🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.54 AU - 0.64 AU

Year: 165 Days

Day: 43.3 Hours

Environment

Temp: 193 °C

Axial Tilt: 42.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 40,753,409 km

• M1: 18,700 km (0.089 R)
• M2: 201,060 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.98 AU - 3.94 AU

Year: 2339 Days

Day: 22.1 Hours

Environment

Temp: -102 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,753,409 km

• M1: 1,175,390 km (0.076 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.66 AU - 4.34 AU

Year: 2380 Days

Day: 31.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,753,409 km

• M1: 2,879,011 km (0.103 R)

Asteroid Belt

Center: 5.34 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.7

Radius: 9

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.2 AU - 8.14 AU

Year: 6978 Days

Day: 11.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,753,409 km

• M1: 111,899 km (0.064 R)
• M2: 441,912 km (0.081 R)
• M3: 739,313 km (0.039 R)
• M4: 1,198,279 km (0.058 R)
• M5: 2,560,068 km (0.077 R)
• M6: 2,912,970 km (0.11 R)
• M7: 3,231,763 km (0.098 R)
• M8: 3,965,540 km (0.12 R)
• M9: 4,251,123 km (0.058 R)
• M10: 6,335,320 km (0.043 R)
• M11: 7,022,274 km (0.107 R)
• M12: 7,959,804 km (0.092 R)
• M13: 8,290,265 km (0.075 R)
• M14: 8,934,434 km (0.107 R)
• M15: 11,376,469 km (0.086 R)
• M16: 11,690,326 km (0.051 R)
• M17: 13,289,676 km (0.063 R)
• M18: 14,843,101 km (0.116 R)
• M19: 19,398,356 km (0.049 R)
• M20: 21,076,844 km (0.061 R)
• M21: 26,415,693 km (0.119 R)
• M22: 28,474,160 km (0.09 R)
• M23: 30,940,580 km (0.112 R)
• M24: 33,439,014 km (0.098 R)
• M25: 36,068,944 km (0.114 R)

Kuiper Belt

Range: 30.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 20,057 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit