🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.6 AU - 0.94 AU

Year: 256 Days

Day: 41.5 Hours

Environment

Temp: 154 °C

Axial Tilt: 19.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.65 AU - 0.99 AU

Year: 281 Days

Day: 47.6 Hours

Environment

Temp: 87 °C

Axial Tilt: 44 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.99 AU - 1.01 AU

Year: 379 Days

Day: 19.7 Hours

Environment

Temp: -2 °C

Axial Tilt: 36.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.96 AU - 1.26 AU

Year: 443 Days

Day: 35.3 Hours

Environment

Temp: -14 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 65,971,701 km

• M1: 227,090 km (0.1 R)

Asteroid Belt

Center: 9.43 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 17.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223

Radius: 5.1

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 16.92 AU - 18.56 AU

Year: 28300 Days

Day: 16 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,971,701 km

• M1: 63,878 km (0.107 R)
• M2: 370,404 km (0.068 R)
• M3: 598,691 km (0.088 R)
• M4: 1,118,094 km (0.091 R)
• M5: 3,268,414 km (0.096 R)
• M6: 6,605,045 km (0.088 R)
• M7: 8,602,177 km (0.111 R)
• M8: 9,987,154 km (0.108 R)
• M9: 12,790,319 km (0.052 R)
• M10: 14,157,793 km (0.09 R)
• M11: 16,154,326 km (0.101 R)
• M12: 18,247,200 km (0.077 R)
• M13: 22,093,661 km (0.07 R)
• M14: 22,573,272 km (0.068 R)
• M15: 26,020,306 km (0.11 R)
• M16: 35,873,869 km (0.073 R)
• M17: 46,058,492 km (0.079 R)
• M18: 47,790,985 km (0.074 R)
• M19: 48,754,096 km (0.095 R)
• M20: 55,331,615 km (0.107 R)
• M21: 62,285,821 km (0.099 R)
• M22: 64,402,482 km (0.118 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 18,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit