Chi1 Orionis A
5 Planets (size proportional to Sqrt(Radius))
Sun Rock Rock Terrestrial Terrestrial Terrestrial See
Key
Stellar charactersistics
Stellar mass 1.00 solar masses
Stellar luminosity 1.08
Age 2.026 billion years
(7.233 billion left on main sequence)
Habitable ecosphere radius 1.039 AU

Planetary Overview
#TypeDist.MassRadius
1 Rock Rock 0.305 AU 0.137 EM 0.520 ER
2 Rock Rock 0.404 AU 0.046 EM 0.363 ER
3 Terrestrial Terrestrial 0.988 AU 0.651 EM 0.869 ER
4 Terrestrial Terrestrial 1.079 AU 1.467 EM 1.133 ER
5 Terrestrial Terrestrial 1.148 AU 1.037 EM 1.012 ER

Planet #1 Statistics
Planet typeRockRock
Tidally Locked 1 Face
Low-G, Hot, Airless, 1-Face
Distance from primary star4.6E+07 KM0.305 AU
Mass8.2E+23Kg0.137 Earth masses
Surface gravity496.9 cm/sec20.51 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature221.9° Celcius
431.5° Fahrenheit		+207.9° C Earth temperature
+374.3° F Earth temperature
Normal temperature range
NightDay
-181.5° C
-294.8° F		 - 432.3° C
810.2° F
MinMax
-192.9° C
-315.3° F		 - 435.7° C
816.3° F
Equatorial radius3317.9 Km0.52 Earth radii
Density5.36 grams/cc0.97 Earth densities
Eccentricity of orbit0.090
Escape Velocity 5.7 Km/sec
Molecular weight retained270.8 and above
Axial tilt21°
Planetary albedo 0.07
Exospheric Temperature14735.40° K+13462.40° C Earth temperature
Length of year61.66 Earth days1.00 Local days
Length of day1479.88 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 star6E+07 KM0.404 AU
Mass2.8E+23Kg0.046 Earth masses
Surface gravity345.1 cm/sec20.35 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature157.5° Celcius
315.5° Fahrenheit		+143.5° C Earth temperature
+258.3° F Earth temperature
Normal temperature range
MinMax
-211.0° C
-347.8° F		 - 357.1° C
674.8° F
Equatorial radius2315.6 Km0.36 Earth radii
Density5.33 grams/cc0.97 Earth densities
Eccentricity of orbit0.044
Escape Velocity 4.0 Km/sec
Molecular weight retained319.7 and above
Axial tilt20°
Planetary albedo 0.07
Exospheric Temperature8436.07° K+7163.07° C Earth temperature
Length of year93.69 Earth days1.00 Local days
Length of day2248.50 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 typeTerrestrialTerrestrial
Thin atmosphere (N2, O2 - breathable)
Distance from primary star1.5E+08 KM0.988 AU
Mass3.9E+24Kg0.651 Earth masses
Surface gravity844.7 cm/sec20.86 Earth gees
Surface pressure 430 millibars0.424 Earth atmospheres
Surface temperature 13.4° Celcius
56.1° Fahrenheit		-0.6° C Earth temperature
-1.1° F Earth temperature
Normal temperature range
NightDay
5.9° C
42.6° F		 - 20.4° C
68.8° F
MinMax
-25.0° C
-13.0° F		 - 49.7° C
121.4° F
Equatorial radius5544.8 Km0.87 Earth radii
Density5.45 grams/cc0.99 Earth densities
Eccentricity of orbit0.232
Escape Velocity 9.7 Km/sec
Molecular weight retained 9.1 and aboveN, O, CH4, NH3, H2O, Ne, N2, CO...
Nitrogen 53.8%  231 mb (ipp: 197) 
Oxygen 45.8%  197 mb (ipp: 168) 
Argon  0.4%  2 mb (ipp: 1) 
Axial tilt22°
Planetary albedo 0.27
Exospheric Temperature1409.73° K+136.73° C Earth temperature
Length of year358.46 Earth days503.26 Local days
Length of day17.09 hours
Boiling point of water77.9° Celcius
172.3° Fahrenheit
Hydrosphere percentage61.2
Cloud cover percentage41.0
Ice cover percentage 2.2


Planet #4 Statistics
Planet typeTerrestrialTerrestrial
Thick atmosphere (N2, O2 - breathable)
Distance from primary star1.6E+08 KM1.079 AU
Mass8.8E+24Kg1.467 Earth masses
Surface gravity1121.4 cm/sec21.14 Earth gees
Surface pressure 2181 millibars2.153 Earth atmospheres
Surface temperature 15.5° Celcius
59.8° Fahrenheit		+1.5° C Earth temperature
+2.6° F Earth temperature
Normal temperature range
NightDay
12.5° C
54.4° F		 - 18.3° C
64.9° F
MinMax
-4.3° C
24.3° F		 - 34.1° C
93.5° F
Equatorial radius7223.9 Km1.1 Earth radii
Density5.55 grams/cc1 Earth densities
Eccentricity of orbit0.001
Escape Velocity12.7 Km/sec
Molecular weight retained 4.5 and aboveN, O, CH4, NH3, H2O, Ne, N2, CO...
Nitrogen 79.4%  1732 mb (ipp: 1683) 
Oxygen 20.2%  441 mb (ipp: 429) 
Argon  0.3%  7 mb (ipp: 7) 
Axial tilt19°
Planetary albedo 0.35
Exospheric Temperature1181.63° K-91.37° C Earth temperature
Length of year409.19 Earth days678.89 Local days
1.12 Earth years
Length of day14.47 hours
Boiling point of water122.6° Celcius
252.8° Fahrenheit
Hydrosphere percentage73.2
Cloud cover percentage59.8
Ice cover percentage 3.0


Planet #5 Statistics
Planet typeTerrestrialTerrestrial
Cold, Few clouds (N2, O2 - breathable)
Distance from primary star1.7E+08 KM1.148 AU
Mass6.2E+24Kg1.037 Earth masses
Surface gravity992.7 cm/sec21.01 Earth gees
Surface pressure 1089 millibars1.075 Earth atmospheres
Surface temperature 8.3° Celcius
46.9° Fahrenheit		-5.7° C Earth temperature
-10.3° F Earth temperature
Normal temperature range
NightDay
4.0° C
39.1° F		 - 12.4° C
54.3° F
MinMax
-19.5° C
-3.1° F		 - 34.5° C
94.2° F
Equatorial radius6454.5 Km1 Earth radii
Density5.50 grams/cc1 Earth densities
Eccentricity of orbit0.127
Escape Velocity11.3 Km/sec
Molecular weight retained 5.0 and aboveN, O, CH4, NH3, H2O, Ne, N2, CO...
Nitrogen 66.6%  726 mb (ipp: 684) 
Oxygen 33.1%  360 mb (ipp: 339) 
Argon  0.3%  3 mb (ipp: 3) 
Axial tilt16°
Planetary albedo 0.22
Exospheric Temperature1042.38° K-230.62° C Earth temperature
Length of year449.54 Earth days702.38 Local days
1.23 Earth years
Length of day15.36 hours
Boiling point of water102.2° Celcius
216.0° Fahrenheit
Hydrosphere percentage71.9
Cloud cover percentage33.5
Ice cover percentage 4.2


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