🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.96 AU - 1.44 AU

Year: 480 Days

Day: 29.4 Hours

Environment

Temp: -5 °C

Axial Tilt: 28.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.17 AU - 3.29 AU

Year: 2120 Days

Day: 24.5 Hours

Environment

Temp: -111 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.79 AU - 4.89 AU

Year: 3302 Days

Day: 40.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 11.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.8

Radius: 12.5

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 10.69 AU - 12.05 AU

Year: 14003 Days

Day: 13 Hours

Environment

Temp: -190 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,230,313 km

• M1: 155,432 km (0.104 R)
• M2: 608,265 km (0.054 R)
• M3: 1,593,816 km (0.105 R)
• M4: 2,219,434 km (0.085 R)
• M5: 3,248,368 km (0.119 R)
• M6: 6,163,582 km (0.108 R)
• M7: 7,486,625 km (0.093 R)
• M8: 8,823,731 km (0.11 R)
• M9: 9,814,668 km (0.086 R)
• M10: 10,314,175 km (0.083 R)
• M11: 11,612,684 km (0.099 R)
• M12: 20,069,003 km (0.053 R)
• M13: 22,945,770 km (0.095 R)
• M14: 26,087,026 km (0.06 R)
• M15: 31,908,927 km (0.093 R)
• M16: 32,605,006 km (0.081 R)
• M17: 33,108,253 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199

Radius: 5.1

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 14.67 AU - 17.51 AU

Year: 23574 Days

Day: 19.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 120.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,230,313 km

• M1: 65,075 km (0.107 R)
• M2: 467,194 km (0.099 R)
• M3: 811,120 km (0.111 R)
• M4: 1,016,817 km (0.031 R)
• M5: 1,672,803 km (0.083 R)
• M6: 1,886,728 km (0.057 R)
• M7: 2,271,045 km (0.104 R)
• M8: 2,534,038 km (0.091 R)
• M9: 2,727,917 km (0.069 R)
• M10: 4,591,757 km (0.099 R)
• M11: 4,946,454 km (0.096 R)
• M12: 5,857,654 km (0.104 R)
• M13: 6,671,467 km (0.117 R)
• M14: 7,084,357 km (0.063 R)
• M15: 8,956,873 km (0.058 R)
• M16: 10,853,026 km (0.104 R)
• M17: 14,242,016 km (0.094 R)
• M18: 17,414,239 km (0.111 R)
• M19: 19,000,276 km (0.034 R)
• M20: 19,744,376 km (0.104 R)
• M21: 20,081,420 km (0.078 R)
• M22: 23,948,974 km (0.052 R)
• M23: 26,717,581 km (0.098 R)
• M24: 32,998,298 km (0.108 R)
• M25: 38,209,241 km (0.053 R)
• M26: 41,145,698 km (0.032 R)
• M27: 44,372,823 km (0.071 R)
• M28: 49,291,900 km (0.101 R)
• M29: 52,604,296 km (0.103 R)
• M30: 54,068,111 km (0.117 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 12,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit