🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.91 AU - 1.27 AU

Year: 404 Days

Day: 14.4 Hours

Environment

Temp: 37 °C

Axial Tilt: 27.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 25,797,424 km

• M1: 331,658 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.22 AU - 2.42 AU

Year: 1254 Days

Day: 34.1 Hours

Environment

Temp: -77 °C

Axial Tilt: 15.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,797,424 km

• M1: 854,204 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.39 AU - 2.59 AU

Year: 1394 Days

Day: 24.6 Hours

Environment

Temp: -78 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 25,797,424 km

• M1: 65,524 km (0.12 R)
• M2: 85,420 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.91 AU - 3.21 AU

Year: 1899 Days

Day: 32.4 Hours

Environment

Temp: -101 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,797,424 km

• M1: 155,283 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.1

Radius: 9.6

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 7.01 AU - 9.01 AU

Year: 8042 Days

Day: 10.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,797,424 km

• M1: 119,379 km (0.074 R)
• M2: 483,351 km (0.1 R)
• M3: 1,539,512 km (0.089 R)
• M4: 1,863,391 km (0.09 R)
• M5: 2,490,655 km (0.095 R)
• M6: 2,906,238 km (0.113 R)
• M7: 3,899,119 km (0.086 R)
• M8: 5,473,936 km (0.053 R)
• M9: 7,636,822 km (0.12 R)
• M10: 11,214,455 km (0.079 R)
• M11: 19,533,443 km (0.087 R)
• M12: 23,846,200 km (0.119 R)
• M13: 25,490,580 km (0.08 R)

Kuiper Belt

Range: 30.9 - 45.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 13,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit