🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.49 AU - 0.53 AU

Year: 131 Days

Day: 41.6 Hours

Environment

Temp: 192 °C

Axial Tilt: 7.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.31 AU - 3.11 AU

Year: 1606 Days

Day: 22.3 Hours

Environment

Temp: -83 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.2

Radius: 14.1

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.3 AU - 6.98 AU

Year: 5476 Days

Day: 9.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 147.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,441,056 km

• M1: 178,021 km (0.11 R)
• M2: 641,476 km (0.106 R)
• M3: 1,504,955 km (0.091 R)
• M4: 1,985,463 km (0.118 R)
• M5: 2,736,594 km (0.086 R)
• M6: 3,636,275 km (0.038 R)
• M7: 5,874,858 km (0.037 R)
• M8: 6,766,611 km (0.079 R)
• M9: 7,835,039 km (0.053 R)
• M10: 9,577,106 km (0.12 R)
• M11: 11,146,986 km (0.111 R)
• M12: 11,993,560 km (0.034 R)
• M13: 12,758,903 km (0.07 R)
• M14: 14,656,403 km (0.096 R)
• M15: 15,297,878 km (0.085 R)

Kuiper Belt

Range: 30.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 14,118 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit