎ Phosphorus: 10.7%︎ Sulphur: 19.9%︎ HR 1477 BC 1 a - Rocky body
Body distance28,270 LsEarth masses0.0444Radius2,444 kmGravity0.30 gSurface temperature433 K (160°C/320°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ HR 1477 BC 1 b - Rocky body Landable
Body distance28,279 LsEarth masses0.0302Radius2,156 kmGravity0.26 gSurface temperature401 K (128°C/262°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Yttrium: 1.1%︎ Cadmium: 1.4%︎ Tungsten: 1.0%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Zinc: 5.0%︎ Carbon: 15.2%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ HR 1477 BC 1 c - Rocky body Landable
Body distance28,279 LsEarth masses0.0148Radius1,710 kmGravity0.20 gSurface temperature401 K (128°C/262°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Polonium: 0.5%︎ Selenium: 3.0%︎ Cadmium: 1.5%︎ Niobium: 1.3%︎ Germanium: 5.7%︎ Manganese: 8.0%︎ Carbon: 16.2%︎ Iron: 19.4%︎ Nickel: 14.7%︎ Phosphorus: 10.4%︎ Sulphur: 19.2%