🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.3

Radius: 13.3

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.22 AU - 1.9 AU

Year: 1258 Days

Day: 13.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,542,932 km

• M1: 169,345 km (0.08 R)
• M2: 604,525 km (0.063 R)
• M3: 1,371,812 km (0.083 R)
• M4: 1,794,726 km (0.104 R)
• M5: 2,680,046 km (0.119 R)
• M6: 3,340,371 km (0.083 R)
• M7: 5,067,029 km (0.078 R)
• M8: 6,401,293 km (0.056 R)
• M9: 8,854,100 km (0.114 R)
• M10: 9,723,413 km (0.105 R)
• M11: 10,290,987 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.7

Radius: 10.6

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.33 AU - 2.01 AU

Year: 1393 Days

Day: 5.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,542,932 km

• M1: 171,439 km (0.052 R)
• M2: 605,572 km (0.1 R)
• M3: 977,472 km (0.032 R)
• M4: 1,721,722 km (0.069 R)
• M5: 2,059,963 km (0.041 R)
• M6: 2,478,089 km (0.057 R)
• M7: 3,006,169 km (0.082 R)
• M8: 3,413,524 km (0.091 R)
• M9: 5,693,396 km (0.12 R)
• M10: 7,040,973 km (0.115 R)
• M11: 8,209,931 km (0.093 R)
• M12: 8,953,881 km (0.083 R)
• M13: 10,324,198 km (0.117 R)
• M14: 10,896,709 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.6

Radius: 14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.12 AU - 3.14 AU

Year: 2754 Days

Day: 7.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,542,932 km

• M1: 177,872 km (0.106 R)
• M2: 921,822 km (0.085 R)
• M3: 1,373,458 km (0.065 R)
• M4: 2,522,968 km (0.047 R)
• M5: 3,227,724 km (0.073 R)
• M6: 4,951,839 km (0.067 R)
• M7: 5,390,310 km (0.077 R)
• M8: 5,969,404 km (0.083 R)
• M9: 7,148,235 km (0.096 R)
• M10: 7,793,301 km (0.086 R)
• M11: 10,261,666 km (0.083 R)
• M12: 11,083,856 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.5

Radius: 13.7

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.49 AU - 3.11 AU

Year: 3025 Days

Day: 14 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,542,932 km

• M1: 170,392 km (0.106 R)
• M2: 657,333 km (0.063 R)
• M3: 1,182,870 km (0.115 R)
• M4: 1,714,242 km (0.065 R)
• M5: 2,219,733 km (0.073 R)
• M6: 3,276,193 km (0.036 R)
• M7: 4,023,435 km (0.055 R)
• M8: 4,930,297 km (0.048 R)
• M9: 6,024,755 km (0.072 R)
• M10: 9,658,039 km (0.099 R)
• M11: 11,757,944 km (0.111 R)
• M12: 13,317,352 km (0.106 R)
• M13: 14,958,889 km (0.108 R)
• M14: 16,234,959 km (0.104 R)
• M15: 18,342,644 km (0.042 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.1

Radius: 5.9

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.71 AU - 7.37 AU

Year: 9585 Days

Day: 19.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,542,932 km

• M1: 73,453 km (0.093 R)
• M2: 288,873 km (0.112 R)
• M3: 585,975 km (0.086 R)
• M4: 2,833,234 km (0.102 R)
• M5: 3,253,454 km (0.086 R)
• M6: 4,152,687 km (0.101 R)
• M7: 4,648,006 km (0.114 R)
• M8: 6,815,081 km (0.073 R)
• M9: 8,202,451 km (0.116 R)
• M10: 11,394,720 km (0.109 R)
• M11: 11,871,788 km (0.063 R)
• M12: 16,179,459 km (0.071 R)
• M13: 19,403,442 km (0.094 R)
• M14: 21,100,780 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.2

Radius: 8

Gravity: 10.66 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.24 AU - 8.66 AU

Year: 11830 Days

Day: 15.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,542,932 km

• M1: 99,483 km (0.029 R)
• M2: 400,922 km (0.03 R)
• M3: 1,867,131 km (0.079 R)
• M4: 2,551,691 km (0.1 R)
• M5: 2,806,606 km (0.094 R)
• M6: 3,864,263 km (0.088 R)
• M7: 4,468,339 km (0.034 R)
• M8: 5,200,321 km (0.102 R)
• M9: 5,755,030 km (0.114 R)
• M10: 7,147,188 km (0.093 R)
• M11: 7,657,466 km (0.034 R)
• M12: 8,421,762 km (0.058 R)
• M13: 12,713,725 km (0.045 R)
• M14: 13,783,499 km (0.045 R)
• M15: 15,049,097 km (0.047 R)
• M16: 15,816,085 km (0.118 R)
• M17: 16,682,407 km (0.087 R)
• M18: 19,146,732 km (0.104 R)
• M19: 20,130,338 km (0.042 R)
• M20: 22,917,646 km (0.091 R)
• M21: 23,283,113 km (0.083 R)
• M22: 23,745,520 km (0.094 R)
• M23: 24,593,441 km (0.086 R)
• M24: 27,054,177 km (0.107 R)
• M25: 29,674,383 km (0.079 R)
• M26: 29,999,759 km (0.101 R)
• M27: 32,920,507 km (0.034 R)
• M28: 37,144,104 km (0.118 R)
• M29: 46,065,373 km (0.052 R)
• M30: 49,481,740 km (0.07 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 18,188 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit