Beta Hydri
9 Planets (size proportional to Sqrt(Radius))
Sun Rock Rock Rock Jovian Martian Jovian Sub-Jovian Jovian Sub-Jovian See
Key
Stellar charactersistics
Stellar mass 1.10 solar masses
Stellar luminosity 3.60
Age 2.345 billion years
(0.711 billion left on main sequence)
Habitable ecosphere radius 1.897 AU

Planetary Overview
#TypeDist.MassRadius
1 Rock Rock 0.370 AU 0.110 EM 0.484 ER
2 Rock Rock 0.670 AU 0.728 EM 0.902 ER
3 Rock Rock 1.218 AU 0.602 EM 0.847 ER
4 Jovian Jovian 1.634 AU 25.428 EM 4.216 ER
5 Martian Martian 2.603 AU 0.216 EM 0.604 ER
6 Jovian Jovian 4.607 AU 1593.474 EM 15.364 ER
7 Sub-Jovian Sub-Jovian 10.372 AU 9.194 EM 3.655 ER
8 Jovian Jovian 16.443 AU 542.041 EM 12.473 ER
9 Sub-Jovian Sub-Jovian 41.366 AU 2.282 EM 2.732 ER

Planet #1 Statistics
Planet typeRockRock
Tidally Locked 1 Face
Low-G, Hot, Airless, 1-Face
Distance from primary star5.5E+07 KM0.370 AU
Mass6.6E+23Kg0.110 Earth masses
Surface gravity461.6 cm/sec20.47 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature334.8° Celcius
634.7° Fahrenheit
+320.8° C Earth temperature
+577.5° F Earth temperature
Normal temperature range
NightDay
-171.0° C
-275.8° F
- 570.2° C
1058.4° F
MinMax
-181.7° C
-295.1° F
- 573.0° C
1063.5° F
Equatorial radius3085.6 Km0.48 Earth radii
Density5.35 grams/cc0.97 Earth densities
Eccentricity of orbit0.062
Escape Velocity 5.3 Km/sec
Molecular weight retained715.8 and above
Axial tilt17°
Planetary albedo 0.07
Exospheric Temperature33519.13° K+32246.13° C Earth temperature
Length of year78.30 Earth days1.00 Local days
Length of day1879.28 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
Hot, Airless
Distance from primary star1E+08 KM0.670 AU
Mass4.3E+24Kg0.728 Earth masses
Surface gravity877.7 cm/sec20.89 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature178.5° Celcius
353.3° Fahrenheit
+164.5° C Earth temperature
+296.1° F Earth temperature
Normal temperature range
NightDay
119.4° C
246.9° F
- 235.5° C
456.0° F
MinMax
84.3° C
183.7° F
- 269.0° C
516.2° F
Equatorial radius5749.8 Km0.9 Earth radii
Density5.46 grams/cc0.99 Earth densities
Eccentricity of orbit0.059
Escape Velocity10.0 Km/sec
Molecular weight retained61.5 and aboveSO2, SO3, Kr, Xe
Axial tilt23°
Planetary albedo 0.07
Exospheric Temperature10206.58° K+8933.58° C Earth temperature
Length of year191.02 Earth days152.19 Local days
Length of day30.12 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
Hot, Airless
Distance from primary star1.8E+08 KM1.218 AU
Mass3.6E+24Kg0.602 Earth masses
Surface gravity822.1 cm/sec20.84 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature 61.9° Celcius
143.4° Fahrenheit
+47.9° C Earth temperature
+86.2° F Earth temperature
Normal temperature range
NightDay
35.7° C
96.2° F
- 87.9° C
190.2° F
MinMax
-2.1° C
28.2° F
- 124.4° C
255.9° F
Equatorial radius5403.5 Km0.85 Earth radii
Density5.44 grams/cc0.99 Earth densities
Eccentricity of orbit0.200
Escape Velocity 9.4 Km/sec
Molecular weight retained21.2 and aboveN2, CO, NO, O2, H2S, Ar, CO2, N2O...
Axial tilt15°
Planetary albedo 0.07
Exospheric Temperature3090.35° K+1817.35° C Earth temperature
Length of year468.00 Earth days661.85 Local days
1.28 Earth years
Length of day16.97 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 typeJovianJovian
Distance from primary star2.4E+08 KM1.634 AU
Mass1.5E+26Kg25.428 Earth masses
7.093 Earth masses dust
18.335 Earth masses gas
Equatorial radius26887.2 Km4.2 Earth radii
Density1.87 grams/cc0.34 Earth densities
Eccentricity of orbit0.049
Escape Velocity27.5 Km/sec
Molecular weight retained 1.4 and aboveH2, He, N, O, CH4, NH3, H2O, Ne...
Axial tilt29°
Planetary albedo 0.55
Exospheric Temperature1716.48° K+443.48° C Earth temperature
Length of year727.37 Earth days1599.55 Local days
1.99 Earth years
Length of day10.91 hours


Planet #5 Statistics
Planet typeMartianMartian
Low-G, Cold, Icy, Arid, Cloudless, Unbreathably thin atmosphere
Distance from primary star3.9E+08 KM2.603 AU
Mass1.3E+24Kg0.216 Earth masses
Surface gravity579.2 cm/sec20.59 Earth gees
Surface pressure 43 millibars0.042 Earth atmospheres
Surface temperature-65.3° Celcius
-85.5° Fahrenheit
-79.3° C Earth temperature
-142.7° F Earth temperature
Normal temperature range
NightDay
-79.2° C
-110.6° F
- -51.6° C
-60.9° F
MinMax
-104.2° C
-155.6° F
- -27.7° C
-17.9° F
Equatorial radius3854.7 Km0.6 Earth radii
Density5.38 grams/cc0.97 Earth densities
Eccentricity of orbit0.002
Escape Velocity 6.7 Km/sec
Molecular weight retained 9.2 and aboveN, O, CH4, NH3, H2O, Ne, N2, CO...
Axial tilt24°
Planetary albedo 0.46
Exospheric Temperature676.58° K-596.42° C Earth temperature
Length of year1462.21 Earth days1761.66 Local days
4.00 Earth years
Length of day19.92 hours
Boiling point of water29.5° Celcius
85.0° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 0.2
Ice cover percentage57.2


Planet #6 Statistics
Planet typeJovianJovian
Distance from primary star6.9E+08 KM4.607 AU
Mass9.5E+27Kg1593.474 Earth masses
68.373 Earth masses dust
1525.102 Earth masses gas
Equatorial radius97993.1 Km15 Earth radii
Density2.42 grams/cc0.44 Earth densities
Eccentricity of orbit0.128
Escape Velocity113.9 Km/sec
Molecular weight retained 0.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt22°
Planetary albedo 0.52
Exospheric Temperature215.91° K-1057.09° C Earth temperature
Length of year3436.44 Earth days16415.22 Local days
9.41 Earth years
Length of day5.02 hours


Planet #7 Statistics
Planet typeSub-JovianSub-Jovian
Distance from primary star1.6E+09 KM10.372 AU
Mass5.5E+25Kg9.194 Earth masses
2.210 Earth masses dust
6.984 Earth masses gas
Equatorial radius23311.5 Km3.7 Earth radii
Density1.04 grams/cc0.19 Earth densities
Eccentricity of orbit0.106
Escape Velocity17.7 Km/sec
Molecular weight retained 0.1 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt33°
Planetary albedo 0.46
Exospheric Temperature 42.60° K-1230.40° C Earth temperature
Length of year11633.39 Earth days17743.90 Local days
31.85 Earth years
Length of day15.74 hours


Planet #8 Statistics
Planet typeJovianJovian
Distance from primary star2.5E+09 KM16.443 AU
Mass3.2E+27Kg542.041 Earth masses
23.794 Earth masses dust
518.247 Earth masses gas
Equatorial radius79551.8 Km12 Earth radii
Density1.54 grams/cc0.28 Earth densities
Eccentricity of orbit0.081
Escape Velocity73.7 Km/sec
Molecular weight retained 0.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt32°
Planetary albedo 0.49
Exospheric Temperature 16.95° K-1256.05° C Earth temperature
Length of year23203.55 Earth days79630.96 Local days
63.53 Earth years
Length of day6.99 hours


Planet #9 Statistics
Planet typeSub-JovianSub-Jovian
Distance from primary star6.2E+09 KM41.366 AU
Mass1.4E+25Kg2.282 Earth masses
0.846 Earth masses dust
1.435 Earth masses gas
Equatorial radius17422.3 Km2.7 Earth radii
Density0.62 grams/cc0.11 Earth densities
Eccentricity of orbit0.042
Escape Velocity10.2 Km/sec
Molecular weight retained 0.0 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt58°
Planetary albedo 0.48
Exospheric Temperature 2.68° K-1270.32° C Earth temperature
Length of year92653.89 Earth days94199.86 Local days
253.67 Earth years
Length of day23.61 hours


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