🌌 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: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.4 AU - 0.62 AU

Year: 134 Days

Day: 44.4 Hours

Environment

Temp: 198 °C

Axial Tilt: 42.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.7 AU - 0.96 AU

Year: 279 Days

Day: 19.8 Hours

Environment

Temp: 107 °C

Axial Tilt: 10.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.36 AU - 1.42 AU

Year: 605 Days

Day: 17.9 Hours

Environment

Temp: -28 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,775,499 km

• M1: 55,052 km (0.092 R)

Asteroid Belt

Center: 6.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.3

Radius: 12.3

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 8.35 AU - 13.71 AU

Year: 13516 Days

Day: 6.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 47,775,499 km

• M1: 153,039 km (0.119 R)
• M2: 653,144 km (0.105 R)
• M3: 1,425,967 km (0.08 R)
• M4: 2,142,690 km (0.076 R)
• M5: 2,644,292 km (0.087 R)
• M6: 4,154,632 km (0.071 R)
• M7: 4,941,218 km (0.098 R)
• M8: 6,433,008 km (0.061 R)
• M9: 7,568,755 km (0.102 R)
• M10: 10,133,909 km (0.064 R)
• M11: 10,962,382 km (0.051 R)
• M12: 11,668,335 km (0.048 R)
• M13: 13,231,333 km (0.089 R)
• M14: 13,720,219 km (0.073 R)
• M15: 14,348,231 km (0.068 R)
• M16: 17,487,243 km (0.105 R)
• M17: 18,985,167 km (0.083 R)
• M18: 20,404,850 km (0.097 R)
• M19: 20,893,437 km (0.069 R)
• M20: 22,839,406 km (0.079 R)
• M21: 24,627,250 km (0.094 R)
• M22: 27,977,794 km (0.111 R)
• M23: 29,090,652 km (0.116 R)
• M24: 31,081,950 km (0.104 R)
• M25: 31,512,492 km (0.062 R)
• M26: 35,451,554 km (0.117 R)
• M27: 39,960,434 km (0.05 R)
• M28: 43,751,393 km (0.11 R)
• M29: 46,221,105 km (0.059 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 10,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit