🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.89 AU - 1.21 AU

Year: 380 Days

Day: 25.3 Hours

Environment

Temp: 110 °C

Axial Tilt: 10.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.18 AU - 1.76 AU

Year: 629 Days

Day: 25 Hours

Environment

Temp: 8 °C

Axial Tilt: 37.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.31 AU - 1.91 AU

Year: 721 Days

Day: 29.7 Hours

Environment

Temp: -32 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.3 AU - 2.06 AU

Year: 769 Days

Day: 30.9 Hours

Environment

Temp: -30 °C

Axial Tilt: 97.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 23,986,029 km

• M1: 463,604 km (0.066 R)
• M2: 697,724 km (0.12 R)

Asteroid Belt

Center: 7.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 12.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.7

Radius: 13.7

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 10.88 AU - 15.02 AU

Year: 16455 Days

Day: 7.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 23,986,029 km

• M1: 353,799 km (0.115 R)
• M2: 538,104 km (0.075 R)
• M3: 1,458,280 km (0.105 R)
• M4: 2,111,724 km (0.115 R)
• M5: 2,462,231 km (0.08 R)
• M6: 3,774,803 km (0.088 R)
• M7: 4,705,601 km (0.086 R)
• M8: 4,808,824 km (0.103 R)
• M9: 4,933,588 km (0.075 R)
• M10: 6,560,465 km (0.117 R)
• M11: 6,815,529 km (0.083 R)
• M12: 7,455,659 km (0.106 R)
• M13: 8,364,167 km (0.039 R)
• M14: 9,990,744 km (0.083 R)
• M15: 10,311,482 km (0.105 R)
• M16: 10,853,774 km (0.029 R)
• M17: 12,107,704 km (0.111 R)
• M18: 12,221,398 km (0.115 R)
• M19: 12,363,965 km (0.101 R)
• M20: 12,622,171 km (0.079 R)
• M21: 12,940,066 km (0.109 R)
• M22: 13,939,380 km (0.077 R)
• M23: 14,841,754 km (0.114 R)
• M24: 16,199,355 km (0.059 R)
• M25: 16,639,622 km (0.081 R)
• M26: 17,692,940 km (0.089 R)
• M27: 18,374,658 km (0.095 R)
• M28: 19,263,568 km (0.101 R)
• M29: 20,436,864 km (0.108 R)
• M30: 20,674,276 km (0.117 R)

Kuiper Belt

Range: 31.1 - 51.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 11,608 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit