p Eridani A
10 Planets (size proportional to Sqrt(Radius))
Sun Rock Rock Rock Rock Ice Ice Ice Sub-Jovian Jovian Jovian See
Key
Stellar charactersistics
Stellar mass 0.88 solar masses
Stellar luminosity 0.28
Age 4.504 billion years
(26.924 billion left on main sequence)
Habitable ecosphere radius 0.529 AU

Planetary Overview
#TypeDist.MassRadius
1 Rock Rock 0.295 AU 0.024 EM 0.290 ER
2 Rock Rock 0.359 AU 0.016 EM 0.253 ER
3 Rock Rock 0.418 AU 0.201 EM 0.590 ER
4 Rock Rock 0.652 AU 0.014 EM 0.245 ER
5 Ice Ice 0.777 AU 0.661 EM 0.873 ER
6 Ice Ice 1.274 AU 0.520 EM 0.808 ER
7 Ice Ice 1.696 AU 0.553 EM 0.824 ER
8 Sub-Jovian Sub-Jovian 2.094 AU 8.157 EM 3.436 ER
9 Jovian Jovian 3.937 AU 185.677 EM 9.010 ER
10 Jovian Jovian 5.791 AU 56.081 EM 6.562 ER

Planet #1 Statistics
Planet typeRockRock
Tidally Locked 1 Face
Low-G, Hot, Airless, 1-Face
Distance from primary star4.4E+07 KM0.295 AU
Mass1.4E+23Kg0.024 Earth masses
Surface gravity275.0 cm/sec20.28 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature 86.2° Celcius
187.2° Fahrenheit		+72.2° C Earth temperature
+130.0° F Earth temperature
Normal temperature range
NightDay
-204.8° C
-336.7° F		 - 263.1° C
505.6° F
MinMax
-215.0° C
-354.9° F		 - 267.1° C
512.7° F
Equatorial radius1847.8 Km0.29 Earth radii
Density5.32 grams/cc0.96 Earth densities
Eccentricity of orbit0.040
Escape Velocity 3.2 Km/sec
Molecular weight retained249.6 and above
Axial tilt17°
Planetary albedo 0.07
Exospheric Temperature4091.90° K+2818.90° C Earth temperature
Length of year62.43 Earth days1.00 Local days
Length of day1498.35 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, Hot, Airless, 1-Face
Distance from primary star5.4E+07 KM0.359 AU
Mass9.4E+22Kg0.016 Earth masses
Surface gravity240.2 cm/sec20.24 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature 52.7° Celcius
126.9° Fahrenheit		+38.7° C Earth temperature
+69.7° F Earth temperature
Normal temperature range
MinMax
-224.3° C
-371.7° F		 - 224.9° C
436.8° F
Equatorial radius1615.5 Km0.25 Earth radii
Density5.32 grams/cc0.96 Earth densities
Eccentricity of orbit0.007
Escape Velocity 2.8 Km/sec
Molecular weight retained220.8 and above
Axial tilt23°
Planetary albedo 0.07
Exospheric Temperature2765.65° K+1492.65° C Earth temperature
Length of year83.75 Earth days1.00 Local days
Length of day2010.06 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, Hot, Airless, 1-Face
Distance from primary star6.3E+07 KM0.418 AU
Mass1.2E+24Kg0.201 Earth masses
Surface gravity565.5 cm/sec20.58 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature 28.8° Celcius
83.9° Fahrenheit		+14.8° C Earth temperature
+26.7° F Earth temperature
Normal temperature range
MinMax
-230.6° C
-383.0° F		 - 194.7° C
382.5° F
Equatorial radius3765.7 Km0.59 Earth radii
Density5.37 grams/cc0.97 Earth densities
Eccentricity of orbit0.026
Escape Velocity 6.5 Km/sec
Molecular weight retained29.7 and aboveNO, O2, H2S, Ar, CO2, N2O, NO2, O3...
Axial tilt19°
Planetary albedo 0.07
Exospheric Temperature2039.97° K+766.97° C Earth temperature
Length of year105.23 Earth days1.00 Local days
Length of day2525.45 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 typeRockRock
Tidally Locked 1 Face
Low-G, Cold, Airless, 1-Face
Distance from primary star9.7E+07 KM0.652 AU
Mass8.6E+22Kg0.014 Earth masses
Surface gravity232.8 cm/sec20.24 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature-31.3° Celcius
-24.3° Fahrenheit		-45.3° C Earth temperature
-81.5° F Earth temperature
Normal temperature range
MinMax
-239.8° C
-399.6° F		 - 116.9° C
242.4° F
Equatorial radius1565.8 Km0.25 Earth radii
Density5.32 grams/cc0.96 Earth densities
Eccentricity of orbit0.023
Escape Velocity 2.7 Km/sec
Molecular weight retained71.4 and aboveSO3, Kr, Xe
Axial tilt14°
Planetary albedo 0.07
Exospheric Temperature839.29° K-433.71° C Earth temperature
Length of year204.84 Earth days1.00 Local days
Length of day4916.11 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 #5 Statistics
Planet typeIceIce
Cold, Icy, Arid, Cloudless, Thin atmosphere
Distance from primary star1.2E+08 KM0.777 AU
Mass3.9E+24Kg0.661 Earth masses
Surface gravity848.8 cm/sec20.87 Earth gees
Surface pressure 502 millibars0.496 Earth atmospheres
Surface temperature-87.5° Celcius
-125.5° Fahrenheit		-101.5° C Earth temperature
-182.7° F Earth temperature
Normal temperature range
NightDay
-93.3° C
-135.9° F		 - -82.2° C
-115.9° F
MinMax
-115.8° C
-176.4° F		 - -61.1° C
-78.0° F
Equatorial radius5570.6 Km0.87 Earth radii
Density5.45 grams/cc0.99 Earth densities
Eccentricity of orbit0.069
Escape Velocity 9.7 Km/sec
Molecular weight retained 3.9 and aboveHe, N, O, CH4, NH3, H2O, Ne, N2...
Axial tilt22°
Planetary albedo 0.70
Exospheric Temperature589.94° K-683.06° C Earth temperature
Length of year266.83 Earth days290.78 Local days
Length of day22.02 hours
Boiling point of water81.8° Celcius
179.2° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.6
Ice cover percentage100.0


Planet #6 Statistics
Planet typeIceIce
Low-G, Cold, Icy, Arid, Cloudless, Thin atmosphere
Distance from primary star1.9E+08 KM1.274 AU
Mass3.1E+24Kg0.520 Earth masses
Surface gravity781.9 cm/sec20.80 Earth gees
Surface pressure 312 millibars0.308 Earth atmospheres
Surface temperature-128.6° Celcius
-199.5° Fahrenheit		-142.6° C Earth temperature
-256.7° F Earth temperature
Normal temperature range
NightDay
-133.0° C
-207.5° F		 - -124.4° C
-192.0° F
MinMax
-155.1° C
-247.2° F		 - -104.1° C
-155.4° F
Equatorial radius5151.4 Km0.81 Earth radii
Density5.43 grams/cc0.98 Earth densities
Eccentricity of orbit0.069
Escape Velocity 9.0 Km/sec
Molecular weight retained 1.8 and aboveH2, He, N, O, CH4, NH3, H2O, Ne...
Axial tilt25°
Planetary albedo 0.68
Exospheric Temperature219.44° K-1053.56° C Earth temperature
Length of year560.22 Earth days772.03 Local days
1.53 Earth years
Length of day17.42 hours
Boiling point of water70.3° Celcius
158.5° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.0
Ice cover percentage96.5


Planet #7 Statistics
Planet typeIceIce
Cold, Icy, Arid, Cloudless, Thin atmosphere
Distance from primary star2.5E+08 KM1.696 AU
Mass3.3E+24Kg0.553 Earth masses
Surface gravity798.3 cm/sec20.81 Earth gees
Surface pressure 351 millibars0.347 Earth atmospheres
Surface temperature-148.5° Celcius
-235.2° Fahrenheit		-162.5° C Earth temperature
-292.4° F Earth temperature
Normal temperature range
NightDay
-152.0° C
-241.6° F		 - -145.1° C
-229.2° F
MinMax
-172.7° C
-278.9° F		 - -126.2° C
-195.2° F
Equatorial radius5254.2 Km0.82 Earth radii
Density5.44 grams/cc0.98 Earth densities
Eccentricity of orbit0.057
Escape Velocity 9.2 Km/sec
Molecular weight retained 1.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt25°
Planetary albedo 0.69
Exospheric Temperature123.89° K-1149.11° C Earth temperature
Length of year860.14 Earth days1213.67 Local days
2.35 Earth years
Length of day17.01 hours
Boiling point of water73.1° Celcius
163.6° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.0
Ice cover percentage98.5


Planet #8 Statistics
Planet typeSub-JovianSub-Jovian
Distance from primary star3.1E+08 KM2.094 AU
Mass4.9E+25Kg8.157 Earth masses
5.650 Earth masses dust
2.507 Earth masses gas
Equatorial radius21913.7 Km3.4 Earth radii
Density1.11 grams/cc0.2 Earth densities
Eccentricity of orbit0.050
Escape Velocity17.2 Km/sec
Molecular weight retained 0.2 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt24°
Planetary albedo 0.49
Exospheric Temperature 81.32° K-1191.68° C Earth temperature
Length of year1179.52 Earth days1802.62 Local days
3.23 Earth years
Length of day15.70 hours


Planet #9 Statistics
Planet typeJovianJovian
Distance from primary star5.9E+08 KM3.937 AU
Mass1.1E+27Kg185.677 Earth masses
25.186 Earth masses dust
160.490 Earth masses gas
Equatorial radius57467.9 Km9 Earth radii
Density1.40 grams/cc0.25 Earth densities
Eccentricity of orbit0.143
Escape Velocity50.8 Km/sec
Molecular weight retained 0.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt19°
Planetary albedo 0.46
Exospheric Temperature 22.99° K-1250.01° C Earth temperature
Length of year3040.80 Earth days8454.78 Local days
8.33 Earth years
Length of day8.63 hours


Planet #10 Statistics
Planet typeJovianJovian
Distance from primary star8.7E+08 KM5.791 AU
Mass3.4E+26Kg56.081 Earth masses
11.989 Earth masses dust
44.093 Earth masses gas
Equatorial radius41854.4 Km6.6 Earth radii
Density1.09 grams/cc0.2 Earth densities
Eccentricity of orbit0.151
Escape Velocity32.7 Km/sec
Molecular weight retained 0.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt31°
Planetary albedo 0.51
Exospheric Temperature 10.63° K-1262.37° C Earth temperature
Length of year5425.49 Earth days11383.31 Local days
14.85 Earth years
Length of day11.44 hours


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