🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.47 AU - 0.75 AU

Year: 313 Days

Day: 42.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.64 AU - 0.68 AU

Year: 352 Days

Day: 37.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 13,831,952 km

• M1: 82,578 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.1

Radius: 13.2

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.95 AU - 0.97 AU

Year: 617 Days

Day: 5.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 13,831,952 km

• M1: 164,707 km (0.032 R)
• M2: 614,997 km (0.043 R)
• M3: 1,041,949 km (0.104 R)
• M4: 2,196,246 km (0.112 R)
• M5: 2,607,640 km (0.106 R)
• M6: 4,002,491 km (0.093 R)
• M7: 4,510,525 km (0.118 R)
• M8: 6,712,008 km (0.114 R)
• M9: 7,455,060 km (0.118 R)
• M10: 8,203,947 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.6

Radius: 8.4

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.04 AU - 1.18 AU

Year: 767 Days

Day: 10.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,831,952 km

• M1: 104,419 km (0.096 R)
• M2: 524,041 km (0.105 R)
• M3: 908,957 km (0.095 R)
• M4: 1,193,043 km (0.081 R)
• M5: 1,822,850 km (0.101 R)
• M6: 2,110,527 km (0.105 R)
• M7: 2,850,587 km (0.119 R)
• M8: 3,128,839 km (0.114 R)
• M9: 3,841,524 km (0.11 R)
• M10: 4,195,771 km (0.106 R)
• M11: 4,658,328 km (0.072 R)
• M12: 5,201,219 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614

Radius: 12.4

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.55 AU - 2.13 AU

Year: 1637 Days

Day: 10 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 13,831,952 km

• M1: 154,385 km (0.083 R)
• M2: 615,146 km (0.112 R)
• M3: 1,272,330 km (0.073 R)
• M4: 1,823,149 km (0.086 R)
• M5: 2,380,551 km (0.118 R)
• M6: 3,910,488 km (0.087 R)
• M7: 5,070,321 km (0.03 R)
• M8: 5,563,096 km (0.073 R)
• M9: 7,450,124 km (0.084 R)
• M10: 7,974,913 km (0.025 R)
• M11: 9,099,141 km (0.098 R)
• M12: 9,507,094 km (0.117 R)
• M13: 10,529,446 km (0.106 R)
• M14: 11,370,336 km (0.113 R)
• M15: 12,714,921 km (0.029 R)
• M16: 13,305,384 km (0.06 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 17,613 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit