Star system
HR 8737
Economy
Agriculture / Industrial
Government
Democracy
Allegiance
Federation
Star type
Class G star Scoopable
Coordinates
-75.16 / -74.53 / 9.09
Permit required
No
Powerplay
Exploited
Powers
︎ HR 8737 A - Class G star
Body distance-Solar masses1.3164Solar radius1.1616︎ HR 8737 A 1 - High metal content world
Body distance332 LsEarth masses1.1082Radius6,278 kmGravity1.14 gSurface temperature1,190 K (917°C/1,683°F)Surface pressure177.56 atmVolcanismMajor Rocky magmaAtmosphereHot Thick Carbon dioxideTerraforming︎ HR 8737 A 2 - High metal content world
Body distance487 LsEarth masses0.5776Radius5,160 kmGravity0.88 gSurface temperature820 K (547°C/1,017°F)Surface pressure39.10 atmVolcanismAtmosphereHot Thick Carbon dioxideTerraforming︎ HR 8737 A 3 - High metal content world
Body distance590 LsEarth masses0.4290Radius4,710 kmGravity0.79 gSurface temperature723 K (449°C/841°F)Surface pressure28.48 atmVolcanismAtmosphereHot Thick Carbon dioxideTerraforming︎ HR 8737 A 4 - Earth-like world
Body distance799 LsEarth masses0.9528Radius6,002 kmGravity1.07 gSurface temperature314 K (41°C/106°F)Surface pressure1.25 atmVolcanismMinor Rocky magmaAtmosphereSuitable for water-based lifeTerraformingTerraformed︎ HR 8737 A 5 - High metal content world
Body distance988 LsEarth masses2.1472Radius7,592 kmGravity1.51 gSurface temperature1,444 K (1,171°C/2,140°F)Surface pressure5,789.16 atmVolcanismMinor Metallic magmaAtmosphereHot Thick WaterTerraforming︎ HR 8737 A 6 - High metal content world
Body distance1,492 LsEarth masses1.1989Radius6,413 kmGravity1.18 gSurface temperature1,130 K (857°C/1,574°F)Surface pressure3,549.33 atmVolcanismMajor Rocky magmaAtmosphereHot Thick WaterTerraforming︎ HR 8737 A 6 a - Rocky body Landable
Body distance1,495 LsEarth masses0.0434Radius2,397 kmGravity0.31 gSurface temperature190 K (-84°C/-119°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.3%︎ Selenium: 2.9%︎ Cadmium: 1.6%︎ Tungsten: 1.1%︎ Arsenic: 2.5%︎ Chromium: 9.4%︎ Carbon: 15.8%︎ Iron: 20.8%︎ Nickel: 15.7%︎ Phosphorus: 10.1%︎ Sulphur: 18.8%︎ HR 8737 B - Class M star
Body distance16,667 LsSolar masses0.3828Solar radius0.5236︎ HR 8737 B 4 - High metal content world
Body distance16,595 LsEarth masses0.2137Radius3,792 kmGravity0.60 gSurface temperature207 K (-67°C/-88°F)Surface pressure0.10 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ HR 8737 B 2 - High metal content world
Body distance16,609 LsEarth masses0.1279Radius3,223 kmGravity0.50 gSurface temperature282 K (9°C/47°F)Surface pressure0.25 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ HR 8737 B 1 - Water world
Body distance16,723 LsEarth masses0.7484Radius5,582 kmGravity0.98 gSurface temperature337 K (64°C/148°F)Surface pressure5.55 atmVolcanismAtmosphereThick AmmoniaTerraformingTerraformable︎ HR 8737 B 3 - High metal content world
Body distance16,794 LsEarth masses0.1373Radius3,297 kmGravity0.51 gSurface temperature259 K (-14°C/7°F)Surface pressure0.36 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ HR 8737 B 5 - High metal content world
Body distance17,108 LsEarth masses0.6462Radius5,339 kmGravity0.92 gSurface temperature306 K (32°C/90°F)Surface pressure9.32 atmVolcanismAtmosphereThick Ammonia-richTerraforming︎ HR 8737 B 6 - Icy body
Body distance17,626 LsEarth masses0.7350Radius7,008 kmGravity0.61 gSurface temperature156 K (-117°C/-179°F)Surface pressure1,397.61 atmVolcanismMajor Water magmaAtmosphereThick Argon-richTerraforming