Alpha Centauri B
6 Planets (size proportional to Sqrt(Radius))
Sun Rock Rock Rock Ice Ice Sub-Jovian See
Key
Stellar charactersistics
Stellar mass 0.90 solar masses
Stellar luminosity 0.45
Age 4.384 billion years
(15.616 billion left on main sequence)
Habitable ecosphere radius 0.671 AU

Planetary Overview
#TypeDist.MassRadius
1 Rock Rock 0.363 AU 0.038 EM 0.340 ER
2 Rock Rock 0.487 AU 0.107 EM 0.479 ER
3 Rock Rock 0.613 AU 0.122 EM 0.500 ER
4 Ice Ice 0.799 AU 0.595 EM 0.844 ER
5 Ice Ice 1.199 AU 1.725 EM 1.193 ER
6 Sub-Jovian Sub-Jovian 2.260 AU 15.430 EM 4.083 ER

Planet #1 Statistics
Planet typeRockRock
Tidally Locked 1 Face
Low-G, Hot, Airless, 1-Face
Distance from primary star5.4E+07 KM0.363 AU
Mass2.3E+23Kg0.038 Earth masses
Surface gravity323.0 cm/sec20.33 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature 91.8° Celcius
197.3° Fahrenheit		+77.8° C Earth temperature
+140.1° F Earth temperature
Normal temperature range
MinMax
-218.6° C
-361.6° F		 - 274.7° C
526.4° F
Equatorial radius2168.3 Km0.34 Earth radii
Density5.33 grams/cc0.97 Earth densities
Eccentricity of orbit0.010
Escape Velocity 3.7 Km/sec
Molecular weight retained192.5 and above
Axial tilt20°
Planetary albedo 0.07
Exospheric Temperature4353.45° K+3080.45° C Earth temperature
Length of year84.12 Earth days1.00 Local days
Length of day2018.80 hours
Boiling point of water-273.1° Celcius
-459.7° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.0
Ice cover percentage 0.0


Planet #2 Statistics
Planet typeRockRock
Resonant Spin Locked
Low-G, Hot, Airless, 1-Face
Distance from primary star7.3E+07 KM0.487 AU
Mass6.4E+23Kg0.107 Earth masses
Surface gravity456.9 cm/sec20.47 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature 41.9° Celcius
107.3° Fahrenheit		+27.9° C Earth temperature
+50.1° F Earth temperature
Normal temperature range
MinMax
-229.6° C
-381.2° F		 - 211.8° C
413.2° F
Equatorial radius3054.8 Km0.48 Earth radii
Density5.35 grams/cc0.97 Earth densities
Eccentricity of orbit0.103
Escape Velocity 5.3 Km/sec
Molecular weight retained53.6 and aboveSO2, SO3, Kr, Xe
Axial tilt16°
Planetary albedo 0.07
Exospheric Temperature2415.25° K+1142.25° C Earth temperature
Length of year130.85 Earth days1.23 Local days
Length of day2553.06 hours
Boiling point of water-273.1° Celcius
-459.7° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.0
Ice cover percentage 0.0


Planet #3 Statistics
Planet typeRockRock
Tidally Locked 1 Face
Low-G, Cold, Airless, 1-Face
Distance from primary star9.2E+07 KM0.613 AU
Mass7.3E+23Kg0.122 Earth masses
Surface gravity477.1 cm/sec20.49 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature 7.6° Celcius
45.8° Fahrenheit		-6.4° C Earth temperature
-11.4° F Earth temperature
Normal temperature range
MinMax
-235.3° C
-391.6° F		 - 168.0° C
334.3° F
Equatorial radius3188.0 Km0.5 Earth radii
Density5.36 grams/cc0.97 Earth densities
Eccentricity of orbit0.026
Escape Velocity 5.5 Km/sec
Molecular weight retained31.1 and aboveO2, H2S, Ar, CO2, N2O, NO2, O3, SO2...
Axial tilt15°
Planetary albedo 0.07
Exospheric Temperature1524.95° K+251.95° C Earth temperature
Length of year184.74 Earth days1.00 Local days
Length of day4433.80 hours
Boiling point of water-273.1° Celcius
-459.7° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.0
Ice cover percentage 0.0


Planet #4 Statistics
Planet typeIceIce
Cold, Icy, Arid, Cloudless, Thin atmosphere
Distance from primary star1.2E+08 KM0.799 AU
Mass3.6E+24Kg0.595 Earth masses
Surface gravity819.0 cm/sec20.84 Earth gees
Surface pressure 399 millibars0.394 Earth atmospheres
Surface temperature-67.6° Celcius
-89.7° Fahrenheit		-81.6° C Earth temperature
-146.9° F Earth temperature
Normal temperature range
NightDay
-74.6° C
-102.3° F		 - -61.0° C
-77.8° F
MinMax
-98.3° C
-144.9° F		 - -38.8° C
-37.8° F
Equatorial radius5384.1 Km0.84 Earth radii
Density5.44 grams/cc0.99 Earth densities
Eccentricity of orbit0.060
Escape Velocity 9.4 Km/sec
Molecular weight retained 6.3 and aboveN, O, CH4, NH3, H2O, Ne, N2, CO...
Axial tilt23°
Planetary albedo 0.69
Exospheric Temperature896.81° K-376.19° C Earth temperature
Length of year275.09 Earth days300.57 Local days
Length of day21.97 hours
Boiling point of water76.1° Celcius
169.1° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.2
Ice cover percentage98.3


Planet #5 Statistics
Planet typeIceIce
High-G, Cold, Icy, Arid, Cloudless, Thick atmosphere
Distance from primary star1.8E+08 KM1.199 AU
Mass1E+25Kg1.725 Earth masses
Surface gravity1187.6 cm/sec21.21 Earth gees
Surface pressure 3350 millibars3.306 Earth atmospheres
Surface temperature-85.6° Celcius
-122.1° Fahrenheit		-99.6° C Earth temperature
-179.3° F Earth temperature
Normal temperature range
NightDay
-87.1° C
-124.8° F		 - -84.2° C
-119.5° F
MinMax
-99.7° C
-147.4° F		 - -72.4° C
-98.3° F
Equatorial radius7611.4 Km1.2 Earth radii
Density5.58 grams/cc1 Earth densities
Eccentricity of orbit0.009
Escape Velocity13.4 Km/sec
Molecular weight retained 1.4 and aboveH2, He, N, O, CH4, NH3, H2O, Ne...
Axial tilt23°
Planetary albedo 0.70
Exospheric Temperature398.60° K-874.40° C Earth temperature
Length of year505.36 Earth days864.56 Local days
1.38 Earth years
Length of day14.03 hours
Boiling point of water136.4° Celcius
277.6° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.9
Ice cover percentage100.0


Planet #6 Statistics
Planet typeSub-JovianSub-Jovian
Distance from primary star3.4E+08 KM2.260 AU
Mass9.2E+25Kg15.430 Earth masses
8.282 Earth masses dust
7.148 Earth masses gas
Equatorial radius26039.7 Km4.1 Earth radii
Density1.25 grams/cc0.23 Earth densities
Eccentricity of orbit0.022
Escape Velocity21.7 Km/sec
Molecular weight retained 0.2 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt29°
Planetary albedo 0.45
Exospheric Temperature112.15° K-1160.85° C Earth temperature
Length of year1308.16 Earth days2313.97 Local days
3.58 Earth years
Length of day13.57 hours


This page was created by StarGen.