Star system
HIP 18778
Economy
Government
Allegiance
Independent
Star type
Class F star Scoopable
Coordinates
11.47 / -236.56 / -398.22
Permit required
No
Powerplay
Unoccupied
Powers
︎ HIP 18778 A - Class F star
Body distance-Solar masses1.0938Solar radius1.0692︎ HIP 18778 A 1 - High metal content world Landable
Body distance914 LsEarth masses0.1623Radius3,473 kmGravity0.55 gSurface temperature238 K (-35°C/-32°F)Surface pressure0.01 atmVolcanismAtmosphereThin Carbon dioxideTerraformingTerraformable︎ Ruthenium: 1.3%︎ Selenium: 2.4%︎ Molybdenum: 1.4%︎ Tin: 1.4%︎ Chromium: 9.8%︎ Manganese: 9.0%︎ Carbon: 12.9%︎ Iron: 21.7%︎ Nickel: 16.4%︎ Phosphorus: 8.3%︎ Sulphur: 15.4%︎ HIP 18778 A 2 - High metal content world
Body distance1,206 LsEarth masses0.3559Radius4,426 kmGravity0.74 gSurface temperature210 K (-63°C/-82°F)Surface pressure2.28 atmVolcanismAtmosphereCarbon dioxide-richTerraforming︎ HIP 18778 A 2 a - Rocky body Landable
Body distance1,208 LsEarth masses0.0226Radius1,939 kmGravity0.24 gSurface temperature182 K (-91°C/-132°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Mercury: 0.9%︎ Tungsten: 1.1%︎ Arsenic: 2.5%︎ Manganese: 8.6%︎ Vanadium: 5.1%︎ Carbon: 15.6%︎ Iron: 20.8%︎ Nickel: 15.7%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ HIP 18778 A 5 - Ammonia world
Body distance1,781 LsEarth masses0.1301Radius3,238 kmGravity0.50 gSurface temperature206 K (-67°C/-89°F)Surface pressure0.13 atmVolcanismAtmosphereAmmonia and oxygenTerraforming︎ HIP 18778 A 3 - High metal content world
Body distance1,783 LsEarth masses0.1997Radius3,708 kmGravity0.59 gSurface temperature202 K (-71°C/-96°F)Surface pressure0.10 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ HIP 18778 A 4 - High metal content world
Body distance1,783 LsEarth masses0.1060Radius3,033 kmGravity0.47 gSurface temperature217 K (-57°C/-70°F)Surface pressure0.28 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ HIP 18778 A 6 - High metal content world Landable
Body distance2,467 LsEarth masses0.0975Radius2,954 kmGravity0.45 gSurface temperature129 K (-144°C/-228°F)Surface pressure0.01 atmVolcanismAtmosphereThin NitrogenTerraforming︎ Antimony: 0.9%︎ Cadmium: 1.6%︎ Niobium: 1.4%︎ Chromium: 9.4%︎ Manganese: 8.7%︎ Zinc: 5.7%︎ Carbon: 12.5%︎ Iron: 21.0%︎ Nickel: 15.9%︎ Phosphorus: 8.0%︎ Sulphur: 14.8%︎ HIP 18778 A 7 - High metal content world
Body distance2,940 LsEarth masses0.3906Radius4,571 kmGravity0.76 gSurface temperature128 K (-145°C/-230°F)Surface pressure0.46 atmVolcanismAtmosphereNitrogenTerraforming︎ HIP 18778 A 8 - Icy body
Body distance2,949 LsEarth masses0.2249Radius4,806 kmGravity0.40 gSurface temperature111 K (-162°C/-260°F)Surface pressure5.63 atmVolcanismAtmosphereThick Argon-richTerraforming︎ HIP 18778 A 9 - Icy body Landable
Body distance4,444 LsEarth masses0.2656Radius5,065 kmGravity0.42 gSurface temperature86 K (-187°C/-304°F)Surface pressure0.05 atmVolcanismAtmosphereThin Neon-richTerraforming︎ Tellurium: 0.9%︎ Molybdenum: 1.1%︎ Tin: 1.1%︎ Manganese: 6.8%︎ Vanadium: 4.1%︎ Zinc: 4.5%︎ Carbon: 18.6%︎ Iron: 16.5%︎ Nickel: 12.5%︎ Phosphorus: 11.9%︎ Sulphur: 22.1%︎ HIP 18778 B - Class M star
Body distance206,178 LsSolar masses0.3086Solar radius0.4891︎ HIP 18778 B 8 - Icy body
Body distance204,568 LsRing/belt typeIcy (Pristine)Earth masses1.6026Radius8,949 kmGravity0.81 gSurface temperature49 K (-224°C/-371°F)Surface pressure0.31 atmVolcanismWater geysersAtmosphereNeon-richTerraforming︎ HIP 18778 B 7 - Icy body
Body distance205,938 LsEarth masses3.5437Radius11,197 kmGravity1.15 gSurface temperature387 K (113°C/236°F)Surface pressure10,470.66 atmVolcanismMajor Water geysersAtmosphereThick MethaneTerraforming︎ HIP 18778 B 7 a - Icy body Landable
Body distance206,142 LsEarth masses0.1921Radius4,963 kmGravity0.32 gSurface temperature70 K (-203°C/-333°F)Surface pressure0.01 atmVolcanismAtmosphereThin Neon-richTerraforming︎ Ruthenium: 0.7%︎ Selenium: 4.2%︎ Niobium: 0.8%︎ Tin: 0.7%︎ Chromium: 5.3%︎ Zinc: 3.2%︎ Carbon: 22.7%︎ Iron: 11.8%︎ Nickel: 8.9%︎ Phosphorus: 14.5%︎ Sulphur: 27.0%︎ HIP 18778 B 5 - Icy body
Body distance205,973 LsEarth masses0.6664Radius6,739 kmGravity0.60 gSurface temperature146 K (-128°C/-198°F)Surface pressure1,266.74 atmVolcanismAtmosphereThick NitrogenTerraforming︎ HIP 18778 B 6 - Icy body
Body distance206,095 LsEarth masses0.9555Radius7,516 kmGravity0.69 gSurface temperature288 K (15°C/59°F)Surface pressure1,762.69 atmVolcanismMinor Carbon dioxide geysersAtmosphereThick Methane-richTerraforming︎ HIP 18778 B 4 - Icy body
Body distance206,139 LsEarth masses0.7083Radius6,865 kmGravity0.61 gSurface temperature141 K (-132°C/-206°F)Surface pressure191.40 atmVolcanismAtmosphereThick Argon-richTerraforming︎ HIP 18778 B 3 - High metal content world
Body distance206,161 LsEarth masses0.8920Radius5,879 kmGravity1.05 gSurface temperature212 K (-61°C/-78°F)Surface pressure1.84 atmVolcanismAtmosphereNitrogenTerraforming︎ HIP 18778 B 1 - High metal content world Landable
Body distance206,188 LsEarth masses0.0093Radius1,380 kmGravity0.20 gSurface temperature364 K (90°C/195°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.8%︎ Cadmium: 1.7%︎ Mercury: 0.9%︎ Chromium: 9.6%︎ Manganese: 8.8%︎ Vanadium: 5.2%︎ Carbon: 12.6%︎ Iron: 21.3%︎ Nickel: 16.1%︎ Phosphorus: 8.1%︎ Sulphur: 15.0%︎ HIP 18778 B 2 - High metal content world
Body distance206,200 LsEarth masses0.2025Radius3,724 kmGravity0.59 gSurface temperature390 K (117°C/242°F)Surface pressure0.20 atmVolcanismAtmosphereCarbon dioxideTerraformingTerraformable