🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.93 AU - 1.13 AU

Year: 366 Days

Day: 21 Hours

Environment

Temp: 104 °C

Axial Tilt: 11.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,496,118 km

• M1: 737,966 km (0.097 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.95 AU - 1.27 AU

Year: 409 Days

Day: 25.5 Hours

Environment

Temp: 27 °C

Axial Tilt: 14.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.5

Radius: 10.4

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.62 AU - 10 AU

Year: 8381 Days

Day: 8.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,496,118 km

• M1: 129,402 km (0.081 R)
• M2: 560,394 km (0.117 R)
• M3: 980,016 km (0.063 R)
• M4: 1,412,653 km (0.1 R)
• M5: 2,456,846 km (0.118 R)
• M6: 4,953,485 km (0.106 R)
• M7: 5,951,751 km (0.041 R)
• M8: 8,424,604 km (0.084 R)
• M9: 9,396,990 km (0.104 R)
• M10: 18,609,826 km (0.117 R)
• M11: 22,542,006 km (0.086 R)
• M12: 23,584,852 km (0.088 R)
• M13: 31,112,767 km (0.065 R)

Kuiper Belt

Range: 31.4 - 48.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 20,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit