Star system
21 Eta Cygni
Economy
Refinery
Government
Dictatorship
Allegiance
Independent
Star type
Class K star (orange giant) Scoopable
Coordinates
-127.69 / 7.31 / 43.13
Permit required
No
︎ 21 Eta Cygni A - Class K star (orange giant)
Body distance-Solar masses0.6719Solar radius10.9507︎ 21 Eta Cygni A 1 - High metal content world Landable
Body distance270 LsEarth masses2.1345Radius7,584 kmGravity1.51 gSurface temperature885 K (612°C/1,134°F)Surface pressure0.00 atmVolcanismMinor Silicate vapour geysersAtmosphereTerraforming︎ Technetium: 0.8%︎ Mercury: 0.9%︎ Tungsten: 1.2%︎ Chromium: 9.7%︎ Germanium: 4.5%︎ Manganese: 8.9%︎ Carbon: 12.8%︎ Iron: 21.6%︎ Nickel: 16.3%︎ Phosphorus: 8.2%︎ Sulphur: 15.2%︎ 21 Eta Cygni A 2 - High metal content world
Body distance582 LsEarth masses2.3106Radius7,736 kmGravity1.57 gSurface temperature2,054 K (1,781°C/3,237°F)Surface pressure334.33 atmVolcanismMinor Metallic magmaAtmosphereHot Thick Carbon dioxideTerraforming︎ 21 Eta Cygni A 2 a - Rocky body Landable
Body distance584 LsEarth masses0.1122Radius3,249 kmGravity0.43 gSurface temperature612 K (339°C/642°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.3%︎ Cadmium: 1.5%︎ Niobium: 1.3%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Zinc: 5.2%︎ Carbon: 14.3%︎ Iron: 19.2%︎ Nickel: 14.5%︎ Phosphorus: 9.2%︎ Sulphur: 17.0%︎ 21 Eta Cygni B - Class M star
Body distance6,494 LsSolar masses0.3633Solar radius0.5552︎ 21 Eta Cygni B 1 - Class III gas giant
Body distance6,742 LsEarth masses192.1970Radius64,538 kmGravity1.88 gSurface temperature314 K (41°C/105°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming