🌌 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: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.42 AU - 0.62 AU

Year: 136 Days

Day: 44.6 Hours

Environment

Temp: 222 °C

Axial Tilt: 22.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.49 AU - 0.69 AU

Year: 165 Days

Day: 42.9 Hours

Environment

Temp: 235 °C

Axial Tilt: 24.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.51 AU - 0.85 AU

Year: 204 Days

Day: 43.4 Hours

Environment

Temp: 200 °C

Axial Tilt: 41.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.47 AU - 1.67 AU

Year: 715 Days

Day: 14.5 Hours

Environment

Temp: -45 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.71 AU - 2.27 AU

Year: 1020 Days

Day: 46.7 Hours

Environment

Temp: -58 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,345,645 km

• M1: 121,174 km (0.058 R)

Asteroid Belt

Center: 6.24 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.6

Radius: 8.7

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.72 AU - 11.26 AU

Year: 12348 Days

Day: 14.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,345,645 km

• M1: 109,356 km (0.113 R)
• M2: 425,008 km (0.101 R)
• M3: 712,535 km (0.077 R)
• M4: 1,067,830 km (0.12 R)
• M5: 1,802,056 km (0.101 R)
• M6: 2,376,512 km (0.034 R)
• M7: 2,685,282 km (0.114 R)
• M8: 3,091,590 km (0.093 R)
• M9: 3,512,408 km (0.092 R)
• M10: 3,915,275 km (0.053 R)
• M11: 5,175,338 km (0.11 R)
• M12: 5,733,937 km (0.08 R)
• M13: 10,123,886 km (0.096 R)
• M14: 10,664,234 km (0.112 R)
• M15: 12,831,907 km (0.064 R)
• M16: 14,184,870 km (0.088 R)
• M17: 16,206,237 km (0.097 R)
• M18: 17,171,891 km (0.103 R)
• M19: 32,614,430 km (0.075 R)
• M20: 33,082,073 km (0.111 R)
• M21: 43,402,082 km (0.063 R)
• M22: 46,280,944 km (0.045 R)
• M23: 46,723,604 km (0.093 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 12,847 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit