🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.62 AU - 0.72 AU

Year: 209 Days

Day: 34.6 Hours

Environment

Temp: 160 °C

Axial Tilt: 37.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 90,822,729 km

• M1: 29,620 km (0.108 R)
• M2: 196,721 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.62 AU - 0.92 AU

Year: 257 Days

Day: 12.6 Hours

Environment

Temp: 167 °C

Axial Tilt: 29.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.54 AU - 1.96 AU

Year: 882 Days

Day: 20.5 Hours

Environment

Temp: -69 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.98 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.3

Radius: 12.2

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.36 AU - 5.06 AU

Year: 3289 Days

Day: 11.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,822,729 km

• M1: 151,692 km (0.073 R)
• M2: 626,965 km (0.115 R)
• M3: 1,403,378 km (0.118 R)
• M4: 1,984,117 km (0.037 R)
• M5: 2,365,591 km (0.063 R)
• M6: 2,781,473 km (0.105 R)
• M7: 3,331,844 km (0.091 R)
• M8: 4,131,295 km (0.115 R)
• M9: 5,193,739 km (0.088 R)
• M10: 5,676,641 km (0.092 R)
• M11: 6,242,420 km (0.115 R)
• M12: 6,988,016 km (0.071 R)
• M13: 7,517,443 km (0.105 R)
• M14: 8,010,517 km (0.072 R)
• M15: 8,459,460 km (0.119 R)
• M16: 9,372,905 km (0.106 R)
• M17: 9,763,505 km (0.116 R)
• M18: 10,768,653 km (0.041 R)
• M19: 11,964,987 km (0.103 R)
• M20: 13,470,391 km (0.076 R)
• M21: 14,292,132 km (0.119 R)
• M22: 15,735,602 km (0.112 R)
• M23: 17,063,432 km (0.072 R)
• M24: 18,025,496 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.9

Radius: 12.5

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.18 AU - 5.32 AU

Year: 3942 Days

Day: 8.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 90,822,729 km

• M1: 156,031 km (0.106 R)
• M2: 573,409 km (0.108 R)
• M3: 1,015,022 km (0.066 R)
• M4: 1,508,246 km (0.084 R)
• M5: 2,284,958 km (0.089 R)
• M6: 2,846,548 km (0.11 R)
• M7: 3,386,896 km (0.082 R)
• M8: 3,892,088 km (0.12 R)
• M9: 4,537,453 km (0.046 R)
• M10: 5,638,643 km (0.072 R)
• M11: 6,351,776 km (0.034 R)
• M12: 6,760,178 km (0.104 R)
• M13: 8,399,322 km (0.079 R)
• M14: 10,053,426 km (0.083 R)
• M15: 10,731,702 km (0.078 R)
• M16: 11,313,040 km (0.089 R)
• M17: 11,915,171 km (0.069 R)
• M18: 12,629,501 km (0.043 R)
• M19: 13,514,672 km (0.071 R)
• M20: 15,723,185 km (0.1 R)
• M21: 17,135,987 km (0.115 R)
• M22: 17,587,174 km (0.098 R)
• M23: 19,716,999 km (0.081 R)
• M24: 21,553,762 km (0.046 R)
• M25: 22,413,202 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.4

Radius: 9.5

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.57 AU - 12.57 AU

Year: 12169 Days

Day: 12.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,822,729 km

• M1: 126,111 km (0.109 R)
• M2: 437,125 km (0.099 R)
• M3: 1,060,051 km (0.106 R)
• M4: 2,344,797 km (0.092 R)
• M5: 3,486,378 km (0.058 R)
• M6: 5,705,513 km (0.043 R)
• M7: 6,519,326 km (0.118 R)
• M8: 8,030,862 km (0.096 R)
• M9: 10,562,657 km (0.119 R)
• M10: 11,513,202 km (0.078 R)
• M11: 12,347,958 km (0.118 R)
• M12: 19,204,627 km (0.033 R)
• M13: 20,537,544 km (0.115 R)
• M14: 22,352,764 km (0.092 R)
• M15: 24,272,554 km (0.097 R)
• M16: 24,723,741 km (0.105 R)
• M17: 26,967,859 km (0.096 R)
• M18: 30,166,560 km (0.11 R)
• M19: 32,507,019 km (0.073 R)
• M20: 34,396,440 km (0.063 R)
• M21: 34,737,374 km (0.049 R)
• M22: 35,657,400 km (0.096 R)
• M23: 40,503,025 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.2

Radius: 14

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 8.68 AU - 14.2 AU

Year: 14734 Days

Day: 12.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,822,729 km

• M1: 174,132 km (0.088 R)
• M2: 689,347 km (0.12 R)
• M3: 1,138,889 km (0.115 R)
• M4: 1,841,251 km (0.111 R)
• M5: 2,415,856 km (0.039 R)
• M6: 4,097,785 km (0.053 R)
• M7: 4,898,133 km (0.095 R)
• M8: 5,556,514 km (0.087 R)
• M9: 8,157,273 km (0.082 R)
• M10: 9,623,930 km (0.096 R)
• M11: 13,827,780 km (0.077 R)
• M12: 14,542,858 km (0.106 R)
• M13: 35,142,485 km (0.081 R)
• M14: 37,715,119 km (0.071 R)
• M15: 38,472,683 km (0.115 R)
• M16: 43,646,376 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364

Radius: 6.9

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 11.46 AU - 12.88 AU

Year: 16167 Days

Day: 24.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,822,729 km

• M1: 85,869 km (0.107 R)
• M2: 870,959 km (0.102 R)
• M3: 1,754,633 km (0.079 R)
• M4: 2,297,524 km (0.076 R)
• M5: 2,969,667 km (0.077 R)
• M6: 4,511,273 km (0.113 R)
• M7: 4,727,742 km (0.032 R)
• M8: 5,115,350 km (0.111 R)
• M9: 6,962,285 km (0.117 R)
• M10: 8,446,894 km (0.104 R)
• M11: 9,462,664 km (0.093 R)
• M12: 10,078,558 km (0.028 R)
• M13: 11,446,780 km (0.082 R)
• M14: 13,757,319 km (0.079 R)
• M15: 15,506,268 km (0.083 R)
• M16: 17,322,985 km (0.094 R)
• M17: 25,521,696 km (0.118 R)
• M18: 27,321,209 km (0.055 R)
• M19: 28,672,377 km (0.108 R)
• M20: 30,615,952 km (0.077 R)
• M21: 45,576,188 km (0.074 R)
• M22: 48,817,226 km (0.037 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.3

Radius: 5.4

Gravity: 29.71 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 14.01 AU - 16.95 AU

Year: 23193 Days

Day: 23.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,822,729 km

• M1: 117,135 km (0.118 R)
• M2: 1,244,953 km (0.077 R)
• M3: 1,451,399 km (0.085 R)
• M4: 1,625,680 km (0.102 R)
• M5: 3,859,027 km (0.084 R)
• M6: 5,368,320 km (0.052 R)
• M7: 5,963,121 km (0.043 R)
• M8: 6,322,156 km (0.091 R)
• M9: 7,904,003 km (0.091 R)
• M10: 8,843,478 km (0.085 R)
• M11: 9,671,203 km (0.052 R)
• M12: 15,498,489 km (0.099 R)
• M13: 16,874,490 km (0.064 R)
• M14: 18,329,928 km (0.094 R)
• M15: 20,870,249 km (0.115 R)
• M16: 27,485,467 km (0.104 R)
• M17: 29,622,622 km (0.072 R)
• M18: 36,992,861 km (0.101 R)
• M19: 40,222,080 km (0.086 R)
• M20: 44,305,354 km (0.108 R)
• M21: 49,378,218 km (0.098 R)
• M22: 54,436,720 km (0.108 R)
• M23: 62,125,602 km (0.077 R)
• M24: 70,277,489 km (0.116 R)
• M25: 73,067,041 km (0.093 R)
• M26: 83,410,686 km (0.1 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 16,782 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit