🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.2

Radius: 14.9

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.54 AU - 0.86 AU

Year: 404 Days

Day: 13.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,966,973 km

• M1: 185,651 km (0.094 R)
• M2: 765,492 km (0.065 R)
• M3: 1,340,397 km (0.101 R)
• M4: 2,130,872 km (0.066 R)
• M5: 2,732,854 km (0.119 R)
• M6: 3,888,797 km (0.119 R)
• M7: 4,367,809 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.9

Radius: 10.2

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.71 AU - 0.73 AU

Year: 422 Days

Day: 7.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,966,973 km

• M1: 126,859 km (0.116 R)
• M2: 579,393 km (0.105 R)
• M3: 1,026,989 km (0.111 R)
• M4: 1,426,864 km (0.069 R)
• M5: 2,120,699 km (0.108 R)
• M6: 2,444,280 km (0.049 R)
• M7: 3,414,571 km (0.044 R)
• M8: 4,088,061 km (0.073 R)
• M9: 4,817,500 km (0.088 R)
• M10: 5,189,700 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.9

Radius: 11

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.36 AU - 1.7 AU

Year: 1306 Days

Day: 6.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,966,973 km

• M1: 137,032 km (0.104 R)
• M2: 615,595 km (0.061 R)
• M3: 1,010,982 km (0.106 R)
• M4: 1,546,692 km (0.045 R)
• M5: 1,929,364 km (0.087 R)
• M6: 2,309,342 km (0.054 R)
• M7: 2,994,351 km (0.115 R)
• M8: 4,431,687 km (0.103 R)
• M9: 5,510,138 km (0.093 R)
• M10: 7,693,071 km (0.101 R)
• M11: 8,206,341 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.1

Radius: 4

Gravity: 52.76 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.46 AU - 9.26 AU

Year: 15211 Days

Day: 20.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 67,966,973 km

• M1: 55,501 km (0.054 R)
• M2: 265,536 km (0.091 R)
• M3: 413,788 km (0.057 R)
• M4: 652,097 km (0.091 R)
• M5: 886,966 km (0.084 R)
• M6: 1,327,980 km (0.117 R)
• M7: 1,524,701 km (0.09 R)
• M8: 1,793,379 km (0.118 R)
• M9: 2,213,300 km (0.114 R)
• M10: 3,298,334 km (0.117 R)
• M11: 3,835,689 km (0.096 R)
• M12: 3,986,334 km (0.049 R)
• M13: 4,299,443 km (0.104 R)
• M14: 5,601,692 km (0.104 R)
• M15: 6,197,541 km (0.115 R)
• M16: 7,374,577 km (0.042 R)
• M17: 8,287,273 km (0.099 R)
• M18: 8,539,346 km (0.105 R)
• M19: 8,848,714 km (0.093 R)
• M20: 10,276,027 km (0.064 R)
• M21: 10,450,010 km (0.088 R)
• M22: 11,165,536 km (0.066 R)
• M23: 11,349,542 km (0.054 R)
• M24: 11,786,367 km (0.088 R)
• M25: 11,977,105 km (0.113 R)
• M26: 17,276,011 km (0.1 R)
• M27: 18,529,940 km (0.077 R)
• M28: 18,960,932 km (0.118 R)
• M29: 19,664,491 km (0.101 R)
• M30: 20,112,985 km (0.059 R)
• M31: 22,167,712 km (0.099 R)
• M32: 22,458,380 km (0.101 R)
• M33: 23,747,016 km (0.032 R)
• M34: 35,347,583 km (0.104 R)
• M35: 37,360,273 km (0.089 R)
• M36: 45,393,230 km (0.113 R)
• M37: 45,861,621 km (0.046 R)
• M38: 59,577,053 km (0.119 R)
• M39: 60,326,538 km (0.078 R)
• M40: 67,763,497 km (0.113 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 13,710 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit