🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.43 AU - 0.65 AU

Year: 146 Days

Day: 33.8 Hours

Environment

Temp: 166 °C

Axial Tilt: 49.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.5 AU - 0.78 AU

Year: 188 Days

Day: 19.9 Hours

Environment

Temp: 152 °C

Axial Tilt: 28.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 19,735,517 km

• M1: 32,463 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.13 AU - 1.33 AU

Year: 501 Days

Day: 43.5 Hours

Environment

Temp: -5 °C

Axial Tilt: 0.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.89 AU - 2.91 AU

Year: 1365 Days

Day: 35.4 Hours

Environment

Temp: -95 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,735,517 km

• M1: 95,743 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.6

Radius: 10.9

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.12 AU - 6.84 AU

Year: 4709 Days

Day: 12.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 102.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,735,517 km

• M1: 135,536 km (0.083 R)
• M2: 565,779 km (0.093 R)
• M3: 1,526,347 km (0.086 R)
• M4: 1,897,948 km (0.11 R)
• M5: 2,720,288 km (0.112 R)
• M6: 3,504,330 km (0.119 R)
• M7: 5,346,179 km (0.097 R)
• M8: 5,796,170 km (0.113 R)
• M9: 6,916,059 km (0.069 R)
• M10: 7,451,171 km (0.114 R)
• M11: 7,823,071 km (0.039 R)
• M12: 9,329,821 km (0.109 R)
• M13: 11,505,423 km (0.086 R)
• M14: 18,190,353 km (0.109 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 19,389 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit