🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.52 AU - 0.7 AU

Year: 179 Days

Day: 28.8 Hours

Environment

Temp: 205 °C

Axial Tilt: 15.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.44 AU - 1.48 AU

Year: 665 Days

Day: 37.5 Hours

Environment

Temp: -38 °C

Axial Tilt: 48.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,917,943 km

• M1: 166,502 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 11.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133

Radius: 10.4

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 10.82 AU - 12.42 AU

Year: 14922 Days

Day: 10.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,917,943 km

• M1: 129,851 km (0.086 R)
• M2: 654,042 km (0.107 R)
• M3: 1,133,952 km (0.055 R)
• M4: 1,599,500 km (0.119 R)
• M5: 3,951,179 km (0.098 R)
• M6: 4,509,628 km (0.116 R)
• M7: 5,005,096 km (0.117 R)
• M8: 5,690,703 km (0.082 R)
• M9: 7,969,378 km (0.103 R)
• M10: 8,407,700 km (0.082 R)
• M11: 11,335,479 km (0.092 R)
• M12: 15,983,037 km (0.095 R)
• M13: 18,829,136 km (0.12 R)
• M14: 21,004,289 km (0.106 R)
• M15: 24,740,945 km (0.111 R)
• M16: 27,524,662 km (0.098 R)
• M17: 27,977,644 km (0.096 R)
• M18: 29,461,057 km (0.064 R)
• M19: 32,181,793 km (0.113 R)
• M20: 34,225,001 km (0.099 R)
• M21: 35,171,955 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 340.3

Radius: 3.9

Gravity: 22.37 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 15.41 AU - 16.43 AU

Year: 23930 Days

Day: 23.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,917,943 km

• M1: 49,517 km (0.092 R)
• M2: 177,872 km (0.119 R)
• M3: 306,227 km (0.101 R)
• M4: 485,295 km (0.05 R)
• M5: 1,297,313 km (0.111 R)
• M6: 1,974,094 km (0.073 R)
• M7: 2,421,541 km (0.076 R)
• M8: 3,059,276 km (0.072 R)
• M9: 3,685,194 km (0.036 R)
• M10: 4,899,330 km (0.101 R)
• M11: 5,407,065 km (0.061 R)
• M12: 5,829,829 km (0.094 R)
• M13: 7,140,007 km (0.061 R)
• M14: 10,854,672 km (0.074 R)
• M15: 11,840,223 km (0.068 R)
• M16: 16,857,885 km (0.062 R)
• M17: 17,181,166 km (0.078 R)
• M18: 19,649,531 km (0.079 R)
• M19: 22,538,714 km (0.08 R)
• M20: 23,931,471 km (0.067 R)
• M21: 27,774,490 km (0.117 R)
• M22: 28,680,904 km (0.097 R)
• M23: 28,910,537 km (0.063 R)
• M24: 29,257,454 km (0.117 R)
• M25: 33,637,979 km (0.092 R)
• M26: 33,765,586 km (0.079 R)
• M27: 34,797,662 km (0.088 R)
• M28: 42,916,787 km (0.104 R)
• M29: 52,040,611 km (0.105 R)
• M30: 54,463,798 km (0.11 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: 545 - 16,999 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit