🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.53 AU - 0.55 AU

Year: 252 Days

Day: 21.6 Hours

Environment

Temp: -126 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.6

Radius: 14.9

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.6 AU - 0.88 AU

Year: 405 Days

Day: 5.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 4,911,244 km

• M1: 195,973 km (0.094 R)
• M2: 296,952 km (0.081 R)
• M3: 394,938 km (0.054 R)
• M4: 492,925 km (0.077 R)
• M5: 698,772 km (0.103 R)
• M6: 806,333 km (0.069 R)
• M7: 953,537 km (0.069 R)
• M8: 1,110,914 km (0.069 R)
• M9: 1,246,749 km (0.068 R)
• M10: 1,340,547 km (0.085 R)
• M11: 1,526,197 km (0.051 R)
• M12: 1,627,475 km (0.104 R)
• M13: 1,752,240 km (0.105 R)
• M14: 1,869,525 km (0.088 R)
• M15: 1,971,251 km (0.115 R)
• M16: 2,135,210 km (0.091 R)
• M17: 2,350,631 km (0.08 R)
• M18: 2,505,016 km (0.083 R)
• M19: 2,699,793 km (0.114 R)
• M20: 2,861,957 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.9

Radius: 8.3

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.21 AU - 1.83 AU

Year: 1192 Days

Day: 7.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 4,911,244 km

• M1: 121,025 km (0.038 R)
• M2: 175,628 km (0.082 R)
• M3: 266,883 km (0.108 R)
• M4: 323,431 km (0.095 R)
• M5: 388,206 km (0.114 R)
• M6: 485,744 km (0.109 R)
• M7: 704,157 km (0.105 R)
• M8: 792,869 km (0.107 R)
• M9: 941,120 km (0.054 R)
• M10: 1,064,838 km (0.101 R)
• M11: 1,159,084 km (0.052 R)
• M12: 1,310,477 km (0.11 R)
• M13: 1,732,194 km (0.084 R)
• M14: 1,859,502 km (0.101 R)
• M15: 1,911,262 km (0.104 R)
• M16: 2,011,194 km (0.094 R)
• M17: 2,371,425 km (0.108 R)
• M18: 2,617,065 km (0.114 R)
• M19: 2,740,035 km (0.1 R)
• M20: 3,415,319 km (0.115 R)
• M21: 3,569,405 km (0.092 R)
• M22: 3,647,346 km (0.118 R)
• M23: 3,725,735 km (0.083 R)
• M24: 3,824,619 km (0.106 R)
• M25: 3,991,421 km (0.103 R)
• M26: 4,065,472 km (0.093 R)
• M27: 4,187,843 km (0.032 R)
• M28: 4,387,556 km (0.095 R)
• M29: 4,611,504 km (0.058 R)
• M30: 4,739,261 km (0.115 R)
• M31: 4,868,064 km (0.108 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 20,287 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit