🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.8

Radius: 12

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.92 AU - 1.48 AU

Year: 907 Days

Day: 14.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 39,165,466 km

• M1: 154,086 km (0.094 R)
• M2: 1,109,867 km (0.032 R)
• M3: 1,493,136 km (0.115 R)
• M4: 2,691,565 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841

Radius: 14.5

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.31 AU - 1.31 AU

Year: 1035 Days

Day: 13.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,165,466 km

• M1: 180,415 km (0.103 R)
• M2: 776,862 km (0.08 R)
• M3: 1,249,890 km (0.088 R)
• M4: 1,923,679 km (0.069 R)
• M5: 3,071,693 km (0.105 R)
• M6: 4,065,023 km (0.101 R)
• M7: 6,119,151 km (0.058 R)
• M8: 6,779,327 km (0.075 R)
• M9: 7,461,343 km (0.116 R)
• M10: 8,215,765 km (0.093 R)
• M11: 10,627,134 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.9

Radius: 8.8

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.06 AU - 1.72 AU

Year: 1131 Days

Day: 5.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,165,466 km

• M1: 109,506 km (0.06 R)
• M2: 474,824 km (0.107 R)
• M3: 859,141 km (0.119 R)
• M4: 1,230,442 km (0.045 R)
• M5: 1,809,985 km (0.087 R)
• M6: 2,505,914 km (0.096 R)
• M7: 2,790,150 km (0.112 R)
• M8: 3,224,433 km (0.109 R)
• M9: 4,941,367 km (0.066 R)
• M10: 5,335,857 km (0.078 R)
• M11: 6,127,379 km (0.053 R)
• M12: 6,519,625 km (0.107 R)
• M13: 6,928,775 km (0.118 R)
• M14: 7,469,870 km (0.087 R)
• M15: 7,869,895 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.3

Radius: 9.5

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.07 AU - 1.77 AU

Year: 1168 Days

Day: 6.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,165,466 km

• M1: 118,930 km (0.047 R)
• M2: 581,936 km (0.083 R)
• M3: 1,056,460 km (0.077 R)
• M4: 1,567,187 km (0.065 R)
• M5: 2,151,068 km (0.07 R)
• M6: 2,624,545 km (0.04 R)
• M7: 3,812,352 km (0.118 R)
• M8: 4,284,483 km (0.061 R)
• M9: 4,999,262 km (0.11 R)
• M10: 5,405,270 km (0.115 R)
• M11: 5,708,655 km (0.054 R)
• M12: 6,087,736 km (0.064 R)
• M13: 6,710,960 km (0.099 R)
• M14: 7,014,495 km (0.038 R)
• M15: 8,189,436 km (0.118 R)
• M16: 8,536,503 km (0.09 R)
• M17: 9,288,681 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.4

Radius: 14.8

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.77 AU - 3.19 AU

Year: 3551 Days

Day: 12 Hours

Environment

Temp: -208 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,165,466 km

• M1: 184,604 km (0.088 R)
• M2: 660,774 km (0.062 R)
• M3: 1,181,374 km (0.102 R)
• M4: 1,644,679 km (0.042 R)
• M5: 2,182,035 km (0.084 R)
• M6: 3,171,026 km (0.056 R)
• M7: 3,806,667 km (0.054 R)
• M8: 4,338,488 km (0.104 R)
• M9: 6,031,038 km (0.101 R)
• M10: 6,536,529 km (0.117 R)
• M11: 7,879,021 km (0.048 R)
• M12: 9,468,797 km (0.093 R)
• M13: 10,191,056 km (0.028 R)
• M14: 12,881,723 km (0.055 R)
• M15: 13,365,074 km (0.105 R)
• M16: 14,650,119 km (0.101 R)
• M17: 16,626,906 km (0.117 R)
• M18: 17,200,464 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.4

Radius: 14.6

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.38 AU - 5.62 AU

Year: 8903 Days

Day: 12.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,165,466 km

• M1: 181,612 km (0.044 R)
• M2: 649,704 km (0.112 R)
• M3: 1,507,498 km (0.034 R)
• M4: 2,320,712 km (0.057 R)
• M5: 2,809,897 km (0.11 R)
• M6: 4,547,027 km (0.115 R)
• M7: 5,475,432 km (0.073 R)
• M8: 5,985,411 km (0.104 R)
• M9: 6,702,882 km (0.109 R)
• M10: 7,287,660 km (0.077 R)
• M11: 8,352,049 km (0.071 R)
• M12: 13,553,118 km (0.049 R)
• M13: 15,472,010 km (0.057 R)
• M14: 16,892,442 km (0.11 R)
• M15: 17,703,113 km (0.094 R)
• M16: 21,053,058 km (0.117 R)
• M17: 22,311,326 km (0.113 R)
• M18: 24,292,001 km (0.076 R)
• M19: 25,150,843 km (0.101 R)
• M20: 26,747,950 km (0.036 R)
• M21: 32,149,330 km (0.094 R)
• M22: 34,671,999 km (0.113 R)
• M23: 35,871,325 km (0.087 R)
• M24: 38,122,325 km (0.032 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 13,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit