🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.68 AU - 1.14 AU

Year: 305 Days

Day: 14.4 Hours

Environment

Temp: 129 °C

Axial Tilt: 43.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.77 AU - 2.91 AU

Year: 1258 Days

Day: 24 Hours

Environment

Temp: -64 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 49,999,750 km

• M1: 59,540 km (0.069 R)
• M2: 948,002 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.44 AU - 2.5 AU

Year: 1364 Days

Day: 22.2 Hours

Environment

Temp: -71 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.1

Radius: 9

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.21 AU - 11.53 AU

Year: 10081 Days

Day: 13.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,999,750 km

• M1: 112,498 km (0.085 R)
• M2: 459,565 km (0.107 R)
• M3: 742,903 km (0.094 R)
• M4: 1,242,710 km (0.073 R)
• M5: 2,269,250 km (0.102 R)
• M6: 3,003,476 km (0.09 R)
• M7: 3,352,937 km (0.105 R)
• M8: 3,651,834 km (0.103 R)
• M9: 3,941,605 km (0.076 R)
• M10: 4,749,433 km (0.055 R)
• M11: 6,536,829 km (0.1 R)
• M12: 6,965,875 km (0.088 R)
• M13: 8,779,450 km (0.076 R)
• M14: 10,202,276 km (0.067 R)
• M15: 14,982,376 km (0.113 R)
• M16: 18,423,875 km (0.102 R)
• M17: 20,245,828 km (0.085 R)
• M18: 27,921,545 km (0.086 R)
• M19: 28,226,725 km (0.087 R)
• M20: 29,680,666 km (0.069 R)
• M21: 30,533,524 km (0.055 R)
• M22: 34,926,914 km (0.12 R)
• M23: 38,078,941 km (0.104 R)
• M24: 43,974,144 km (0.11 R)
• M25: 49,850,199 km (0.09 R)

Kuiper Belt

Range: 31.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 15,423 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit