🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.5 AU - 0.58 AU

Year: 149 Days

Day: 16.6 Hours

Environment

Temp: 155 °C

Axial Tilt: 95.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.07 AU - 1.59 AU

Year: 575 Days

Day: 21.8 Hours

Environment

Temp: -39 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.31 AU - 1.61 AU

Year: 661 Days

Day: 17.1 Hours

Environment

Temp: -50 °C

Axial Tilt: 41.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.7

Radius: 12.1

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.12 AU - 6.42 AU

Year: 4534 Days

Day: 10.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,225,476 km

• M1: 153,637 km (0.054 R)
• M2: 568,472 km (0.115 R)
• M3: 972,835 km (0.101 R)
• M4: 1,510,789 km (0.049 R)
• M5: 1,935,796 km (0.107 R)
• M6: 2,425,580 km (0.119 R)
• M7: 2,961,439 km (0.099 R)
• M8: 3,474,261 km (0.112 R)
• M9: 3,935,471 km (0.093 R)
• M10: 4,679,721 km (0.094 R)
• M11: 6,697,347 km (0.12 R)
• M12: 7,415,716 km (0.103 R)
• M13: 9,840,847 km (0.115 R)
• M14: 10,510,896 km (0.076 R)
• M15: 12,271,813 km (0.07 R)
• M16: 13,197,674 km (0.111 R)
• M17: 17,251,776 km (0.08 R)
• M18: 17,673,792 km (0.117 R)
• M19: 20,285,471 km (0.102 R)
• M20: 22,069,276 km (0.1 R)
• M21: 24,104,705 km (0.048 R)
• M22: 24,937,666 km (0.105 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 17,824 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit