🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.79 AU - 0.99 AU

Year: 304 Days

Day: 17.8 Hours

Environment

Temp: 154 °C

Axial Tilt: 0.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 34,391,179 km

• M1: 126,111 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.08 AU - 1.44 AU

Year: 512 Days

Day: 26.9 Hours

Environment

Temp: 13 °C

Axial Tilt: 21.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.23 AU - 2.57 AU

Year: 1345 Days

Day: 12.5 Hours

Environment

Temp: -87 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.5

Radius: 11.8

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.6 AU - 9.9 AU

Year: 8570 Days

Day: 9 Hours

Environment

Temp: -168 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,391,179 km

• M1: 146,905 km (0.109 R)
• M2: 547,379 km (0.089 R)
• M3: 939,475 km (0.076 R)
• M4: 1,798,316 km (0.116 R)
• M5: 3,083,811 km (0.082 R)
• M6: 3,981,398 km (0.034 R)
• M7: 4,689,295 km (0.071 R)
• M8: 5,331,967 km (0.113 R)
• M9: 5,937,839 km (0.061 R)
• M10: 6,622,997 km (0.06 R)
• M11: 9,594,609 km (0.079 R)
• M12: 10,725,419 km (0.102 R)
• M13: 11,396,366 km (0.105 R)
• M14: 12,351,548 km (0.104 R)
• M15: 12,928,398 km (0.104 R)
• M16: 16,397,572 km (0.066 R)
• M17: 19,586,101 km (0.099 R)
• M18: 22,619,198 km (0.106 R)
• M19: 25,952,388 km (0.098 R)
• M20: 26,899,492 km (0.119 R)
• M21: 29,322,080 km (0.106 R)
• M22: 30,066,928 km (0.057 R)
• M23: 32,674,269 km (0.081 R)
• M24: 33,677,024 km (0.05 R)

Kuiper Belt

Range: 30.3 - 53.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 19,738 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit