Chi Orionis A
6 Planets (size proportional to Sqrt(Radius))
Sun Rock Rock Rock Terrestrial Martian Martian See
Key
Stellar charactersistics
Stellar mass 1.00 solar masses
Stellar luminosity 1.08
Age 1.354 billion years
(7.905 billion left on main sequence)
Habitable ecosphere radius 1.039 AU

Planetary Overview
#TypeDist.MassRadius
1 Rock Rock 0.333 AU 0.136 EM 0.521 ER
2 Rock Rock 0.526 AU 0.012 EM 0.230 ER
3 Rock Rock 0.654 AU 0.414 EM 0.752 ER
4 Terrestrial Terrestrial 1.055 AU 1.510 EM 1.148 ER
5 Martian Martian 1.187 AU 0.654 EM 0.874 ER
6 Martian Martian 1.191 AU 0.589 EM 0.845 ER

Planet #1 Statistics
Planet typeRockRock
Tidally Locked 1 Face
Low-G, Hot, Airless, 1-Face
Distance from primary star5E+07 KM0.333 AU
Mass8.2E+23Kg0.136 Earth masses
Surface gravity492.0 cm/sec20.50 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature210.7° Celcius
411.2° Fahrenheit
+196.7° C Earth temperature
+354.0° F Earth temperature
Normal temperature range
NightDay
-187.2° C
-304.9° F
- 419.0° C
786.1° F
MinMax
-197.3° C
-323.1° F
- 422.1° C
791.7° F
Equatorial radius3324.6 Km0.52 Earth radii
Density5.30 grams/cc0.96 Earth densities
Eccentricity of orbit0.000
Escape Velocity 5.7 Km/sec
Molecular weight retained213.1 and above
Axial tilt12°
Planetary albedo 0.07
Exospheric Temperature12419.04° K+11146.04° C Earth temperature
Length of year70.10 Earth days1.00 Local days
Length of day1682.41 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
Resonant Spin Locked
Low-G, Hot, Airless, 1-Face
Distance from primary star7.9E+07 KM0.526 AU
Mass7E+22Kg0.012 Earth masses
Surface gravity215.9 cm/sec20.22 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature111.6° Celcius
232.8° Fahrenheit
+97.6° C Earth temperature
+175.6° F Earth temperature
Normal temperature range
MinMax
-219.7° C
-363.5° F
- 300.3° C
572.5° F
Equatorial radius1469.9 Km0.23 Earth radii
Density5.26 grams/cc0.95 Earth densities
Eccentricity of orbit0.156
Escape Velocity 2.5 Km/sec
Molecular weight retained439.0 and above
Axial tilt17°
Planetary albedo 0.07
Exospheric Temperature4964.81° K+3691.81° C Earth temperature
Length of year139.43 Earth days1.37 Local days
Length of day2441.62 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
Low-G, Hot, Airless
Distance from primary star9.8E+07 KM0.654 AU
Mass2.5E+24Kg0.414 Earth masses
Surface gravity717.2 cm/sec20.73 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature 72.0° Celcius
161.6° Fahrenheit
+58.0° C Earth temperature
+104.4° F Earth temperature
Normal temperature range
NightDay
26.8° C
80.2° F
- 116.5° C
241.6° F
MinMax
-3.8° C
25.2° F
- 146.4° C
295.5° F
Equatorial radius4797.2 Km0.75 Earth radii
Density5.35 grams/cc0.97 Earth densities
Eccentricity of orbit0.054
Escape Velocity 8.3 Km/sec
Molecular weight retained26.2 and aboveN2, CO, NO, O2, H2S, Ar, CO2, N2O...
Axial tilt29°
Planetary albedo 0.07
Exospheric Temperature3215.65° K+1942.65° C Earth temperature
Length of year193.12 Earth days153.67 Local days
Length of day30.16 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
Cool, Wet, Cloudy, Thick atmosphere (N2, O2 - breathable)
Distance from primary star1.6E+08 KM1.055 AU
Mass9E+24Kg1.510 Earth masses
Surface gravity1123.8 cm/sec21.15 Earth gees
Surface pressure 2280 millibars2.250 Earth atmospheres
Surface temperature 12.0° Celcius
53.5° Fahrenheit
-2.0° C Earth temperature
-3.7° F Earth temperature
+8.4° C greenhouse effect
Normal temperature range
NightDay
9.1° C
48.3° F
- 14.7° C
58.4° F
MinMax
-6.8° C
19.7° F
- 29.8° C
85.6° F
Equatorial radius7320.3 Km1.1 Earth radii
Density5.49 grams/cc1 Earth densities
Eccentricity of orbit0.014
Escape Velocity12.8 Km/sec
Molecular weight retained 4.2 and aboveN, O, CH4, NH3, H2O, Ne, N2, CO...
Nitrogen 94.4%  2153 mb (ipp: 2094) 
Oxygen  5.5%  126 mb (ipp: 123) 
Axial tilt30°
Planetary albedo 0.45
Exospheric Temperature1236.35° K-36.65° C Earth temperature
Length of year395.53 Earth days658.73 Local days
1.08 Earth years
Length of day14.41 hours
Boiling point of water124.0° Celcius
255.2° Fahrenheit
Hydrosphere percentage81.4
Cloud cover percentage83.3
Ice cover percentage 1.2


Planet #5 Statistics
Planet typeMartianMartian
Cold, Icy, Arid, Few clouds, Thin atmosphere (O2, N2 - breathable)
Distance from primary star1.8E+08 KM1.187 AU
Mass3.9E+24Kg0.654 Earth masses
Surface gravity839.2 cm/sec20.86 Earth gees
Surface pressure 427 millibars0.422 Earth atmospheres
Surface temperature -4.2° Celcius
24.4° Fahrenheit
-18.2° C Earth temperature
-32.8° F Earth temperature
+8.0° C greenhouse effect
Normal temperature range
NightDay
-11.1° C
12.0° F
- 2.3° C
36.1° F
MinMax
-38.6° C
-37.4° F
- 28.2° C
82.8° F
Equatorial radius5574.5 Km0.87 Earth radii
Density5.39 grams/cc0.98 Earth densities
Eccentricity of orbit0.134
Escape Velocity 9.7 Km/sec
Molecular weight retained 5.9 and aboveN, O, CH4, NH3, H2O, Ne, N2, CO...
Oxygen 55.1%  235 mb (ipp: 201) 
Nitrogen 44.9%  192 mb (ipp: 164) 
Axial tilt24°
Planetary albedo 0.24
Exospheric Temperature976.51° K-296.49° C Earth temperature
Length of year472.09 Earth days679.51 Local days
1.29 Earth years
Length of day16.67 hours
Boiling point of water77.8° Celcius
172.1° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage10.4
Ice cover percentage14.8


Planet #6 Statistics
Planet typeMartianMartian
Cold, Icy, Arid, Cloudless, Thin atmosphere (O2, N2 - breathable)
Distance from primary star1.8E+08 KM1.191 AU
Mass3.5E+24Kg0.589 Earth masses
Surface gravity809.6 cm/sec20.83 Earth gees
Surface pressure 347 millibars0.342 Earth atmospheres
Surface temperature -9.8° Celcius
14.3° Fahrenheit
-23.8° C Earth temperature
-42.9° F Earth temperature
+3.0° C greenhouse effect
Normal temperature range
NightDay
-17.3° C
0.8° F
- -2.7° C
27.1° F
MinMax
-44.6° C
-48.3° F
- 23.1° C
73.5° F
Equatorial radius5387.2 Km0.84 Earth radii
Density5.38 grams/cc0.97 Earth densities
Eccentricity of orbit0.074
Escape Velocity 9.3 Km/sec
Molecular weight retained 6.2 and aboveN, O, CH4, NH3, H2O, Ne, N2, CO...
Oxygen 58.5%  203 mb (ipp: 166) 
Nitrogen 41.5%  144 mb (ipp: 118) 
Axial tilt14°
Planetary albedo 0.27
Exospheric Temperature968.50° K-304.50° C Earth temperature
Length of year475.02 Earth days671.21 Local days
1.30 Earth years
Length of day16.98 hours
Boiling point of water72.8° Celcius
163.1° Fahrenheit
Hydrosphere percentage 0.0
Cloud cover percentage 7.1
Ice cover percentage21.5


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