Xi Ursae Majoris Ba
6 Planets (size proportional to Sqrt(Radius))
Sun Rock Rock Rock Rock Jovian Sub-Jovian See
Key
Stellar charactersistics
Stellar mass 0.90 solar masses
Stellar luminosity 2.90
Age 2.377 billion years
(0.726 billion left on main sequence)
Habitable ecosphere radius 1.703 AU

Planetary Overview
#TypeDist.MassRadius
1 Rock Rock 0.402 AU 0.029 EM 0.311 ER
2 Rock Rock 0.472 AU 0.321 EM 0.689 ER
3 Rock Rock 0.823 AU 0.937 EM 0.979 ER
4 Rock Rock 1.073 AU 0.606 EM 0.849 ER
5 Jovian Jovian 1.845 AU 24.208 EM 4.236 ER
6 Sub-Jovian Sub-Jovian 2.488 AU 3.408 EM 2.451 ER

Planet #1 Statistics
Planet typeRockRock
Tidally Locked 1 Face
Low-G, Hot, Airless, 1-Face
Distance from primary star6E+07 KM0.402 AU
Mass1.7E+23Kg0.029 Earth masses
Surface gravity295.7 cm/sec20.30 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature279.2° Celcius
534.5° Fahrenheit		+265.2° C Earth temperature
+477.3° F Earth temperature
Normal temperature range
MinMax
-194.7° C
-318.5° F		 - 506.2° C
943.2° F
Equatorial radius1986.5 Km0.31 Earth radii
Density5.33 grams/cc0.97 Earth densities
Eccentricity of orbit0.070
Escape Velocity 3.4 Km/sec
Molecular weight retained1182.0 and above
Axial tilt26°
Planetary albedo 0.07
Exospheric Temperature22824.26° K+21551.26° C Earth temperature
Length of year98.20 Earth days1.00 Local days
Length of day2356.73 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 star7.1E+07 KM0.472 AU
Mass1.9E+24Kg0.321 Earth masses
Surface gravity662.6 cm/sec20.68 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature236.8° Celcius
458.2° Fahrenheit		+222.8° C Earth temperature
+401.0° F Earth temperature
Normal temperature range
MinMax
-204.6° C
-336.3° F		 - 455.1° C
851.1° F
Equatorial radius4392.7 Km0.69 Earth radii
Density5.40 grams/cc0.98 Earth densities
Eccentricity of orbit0.069
Escape Velocity 7.6 Km/sec
Molecular weight retained173.5 and above
Axial tilt23°
Planetary albedo 0.07
Exospheric Temperature16587.27° K+15314.27° C Earth temperature
Length of year124.76 Earth days1.00 Local days
Length of day2994.16 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 #3 Statistics
Planet typeRockRock
Hot, Airless
Distance from primary star1.2E+08 KM0.823 AU
Mass5.6E+24Kg0.937 Earth masses
Surface gravity958.1 cm/sec20.98 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature113.0° Celcius
235.3° Fahrenheit		+99.0° C Earth temperature
+178.1° F Earth temperature
+15.1° C greenhouse effect
Normal temperature range
NightDay
83.2° C
181.7° F		 - 142.4° C
288.3° F
MinMax
49.7° C
121.5° F		 - 174.8° C
346.6° F
Equatorial radius6243.7 Km0.98 Earth radii
Density5.49 grams/cc0.99 Earth densities
Eccentricity of orbit0.028
Escape Velocity10.9 Km/sec
Molecular weight retained27.8 and aboveN2, CO, NO, O2, H2S, Ar, CO2, N2O...
Axial tilt16°
Planetary albedo 0.07
Exospheric Temperature5452.10° K+4179.10° C Earth temperature
Length of year287.39 Earth days412.33 Local days
Length of day16.73 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 typeRockRock
Hot, Airless
Distance from primary star1.6E+08 KM1.073 AU
Mass3.6E+24Kg0.606 Earth masses
Surface gravity824.0 cm/sec20.84 Earth gees
Surface pressure 0 millibars0.000 Earth atmospheres
Surface temperature 65.0° Celcius
149.1° Fahrenheit		+51.0° C Earth temperature
+91.9° F Earth temperature
+3.5° C greenhouse effect
Normal temperature range
NightDay
38.4° C
101.2° F		 - 91.4° C
196.5° F
MinMax
8.7° C
47.6° F		 - 120.4° C
248.7° F
Equatorial radius5415.5 Km0.85 Earth radii
Density5.44 grams/cc0.99 Earth densities
Eccentricity of orbit0.008
Escape Velocity 9.4 Km/sec
Molecular weight retained21.9 and aboveN2, CO, NO, O2, H2S, Ar, CO2, N2O...
Axial tilt27°
Planetary albedo 0.07
Exospheric Temperature3208.59° K+1935.59° C Earth temperature
Length of year427.72 Earth days601.48 Local days
1.17 Earth years
Length of day17.07 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 #5 Statistics
Planet typeJovianJovian
Distance from primary star2.8E+08 KM1.845 AU
Mass1.4E+26Kg24.208 Earth masses
6.904 Earth masses dust
17.304 Earth masses gas
Equatorial radius27016.7 Km4.2 Earth radii
Density1.75 grams/cc0.32 Earth densities
Eccentricity of orbit0.060
Escape Velocity26.7 Km/sec
Molecular weight retained 0.9 and aboveH, H2, He, N, O, CH4, NH3, H2O...
Axial tilt22°
Planetary albedo 0.46
Exospheric Temperature1084.10° K-188.90° C Earth temperature
Length of year965.11 Earth days2060.98 Local days
2.64 Earth years
Length of day11.24 hours


Planet #6 Statistics
Planet typeSub-JovianSub-Jovian
Distance from primary star3.7E+08 KM2.488 AU
Mass2E+25Kg3.408 Earth masses
2.188 Earth masses dust
1.219 Earth masses gas
Equatorial radius15634.8 Km2.5 Earth radii
Density1.27 grams/cc0.23 Earth densities
Eccentricity of orbit0.021
Escape Velocity13.2 Km/sec
Molecular weight retained 2.1 and aboveHe, N, O, CH4, NH3, H2O, Ne, N2...
Axial tilt21°
Planetary albedo 0.52
Exospheric Temperature596.42° K-676.58° C Earth temperature
Length of year1510.87 Earth days2091.80 Local days
4.14 Earth years
Length of day17.33 hours


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