🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.47 AU - 0.55 AU

Year: 135 Days

Day: 29.6 Hours

Environment

Temp: 218 °C

Axial Tilt: 36.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.79 AU - 1.11 AU

Year: 343 Days

Day: 14.9 Hours

Environment

Temp: 39 °C

Axial Tilt: 49.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 34,861,537 km

• M1: 94,845 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.84 AU - 1.22 AU

Year: 388 Days

Day: 21.4 Hours

Environment

Temp: 10 °C

Axial Tilt: 35.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.73 AU - 2.21 AU

Year: 1025 Days

Day: 14 Hours

Environment

Temp: -78 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.02 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861

Radius: 12.1

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.92 AU - 7.2 AU

Year: 5532 Days

Day: 13.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,861,537 km

• M1: 150,645 km (0.044 R)
• M2: 561,890 km (0.089 R)
• M3: 979,716 km (0.06 R)
• M4: 1,432,250 km (0.093 R)
• M5: 1,824,496 km (0.069 R)
• M6: 5,376,847 km (0.119 R)
• M7: 6,578,716 km (0.074 R)
• M8: 6,958,096 km (0.085 R)
• M9: 7,536,142 km (0.094 R)
• M10: 8,788,576 km (0.068 R)
• M11: 10,039,364 km (0.12 R)
• M12: 10,778,377 km (0.093 R)
• M13: 11,602,960 km (0.113 R)
• M14: 12,313,251 km (0.037 R)
• M15: 13,106,269 km (0.119 R)
• M16: 13,487,894 km (0.054 R)
• M17: 17,856,002 km (0.115 R)
• M18: 19,289,000 km (0.045 R)
• M19: 21,693,935 km (0.086 R)
• M20: 25,539,348 km (0.073 R)
• M21: 29,073,000 km (0.118 R)
• M22: 32,720,345 km (0.058 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 15,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit