🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.87 AU - 0.97 AU

Year: 326 Days

Day: 16.7 Hours

Environment

Temp: 42 °C

Axial Tilt: 52.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.92 AU - 2.76 AU

Year: 1321 Days

Day: 31.7 Hours

Environment

Temp: -78 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,405,183 km

• M1: 40,242 km (0.027 R)
• M2: 690,843 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.83 AU - 3.67 AU

Year: 2162 Days

Day: 14.3 Hours

Environment

Temp: -103 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 12.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.7

Radius: 4.7

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 9.97 AU - 14.85 AU

Year: 16130 Days

Day: 24.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 139.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,405,183 km

• M1: 84,972 km (0.08 R)
• M2: 233,223 km (0.096 R)
• M3: 595,549 km (0.108 R)
• M4: 759,359 km (0.065 R)
• M5: 1,042,398 km (0.099 R)
• M6: 3,379,565 km (0.096 R)
• M7: 3,613,836 km (0.082 R)
• M8: 4,167,647 km (0.085 R)
• M9: 4,409,846 km (0.082 R)
• M10: 4,576,498 km (0.075 R)
• M11: 5,041,448 km (0.08 R)
• M12: 8,643,316 km (0.068 R)
• M13: 11,870,142 km (0.075 R)
• M14: 12,356,934 km (0.094 R)
• M15: 18,912,013 km (0.062 R)
• M16: 19,875,573 km (0.109 R)
• M17: 20,716,014 km (0.095 R)
• M18: 21,980,415 km (0.084 R)
• M19: 25,364,768 km (0.095 R)
• M20: 30,162,820 km (0.08 R)
• M21: 35,310,333 km (0.092 R)
• M22: 38,032,416 km (0.108 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 12,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit