🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.58 AU - 0.68 AU

Year: 188 Days

Day: 22.7 Hours

Environment

Temp: 136 °C

Axial Tilt: 5.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.62 AU - 0.68 AU

Year: 197 Days

Day: 23.1 Hours

Environment

Temp: 115 °C

Axial Tilt: 12.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.5 AU - 2.24 AU

Year: 963 Days

Day: 19.6 Hours

Environment

Temp: -63 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.1

Radius: 13.8

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.27 AU - 7.74 AU

Year: 6243 Days

Day: 5.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,433,461 km

• M1: 171,888 km (0.078 R)
• M2: 929,601 km (0.105 R)
• M3: 1,864,438 km (0.106 R)
• M4: 2,584,004 km (0.033 R)
• M5: 3,738,301 km (0.068 R)
• M6: 4,734,174 km (0.072 R)
• M7: 8,107,606 km (0.087 R)
• M8: 9,072,812 km (0.105 R)
• M9: 9,984,461 km (0.049 R)
• M10: 11,749,566 km (0.111 R)
• M11: 15,657,063 km (0.069 R)
• M12: 16,423,453 km (0.073 R)
• M13: 23,942,391 km (0.059 R)
• M14: 28,358,371 km (0.109 R)
• M15: 28,880,318 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.6

Radius: 7.7

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 11.56 AU - 15.54 AU

Year: 18790 Days

Day: 18.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,433,461 km

• M1: 99,183 km (0.099 R)
• M2: 429,346 km (0.079 R)
• M3: 688,449 km (0.117 R)
• M4: 1,117,646 km (0.109 R)
• M5: 2,104,244 km (0.047 R)
• M6: 5,451,795 km (0.116 R)
• M7: 5,912,407 km (0.052 R)
• M8: 6,987,118 km (0.086 R)
• M9: 7,294,542 km (0.118 R)
• M10: 13,174,486 km (0.101 R)
• M11: 15,057,624 km (0.051 R)
• M12: 16,163,003 km (0.08 R)
• M13: 24,391,484 km (0.089 R)
• M14: 25,189,439 km (0.086 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: 355 - 18,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit