🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.6

Radius: 14.4

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.64 AU - 0.78 AU

Year: 413 Days

Day: 7.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,247,877 km

• M1: 181,163 km (0.071 R)
• M2: 654,341 km (0.1 R)
• M3: 1,237,324 km (0.081 R)
• M4: 1,902,735 km (0.055 R)
• M5: 2,460,885 km (0.086 R)
• M6: 2,918,056 km (0.097 R)
• M7: 3,517,944 km (0.105 R)
• M8: 3,980,799 km (0.037 R)
• M9: 4,859,537 km (0.093 R)
• M10: 5,403,325 km (0.12 R)
• M11: 6,295,677 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.6

Radius: 9.5

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.66 AU - 1.06 AU

Year: 551 Days

Day: 6 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,247,877 km

• M1: 118,182 km (0.07 R)
• M2: 843,732 km (0.088 R)
• M3: 1,361,490 km (0.051 R)
• M4: 1,959,583 km (0.061 R)
• M5: 2,397,007 km (0.116 R)
• M6: 3,023,074 km (0.093 R)
• M7: 3,393,777 km (0.105 R)
• M8: 4,358,833 km (0.091 R)
• M9: 4,817,650 km (0.071 R)
• M10: 5,376,398 km (0.085 R)
• M11: 6,069,934 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.5

Radius: 13.8

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.56 AU - 1.68 AU

Year: 1423 Days

Day: 12.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,247,877 km

• M1: 172,486 km (0.044 R)
• M2: 620,532 km (0.118 R)
• M3: 1,070,373 km (0.107 R)
• M4: 2,067,891 km (0.028 R)
• M5: 2,544,959 km (0.12 R)
• M6: 3,875,183 km (0.067 R)
• M7: 5,139,285 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.7

Radius: 10.8

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.9 AU - 4.84 AU

Year: 6306 Days

Day: 12.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,247,877 km

• M1: 134,339 km (0.079 R)
• M2: 638,484 km (0.094 R)
• M3: 1,602,642 km (0.054 R)
• M4: 2,417,352 km (0.082 R)
• M5: 3,401,108 km (0.108 R)
• M6: 4,045,126 km (0.077 R)
• M7: 4,422,412 km (0.045 R)
• M8: 5,366,076 km (0.049 R)
• M9: 5,949,208 km (0.099 R)
• M10: 7,611,689 km (0.093 R)
• M11: 8,550,117 km (0.101 R)
• M12: 9,346,576 km (0.055 R)
• M13: 12,084,965 km (0.041 R)
• M14: 12,606,014 km (0.117 R)
• M15: 13,360,586 km (0.055 R)
• M16: 15,019,177 km (0.119 R)
• M17: 15,378,811 km (0.063 R)
• M18: 20,446,588 km (0.077 R)
• M19: 23,275,334 km (0.081 R)
• M20: 27,947,425 km (0.036 R)
• M21: 30,838,554 km (0.107 R)
• M22: 31,615,864 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.3

Radius: 11.3

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.78 AU - 5.6 AU

Year: 7011 Days

Day: 13.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,247,877 km

• M1: 143,165 km (0.111 R)
• M2: 498,011 km (0.105 R)
• M3: 966,402 km (0.117 R)
• M4: 1,564,943 km (0.118 R)
• M5: 2,453,555 km (0.101 R)
• M6: 3,556,091 km (0.118 R)
• M7: 4,100,926 km (0.106 R)
• M8: 4,962,760 km (0.091 R)
• M9: 6,783,815 km (0.084 R)
• M10: 7,388,639 km (0.064 R)
• M11: 8,793,213 km (0.099 R)
• M12: 9,374,850 km (0.118 R)
• M13: 10,319,560 km (0.096 R)
• M14: 10,865,742 km (0.094 R)
• M15: 11,430,923 km (0.061 R)
• M16: 13,831,071 km (0.088 R)
• M17: 16,954,974 km (0.095 R)
• M18: 18,355,509 km (0.102 R)
• M19: 23,525,013 km (0.11 R)
• M20: 27,843,156 km (0.086 R)
• M21: 33,624,365 km (0.11 R)
• M22: 36,508,762 km (0.09 R)
• M23: 40,280,274 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 823

Radius: 3.8

Gravity: 56.99 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.72 AU - 7.7 AU

Year: 10682 Days

Day: 15.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,247,877 km

• M1: 47,273 km (0.083 R)
• M2: 187,147 km (0.087 R)
• M3: 447,896 km (0.082 R)
• M4: 590,912 km (0.095 R)
• M5: 1,004,101 km (0.092 R)
• M6: 1,358,199 km (0.064 R)
• M7: 1,571,526 km (0.069 R)
• M8: 2,011,792 km (0.064 R)
• M9: 2,289,296 km (0.11 R)
• M10: 3,634,031 km (0.096 R)
• M11: 6,777,382 km (0.064 R)
• M12: 7,021,675 km (0.079 R)
• M13: 10,481,126 km (0.027 R)
• M14: 11,029,253 km (0.115 R)
• M15: 24,146,293 km (0.117 R)
• M16: 25,488,485 km (0.084 R)
• M17: 30,028,930 km (0.116 R)
• M18: 35,200,977 km (0.029 R)
• M19: 43,394,154 km (0.051 R)
• M20: 47,410,557 km (0.078 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 18,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit