🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.8

Radius: 13.4

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.49 AU - 0.75 AU

Year: 337 Days

Day: 7.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,034,077 km

• M1: 166,652 km (0.097 R)
• M2: 591,660 km (0.082 R)
• M3: 1,035,217 km (0.081 R)
• M4: 1,453,942 km (0.116 R)
• M5: 2,033,783 km (0.069 R)
• M6: 2,593,877 km (0.05 R)
• M7: 3,184,041 km (0.05 R)
• M8: 3,644,952 km (0.028 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.5

Radius: 11.9

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.61 AU - 0.99 AU

Year: 494 Days

Day: 14.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,034,077 km

• M1: 149,149 km (0.114 R)
• M2: 599,439 km (0.039 R)
• M3: 1,065,586 km (0.038 R)
• M4: 1,741,768 km (0.065 R)
• M5: 2,287,202 km (0.05 R)
• M6: 3,454,514 km (0.114 R)
• M7: 4,545,083 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.6

Radius: 11.1

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.22 AU - 1.34 AU

Year: 1000 Days

Day: 8.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,034,077 km

• M1: 138,976 km (0.098 R)
• M2: 490,382 km (0.036 R)
• M3: 1,381,686 km (0.12 R)
• M4: 1,981,573 km (0.109 R)
• M5: 2,969,069 km (0.093 R)
• M6: 3,393,628 km (0.105 R)
• M7: 3,974,217 km (0.08 R)
• M8: 5,533,476 km (0.104 R)
• M9: 5,984,962 km (0.109 R)
• M10: 7,069,846 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.3

Radius: 13.8

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.73 AU - 3.47 AU

Year: 3768 Days

Day: 9.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,034,077 km

• M1: 171,589 km (0.086 R)
• M2: 655,388 km (0.088 R)
• M3: 1,466,209 km (0.105 R)
• M4: 2,682,439 km (0.116 R)
• M5: 3,337,828 km (0.096 R)
• M6: 4,821,539 km (0.092 R)
• M7: 6,114,813 km (0.091 R)
• M8: 7,426,337 km (0.092 R)
• M9: 9,113,353 km (0.071 R)
• M10: 9,546,887 km (0.093 R)
• M11: 10,419,940 km (0.112 R)
• M12: 11,118,413 km (0.1 R)
• M13: 11,730,717 km (0.064 R)
• M14: 13,445,557 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.5

Radius: 11.2

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.02 AU - 3.92 AU

Year: 4462 Days

Day: 14.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,034,077 km

• M1: 143,165 km (0.096 R)
• M2: 499,806 km (0.112 R)
• M3: 978,370 km (0.094 R)
• M4: 1,736,233 km (0.111 R)
• M5: 2,885,145 km (0.11 R)
• M6: 3,447,184 km (0.09 R)
• M7: 3,827,013 km (0.119 R)
• M8: 4,257,107 km (0.071 R)
• M9: 5,138,388 km (0.118 R)
• M10: 6,340,257 km (0.028 R)
• M11: 7,720,597 km (0.061 R)
• M12: 8,410,392 km (0.085 R)
• M13: 9,140,879 km (0.054 R)
• M14: 11,499,888 km (0.104 R)
• M15: 13,738,021 km (0.047 R)
• M16: 14,340,003 km (0.104 R)
• M17: 17,154,687 km (0.114 R)
• M18: 18,935,949 km (0.081 R)
• M19: 20,576,888 km (0.032 R)
• M20: 22,379,243 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.8

Radius: 14.5

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.68 AU - 5.78 AU

Year: 7101 Days

Day: 14.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 80,034,077 km

• M1: 180,565 km (0.102 R)
• M2: 986,448 km (0.07 R)
• M3: 1,650,663 km (0.117 R)
• M4: 2,820,219 km (0.097 R)
• M5: 3,399,312 km (0.04 R)
• M6: 4,627,511 km (0.066 R)
• M7: 5,997,079 km (0.059 R)
• M8: 6,666,231 km (0.099 R)
• M9: 7,824,268 km (0.107 R)
• M10: 9,067,277 km (0.105 R)
• M11: 9,807,487 km (0.081 R)
• M12: 11,835,286 km (0.068 R)
• M13: 16,436,019 km (0.096 R)
• M14: 17,049,819 km (0.067 R)
• M15: 17,820,697 km (0.086 R)
• M16: 18,468,605 km (0.082 R)
• M17: 21,059,491 km (0.1 R)
• M18: 21,865,524 km (0.119 R)
• M19: 23,028,498 km (0.113 R)
• M20: 25,841,237 km (0.106 R)
• M21: 27,615,617 km (0.077 R)
• M22: 31,510,547 km (0.097 R)
• M23: 32,672,025 km (0.095 R)
• M24: 35,757,481 km (0.113 R)
• M25: 37,958,814 km (0.079 R)
• M26: 39,032,478 km (0.111 R)
• M27: 39,881,446 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.4

Radius: 12.5

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.46 AU - 5.5 AU

Year: 8855 Days

Day: 10 Hours

Environment

Temp: -225 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 80,034,077 km

• M1: 156,031 km (0.119 R)
• M2: 994,377 km (0.089 R)
• M3: 2,420,494 km (0.088 R)
• M4: 3,308,207 km (0.104 R)
• M5: 3,917,669 km (0.099 R)
• M6: 5,723,465 km (0.091 R)
• M7: 6,277,426 km (0.111 R)
• M8: 7,136,716 km (0.041 R)
• M9: 8,157,721 km (0.057 R)
• M10: 11,056,629 km (0.084 R)
• M11: 12,536,152 km (0.107 R)
• M12: 13,653,947 km (0.118 R)
• M13: 16,087,306 km (0.088 R)
• M14: 18,276,222 km (0.079 R)
• M15: 20,102,214 km (0.109 R)
• M16: 21,303,485 km (0.104 R)
• M17: 22,722,121 km (0.116 R)
• M18: 23,673,115 km (0.108 R)
• M19: 25,286,229 km (0.094 R)
• M20: 28,135,919 km (0.103 R)
• M21: 31,298,717 km (0.034 R)
• M22: 35,490,000 km (0.041 R)
• M23: 36,068,047 km (0.098 R)
• M24: 36,534,942 km (0.116 R)
• M25: 37,600,228 km (0.038 R)
• M26: 41,556,045 km (0.069 R)
• M27: 45,237,947 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.2

Radius: 6

Gravity: 22.31 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 8.75 AU - 10.07 AU

Year: 19925 Days

Day: 22.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,034,077 km

• M1: 74,649 km (0.115 R)
• M2: 339,138 km (0.098 R)
• M3: 704,756 km (0.086 R)
• M4: 1,099,096 km (0.108 R)
• M5: 1,369,569 km (0.086 R)
• M6: 1,755,681 km (0.096 R)
• M7: 2,321,011 km (0.093 R)
• M8: 2,769,057 km (0.076 R)
• M9: 3,358,023 km (0.083 R)
• M10: 4,496,912 km (0.084 R)
• M11: 6,431,960 km (0.039 R)
• M12: 7,073,287 km (0.088 R)
• M13: 7,458,501 km (0.107 R)
• M14: 8,010,816 km (0.07 R)
• M15: 8,644,064 km (0.066 R)
• M16: 9,196,679 km (0.103 R)
• M17: 9,772,631 km (0.096 R)
• M18: 10,372,368 km (0.111 R)
• M19: 11,124,098 km (0.099 R)
• M20: 11,711,269 km (0.118 R)
• M21: 13,018,306 km (0.101 R)
• M22: 13,818,056 km (0.082 R)
• M23: 15,837,627 km (0.078 R)
• M24: 19,595,975 km (0.062 R)
• M25: 20,163,549 km (0.112 R)
• M26: 20,644,955 km (0.116 R)
• M27: 32,214,106 km (0.087 R)
• M28: 36,863,907 km (0.041 R)
• M29: 39,797,970 km (0.11 R)
• M30: 43,839,955 km (0.056 R)
• M31: 45,794,451 km (0.045 R)
• M32: 47,297,910 km (0.078 R)
• M33: 54,194,073 km (0.107 R)
• M34: 65,014,935 km (0.107 R)
• M35: 73,277,375 km (0.07 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 17,919 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit