🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.44 AU - 0.68 AU

Year: 148 Days

Day: 25.1 Hours

Environment

Temp: 231 °C

Axial Tilt: 20 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.52 AU - 0.72 AU

Year: 172 Days

Day: 33.9 Hours

Environment

Temp: 207 °C

Axial Tilt: 29.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.8 AU - 0.98 AU

Year: 296 Days

Day: 39.4 Hours

Environment

Temp: 98 °C

Axial Tilt: 14.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.08 AU - 1.58 AU

Year: 542 Days

Day: 19.6 Hours

Environment

Temp: 17 °C

Axial Tilt: 28.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 9.65 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 17.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 340.7

Radius: 5.8

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 13.94 AU - 22 AU

Year: 26898 Days

Day: 18.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,452,676 km

• M1: 72,256 km (0.084 R)
• M2: 256,710 km (0.118 R)
• M3: 742,005 km (0.111 R)
• M4: 1,391,859 km (0.053 R)
• M5: 2,113,369 km (0.1 R)
• M6: 2,431,863 km (0.039 R)
• M7: 3,524,376 km (0.053 R)
• M8: 4,663,564 km (0.064 R)
• M9: 4,874,946 km (0.064 R)
• M10: 5,129,561 km (0.11 R)
• M11: 5,825,341 km (0.115 R)
• M12: 7,308,305 km (0.116 R)
• M13: 12,016,449 km (0.061 R)
• M14: 15,066,450 km (0.118 R)
• M15: 15,374,024 km (0.06 R)
• M16: 16,810,163 km (0.092 R)
• M17: 18,073,368 km (0.098 R)
• M18: 19,039,171 km (0.07 R)
• M19: 20,317,485 km (0.074 R)
• M20: 32,924,397 km (0.103 R)
• M21: 47,895,254 km (0.065 R)
• M22: 57,399,207 km (0.105 R)
• M23: 58,526,876 km (0.084 R)
• M24: 61,606,198 km (0.106 R)
• M25: 62,788,321 km (0.056 R)
• M26: 66,631,191 km (0.056 R)

Kuiper Belt

Range: 31.1 - 54.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 17,947 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit