🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.24 AU - 2 AU

Year: 725 Days

Day: 44.1 Hours

Environment

Temp: -27 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.55 AU - 1.93 AU

Year: 807 Days

Day: 42.5 Hours

Environment

Temp: -41 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.24 AU - 3.9 AU

Year: 2371 Days

Day: 22.6 Hours

Environment

Temp: -115 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.7

Radius: 10.9

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7.8 AU - 8.04 AU

Year: 7834 Days

Day: 7.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,887,103 km

• M1: 137,929 km (0.105 R)
• M2: 640,279 km (0.067 R)
• M3: 989,590 km (0.061 R)
• M4: 1,595,910 km (0.05 R)
• M5: 3,288,012 km (0.094 R)
• M6: 3,901,812 km (0.079 R)
• M7: 4,536,705 km (0.112 R)
• M8: 4,949,894 km (0.093 R)
• M9: 5,418,285 km (0.117 R)
• M10: 5,916,147 km (0.098 R)
• M11: 11,869,843 km (0.103 R)
• M12: 13,536,064 km (0.101 R)
• M13: 14,631,420 km (0.045 R)
• M14: 18,897,652 km (0.099 R)
• M15: 20,934,876 km (0.08 R)
• M16: 22,006,445 km (0.103 R)
• M17: 24,010,608 km (0.073 R)
• M18: 30,846,931 km (0.081 R)
• M19: 31,933,161 km (0.065 R)
• M20: 32,840,622 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.8

Radius: 7.9

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 14.67 AU - 15.51 AU

Year: 20602 Days

Day: 22.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,887,103 km

• M1: 99,632 km (0.088 R)
• M2: 474,824 km (0.031 R)
• M3: 918,681 km (0.078 R)
• M4: 1,430,904 km (0.053 R)
• M5: 2,048,892 km (0.11 R)
• M6: 2,531,495 km (0.056 R)
• M7: 3,458,703 km (0.029 R)
• M8: 4,380,974 km (0.106 R)
• M9: 4,981,310 km (0.033 R)
• M10: 6,701,985 km (0.103 R)
• M11: 9,948,258 km (0.11 R)
• M12: 18,585,142 km (0.119 R)
• M13: 20,405,000 km (0.11 R)
• M14: 21,270,274 km (0.12 R)
• M15: 22,705,217 km (0.081 R)
• M16: 26,777,121 km (0.071 R)
• M17: 31,882,448 km (0.106 R)
• M18: 32,577,629 km (0.075 R)
• M19: 47,328,578 km (0.035 R)

Kuiper Belt

Range: 31.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 14,763 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit