🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.63 AU - 0.69 AU

Year: 195 Days

Day: 34 Hours

Environment

Temp: 197 °C

Axial Tilt: 19.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.8 AU - 1.32 AU

Year: 397 Days

Day: 44.6 Hours

Environment

Temp: 21 °C

Axial Tilt: 21.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 32,828,816 km

• M1: 297,251 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.98 AU - 3.24 AU

Year: 1993 Days

Day: 17.7 Hours

Environment

Temp: -95 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 32,828,816 km

• M1: 1,274,723 km (0.064 R)
• M2: 1,637,349 km (0.089 R)

Asteroid Belt

Center: 4.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.1

Radius: 13.8

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.99 AU - 6.97 AU

Year: 5315 Days

Day: 10.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,828,816 km

• M1: 172,187 km (0.084 R)
• M2: 873,203 km (0.115 R)
• M3: 1,512,584 km (0.055 R)
• M4: 2,309,043 km (0.115 R)
• M5: 2,841,163 km (0.115 R)
• M6: 3,329,600 km (0.098 R)
• M7: 4,710,687 km (0.087 R)
• M8: 5,285,442 km (0.1 R)
• M9: 7,155,266 km (0.067 R)
• M10: 7,805,119 km (0.105 R)
• M11: 9,646,071 km (0.102 R)
• M12: 11,517,690 km (0.114 R)
• M13: 12,158,866 km (0.107 R)
• M14: 12,928,098 km (0.081 R)
• M15: 14,507,403 km (0.083 R)
• M16: 17,591,363 km (0.114 R)
• M17: 28,794,598 km (0.077 R)
• M18: 30,440,175 km (0.064 R)
• M19: 31,955,003 km (0.073 R)

Kuiper Belt

Range: 30.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 19,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit