82 Eridani
14 Planets (size proportional to Sqrt(Radius))
Sun Rock Rock Rock Terrestrial Terrestrial Rock Sub-Jovian Jovian Sub-Jovian Sub-Jovian Jovian Rock Ice Rock See
Key
Stellar charactersistics
Stellar mass 0.97 solar masses
Stellar luminosity 0.65
Age 3.859 billion years
(11.064 billion left on main sequence)
Habitable ecosphere radius 0.806 AU

Planetary Overview
#TypeDist.MassRadius
1 Rock Rock 0.309 AU 0.046 EM 0.363 ER
2 Rock Rock 0.410 AU 0.005 EM 0.175 ER
3 Rock Rock 0.460 AU 0.236 EM 0.622 ER
4 Terrestrial Terrestrial 0.813 AU 1.097 EM 1.031 ER
5 Terrestrial Terrestrial 1.486 AU 2.776 EM 1.390 ER
6 Rock Rock 1.709 AU 0.015 EM 0.250 ER
7 Sub-Jovian Sub-Jovian 2.650 AU 10.055 EM 3.596 ER
8 Jovian Jovian 5.699 AU 382.974 EM 11.081 ER
9 Sub-Jovian Sub-Jovian 10.664 AU 11.104 EM 4.157 ER
10 Sub-Jovian Sub-Jovian 15.278 AU 4.051 EM 3.192 ER
11 Jovian Jovian 19.948 AU 57.045 EM 7.059 ER
12 Rock Rock 30.359 AU 0.088 EM 0.600 ER
13 Ice Ice 41.683 AU 0.593 EM 1.124 ER
14 Rock Rock 47.504 AU 0.033 EM 0.432 ER

Planet #1 Statistics
Planet typeRockRock
Tidally Locked 1 Face
Low-G, Hot, Airless, 1-Face
Distance from primary star4.6E+07 KM0.309 AU
Mass2.8E+23Kg0.046 Earth masses
Surface gravity345.3 cm/sec20.35 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature160.3° Celcius
320.6° Fahrenheit		+146.3° C Earth temperature
+263.4° F Earth temperature
Normal temperature range
NightDay
-192.8° C
-315.1° F		 - 356.3° C
673.4° F
MinMax
-203.3° C
-334.0° F		 - 359.8° C
679.7° F
Equatorial radius2316.3 Km0.36 Earth radii
Density5.33 grams/cc0.97 Earth densities
Eccentricity of orbit0.024
Escape Velocity 4.0 Km/sec
Molecular weight retained334.1 and above
Axial tilt11°
Planetary albedo 0.07
Exospheric Temperature8661.20° K+7388.20° C Earth temperature
Length of year63.73 Earth days1.00 Local days
Length of day1529.49 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 star6.1E+07 KM0.410 AU
Mass3.1E+22Kg0.005 Earth masses
Surface gravity165.4 cm/sec20.17 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature103.1° Celcius
217.5° Fahrenheit		+89.1° C Earth temperature
+160.3° F Earth temperature
Normal temperature range
MinMax
-218.8° C
-361.8° F		 - 289.0° C
552.2° F
Equatorial radius1113.5 Km0.17 Earth radii
Density5.31 grams/cc0.96 Earth densities
Eccentricity of orbit0.003
Escape Velocity 1.9 Km/sec
Molecular weight retained823.0 and above
Axial tilt27°
Planetary albedo 0.07
Exospheric Temperature4913.59° K+3640.59° C Earth temperature
Length of year97.49 Earth days1.00 Local days
Length of day2339.81 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 star6.9E+07 KM0.460 AU
Mass1.4E+24Kg0.236 Earth masses
Surface gravity596.7 cm/sec20.61 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature 82.2° Celcius
180.0° Fahrenheit		+68.2° C Earth temperature
+122.8° F Earth temperature
Normal temperature range
MinMax
-224.4° C
-371.9° F		 - 263.2° C
505.7° F
Equatorial radius3968.1 Km0.62 Earth radii
Density5.38 grams/cc0.97 Earth densities
Eccentricity of orbit0.057
Escape Velocity 6.9 Km/sec
Molecular weight retained51.0 and aboveSO2, SO3, Kr, Xe
Axial tilt19°
Planetary albedo 0.07
Exospheric Temperature3911.56° K+2638.56° C Earth temperature
Length of year115.68 Earth days1.00 Local days
Length of day2776.30 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 #4 Statistics
Planet typeTerrestrialTerrestrial
Earth-like (N2, O2 - breathable)
Distance from primary star1.2E+08 KM0.813 AU
Mass6.6E+24Kg1.097 Earth masses
Surface gravity1012.4 cm/sec21.03 Earth gees
Surface pressure 1256 millibars1.240 Earth atmospheres
Surface temperature 14.3° Celcius
57.8° Fahrenheit		+0.3° C Earth temperature
+0.6° F Earth temperature
Normal temperature range
NightDay
9.7° C
49.5° F		 - 18.7° C
65.6° F
MinMax
-12.3° C
9.9° F		 - 39.5° C
103.0° F
Equatorial radius6573.2 Km1 Earth radii
Density5.51 grams/cc1 Earth densities
Eccentricity of orbit0.115
Escape Velocity11.5 Km/sec
Molecular weight retained 5.8 and aboveN, O, CH4, NH3, H2O, Ne, N2, CO...
Nitrogen 77.8%  978 mb (ipp: 929) 
Oxygen 21.4%  269 mb (ipp: 256) 
Argon  0.7%  8 mb (ipp: 8) 
Axial tilt23°
Planetary albedo 0.31
Exospheric Temperature1250.62° K-22.38° C Earth temperature
Length of year272.07 Earth days376.30 Local days
Length of day17.35 hours
Boiling point of water106.2° Celcius
223.2° Fahrenheit
Hydrosphere percentage75.6
Cloud cover percentage54.5
Ice cover percentage 1.9


Planet #5 Statistics
Planet typeTerrestrialTerrestrial
High-G, Cold, Wet, Few clouds, Thick atmosphere (He - unbreathable)
Distance from primary star2.2E+08 KM1.486 AU
Mass1.7E+25Kg2.776 Earth masses
Surface gravity1409.0 cm/sec21.44 Earth gees
Surface pressure 8048 millibars7.943 Earth atmospheres
Surface temperature 1.7° Celcius
35.0° Fahrenheit		-12.3° C Earth temperature
-22.2° F Earth temperature
Normal temperature range
MinMax
-9.3° C
15.3° F		 - 12.1° C
53.8° F
Equatorial radius8864.2 Km1.4 Earth radii
Density5.69 grams/cc1 Earth densities
Eccentricity of orbit0.014
Escape Velocity15.8 Km/sec
Molecular weight retained 1.0 and aboveH2, He, N, O, CH4, NH3, H2O, Ne...
Helium 99.9%  8036 mb (ipp: 7974) 
Nitrogen  0.1%  12 mb (ipp: 12) 
Axial tilt18°
Planetary albedo 0.19
Exospheric Temperature374.52° K-898.48° C Earth temperature
Length of year672.06 Earth days1261.21 Local days
1.84 Earth years
Length of day12.79 hours
Boiling point of water167.8° Celcius
334.0° Fahrenheit
Hydrosphere percentage80.2
Cloud cover percentage25.7
Ice cover percentage 9.2


Planet #6 Statistics
Planet typeRockRock
Low-G, Cold, Airless
Distance from primary star2.6E+08 KM1.709 AU
Mass9E+22Kg0.015 Earth masses
Surface gravity237.1 cm/sec20.24 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature-88.8° Celcius
-127.9° Fahrenheit		-102.8° C Earth temperature
-185.1° F Earth temperature
Normal temperature range
NightDay
-114.9° C
-174.7° F		 - -62.8° C
-81.1° F
MinMax
-141.3° C
-222.3° F		 - -36.8° C
-34.2° F
Equatorial radius1594.2 Km0.25 Earth radii
Density5.32 grams/cc0.96 Earth densities
Eccentricity of orbit0.078
Escape Velocity 2.7 Km/sec
Molecular weight retained23.1 and aboveN2, CO, NO, O2, H2S, Ar, CO2, N2O...
Axial tilt19°
Planetary albedo 0.07
Exospheric Temperature283.21° K-989.79° C Earth temperature
Length of year828.78 Earth days604.61 Local days
2.27 Earth years
Length of day32.90 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 #7 Statistics
Planet typeSub-JovianSub-Jovian
Distance from primary star4E+08 KM2.650 AU
Mass6E+25Kg10.055 Earth masses
4.906 Earth masses dust
5.149 Earth masses gas
Equatorial radius22934.9 Km3.6 Earth radii
Density1.19 grams/cc0.22 Earth densities
Eccentricity of orbit0.019
Escape Velocity18.7 Km/sec
Molecular weight retained 0.2 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt37°
Planetary albedo 0.49
Exospheric Temperature117.85° K-1155.15° C Earth temperature
Length of year1599.59 Earth days2593.37 Local days
4.38 Earth years
Length of day14.80 hours


Planet #8 Statistics
Planet typeJovianJovian
Distance from primary star8.5E+08 KM5.699 AU
Mass2.3E+27Kg382.974 Earth masses
30.708 Earth masses dust
352.267 Earth masses gas
Equatorial radius70676.6 Km11 Earth radii
Density1.55 grams/cc0.28 Earth densities
Eccentricity of orbit0.132
Escape Velocity65.7 Km/sec
Molecular weight retained 0.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt20°
Planetary albedo 0.52
Exospheric Temperature 25.47° K-1247.53° C Earth temperature
Length of year5042.84 Earth days16373.68 Local days
13.81 Earth years
Length of day7.39 hours


Planet #9 Statistics
Planet typeSub-JovianSub-Jovian
Distance from primary star1.6E+09 KM10.664 AU
Mass6.6E+25Kg11.104 Earth masses
3.138 Earth masses dust
7.966 Earth masses gas
Equatorial radius26513.1 Km4.2 Earth radii
Density0.85 grams/cc0.15 Earth densities
Eccentricity of orbit0.003
Escape Velocity18.3 Km/sec
Molecular weight retained 0.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt51°
Planetary albedo 0.45
Exospheric Temperature 7.28° K-1265.72° C Earth temperature
Length of year12915.11 Earth days19034.52 Local days
35.36 Earth years
Length of day16.28 hours


Planet #10 Statistics
Planet typeSub-JovianSub-Jovian
Distance from primary star2.3E+09 KM15.278 AU
Mass2.4E+25Kg4.051 Earth masses
1.677 Earth masses dust
2.374 Earth masses gas
Equatorial radius20357.8 Km3.2 Earth radii
Density0.69 grams/cc0.12 Earth densities
Eccentricity of orbit0.095
Escape Velocity12.6 Km/sec
Molecular weight retained 0.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt41°
Planetary albedo 0.52
Exospheric Temperature 3.54° K-1269.46° C Earth temperature
Length of year22147.40 Earth days25674.93 Local days
60.64 Earth years
Length of day20.70 hours


Planet #11 Statistics
Planet typeJovianJovian
Distance from primary star3E+09 KM19.948 AU
Mass3.4E+26Kg57.045 Earth masses
6.364 Earth masses dust
50.681 Earth masses gas
Equatorial radius45021.7 Km7.1 Earth radii
Density0.89 grams/cc0.16 Earth densities
Eccentricity of orbit0.002
Escape Velocity31.8 Km/sec
Molecular weight retained 0.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt59°
Planetary albedo 0.54
Exospheric Temperature 2.08° K-1270.92° C Earth temperature
Length of year33037.54 Earth days64991.70 Local days
90.45 Earth years
Length of day12.20 hours


Planet #12 Statistics
Planet typeRockRock
Low-G, Cold, Airless
Distance from primary star4.5E+09 KM30.359 AU
Mass5.3E+23Kg0.088 Earth masses
Surface gravity239.2 cm/sec20.24 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature-230.3° Celcius
-382.6° Fahrenheit		-244.3° C Earth temperature
-439.8° F Earth temperature
Normal temperature range
NightDay
-235.9° C
-392.7° F		 - -224.6° C
-372.2° F
MinMax
-253.7° C
-424.7° F		 - -206.1° C
-339.0° F
Equatorial radius3829.8 Km0.6 Earth radii
Density2.24 grams/cc0.4 Earth densities
Eccentricity of orbit0.173
Escape Velocity 4.3 Km/sec
Molecular weight retained 0.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt29°
Planetary albedo 0.15
Exospheric Temperature 0.90° K-1272.10° C Earth temperature
Length of year62036.65 Earth days48051.69 Local days
169.84 Earth years
Length of day30.98 hours
Boiling point of water-68.6° Celcius
-91.4° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.0
Ice cover percentage 0.0


Planet #13 Statistics
Planet typeIceIce
Low-G, Cold, Icy, Arid, Cloudless, Unbreathably thin atmosphere
Distance from primary star6.2E+09 KM41.683 AU
Mass3.5E+24Kg
0.593 Earth masses
0.468 Earth masses dust
0.125 Earth masses gas
Surface gravity460.0 cm/sec20.47 Earth gees
Surface pressure 92 millibars0.091 Earth atmospheres
Surface temperature-235.4° Celcius
-391.8° Fahrenheit		-249.4° C Earth temperature
-449.0° F Earth temperature
+5.3° C greenhouse effect
Normal temperature range
NightDay
-237.7° C
-395.8° F		 - -233.2° C
-387.8° F
MinMax
-248.8° C
-415.8° F		 - -223.0° C
-369.3° F
Equatorial radius7170.9 Km1.1 Earth radii
Density2.30 grams/cc0.42 Earth densities
Eccentricity of orbit0.075
Escape Velocity 8.1 Km/sec
Molecular weight retained 0.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt66°
Planetary albedo 0.22
Exospheric Temperature 0.48° K-1272.52° C Earth temperature
Length of year99803.65 Earth days107191.60 Local days
273.24 Earth years
Length of day22.35 hours
Boiling point of water43.9° Celcius
111.1° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.0
Ice cover percentage100.0


Planet #14 Statistics
Planet typeRockRock
Low-G, Cold, Airless
Distance from primary star7.1E+09 KM47.504 AU
Mass2E+23Kg0.033 Earth masses
Surface gravity171.4 cm/sec20.17 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature-238.9° Celcius
-398.1° Fahrenheit		-252.9° C Earth temperature
-455.3° F Earth temperature
Normal temperature range
NightDay
-244.0° C
-407.3° F		 - -233.6° C
-388.6° F
MinMax
-255.8° C
-428.5° F		 - -221.5° C
-366.7° F
Equatorial radius2758.2 Km0.43 Earth radii
Density2.22 grams/cc0.4 Earth densities
Eccentricity of orbit0.042
Escape Velocity 3.1 Km/sec
Molecular weight retained 0.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt56°
Planetary albedo 0.15
Exospheric Temperature 0.37° K-1272.63° C Earth temperature
Length of year121426.38 Earth days79617.92 Local days
332.44 Earth years
Length of day36.60 hours
Boiling point of water-83.7° Celcius
-118.7° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.0
Ice cover percentage 0.0


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