🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.18 AU - 3.04 AU

Year: 1564 Days

Day: 15.3 Hours

Environment

Temp: -102 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.3 AU - 3.44 AU

Year: 2294 Days

Day: 47.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 43.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.5

Radius: 14.6

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.89 AU - 6.15 AU

Year: 4171 Days

Day: 11.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,937,293 km

• M1: 181,911 km (0.079 R)
• M2: 691,890 km (0.086 R)
• M3: 1,545,496 km (0.1 R)
• M4: 2,036,177 km (0.061 R)
• M5: 2,892,924 km (0.116 R)
• M6: 4,433,333 km (0.117 R)
• M7: 6,468,462 km (0.059 R)
• M8: 7,708,778 km (0.106 R)
• M9: 11,254,697 km (0.116 R)
• M10: 12,866,614 km (0.088 R)
• M11: 15,973,462 km (0.115 R)
• M12: 16,862,223 km (0.09 R)
• M13: 19,668,081 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.1

Radius: 13.8

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 10.83 AU - 11.71 AU

Year: 14031 Days

Day: 10.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,937,293 km

• M1: 173,683 km (0.078 R)
• M2: 762,800 km (0.057 R)
• M3: 1,409,062 km (0.118 R)
• M4: 2,574,280 km (0.088 R)
• M5: 3,054,789 km (0.047 R)
• M6: 3,716,161 km (0.066 R)
• M7: 5,517,319 km (0.093 R)
• M8: 6,574,527 km (0.042 R)
• M9: 8,049,861 km (0.103 R)
• M10: 9,783,402 km (0.03 R)
• M11: 12,355,139 km (0.087 R)
• M12: 12,919,123 km (0.082 R)
• M13: 14,966,369 km (0.095 R)
• M14: 18,576,615 km (0.077 R)
• M15: 19,317,723 km (0.073 R)
• M16: 20,701,204 km (0.116 R)
• M17: 22,149,910 km (0.109 R)
• M18: 31,765,313 km (0.117 R)
• M19: 36,491,558 km (0.096 R)
• M20: 38,244,995 km (0.071 R)
• M21: 39,931,412 km (0.099 R)
• M22: 41,667,046 km (0.092 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: 406 - 18,551 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit