Star system
21 Monocerotis
Economy
Government
Allegiance
Independent
Star type
Class F star Scoopable
Coordinates
165.94 / 23.94 / -229.69
Permit required
No
︎ 21 Monocerotis A - Class F star
Body distance-Solar masses1.3438Solar radius1.2671︎ 21 Monocerotis A 1 - High metal content world
Body distance160 LsEarth masses24.8627Radius14,154 kmGravity5.04 gSurface temperature4,966 K (4,693°C/8,479°F)Surface pressure95,402.02 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick Carbon dioxide-richTerraforming︎ 21 Monocerotis A 2 - High metal content world
Body distance643 LsEarth masses2.7837Radius8,190 kmGravity1.69 gSurface temperature1,875 K (1,602°C/2,916°F)Surface pressure393.10 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick Carbon dioxideTerraforming︎ 21 Monocerotis A 2 a - Rocky body Landable
Body distance643 LsEarth masses0.0002Radius398 kmGravity0.05 gSurface temperature547 K (274°C/525°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Arsenic: 2.5%︎ Chromium: 8.8%︎ Zinc: 5.3%︎ Carbon: 16.1%︎ Iron: 19.5%︎ Nickel: 14.7%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ 21 Monocerotis A 2 b - Rocky body Landable
Body distance645 LsEarth masses0.0002Radius404 kmGravity0.05 gSurface temperature547 K (274°C/525°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.7%︎ Niobium: 1.3%︎ Tungsten: 1.0%︎ Chromium: 8.4%︎ Manganese: 7.7%︎ Vanadium: 4.6%︎ Carbon: 15.4%︎ Iron: 18.7%︎ Nickel: 14.1%︎ Phosphorus: 9.9%︎ Sulphur: 18.3%︎ 21 Monocerotis A 4 - High metal content world Landable
Body distance843 LsRing/belt typeRocky (Pristine)Earth masses3.4297Radius8,679 kmGravity1.85 gSurface temperature478 K (205°C/401°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Technetium: 0.8%︎ Niobium: 1.4%︎ Tungsten: 1.2%︎ Chromium: 9.5%︎ Manganese: 8.8%︎ Vanadium: 5.2%︎ Carbon: 12.7%︎ Iron: 21.2%︎ Nickel: 16.0%︎ Phosphorus: 8.1%︎ Sulphur: 15.1%︎ 21 Monocerotis A 3 - Helium-rich gas giant
Body distance853 LsRing/belt typeMetal rich (Pristine)Earth masses211.6840Radius64,497 kmGravity2.07 gSurface temperature491 K (218°C/424°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 21 Monocerotis A 3 b - Rocky body
Body distance852 LsEarth masses0.0005Radius564 kmGravity0.07 gSurface temperature483 K (209°C/409°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ 21 Monocerotis A 3 a - Rocky body Landable
Body distance853 LsEarth masses0.0018Radius853 kmGravity0.10 gSurface temperature484 K (211°C/412°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Selenium: 3.1%︎ Cadmium: 1.6%︎ Niobium: 1.4%︎ Vanadium: 4.9%︎ Zinc: 5.5%︎ Carbon: 16.6%︎ Iron: 20.2%︎ Nickel: 15.2%︎ Phosphorus: 10.6%︎ Sulphur: 19.7%︎ 21 Monocerotis A 5 - Helium-rich gas giant
Body distance1,078 LsRing/belt typeMetal rich (Pristine)
Rocky (Pristine)Earth masses372.0010Radius69,172 kmGravity3.16 gSurface temperature465 K (192°C/378°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 21 Monocerotis A 5 g - Rocky body Landable
Body distance1,072 LsEarth masses0.0036Radius1,070 kmGravity0.13 gSurface temperature431 K (158°C/316°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.7%︎ Mercury: 0.9%︎ Niobium: 1.4%︎ Manganese: 8.2%︎ Vanadium: 4.9%︎ Zirconium: 2.3%︎ Carbon: 16.4%︎ Iron: 20.0%︎ Nickel: 15.1%︎ Phosphorus: 10.5%︎ Sulphur: 19.5%︎ 21 Monocerotis A 5 d - Rocky body Landable
Body distance1,075 LsEarth masses0.0011Radius730 kmGravity0.09 gSurface temperature434 K (161°C/322°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Mercury: 0.8%︎ Tungsten: 1.0%︎ Chromium: 8.5%︎ Germanium: 5.5%︎ Zinc: 5.2%︎ Carbon: 15.7%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 10.0%︎ Sulphur: 18.7%︎ 21 Monocerotis A 5 b - Rocky body
Body distance1,076 LsEarth masses0.0008Radius644 kmGravity0.07 gSurface temperature437 K (164°C/326°F)Surface pressure0.00 atmVolcanismRocky magmaAtmosphereSulphur dioxideTerraforming︎ 21 Monocerotis A 5 c - Rocky body Landable
Body distance1,076 LsEarth masses0.0017Radius833 kmGravity0.10 gSurface temperature435 K (162°C/324°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.1%︎ Selenium: 2.9%︎ Cadmium: 1.5%︎ Molybdenum: 1.2%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.5%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 9.9%︎ Sulphur: 18.4%︎ 21 Monocerotis A 5 e - Rocky body Landable
Body distance1,078 LsEarth masses0.0009Radius680 kmGravity0.08 gSurface temperature432 K (159°C/319°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.7%︎ Mercury: 0.8%︎ Niobium: 1.3%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Zirconium: 2.2%︎ Carbon: 15.8%︎ Iron: 19.2%︎ Nickel: 14.5%︎ Phosphorus: 10.1%︎ Sulphur: 18.8%︎ 21 Monocerotis A 5 a - Rocky body Landable
Body distance1,078 LsEarth masses0.0013Radius763 kmGravity0.09 gSurface temperature439 K (165°C/330°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Tellurium: 1.5%︎ Cadmium: 1.6%︎ Tin: 1.2%︎ Germanium: 5.8%︎ Vanadium: 5.0%︎ Zirconium: 2.3%︎ Carbon: 16.7%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.7%︎ Sulphur: 19.8%︎ 21 Monocerotis A 5 f - Rocky body Landable
Body distance1,081 LsEarth masses0.0020Radius879 kmGravity0.10 gSurface temperature432 K (159°C/317°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.2%︎ Mercury: 0.9%︎ Tin: 1.2%︎ Germanium: 5.9%︎ Vanadium: 5.0%︎ Zirconium: 2.4%︎ Carbon: 16.8%︎ Iron: 20.4%︎ Nickel: 15.4%︎ Phosphorus: 10.8%︎ Sulphur: 20.0%︎ 21 Monocerotis A 6 - Helium-rich gas giant
Body distance1,571 LsEarth masses186.1220Radius63,893 kmGravity1.85 gSurface temperature367 K (94°C/202°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 21 Monocerotis A 6 e - Rocky body Landable
Body distance1,569 LsEarth masses0.0005Radius565 kmGravity0.07 gSurface temperature358 K (85°C/185°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Cadmium: 1.5%︎ Tungsten: 1.1%︎ Arsenic: 2.5%︎ Chromium: 8.8%︎ Germanium: 5.6%︎ Carbon: 16.1%︎ Iron: 19.5%︎ Nickel: 14.8%︎ Phosphorus: 10.3%︎ Sulphur: 19.2%︎ 21 Monocerotis A 6 d - Rocky body Landable
Body distance1,570 LsEarth masses0.0009Radius671 kmGravity0.08 gSurface temperature359 K (86°C/186°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Yttrium: 1.1%︎ Cadmium: 1.4%︎ Tungsten: 1.0%︎ Chromium: 8.2%︎ Manganese: 7.5%︎ Vanadium: 4.5%︎ Carbon: 15.6%︎ Iron: 18.2%︎ Nickel: 13.8%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ 21 Monocerotis A 6 c - Rocky body Landable
Body distance1,570 LsEarth masses0.0018Radius860 kmGravity0.10 gSurface temperature359 K (86°C/186°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Antimony: 1.2%︎ Selenium: 3.0%︎ Mercury: 0.9%︎ Tungsten: 1.1%︎ Germanium: 5.6%︎ Manganese: 8.2%︎ Carbon: 16.0%︎ Iron: 19.8%︎ Nickel: 15.0%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ 21 Monocerotis A 6 f - Rocky body Landable
Body distance1,571 LsEarth masses0.0036Radius1,075 kmGravity0.13 gSurface temperature357 K (84°C/183°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.1%︎ Molybdenum: 1.2%︎ Niobium: 1.3%︎ Chromium: 8.5%︎ Germanium: 5.4%︎ Zinc: 5.1%︎ Carbon: 15.6%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ 21 Monocerotis A 6 b - Rocky body Landable
Body distance1,571 LsEarth masses0.0006Radius577 kmGravity0.07 gSurface temperature361 K (88°C/190°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Yttrium: 1.1%︎ Cadmium: 1.5%︎ Molybdenum: 1.2%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Zirconium: 2.2%︎ Carbon: 15.7%︎ Iron: 19.0%︎ Nickel: 14.3%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ 21 Monocerotis A 6 a - Rocky body Landable
Body distance1,571 LsEarth masses0.0006Radius595 kmGravity0.07 gSurface temperature361 K (88°C/190°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Antimony: 1.2%︎ Selenium: 3.1%︎ Cadmium: 1.6%︎ Tungsten: 1.1%︎ Germanium: 5.8%︎ Zinc: 5.4%︎ Carbon: 16.5%︎ Iron: 20.0%︎ Nickel: 15.1%︎ Phosphorus: 10.6%︎ Sulphur: 19.6%︎ 21 Monocerotis A 7 - Helium-rich gas giant
Body distance1,952 LsRing/belt typeMetallic (Pristine)
Rocky (Pristine)Earth masses221.3990Radius64,477 kmGravity2.16 gSurface temperature338 K (65°C/149°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 21 Monocerotis A 7 a - Rocky body Landable
Body distance1,952 LsEarth masses0.0020Radius884 kmGravity0.10 gSurface temperature325 K (52°C/125°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 1.2%︎ Mercury: 0.9%︎ Molybdenum: 1.3%︎ Germanium: 5.7%︎ Vanadium: 4.8%︎ Zinc: 5.4%︎ Carbon: 16.3%︎ Iron: 19.7%︎ Nickel: 14.9%︎ Phosphorus: 10.4%︎ Sulphur: 19.4%︎ 21 Monocerotis A 7 b - Rocky body Landable
Body distance1,952 LsEarth masses0.0012Radius757 kmGravity0.09 gSurface temperature325 K (52°C/125°F)Surface pressure0.00 atmVolcanismMinor Rocky magmaAtmosphereTerraforming︎ Selenium: 3.1%︎ Tellurium: 1.5%︎ Niobium: 1.4%︎ Tungsten: 1.1%︎ Germanium: 5.8%︎ Zinc: 5.4%︎ Carbon: 16.5%︎ Iron: 20.0%︎ Nickel: 15.1%︎ Phosphorus: 10.6%︎ Sulphur: 19.6%︎ 21 Monocerotis A 7 c - Rocky body Landable
Body distance1,953 LsEarth masses0.0023Radius921 kmGravity0.11 gSurface temperature324 K (51°C/123°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.1%︎ Technetium: 0.7%︎ Cadmium: 1.6%︎ Mercury: 0.9%︎ Arsenic: 2.6%︎ Manganese: 8.4%︎ Carbon: 16.7%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.7%︎ Sulphur: 19.9%︎ 21 Monocerotis A 7 d - Rocky body Landable
Body distance1,955 LsEarth masses0.0022Radius908 kmGravity0.11 gSurface temperature322 K (49°C/120°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Cadmium: 1.5%︎ Mercury: 0.8%︎ Chromium: 8.4%︎ Manganese: 7.7%︎ Vanadium: 4.6%︎ Carbon: 15.4%︎ Iron: 18.7%︎ Nickel: 14.1%︎ Phosphorus: 9.9%︎ Sulphur: 18.4%︎ 21 Monocerotis A 8 - Helium-rich gas giant
Body distance1,970 LsRing/belt typeMetal rich (Pristine)Earth masses134.6390Radius60,269 kmGravity1.51 gSurface temperature327 K (54°C/128°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 21 Monocerotis A 8 c - Rocky body Landable
Body distance1,969 LsEarth masses0.0014Radius792 kmGravity0.09 gSurface temperature323 K (50°C/122°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Mercury: 0.9%︎ Niobium: 1.4%︎ Arsenic: 2.6%︎ Chromium: 9.1%︎ Zirconium: 2.3%︎ Carbon: 16.6%︎ Iron: 20.2%︎ Nickel: 15.2%︎ Phosphorus: 10.7%︎ Sulphur: 19.8%︎ 21 Monocerotis A 8 a - Rocky body Landable
Body distance1,970 LsEarth masses0.0011Radius721 kmGravity0.08 gSurface temperature324 K (51°C/124°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Selenium: 2.9%︎ Yttrium: 1.1%︎ Tin: 1.1%︎ Tungsten: 1.0%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.6%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ 21 Monocerotis A 8 d - Rocky body Landable
Body distance1,970 LsEarth masses0.0018Radius859 kmGravity0.10 gSurface temperature322 K (49°C/120°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.0%︎ Yttrium: 1.2%︎ Cadmium: 1.5%︎ Molybdenum: 1.3%︎ Chromium: 8.7%︎ Zinc: 5.3%︎ Carbon: 16.0%︎ Iron: 19.3%︎ Nickel: 14.6%︎ Phosphorus: 10.2%︎ Sulphur: 19.0%︎ 21 Monocerotis A 8 b - Rocky body Landable
Body distance1,971 LsEarth masses0.0014Radius779 kmGravity0.09 gSurface temperature323 K (50°C/123°F)Surface pressure0.00 atmVolcanismMinor Silicate vapour geysersAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Cadmium: 1.5%︎ Tungsten: 1.0%︎ Chromium: 8.5%︎ Germanium: 5.4%︎ Zinc: 5.1%︎ Carbon: 15.6%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ 21 Monocerotis A 9 - Helium-rich gas giant
Body distance2,598 LsRing/belt typeMetallic (Pristine)
Rocky (Pristine)Earth masses60.7663Radius44,353 kmGravity1.26 gSurface temperature277 K (4°C/39°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 21 Monocerotis A 9 c - Rocky body Landable
Body distance2,597 LsEarth masses0.0052Radius1,213 kmGravity0.14 gSurface temperature278 K (5°C/41°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Cadmium: 1.6%︎ Molybdenum: 1.3%︎ Arsenic: 2.6%︎ Vanadium: 5.0%︎ Zinc: 5.5%︎ Carbon: 16.7%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.7%︎ Sulphur: 19.9%︎ 21 Monocerotis A 9 b - Rocky body Landable
Body distance2,598 LsEarth masses0.0053Radius1,224 kmGravity0.14 gSurface temperature279 K (6°C/42°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Yttrium: 1.1%︎ Niobium: 1.3%︎ Tin: 1.1%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.2%︎ Iron: 18.4%︎ Nickel: 13.9%︎ Phosphorus: 9.7%︎ Sulphur: 18.1%︎ 21 Monocerotis A 9 a - Rocky body Landable
Body distance2,598 LsEarth masses0.0026Radius967 kmGravity0.11 gSurface temperature279 K (6°C/43°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Yttrium: 1.1%︎ Cadmium: 1.5%︎ Mercury: 0.8%︎ Chromium: 8.5%︎ Germanium: 5.4%︎ Zinc: 5.2%︎ Carbon: 15.6%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ 21 Monocerotis A 10 - High metal content world
Body distance3,673 LsEarth masses6.7567Radius10,410 kmGravity2.53 gSurface temperature1,682 K (1,409°C/2,569°F)Surface pressure16,410.56 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick WaterTerraforming︎ 21 Monocerotis B - Class K star
Body distance159,844 LsSolar masses0.7031Solar radius0.8587︎ 21 Monocerotis B 11 - Icy body
Body distance154,302 LsRing/belt typeIcy (Pristine)Earth masses114.2100Radius24,088 kmGravity8.00 gSurface temperature81 K (-193°C/-315°F)Surface pressure33.43 atmVolcanismWater geysersAtmosphereThick HeliumTerraforming︎ 21 Monocerotis B 7 - Helium-rich gas giant
Body distance157,448 LsEarth masses1,298.5800Radius70,626 kmGravity10.58 gSurface temperature331 K (58°C/137°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 21 Monocerotis B 7 a - Rocky body Landable
Body distance157,438 LsEarth masses0.0050Radius1,195 kmGravity0.14 gSurface temperature122 K (-151°C/-240°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.4%︎ Mercury: 0.8%︎ Chromium: 8.3%︎ Manganese: 7.7%︎ Vanadium: 4.6%︎ Carbon: 15.3%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.8%︎ Sulphur: 18.2%︎ 21 Monocerotis B 7 b - Icy body Landable
Body distance157,453 LsEarth masses0.0028Radius1,150 kmGravity0.09 gSurface temperature103 K (-171°C/-275°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.0%︎ Mercury: 0.7%︎ Niobium: 1.1%︎ Manganese: 6.4%︎ Vanadium: 3.8%︎ Zirconium: 1.8%︎ Carbon: 20.5%︎ Iron: 15.5%︎ Nickel: 11.7%︎ Phosphorus: 13.2%︎ Sulphur: 24.4%︎ 21 Monocerotis B 8 - Helium-rich gas giant
Body distance157,554 LsRing/belt typeRocky (Pristine)Earth masses453.5190Radius69,243 kmGravity3.84 gSurface temperature164 K (-109°C/-164°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 21 Monocerotis B 2 - High metal content world
Body distance159,831 LsEarth masses5.9830Radius10,085 kmGravity2.39 gSurface temperature3,750 K (3,477°C/6,290°F)Surface pressure9,185.19 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick Carbon dioxide-richTerraforming︎ 21 Monocerotis B 1 - High metal content world
Body distance159,848 LsEarth masses1.4919Radius6,849 kmGravity1.29 gSurface temperature1,326 K (1,052°C/1,926°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ 21 Monocerotis B 3 - High metal content world
Body distance159,869 LsEarth masses5.8977Radius10,047 kmGravity2.37 gSurface temperature2,796 K (2,522°C/4,572°F)Surface pressure1,110.94 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick Carbon dioxideTerraforming︎ 21 Monocerotis B 6 - Helium-rich gas giant
Body distance160,434 LsRing/belt typeMetal rich (Pristine)
Rocky (Pristine)Earth masses243.0380Radius65,840 kmGravity2.28 gSurface temperature145 K (-128°C/-198°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 21 Monocerotis B 6 b - Rocky body Landable
Body distance160,433 LsEarth masses0.0013Radius772 kmGravity0.09 gSurface temperature126 K (-147°C/-233°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.0%︎ Technetium: 0.7%︎ Mercury: 0.9%︎ Tungsten: 1.1%︎ Chromium: 8.8%︎ Germanium: 5.6%︎ Carbon: 16.1%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ 21 Monocerotis B 6 a - Rocky body Landable
Body distance160,434 LsEarth masses0.0010Radius699 kmGravity0.08 gSurface temperature128 K (-145°C/-229°F)Surface pressure0.00 atmVolcanismMetallic magmaAtmosphereTerraforming︎ Antimony: 1.1%︎ Cadmium: 1.4%︎ Molybdenum: 1.2%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Zinc: 5.0%︎ Carbon: 15.2%︎ Iron: 18.5%︎ Nickel: 14.0%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ 21 Monocerotis B 5 - Helium-rich gas giant
Body distance160,467 LsRing/belt typeRocky (Pristine)Earth masses589.3180Radius71,026 kmGravity4.75 gSurface temperature201 K (-72°C/-98°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 21 Monocerotis B 5 a - Rocky body
Body distance160,469 LsEarth masses0.0019Radius874 kmGravity0.10 gSurface temperature243 K (-30°C/-22°F)Surface pressure1.95 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ 21 Monocerotis B 4 - Gas giant with water-based life
Body distance161,233 LsEarth masses146.6070Radius60,435 kmGravity1.63 gSurface temperature155 K (-118°C/-181°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 21 Monocerotis B 4 d - Rocky body Landable
Body distance158,874 LsEarth masses0.0016Radius819 kmGravity0.10 gSurface temperature169 K (-104°C/-155°F)Surface pressure0.02 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Selenium: 3.1%︎ Technetium: 0.7%︎ Molybdenum: 1.3%︎ Niobium: 1.4%︎ Arsenic: 2.6%︎ Chromium: 9.0%︎ Carbon: 16.5%︎ Iron: 20.0%︎ Nickel: 15.1%︎ Phosphorus: 10.6%︎ Sulphur: 19.7%︎ 21 Monocerotis B 4 a - Rocky body
Body distance161,233 LsEarth masses0.0038Radius1,088 kmGravity0.13 gSurface temperature285 K (12°C/53°F)Surface pressure3.18 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ 21 Monocerotis B 4 b - Rocky body
Body distance161,235 LsEarth masses0.0007Radius612 kmGravity0.07 gSurface temperature165 K (-109°C/-164°F)Surface pressure0.01 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ 21 Monocerotis B 4 c - Rocky body
Body distance161,237 LsEarth masses0.0021Radius899 kmGravity0.11 gSurface temperature172 K (-101°C/-151°F)Surface pressure0.02 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ 21 Monocerotis B 9 - Helium-rich gas giant
Body distance164,576 LsRing/belt typeIcy (Pristine)Earth masses663.7500Radius66,283 kmGravity6.14 gSurface temperature186 K (-87°C/-125°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 21 Monocerotis B 9 f - Icy body Landable
Body distance164,573 LsEarth masses0.0022Radius1,149 kmGravity0.07 gSurface temperature87 K (-186°C/-302°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Selenium: 4.2%︎ Tellurium: 0.9%︎ Mercury: 0.5%︎ Niobium: 0.8%︎ Chromium: 5.4%︎ Germanium: 3.4%︎ Carbon: 22.5%︎ Iron: 12.0%︎ Nickel: 9.0%︎ Phosphorus: 14.4%︎ Sulphur: 26.8%︎ 21 Monocerotis B 9 e - Icy body Landable
Body distance164,573 LsEarth masses0.0053Radius1,529 kmGravity0.09 gSurface temperature87 K (-186°C/-302°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Tellurium: 0.9%︎ Cadmium: 0.9%︎ Niobium: 0.8%︎ Chromium: 5.3%︎ Germanium: 3.4%︎ Manganese: 4.9%︎ Carbon: 22.2%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.2%︎ Sulphur: 26.4%︎ 21 Monocerotis B 9 c - Icy body Landable
Body distance164,574 LsEarth masses0.0021Radius1,125 kmGravity0.07 gSurface temperature91 K (-183°C/-297°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Selenium: 4.3%︎ Molybdenum: 0.8%︎ Tin: 0.7%︎ Arsenic: 1.6%︎ Chromium: 5.5%︎ Carbon: 23.0%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.7%︎ Sulphur: 27.3%︎ 21 Monocerotis B 9 d - Icy body Landable
Body distance164,576 LsEarth masses0.0013Radius960 kmGravity0.06 gSurface temperature89 K (-184°C/-300°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Technetium: 0.4%︎ Cadmium: 1.0%︎ Tin: 0.7%︎ Germanium: 3.6%︎ Vanadium: 3.0%︎ Zinc: 3.4%︎ Carbon: 23.4%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 15.0%︎ Sulphur: 27.8%︎ 21 Monocerotis B 9 a - Icy body Landable
Body distance164,577 LsEarth masses0.0011Radius884 kmGravity0.06 gSurface temperature96 K (-177°C/-287°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Yttrium: 0.9%︎ Cadmium: 1.1%︎ Mercury: 0.6%︎ Germanium: 4.1%︎ Zinc: 3.9%︎ Zirconium: 1.7%︎ Carbon: 22.1%︎ Iron: 14.4%︎ Nickel: 10.9%︎ Phosphorus: 14.1%︎ Sulphur: 26.3%︎ 21 Monocerotis B 9 b - Icy body Landable
Body distance164,578 LsEarth masses0.0038Radius1,374 kmGravity0.08 gSurface temperature93 K (-180°C/-293°F)Surface pressure0.00 atmVolcanismMajor Water magmaAtmosphereTerraforming︎ Ruthenium: 0.8%︎ Niobium: 0.8%︎ Tungsten: 0.7%︎ Arsenic: 1.6%︎ Chromium: 5.6%︎ Vanadium: 3.0%︎ Carbon: 23.3%︎ Iron: 12.3%︎ Nickel: 9.3%︎ Phosphorus: 14.9%︎ Sulphur: 27.7%︎ 21 Monocerotis B 9 g - Icy body Landable
Body distance164,580 LsEarth masses0.0031Radius1,280 kmGravity0.08 gSurface temperature86 K (-187°C/-305°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.2%︎ Tellurium: 0.9%︎ Cadmium: 0.9%︎ Niobium: 0.8%︎ Manganese: 5.0%︎ Vanadium: 3.0%︎ Carbon: 22.7%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.5%︎ Sulphur: 26.9%︎ 21 Monocerotis B 10 - Gas giant with ammonia-based life
Body distance164,664 LsRing/belt typeIcy (Pristine)Earth masses165.4550Radius46,116 kmGravity3.16 gSurface temperature106 K (-168°C/-270°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ 21 Monocerotis B 10 c - Icy body Landable
Body distance164,661 LsEarth masses0.0014Radius983 kmGravity0.06 gSurface temperature81 K (-192°C/-313°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Selenium: 4.3%︎ Molybdenum: 0.8%︎ Tungsten: 0.7%︎ Chromium: 5.5%︎ Zirconium: 1.4%︎ Carbon: 23.0%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.7%︎ Sulphur: 27.4%︎ 21 Monocerotis B 10 a - Icy body Landable
Body distance164,663 LsEarth masses0.0014Radius980 kmGravity0.06 gSurface temperature83 K (-190°C/-310°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Antimony: 0.8%︎ Cadmium: 1.0%︎ Tin: 0.7%︎ Germanium: 3.6%︎ Vanadium: 3.0%︎ Zinc: 3.4%︎ Carbon: 23.3%︎ Iron: 12.4%︎ Nickel: 9.3%︎ Phosphorus: 14.9%︎ Sulphur: 27.7%︎ 21 Monocerotis B 10 b - Icy body Landable
Body distance164,663 LsEarth masses0.0024Radius1,177 kmGravity0.07 gSurface temperature82 K (-191°C/-311°F)Surface pressure0.00 atmVolcanismMinor Carbon dioxide geysersAtmosphereTerraforming︎ Selenium: 4.1%︎ Yttrium: 0.7%︎ Molybdenum: 0.8%︎ Niobium: 0.8%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Carbon: 22.1%︎ Iron: 11.8%︎ Nickel: 8.9%︎ Phosphorus: 14.2%︎ Sulphur: 26.3%