🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.6 AU - 0.74 AU

Year: 203 Days

Day: 47.3 Hours

Environment

Temp: 144 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 87,354,128 km

• M1: 45,627 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.61 AU - 0.81 AU

Year: 222 Days

Day: 22.9 Hours

Environment

Temp: 108 °C

Axial Tilt: 31.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.86 AU - 0.86 AU

Year: 296 Days

Day: 13.2 Hours

Environment

Temp: 141 °C

Axial Tilt: 21.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 87,354,128 km

• M1: 307,424 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.1

Radius: 8.4

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 8.62 AU - 11.86 AU

Year: 12152 Days

Day: 6 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,354,128 km

• M1: 106,663 km (0.11 R)
• M2: 563,685 km (0.074 R)
• M3: 1,618,350 km (0.079 R)
• M4: 2,005,509 km (0.076 R)
• M5: 3,575,389 km (0.051 R)
• M6: 4,581,136 km (0.063 R)
• M7: 6,633,768 km (0.055 R)
• M8: 7,341,216 km (0.116 R)
• M9: 12,101,421 km (0.112 R)
• M10: 12,388,499 km (0.065 R)
• M11: 15,921,402 km (0.111 R)
• M12: 23,181,985 km (0.094 R)
• M13: 24,437,261 km (0.118 R)
• M14: 24,712,072 km (0.071 R)
• M15: 25,548,773 km (0.097 R)
• M16: 35,214,142 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.3

Radius: 3.3

Gravity: 44.66 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 17.03 AU - 19.71 AU

Year: 29199 Days

Day: 19.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,354,128 km

• M1: 40,990 km (0.108 R)
• M2: 166,951 km (0.075 R)
• M3: 493,075 km (0.027 R)
• M4: 782,247 km (0.066 R)
• M5: 2,592,232 km (0.092 R)
• M6: 2,796,134 km (0.09 R)
• M7: 3,442,546 km (0.107 R)
• M8: 6,983,079 km (0.102 R)
• M9: 7,428,133 km (0.115 R)
• M10: 7,944,545 km (0.108 R)
• M11: 10,824,752 km (0.072 R)
• M12: 10,955,202 km (0.099 R)
• M13: 13,789,782 km (0.106 R)
• M14: 14,331,326 km (0.084 R)
• M15: 15,539,479 km (0.11 R)
• M16: 16,901,268 km (0.12 R)
• M17: 17,611,110 km (0.104 R)
• M18: 21,873,453 km (0.086 R)
• M19: 21,977,573 km (0.054 R)
• M20: 29,099,927 km (0.096 R)
• M21: 29,861,231 km (0.059 R)
• M22: 42,601,285 km (0.104 R)
• M23: 46,099,930 km (0.106 R)
• M24: 50,146,253 km (0.052 R)
• M25: 50,690,790 km (0.103 R)
• M26: 64,544,749 km (0.097 R)
• M27: 65,404,787 km (0.088 R)
• M28: 71,640,027 km (0.099 R)
• M29: 74,194,111 km (0.086 R)
• M30: 80,719,271 km (0.075 R)
• M31: 84,248,434 km (0.109 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 20,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit