🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.4

Radius: 9.2

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.52 AU - 0.66 AU

Year: 319 Days

Day: 8.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,397,440 km

• M1: 114,442 km (0.089 R)
• M2: 405,560 km (0.046 R)
• M3: 774,917 km (0.105 R)
• M4: 1,143,377 km (0.109 R)
• M5: 1,433,297 km (0.098 R)
• M6: 1,732,792 km (0.077 R)
• M7: 2,097,362 km (0.091 R)
• M8: 2,427,225 km (0.081 R)
• M9: 2,773,096 km (0.114 R)
• M10: 3,101,463 km (0.076 R)
• M11: 3,423,547 km (0.108 R)
• M12: 3,790,810 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.9

Radius: 9.6

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.4 AU - 1.6 AU

Year: 1291 Days

Day: 12.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,397,440 km

• M1: 119,379 km (0.112 R)
• M2: 639,381 km (0.108 R)
• M3: 1,063,042 km (0.089 R)
• M4: 1,384,678 km (0.072 R)
• M5: 1,750,145 km (0.045 R)
• M6: 2,086,741 km (0.114 R)
• M7: 2,495,143 km (0.084 R)
• M8: 3,219,047 km (0.026 R)
• M9: 4,531,020 km (0.108 R)
• M10: 5,095,453 km (0.083 R)
• M11: 5,557,112 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.6

Radius: 14.7

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.83 AU - 2.05 AU

Year: 1899 Days

Day: 8.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,397,440 km

• M1: 182,809 km (0.115 R)
• M2: 756,516 km (0.102 R)
• M3: 1,272,479 km (0.114 R)
• M4: 1,766,452 km (0.076 R)
• M5: 2,954,259 km (0.057 R)
• M6: 3,747,576 km (0.026 R)
• M7: 4,370,352 km (0.117 R)
• M8: 5,978,230 km (0.036 R)
• M9: 7,454,611 km (0.036 R)
• M10: 9,643,079 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995

Radius: 14.7

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.32 AU - 5.5 AU

Year: 7648 Days

Day: 10 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,397,440 km

• M1: 194,627 km (0.071 R)
• M2: 1,331,870 km (0.095 R)
• M3: 3,186,435 km (0.108 R)
• M4: 5,090,068 km (0.088 R)
• M5: 7,029,155 km (0.059 R)
• M6: 7,870,793 km (0.082 R)
• M7: 8,600,382 km (0.037 R)
• M8: 9,142,375 km (0.107 R)
• M9: 11,650,832 km (0.107 R)
• M10: 14,026,745 km (0.058 R)
• M11: 15,558,927 km (0.08 R)
• M12: 16,571,555 km (0.094 R)
• M13: 19,874,676 km (0.036 R)
• M14: 22,730,349 km (0.104 R)
• M15: 26,317,257 km (0.063 R)
• M16: 27,950,268 km (0.069 R)
• M17: 29,854,200 km (0.028 R)
• M18: 39,317,163 km (0.077 R)
• M19: 42,738,466 km (0.107 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 17,864 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit