🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.4

Radius: 11.6

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.77 AU - 0.99 AU

Year: 542 Days

Day: 8.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,553,648 km

• M1: 144,212 km (0.118 R)
• M2: 545,883 km (0.115 R)
• M3: 978,819 km (0.077 R)
• M4: 1,357,152 km (0.041 R)
• M5: 2,000,872 km (0.116 R)
• M6: 2,443,083 km (0.102 R)
• M7: 3,032,947 km (0.072 R)
• M8: 3,447,184 km (0.09 R)
• M9: 4,062,779 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.3

Radius: 14.1

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.67 AU - 1.93 AU

Year: 1584 Days

Day: 6.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,553,648 km

• M1: 175,329 km (0.025 R)
• M2: 749,934 km (0.087 R)
• M3: 1,476,082 km (0.098 R)
• M4: 3,002,579 km (0.114 R)
• M5: 3,607,553 km (0.059 R)
• M6: 4,346,865 km (0.102 R)
• M7: 4,926,856 km (0.112 R)
• M8: 5,904,927 km (0.112 R)
• M9: 6,690,466 km (0.078 R)
• M10: 8,357,734 km (0.088 R)
• M11: 8,814,905 km (0.044 R)
• M12: 9,624,379 km (0.034 R)
• M13: 10,095,164 km (0.055 R)
• M14: 11,461,142 km (0.085 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44.3

Radius: 5.2

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.86 AU - 6.42 AU

Year: 9981 Days

Day: 19.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,553,648 km

• M1: 64,776 km (0.109 R)
• M2: 234,569 km (0.071 R)
• M3: 401,221 km (0.04 R)
• M4: 607,966 km (0.088 R)
• M5: 936,034 km (0.11 R)
• M6: 1,183,319 km (0.097 R)
• M7: 1,630,168 km (0.069 R)
• M8: 3,427,886 km (0.099 R)
• M9: 4,305,427 km (0.083 R)
• M10: 5,570,426 km (0.08 R)
• M11: 6,166,275 km (0.105 R)
• M12: 8,773,466 km (0.061 R)
• M13: 9,906,521 km (0.049 R)
• M14: 12,588,661 km (0.105 R)
• M15: 14,072,073 km (0.029 R)
• M16: 19,043,360 km (0.073 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.3

Radius: 5.2

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.51 AU - 10.51 AU

Year: 19239 Days

Day: 17.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,553,648 km

• M1: 85,121 km (0.035 R)
• M2: 337,044 km (0.086 R)
• M3: 749,037 km (0.119 R)
• M4: 1,550,881 km (0.045 R)
• M5: 1,905,727 km (0.112 R)
• M6: 2,527,905 km (0.043 R)
• M7: 3,502,236 km (0.113 R)
• M8: 5,051,023 km (0.046 R)
• M9: 5,383,429 km (0.101 R)
• M10: 6,538,325 km (0.066 R)
• M11: 7,691,425 km (0.079 R)
• M12: 10,930,069 km (0.081 R)
• M13: 13,724,258 km (0.106 R)
• M14: 14,192,500 km (0.085 R)
• M15: 14,731,950 km (0.112 R)
• M16: 30,526,941 km (0.034 R)
• M17: 31,223,768 km (0.045 R)
• M18: 32,340,068 km (0.101 R)
• M19: 34,759,813 km (0.111 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 15,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit