🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.4

Radius: 11.1

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.55 AU - 0.81 AU

Year: 368 Days

Day: 8.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,554,117 km

• M1: 138,079 km (0.116 R)
• M2: 503,397 km (0.096 R)
• M3: 999,164 km (0.077 R)
• M4: 1,572,872 km (0.05 R)
• M5: 2,106,188 km (0.053 R)
• M6: 2,932,567 km (0.057 R)
• M7: 3,339,473 km (0.075 R)
• M8: 3,796,794 km (0.071 R)
• M9: 4,434,081 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.2

Radius: 9.3

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.85 AU - 1.89 AU

Year: 1678 Days

Day: 9.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,554,117 km

• M1: 115,639 km (0.101 R)
• M2: 442,959 km (0.069 R)
• M3: 761,902 km (0.114 R)
• M4: 1,272,629 km (0.075 R)
• M5: 1,650,663 km (0.085 R)
• M6: 2,056,672 km (0.099 R)
• M7: 2,623,199 km (0.044 R)
• M8: 3,163,995 km (0.076 R)
• M9: 3,690,131 km (0.027 R)
• M10: 4,103,619 km (0.114 R)
• M11: 4,527,879 km (0.118 R)
• M12: 5,787,942 km (0.119 R)
• M13: 6,473,848 km (0.109 R)
• M14: 6,836,623 km (0.115 R)
• M15: 7,212,861 km (0.048 R)
• M16: 7,546,315 km (0.112 R)
• M17: 8,640,025 km (0.062 R)
• M18: 10,108,777 km (0.108 R)
• M19: 10,812,186 km (0.116 R)
• M20: 12,277,497 km (0.108 R)
• M21: 14,344,042 km (0.052 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.3

Radius: 3.2

Gravity: 16.24 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.03 AU - 6.09 AU

Year: 9786 Days

Day: 16.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,554,117 km

• M1: 41,887 km (0.119 R)
• M2: 563,086 km (0.102 R)
• M3: 925,263 km (0.09 R)
• M4: 1,680,582 km (0.054 R)
• M5: 2,633,671 km (0.1 R)
• M6: 4,990,585 km (0.053 R)
• M7: 8,011,864 km (0.086 R)
• M8: 13,794,270 km (0.094 R)
• M9: 14,169,910 km (0.102 R)
• M10: 18,892,865 km (0.11 R)
• M11: 19,489,611 km (0.108 R)
• M12: 21,641,127 km (0.066 R)
• M13: 26,655,498 km (0.049 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.6

Radius: 6.6

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 9.44 AU - 12.02 AU

Year: 23057 Days

Day: 15.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,554,117 km

• M1: 82,129 km (0.119 R)
• M2: 317,447 km (0.116 R)
• M3: 3,903,008 km (0.104 R)
• M4: 4,508,132 km (0.12 R)
• M5: 5,399,137 km (0.107 R)
• M6: 8,327,066 km (0.104 R)
• M7: 13,394,245 km (0.097 R)
• M8: 18,508,398 km (0.076 R)
• M9: 19,036,329 km (0.091 R)
• M10: 35,030,735 km (0.073 R)
• M11: 38,578,299 km (0.031 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: 201 - 20,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit