HR 8832
12 Planets (size proportional to Sqrt(Radius))
Sun Rock Rock Ice Ice Martian Martian Sub-Jovian GasDwarf Jovian Martian Sub-Jovian Rock See
Key
Stellar charactersistics
Stellar mass 0.74 solar masses
Stellar luminosity 0.26
Age 1.189 billion years
(27.027 billion left on main sequence)
Habitable ecosphere radius 0.512 AU

Planetary Overview
#TypeDist.MassRadius
1 Rock Rock 0.340 AU 0.150 EM 0.536 ER
2 Rock Rock 0.619 AU 0.009 EM 0.210 ER
3 Ice Ice 0.752 AU 0.659 EM 0.873 ER
4 Ice Ice 1.233 AU 1.774 EM 1.204 ER
5 Martian Martian 2.194 AU 0.241 EM 0.837 ER
6 Martian Martian 2.369 AU 3.011 EM 1.887 ER
7 Sub-Jovian Sub-Jovian 4.046 AU 16.547 EM 4.473 ER
8 GasDwarf GasDwarf 9.140 AU 3.288 EM 2.989 ER
9 Jovian Jovian 13.194 AU 101.318 EM 8.375 ER
10 Martian Martian 17.961 AU 0.678 EM 1.174 ER
11 Sub-Jovian Sub-Jovian 31.921 AU 1.569 EM 2.673 ER
12 Rock Rock 42.078 AU 0.162 EM 0.735 ER

Planet #1 Statistics
Planet typeRockRock
Tidally Locked 1 Face
Low-G, Hot, Airless, 1-Face
Distance from primary star5.1E+07 KM0.340 AU
Mass9E+23Kg0.150 Earth masses
Surface gravity512.0 cm/sec20.52 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature 56.3° Celcius
133.4° Fahrenheit		+42.3° C Earth temperature
+76.2° F Earth temperature
Normal temperature range
MinMax
-224.5° C
-372.1° F		 - 229.8° C
445.6° F
Equatorial radius3416.8 Km0.54 Earth radii
Density5.36 grams/cc0.97 Earth densities
Eccentricity of orbit0.060
Escape Velocity 5.9 Km/sec
Molecular weight retained49.3 and aboveSO2, SO3, Kr, Xe
Axial tilt16°
Planetary albedo 0.07
Exospheric Temperature2889.97° K+1616.97° C Earth temperature
Length of year84.14 Earth days1.00 Local days
Length of day2019.28 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
Tidally Locked 1 Face
Low-G, Cold, Airless, 1-Face
Distance from primary star9.3E+07 KM0.619 AU
Mass5.3E+22Kg0.009 Earth masses
Surface gravity198.9 cm/sec20.20 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature-29.1° Celcius
-20.3° Fahrenheit		-43.1° C Earth temperature
-77.5° F Earth temperature
Normal temperature range
MinMax
-239.5° C
-399.2° F		 - 119.9° C
247.9° F
Equatorial radius1338.1 Km0.21 Earth radii
Density5.32 grams/cc0.96 Earth densities
Eccentricity of orbit0.089
Escape Velocity 2.3 Km/sec
Molecular weight retained97.6 and aboveXe
Axial tilt28°
Planetary albedo 0.07
Exospheric Temperature870.73° K-402.27° C Earth temperature
Length of year206.89 Earth days1.00 Local days
Length of day4965.38 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 typeIceIce
Cold, Icy, Arid, Cloudless, Normal atmosphere
Distance from primary star1.1E+08 KM0.752 AU
Mass3.9E+24Kg0.659 Earth masses
Surface gravity848.4 cm/sec20.87 Earth gees
Surface pressure 595 millibars0.587 Earth atmospheres
Surface temperature-86.2° Celcius
-123.1° Fahrenheit		-100.2° C Earth temperature
-180.3° F Earth temperature
Normal temperature range
NightDay
-90.5° C
-130.9° F		 - -82.1° C
-115.8° F
MinMax
-114.3° C
-173.7° F		 - -60.0° C
-76.0° F
Equatorial radius5567.6 Km0.87 Earth radii
Density5.45 grams/cc0.99 Earth densities
Eccentricity of orbit0.131
Escape Velocity 9.7 Km/sec
Molecular weight retained 3.8 and aboveHe, N, O, CH4, NH3, H2O, Ne, N2...
Axial tilt16°
Planetary albedo 0.70
Exospheric Temperature589.69° K-683.31° C Earth temperature
Length of year277.13 Earth days380.98 Local days
Length of day17.46 hours
Boiling point of water86.1° Celcius
187.0° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.8
Ice cover percentage100.0


Planet #4 Statistics
Planet typeIceIce
High-G, Cold, Icy, Arid, Cloudless, Thick atmosphere
Distance from primary star1.8E+08 KM1.233 AU
Mass1.1E+25Kg1.774 Earth masses
Surface gravity1199.4 cm/sec21.22 Earth gees
Surface pressure 4306 millibars4.250 Earth atmospheres
Surface temperature-108.5° Celcius
-163.2° Fahrenheit		-122.5° C Earth temperature
-220.4° F Earth temperature
Normal temperature range
NightDay
-109.6° C
-165.4° F		 - -107.4° C
-161.2° F
MinMax
-121.0° C
-185.9° F		 - -96.7° C
-142.1° F
Equatorial radius7679.6 Km1.2 Earth radii
Density5.59 grams/cc1 Earth densities
Eccentricity of orbit0.032
Escape Velocity13.6 Km/sec
Molecular weight retained 0.7 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt17°
Planetary albedo 0.70
Exospheric Temperature219.70° K-1053.30° C Earth temperature
Length of year581.13 Earth days1006.52 Local days
1.59 Earth years
Length of day13.86 hours
Boiling point of water144.9° Celcius
292.9° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.1
Ice cover percentage100.0


Planet #5 Statistics
Planet typeMartianMartian
Low-G, Cold, Icy, Arid, Cloudless, Unbreathably thin atmosphere
Distance from primary star3.3E+08 KM2.194 AU
Mass1.4E+24Kg0.241 Earth masses
Surface gravity336.9 cm/sec20.34 Earth gees
Surface pressure 43 millibars0.042 Earth atmospheres
Surface temperature-147.2° Celcius
-232.9° Fahrenheit		-161.2° C Earth temperature
-290.1° F Earth temperature
Normal temperature range
NightDay
-158.0° C
-252.5° F		 - -136.6° C
-213.9° F
MinMax
-181.1° C
-293.9° F		 - -115.0° C
-174.9° F
Equatorial radius5339.4 Km0.84 Earth radii
Density2.26 grams/cc0.41 Earth densities
Eccentricity of orbit0.047
Escape Velocity 6.0 Km/sec
Molecular weight retained 1.1 and aboveH2, He, N, O, CH4, NH3, H2O, Ne...
Axial tilt19°
Planetary albedo 0.30
Exospheric Temperature 69.37° K-1203.63° C Earth temperature
Length of year1379.65 Earth days1267.85 Local days
3.78 Earth years
Length of day26.12 hours
Boiling point of water29.3° Celcius
84.8° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.0
Ice cover percentage26.5


Planet #6 Statistics
Planet typeMartianMartian
Cold, Icy, Arid, Cloudless, Thick atmosphere
Distance from primary star3.5E+08 KM2.369 AU
Mass1.8E+25Kg3.011 Earth masses
Surface gravity828.8 cm/sec20.85 Earth gees
Surface pressure 6648 millibars6.561 Earth atmospheres
Surface temperature-123.4° Celcius
-190.1° Fahrenheit		-137.4° C Earth temperature
-247.3° F Earth temperature
+3.8° C greenhouse effect
Normal temperature range
MinMax
-133.5° C
-208.2° F		 - -114.0° C
-173.2° F
Equatorial radius12037.0 Km1.9 Earth radii
Density2.46 grams/cc0.45 Earth densities
Eccentricity of orbit0.006
Escape Velocity14.1 Km/sec
Molecular weight retained 0.2 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt21°
Planetary albedo 0.51
Exospheric Temperature 59.51° K-1213.49° C Earth temperature
Length of year1547.79 Earth days2231.31 Local days
4.24 Earth years
Length of day16.65 hours
Boiling point of water160.5° Celcius
320.9° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.0
Ice cover percentage65.2


Planet #7 Statistics
Planet typeSub-JovianSub-Jovian
Distance from primary star6.1E+08 KM4.046 AU
Mass9.9E+25Kg16.547 Earth masses
6.519 Earth masses dust
10.027 Earth masses gas
Equatorial radius28531.8 Km4.5 Earth radii
Density1.02 grams/cc0.18 Earth densities
Eccentricity of orbit0.053
Escape Velocity21.5 Km/sec
Molecular weight retained 0.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt24°
Planetary albedo 0.47
Exospheric Temperature 20.40° K-1252.60° C Earth temperature
Length of year3454.96 Earth days5776.03 Local days
9.46 Earth years
Length of day14.36 hours


Planet #8 Statistics
Planet typeGasDwarfGasDwarf
Distance from primary star1.4E+09 KM9.140 AU
Mass2E+25Kg
3.288 Earth masses
3.015 Earth masses dust
0.273 Earth masses gas
Equatorial radius19061.0 Km3 Earth radii
Density0.68 grams/cc0.12 Earth densities
Eccentricity of orbit0.096
Escape Velocity11.7 Km/sec
Molecular weight retained 0.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt39°
Planetary albedo 0.46
Exospheric Temperature 4.00° K-1269.00° C Earth temperature
Length of year11733.05 Earth days13088.78 Local days
32.12 Earth years
Length of day21.51 hours


Planet #9 Statistics
Planet typeJovianJovian
Distance from primary star2E+09 KM13.194 AU
Mass6.1E+26Kg101.318 Earth masses
11.714 Earth masses dust
89.604 Earth masses gas
Equatorial radius53413.1 Km8.4 Earth radii
Density0.95 grams/cc0.17 Earth densities
Eccentricity of orbit0.016
Escape Velocity38.9 Km/sec
Molecular weight retained 0.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt26°
Planetary albedo 0.55
Exospheric Temperature 1.92° K-1271.08° C Earth temperature
Length of year20345.93 Earth days44960.77 Local days
55.70 Earth years
Length of day10.86 hours


Planet #10 Statistics
Planet typeMartianMartian
Low-G, Cold, Arid, Cloudless, Unbreathably thin atmosphere
Distance from primary star2.7E+09 KM17.961 AU
Mass4.1E+24Kg0.678 Earth masses
Surface gravity482.1 cm/sec20.49 Earth gees
Surface pressure 1 millibars0.001 Earth atmospheres
Surface temperature-228.4° Celcius
-379.1° Fahrenheit		-242.4° C Earth temperature
-436.3° F Earth temperature
Normal temperature range
NightDay
-232.7° C
-386.9° F		 - -224.1° C
-371.3° F
MinMax
-246.9° C
-412.3° F		 - -210.6° C
-347.0° F
Equatorial radius7490.0 Km1.2 Earth radii
Density2.30 grams/cc0.42 Earth densities
Eccentricity of orbit0.012
Escape Velocity 8.5 Km/sec
Molecular weight retained 0.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt48°
Planetary albedo 0.15
Exospheric Temperature 1.03° K-1271.97° C Earth temperature
Length of year32319.16 Earth days35536.39 Local days
88.48 Earth years
Length of day21.83 hours
Boiling point of water-24.7° Celcius
-12.5° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.0
Ice cover percentage 0.1


Planet #11 Statistics
Planet typeSub-JovianSub-Jovian
Distance from primary star4.8E+09 KM31.921 AU
Mass9.4E+24Kg1.569 Earth masses
0.924 Earth masses dust
0.645 Earth masses gas
Equatorial radius17047.2 Km2.7 Earth radii
Density0.45 grams/cc0.082 Earth densities
Eccentricity of orbit0.063
Escape Velocity 8.6 Km/sec
Molecular weight retained 0.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt65°
Planetary albedo 0.51
Exospheric Temperature 0.33° K-1272.67° C Earth temperature
Length of year76577.14 Earth days65972.25 Local days
209.65 Earth years
Length of day27.86 hours


Planet #12 Statistics
Planet typeRockRock
Low-G, Cold, Airless
Distance from primary star6.3E+09 KM42.078 AU
Mass9.7E+23Kg0.162 Earth masses
Surface gravity294.2 cm/sec20.30 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature-244.1° Celcius
-407.4° Fahrenheit		-258.1° C Earth temperature
-464.6° F Earth temperature
Normal temperature range
NightDay
-247.5° C
-413.5° F		 - -240.5° C
-401.0° F
MinMax
-259.6° C
-435.3° F		 - -227.6° C
-377.8° F
Equatorial radius4685.3 Km0.73 Earth radii
Density2.25 grams/cc0.41 Earth densities
Eccentricity of orbit0.077
Escape Velocity 5.3 Km/sec
Molecular weight retained 0.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt52°
Planetary albedo 0.15
Exospheric Temperature 0.19° K-1272.81° C Earth temperature
Length of year115895.77 Earth days99548.83 Local days
317.30 Earth years
Length of day27.94 hours
Boiling point of water-55.4° Celcius
-67.7° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.0
Ice cover percentage 0.1


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