🌌 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: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.39 AU - 0.63 AU

Year: 138 Days

Day: 26.7 Hours

Environment

Temp: 208 °C

Axial Tilt: 41.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.14 AU - 1.4 AU

Year: 542 Days

Day: 46.4 Hours

Environment

Temp: -22 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.7

Radius: 10

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.34 AU - 8.64 AU

Year: 7764 Days

Day: 5.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,871,546 km

• M1: 124,316 km (0.081 R)
• M2: 485,595 km (0.092 R)
• M3: 1,097,899 km (0.038 R)
• M4: 1,821,803 km (0.059 R)
• M5: 3,509,267 km (0.117 R)
• M6: 4,912,345 km (0.091 R)
• M7: 5,655,847 km (0.089 R)
• M8: 7,704,440 km (0.086 R)
• M9: 8,744,893 km (0.1 R)
• M10: 9,086,275 km (0.043 R)
• M11: 10,163,679 km (0.047 R)
• M12: 11,730,268 km (0.083 R)
• M13: 12,571,158 km (0.034 R)
• M14: 15,944,590 km (0.039 R)
• M15: 17,628,015 km (0.076 R)
• M16: 18,855,914 km (0.105 R)
• M17: 20,803,379 km (0.098 R)
• M18: 26,095,703 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137

Radius: 8

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 11.99 AU - 17.03 AU

Year: 20934 Days

Day: 24.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,871,546 km

• M1: 99,632 km (0.103 R)
• M2: 548,127 km (0.077 R)
• M3: 814,710 km (0.087 R)
• M4: 1,072,318 km (0.115 R)
• M5: 2,147,328 km (0.079 R)
• M6: 2,814,684 km (0.037 R)
• M7: 3,073,039 km (0.088 R)
• M8: 5,161,575 km (0.105 R)
• M9: 6,351,477 km (0.069 R)
• M10: 7,108,592 km (0.06 R)
• M11: 8,398,873 km (0.112 R)
• M12: 9,887,671 km (0.075 R)
• M13: 10,540,068 km (0.086 R)
• M14: 12,211,225 km (0.073 R)
• M15: 14,428,266 km (0.065 R)
• M16: 15,333,034 km (0.055 R)
• M17: 18,199,927 km (0.076 R)
• M18: 20,192,272 km (0.105 R)
• M19: 21,077,442 km (0.029 R)
• M20: 21,488,238 km (0.062 R)
• M21: 23,184,977 km (0.084 R)
• M22: 29,416,626 km (0.103 R)
• M23: 31,079,706 km (0.087 R)
• M24: 31,719,087 km (0.085 R)
• M25: 34,365,024 km (0.048 R)
• M26: 35,163,727 km (0.053 R)
• M27: 36,679,603 km (0.119 R)
• M28: 37,513,611 km (0.111 R)
• M29: 42,785,290 km (0.087 R)
• M30: 45,460,848 km (0.106 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 19,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit