p Eridani B
7 Planets (size proportional to Sqrt(Radius))
Sun Rock Ice Ice Ice Water Martian Jovian See
Key
Stellar charactersistics
Stellar mass 0.86 solar masses
Stellar luminosity 0.25
Age 3.700 billion years
(30.700 billion left on main sequence)
Habitable ecosphere radius 0.500 AU

Planetary Overview
#TypeDist.MassRadius
1 Rock Rock 0.386 AU 0.133 EM 0.514 ER
2 Ice Ice 0.587 AU 0.552 EM 0.824 ER
3 Ice Ice 1.082 AU 0.865 EM 0.954 ER
4 Ice Ice 1.597 AU 0.572 EM 0.833 ER
5 Water Water 1.990 AU 5.084 EM 1.681 ER
6 Martian Martian 2.891 AU 0.139 EM 0.698 ER
7 Jovian Jovian 6.339 AU 481.119 EM 12.435 ER

Planet #1 Statistics
Planet typeRockRock
Resonant Spin Locked
Low-G, Hot, Airless, 1-Face
Distance from primary star5.8E+07 KM0.386 AU
Mass7.9E+23Kg0.133 Earth masses
Surface gravity491.2 cm/sec20.50 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature 32.5° Celcius
90.5° Fahrenheit		+18.5° C Earth temperature
+33.3° F Earth temperature
Normal temperature range
NightDay
-213.0° C
-351.5° F		 - 193.9° C
381.0° F
MinMax
-224.9° C
-372.9° F		 - 199.1° C
390.4° F
Equatorial radius3280.1 Km0.51 Earth radii
Density5.36 grams/cc0.97 Earth densities
Eccentricity of orbit0.227
Escape Velocity 5.7 Km/sec
Molecular weight retained41.0 and aboveCO2, N2O, NO2, O3, SO2, SO3, Kr, Xe
Axial tilt12°
Planetary albedo 0.07
Exospheric Temperature2141.16° K+868.16° C Earth temperature
Length of year94.28 Earth days1.59 Local days
Length of day1425.30 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 typeIceIce
Tidally Locked 1 Face
Cold, Icy, Arid, Cloudless, Thin atmosphere (N2 - unbreathable), 1-Face
Distance from primary star8.8E+07 KM0.587 AU
Mass3.3E+24Kg0.552 Earth masses
Surface gravity798.1 cm/sec20.81 Earth gees
Surface pressure 359 millibars0.354 Earth atmospheres
Surface temperature-67.8° Celcius
-90.1° Fahrenheit		-81.8° C Earth temperature
-147.3° F Earth temperature
Normal temperature range
NightDay
-200.2° C
-328.4° F		 - -14.7° C
5.5° F
MinMax
-215.5° C
-355.8° F		 - 7.6° C
45.7° F
Equatorial radius5253.0 Km0.82 Earth radii
Density5.44 grams/cc0.98 Earth densities
Eccentricity of orbit0.073
Escape Velocity 9.2 Km/sec
Molecular weight retained 6.8 and aboveN, O, CH4, NH3, H2O, Ne, N2, CO...
Nitrogen 100.0%  359 mb (ipp: 296) 
Axial tilt18°
Planetary albedo 0.70
Exospheric Temperature924.28° K-348.72° C Earth temperature
Length of year177.04 Earth days1.00 Local days
Length of day4248.97 hours
Boiling point of water73.6° Celcius
164.5° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.2
Ice cover percentage99.5


Planet #3 Statistics
Planet typeIceIce
Cold, Icy, Arid, Cloudless, Normal atmosphere
Distance from primary star1.6E+08 KM1.082 AU
Mass5.2E+24Kg0.865 Earth masses
Surface gravity931.9 cm/sec20.95 Earth gees
Surface pressure 881 millibars0.870 Earth atmospheres
Surface temperature-116.5° Celcius
-177.7° Fahrenheit		-130.5° C Earth temperature
-234.9° F Earth temperature
Normal temperature range
NightDay
-119.3° C
-182.7° F		 - -113.8° C
-172.9° F
MinMax
-137.4° C
-215.3° F		 - -97.1° C
-142.8° F
Equatorial radius6083.9 Km0.95 Earth radii
Density5.48 grams/cc0.99 Earth densities
Eccentricity of orbit0.023
Escape Velocity10.6 Km/sec
Molecular weight retained 1.5 and aboveH2, He, N, O, CH4, NH3, H2O, Ne...
Axial tilt27°
Planetary albedo 0.70
Exospheric Temperature271.83° K-1001.17° C Earth temperature
Length of year443.30 Earth days662.88 Local days
1.21 Earth years
Length of day16.05 hours
Boiling point of water96.4° Celcius
205.5° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.1
Ice cover percentage100.0


Planet #4 Statistics
Planet typeIceIce
Cold, Icy, Arid, Cloudless, Thin atmosphere
Distance from primary star2.4E+08 KM1.597 AU
Mass3.4E+24Kg0.572 Earth masses
Surface gravity807.9 cm/sec20.82 Earth gees
Surface pressure 386 millibars0.380 Earth atmospheres
Surface temperature-148.6° Celcius
-235.5° Fahrenheit		-162.6° C Earth temperature
-292.7° F Earth temperature
Normal temperature range
NightDay
-152.0° C
-241.6° F		 - -145.4° C
-229.8° F
MinMax
-172.4° C
-278.4° F		 - -126.8° C
-196.3° F
Equatorial radius5314.4 Km0.83 Earth radii
Density5.44 grams/cc0.99 Earth densities
Eccentricity of orbit0.031
Escape Velocity 9.3 Km/sec
Molecular weight retained 0.9 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt19°
Planetary albedo 0.70
Exospheric Temperature124.80° K-1148.20° C Earth temperature
Length of year794.79 Earth days1127.89 Local days
2.18 Earth years
Length of day16.91 hours
Boiling point of water75.3° Celcius
167.6° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.0
Ice cover percentage100.0


Planet #5 Statistics
Planet typeWaterWater
High-G, Cold, Unbreathably thick atmosphere (He - unbreathable)
Distance from primary star3E+08 KM1.990 AU
Mass3E+25Kg5.084 Earth masses
Surface gravity1762.9 cm/sec21.80 Earth gees
Surface pressure30444 millibars30.046 Earth atmospheres
Surface temperature 6.2° Celcius
43.1° Fahrenheit		-7.8° C Earth temperature
-14.1° F Earth temperature
+162.1° C greenhouse effect
Normal temperature range
MinMax
0.1° C
32.2° F		 - 12.1° C
53.7° F
Equatorial radius10724.2 Km1.7 Earth radii
Density5.88 grams/cc1.1 Earth densities
Eccentricity of orbit0.054
Escape Velocity19.4 Km/sec
Molecular weight retained 0.2 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Helium 99.9% 30407 mb (ipp:30344) 
Nitrogen  0.1%  37 mb (ipp: 37) 
Axial tilt26°
Planetary albedo 0.24
Exospheric Temperature 80.33° K-1192.67° C Earth temperature
Length of year1105.98 Earth days2325.12 Local days
3.03 Earth years
Length of day11.42 hours
Boiling point of water225.7° Celcius
438.3° Fahrenheit
Hydrosphere percentage100.0
Cloud cover percentage40.4
Ice cover percentage 5.2


Planet #6 Statistics
Planet typeMartianMartian
Low-G, Cold, Icy, Arid, Cloudless, Unbreathably thin atmosphere
Distance from primary star4.3E+08 KM2.891 AU
Mass8.3E+23Kg0.139 Earth masses
Surface gravity279.1 cm/sec20.28 Earth gees
Surface pressure 12 millibars0.012 Earth atmospheres
Surface temperature-164.9° Celcius
-264.8° Fahrenheit		-178.9° C Earth temperature
-322.0° F Earth temperature
Normal temperature range
NightDay
-177.1° C
-286.8° F		 - -152.8° C
-243.0° F
MinMax
-201.1° C
-329.9° F		 - -130.0° C
-202.0° F
Equatorial radius4452.1 Km0.7 Earth radii
Density2.24 grams/cc0.41 Earth densities
Eccentricity of orbit0.238
Escape Velocity 5.0 Km/sec
Molecular weight retained 0.9 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt39°
Planetary albedo 0.25
Exospheric Temperature 38.07° K-1234.93° C Earth temperature
Length of year1936.41 Earth days1619.79 Local days
5.30 Earth years
Length of day28.69 hours
Boiling point of water8.2° Celcius
46.8° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.0
Ice cover percentage18.9


Planet #7 Statistics
Planet typeJovianJovian
Distance from primary star9.5E+08 KM6.339 AU
Mass2.9E+27Kg481.119 Earth masses
39.382 Earth masses dust
441.737 Earth masses gas
Equatorial radius79308.1 Km12 Earth radii
Density1.38 grams/cc0.25 Earth densities
Eccentricity of orbit0.103
Escape Velocity69.6 Km/sec
Molecular weight retained 0.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt29°
Planetary albedo 0.46
Exospheric Temperature 7.92° K-1265.08° C Earth temperature
Length of year6281.38 Earth days20371.57 Local days
17.20 Earth years
Length of day7.40 hours


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