🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.68 AU - 0.86 AU

Year: 247 Days

Day: 21.3 Hours

Environment

Temp: 98 °C

Axial Tilt: 36 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.81 AU - 1.35 AU

Year: 410 Days

Day: 20.8 Hours

Environment

Temp: 19 °C

Axial Tilt: 38.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 75,785,158 km

• M1: 225,294 km (0.057 R)
• M2: 358,287 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.8

Radius: 10.7

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.55 AU - 6.49 AU

Year: 4737 Days

Day: 10.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,785,158 km

• M1: 133,441 km (0.088 R)
• M2: 472,879 km (0.119 R)
• M3: 1,009,337 km (0.092 R)
• M4: 2,465,822 km (0.058 R)
• M5: 3,237,896 km (0.084 R)
• M6: 4,401,020 km (0.108 R)
• M7: 4,972,484 km (0.099 R)
• M8: 5,498,320 km (0.101 R)
• M9: 6,534,136 km (0.113 R)
• M10: 7,766,224 km (0.038 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828.5

Radius: 6.5

Gravity: 19.61 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 11.2 AU - 15.76 AU

Year: 18077 Days

Day: 17.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,785,158 km

• M1: 88,263 km (0.119 R)
• M2: 695,630 km (0.106 R)
• M3: 1,889,272 km (0.105 R)
• M4: 5,729,748 km (0.117 R)
• M5: 6,933,562 km (0.027 R)
• M6: 7,497,696 km (0.11 R)
• M7: 8,092,198 km (0.113 R)
• M8: 10,725,419 km (0.085 R)
• M9: 13,092,806 km (0.089 R)
• M10: 16,679,415 km (0.118 R)
• M11: 19,010,449 km (0.072 R)
• M12: 28,573,492 km (0.035 R)
• M13: 31,384,137 km (0.117 R)
• M14: 31,890,975 km (0.077 R)
• M15: 43,996,435 km (0.092 R)
• M16: 62,359,573 km (0.113 R)
• M17: 62,759,149 km (0.081 R)
• M18: 64,374,806 km (0.104 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: 352 - 19,991 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit