🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.93 AU - 1.39 AU

Year: 463 Days

Day: 43.9 Hours

Environment

Temp: 13 °C

Axial Tilt: 0.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.14 AU - 1.58 AU

Year: 588 Days

Day: 45.8 Hours

Environment

Temp: -31 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.48 AU - 2.48 AU

Year: 1448 Days

Day: 19.2 Hours

Environment

Temp: -90 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,999,018 km

• M1: 2,131,770 km (0.068 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.04 AU - 3 AU

Year: 1484 Days

Day: 21.2 Hours

Environment

Temp: -101 °C

Axial Tilt: 47 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 44,999,018 km

• M1: 23,936 km (0.11 R)
• M2: 378,483 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.2

Radius: 14.5

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.38 AU - 8.78 AU

Year: 7739 Days

Day: 6.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,999,018 km

• M1: 181,163 km (0.053 R)
• M2: 761,902 km (0.111 R)
• M3: 1,239,867 km (0.113 R)
• M4: 2,151,816 km (0.059 R)
• M5: 2,798,228 km (0.089 R)
• M6: 3,291,901 km (0.048 R)
• M7: 3,793,652 km (0.089 R)
• M8: 5,261,806 km (0.092 R)
• M9: 6,777,532 km (0.083 R)
• M10: 7,925,396 km (0.106 R)
• M11: 8,656,331 km (0.111 R)
• M12: 10,403,485 km (0.105 R)
• M13: 14,210,601 km (0.032 R)
• M14: 16,631,543 km (0.105 R)
• M15: 17,472,583 km (0.09 R)
• M16: 18,048,983 km (0.026 R)
• M17: 19,088,240 km (0.067 R)
• M18: 28,193,215 km (0.099 R)
• M19: 28,986,831 km (0.093 R)
• M20: 30,618,944 km (0.095 R)
• M21: 41,977,163 km (0.119 R)
• M22: 44,330,038 km (0.101 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 11,460 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit