Star system
Ross 378
Economy
Government
Allegiance
Independent
Star type
Class G star Scoopable
Coordinates
14.69 / -67.66 / -175.72
Permit required
No
︎ Ross 378 A - Class G star
Body distance-Solar masses0.9844Solar radius0.9922︎ Ross 378 A 1 - High metal content world
Body distance317 LsEarth masses0.2483Radius3,971 kmGravity0.64 gSurface temperature451 K (178°C/352°F)Surface pressure0.52 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ Ross 378 A 2 - High metal content world Landable
Body distance422 LsEarth masses0.1476Radius3,371 kmGravity0.53 gSurface temperature308 K (35°C/95°F)Surface pressure0.04 atmVolcanismAtmosphereThin Carbon dioxideTerraformingTerraformable︎ Polonium: 0.6%︎ Molybdenum: 1.4%︎ Tungsten: 1.2%︎ Manganese: 9.1%︎ Vanadium: 5.4%︎ Zinc: 6.0%︎ Carbon: 13.2%︎ Iron: 22.1%︎ Nickel: 16.7%︎ Phosphorus: 8.5%︎ Sulphur: 15.7%︎ Ross 378 A 3 - High metal content world
Body distance602 LsEarth masses0.5377Radius5,037 kmGravity0.86 gSurface temperature220 K (-53°C/-64°F)Surface pressure3.34 atmVolcanismAtmosphereNitrogenTerraformingTerraformable︎ Ross 378 A 3 a - Rocky body Landable
Body distance601 LsEarth masses0.0141Radius1,660 kmGravity0.21 gSurface temperature211 K (-62°C/-79°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 2.9%︎ Tellurium: 1.4%︎ Molybdenum: 1.3%︎ Tungsten: 1.1%︎ Germanium: 5.4%︎ Manganese: 8.4%︎ Carbon: 15.4%︎ Iron: 20.4%︎ Nickel: 15.4%︎ Phosphorus: 9.9%︎ Sulphur: 18.3%︎ Ross 378 A 4 - High metal content world
Body distance845 LsEarth masses0.4631Radius4,818 kmGravity0.81 gSurface temperature244 K (-29°C/-20°F)Surface pressure0.87 atmVolcanismAtmosphereCarbon dioxide-richTerraforming︎ Ross 378 A 5 - Water world
Body distance846 LsEarth masses0.3925Radius4,579 kmGravity0.76 gSurface temperature291 K (18°C/64°F)Surface pressure1.11 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ Ross 378 A 6 - High metal content world
Body distance1,199 LsEarth masses0.3409Radius4,384 kmGravity0.72 gSurface temperature230 K (-43°C/-46°F)Surface pressure2.70 atmVolcanismAtmosphereCarbon dioxide-richTerraforming︎ Ross 378 A 7 - Rocky ice world
Body distance2,024 LsEarth masses2.1740Radius8,941 kmGravity1.11 gSurface temperature142 K (-131°C/-203°F)Surface pressure629.32 atmVolcanismMajor Water geysersAtmosphereThick Argon-richTerraforming︎ Ross 378 A 7 a - Icy body
Body distance2,030 LsEarth masses0.1624Radius4,521 kmGravity0.32 gSurface temperature110 K (-163°C/-262°F)Surface pressure4.38 atmVolcanismAtmosphereArgon-richTerraforming︎ Ross 378 A 8 - Icy body
Body distance3,775 LsEarth masses4.0608Radius11,677 kmGravity1.21 gSurface temperature450 K (177°C/351°F)Surface pressure17,480.78 atmVolcanismMajor Water geysersAtmosphereThick Methane-richTerraforming︎ Ross 378 A 9 - Class I gas giant
Body distance17,577 LsEarth masses228.9240Radius65,092 kmGravity2.20 gSurface temperature71 K (-202°C/-331°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ross 378 B - Class K star
Body distance171,833 LsSolar masses0.6563Solar radius0.7024︎ Ross 378 B 4 - Rocky ice world
Body distance171,280 LsEarth masses0.3292Radius4,650 kmGravity0.62 gSurface temperature159 K (-115°C/-174°F)Surface pressure399.98 atmVolcanismAtmosphereThick Argon-richTerraforming︎ Ross 378 B 4 a - Rocky ice world Landable
Body distance171,280 LsEarth masses0.0200Radius2,137 kmGravity0.18 gSurface temperature121 K (-152°C/-242°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.9%︎ Cadmium: 1.2%︎ Niobium: 1.1%︎ Arsenic: 1.9%︎ Chromium: 7.2%︎ Manganese: 6.6%︎ Carbon: 18.7%︎ Iron: 16.1%︎ Nickel: 12.1%︎ Phosphorus: 11.9%︎ Sulphur: 22.2%︎ Ross 378 B 3 - High metal content world
Body distance171,402 LsEarth masses0.7043Radius5,476 kmGravity0.95 gSurface temperature230 K (-43°C/-46°F)Surface pressure1.32 atmVolcanismAtmosphereCarbon dioxide-richTerraforming︎ Ross 378 B 2 - High metal content world
Body distance171,407 LsEarth masses0.5005Radius4,935 kmGravity0.84 gSurface temperature228 K (-45°C/-49°F)Surface pressure1.20 atmVolcanismAtmosphereNitrogenTerraforming︎ Ross 378 B 1 - Icy body
Body distance171,690 LsEarth masses0.7820Radius7,188 kmGravity0.61 gSurface temperature501 K (227°C/441°F)Surface pressure1,490.30 atmVolcanismMinor Carbon dioxide geysersAtmosphereHot Thick Argon-richTerraforming︎ Ross 378 B 7 - Icy body
Body distance172,386 LsEarth masses0.3973Radius5,868 kmGravity0.47 gSurface temperature73 K (-200°C/-328°F)Surface pressure0.13 atmVolcanismAtmosphereNeon-richTerraforming︎ Ross 378 B 5 - Icy body
Body distance172,539 LsEarth masses0.7215Radius6,659 kmGravity0.66 gSurface temperature136 K (-137°C/-215°F)Surface pressure211.54 atmVolcanismMinor Carbon dioxide geysersAtmosphereThick Argon-richTerraforming︎ Ross 378 B 5 a - Icy body Landable
Body distance172,539 LsEarth masses0.0309Radius2,694 kmGravity0.17 gSurface temperature109 K (-164°C/-263°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.8%︎ Selenium: 3.9%︎ Niobium: 0.9%︎ Tin: 0.8%︎ Chromium: 5.8%︎ Manganese: 5.3%︎ Carbon: 21.1%︎ Iron: 13.0%︎ Nickel: 9.8%︎ Phosphorus: 13.5%︎ Sulphur: 25.1%︎ Ross 378 B 6 - Icy body
Body distance173,144 LsEarth masses0.4667Radius6,169 kmGravity0.50 gSurface temperature129 K (-144°C/-227°F)Surface pressure891.58 atmVolcanismAtmosphereThick NitrogenTerraforming