Star system
HR 1685
Economy
Government
Allegiance
Independent
Star type
Class K star (orange giant) Scoopable
Coordinates
55.63 / -58.94 / -129.34
Permit required
No
Powerplay
Unoccupied
Powers
︎ HR 1685 A - Class K star (orange giant)
Body distance-Solar masses0.5742Solar radius0.7760︎ HR 1685 B - Class L star (brown dwarf)
Body distance1,400 LsSolar masses0.1641Solar radius0.3378︎ HR 1685 C - Class M star
Body distance260,699 LsSolar masses0.2773Solar radius0.4473︎ HR 1685 C 5 - Class I gas giant
Body distance259,714 LsEarth masses6.4345Radius19,061 kmGravity0.72 gSurface temperature52 K (-221°C/-366°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 1685 C 5 a - Icy body Landable
Body distance259,689 LsEarth masses0.0002Radius522 kmGravity0.03 gSurface temperature47 K (-227°C/-376°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.4%︎ Cadmium: 0.9%︎ Niobium: 0.8%︎ Chromium: 5.4%︎ Manganese: 4.9%︎ Zinc: 3.2%︎ Carbon: 22.4%︎ Iron: 12.0%︎ Nickel: 9.0%︎ Phosphorus: 14.3%︎ Sulphur: 26.6%︎ HR 1685 C 5 b - Icy body Landable
Body distance259,712 LsEarth masses0.0002Radius530 kmGravity0.03 gSurface temperature47 K (-227°C/-376°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 0.7%︎ Niobium: 0.8%︎ Tin: 0.7%︎ Germanium: 3.5%︎ Manganese: 5.0%︎ Zinc: 3.3%︎ Carbon: 22.8%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.6%︎ Sulphur: 27.1%︎ HR 1685 C 5 c - Icy body Landable
Body distance259,715 LsEarth masses0.0003Radius607 kmGravity0.04 gSurface temperature47 K (-227°C/-376°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.7%︎ Cadmium: 0.9%︎ Tin: 0.7%︎ Chromium: 5.4%︎ Germanium: 3.4%︎ Manganese: 4.9%︎ Carbon: 22.3%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.3%︎ Sulphur: 26.5%︎ HR 1685 C 1 - Rocky ice world
Body distance260,578 LsEarth masses0.8531Radius6,763 kmGravity0.76 gSurface temperature322 K (49°C/119°F)Surface pressure1,405.99 atmVolcanismMinor Carbon dioxide geysersAtmosphereThick Methane-richTerraforming︎ HR 1685 C 2 - Rocky ice world
Body distance260,608 LsEarth masses0.6944Radius6,355 kmGravity0.70 gSurface temperature276 K (3°C/37°F)Surface pressure1,189.80 atmVolcanismMajor Water magmaAtmosphereThick Methane-richTerraforming︎ HR 1685 C 3 - Icy body
Body distance260,880 LsEarth masses4.7890Radius11,958 kmGravity1.36 gSurface temperature412 K (139°C/282°F)Surface pressure19,984.11 atmVolcanismMajor Water geysersAtmosphereThick Methane-richTerraforming︎ HR 1685 C 4 - Class I gas giant
Body distance261,973 LsEarth masses45.4551Radius50,631 kmGravity0.72 gSurface temperature62 K (-211°C/-348°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HR 1685 C 4 c - Icy body Landable
Body distance261,969 LsEarth masses0.0007Radius776 kmGravity0.05 gSurface temperature53 K (-220°C/-363°F)Surface pressure0.00 atmVolcanismAtmosphereThin ArgonTerraforming︎ Yttrium: 0.7%︎ Cadmium: 0.9%︎ Tin: 0.7%︎ Chromium: 5.5%︎ Vanadium: 3.0%︎ Zinc: 3.3%︎ Carbon: 22.8%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.6%︎ Sulphur: 27.1%︎ HR 1685 C 4 d - Icy body Landable
Body distance261,970 LsEarth masses0.0011Radius897 kmGravity0.05 gSurface temperature53 K (-220°C/-364°F)Surface pressure0.00 atmVolcanismAtmosphereThin ArgonTerraforming︎ Polonium: 0.3%︎ Selenium: 4.2%︎ Tin: 0.7%︎ Tungsten: 0.7%︎ Chromium: 5.4%︎ Zinc: 3.3%︎ Carbon: 22.6%︎ Iron: 12.1%︎ Nickel: 9.2%︎ Phosphorus: 14.5%︎ Sulphur: 26.9%︎ HR 1685 C 4 b - Icy body Landable
Body distance261,971 LsEarth masses0.0003Radius587 kmGravity0.03 gSurface temperature54 K (-220°C/-363°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 0.9%︎ Cadmium: 1.0%︎ Mercury: 0.5%︎ Germanium: 3.6%︎ Manganese: 5.1%︎ Zirconium: 1.4%︎ Carbon: 23.2%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 14.9%︎ Sulphur: 27.6%︎ HR 1685 C 4 a - Icy body Landable
Body distance261,982 LsEarth masses0.0003Radius613 kmGravity0.04 gSurface temperature54 K (-219°C/-363°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.2%︎ Yttrium: 0.7%︎ Tin: 0.7%︎ Tungsten: 0.7%︎ Chromium: 5.4%︎ Zinc: 3.3%︎ Carbon: 22.6%︎ Iron: 12.1%︎ Nickel: 9.1%︎ Phosphorus: 14.4%︎ Sulphur: 26.8%