🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.8

Radius: 8.5

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.56 AU - 0.78 AU

Year: 385 Days

Day: 6.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,354,597 km

• M1: 105,915 km (0.062 R)
• M2: 426,354 km (0.109 R)
• M3: 701,464 km (0.053 R)
• M4: 979,567 km (0.115 R)
• M5: 1,291,179 km (0.063 R)
• M6: 2,045,302 km (0.059 R)
• M7: 2,968,919 km (0.08 R)
• M8: 4,053,803 km (0.114 R)
• M9: 4,649,951 km (0.082 R)
• M10: 5,130,459 km (0.067 R)
• M11: 5,431,300 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.4

Radius: 9.2

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.81 AU - 0.81 AU

Year: 512 Days

Day: 12.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,354,597 km

• M1: 114,592 km (0.052 R)
• M2: 446,849 km (0.094 R)
• M3: 763,548 km (0.061 R)
• M4: 1,315,564 km (0.082 R)
• M5: 1,792,182 km (0.074 R)
• M6: 2,305,303 km (0.084 R)
• M7: 3,093,086 km (0.115 R)
• M8: 3,638,071 km (0.109 R)
• M9: 4,331,906 km (0.097 R)
• M10: 5,079,147 km (0.085 R)
• M11: 5,698,332 km (0.086 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.9

Radius: 5.9

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.62 AU - 6.64 AU

Year: 9390 Days

Day: 17.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,354,597 km

• M1: 73,303 km (0.081 R)
• M2: 381,774 km (0.109 R)
• M3: 2,605,696 km (0.089 R)
• M4: 2,807,204 km (0.039 R)
• M5: 4,154,183 km (0.083 R)
• M6: 4,892,449 km (0.081 R)
• M7: 6,656,357 km (0.108 R)
• M8: 8,400,668 km (0.088 R)
• M9: 11,200,841 km (0.075 R)
• M10: 16,938,817 km (0.026 R)
• M11: 18,003,805 km (0.118 R)
• M12: 18,738,031 km (0.091 R)
• M13: 21,397,582 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939

Radius: 6.2

Gravity: 24.43 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.52 AU - 8.98 AU

Year: 18194 Days

Day: 20 Hours

Environment

Temp: -234 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,354,597 km

• M1: 78,389 km (0.093 R)
• M2: 1,016,667 km (0.051 R)
• M3: 1,345,782 km (0.103 R)
• M4: 2,626,490 km (0.1 R)
• M5: 3,418,162 km (0.089 R)
• M6: 5,037,559 km (0.108 R)
• M7: 5,501,162 km (0.039 R)
• M8: 6,162,834 km (0.1 R)
• M9: 8,099,528 km (0.118 R)
• M10: 9,518,763 km (0.064 R)
• M11: 9,750,789 km (0.1 R)
• M12: 12,699,662 km (0.049 R)
• M13: 13,483,854 km (0.12 R)
• M14: 15,227,268 km (0.098 R)
• M15: 17,807,383 km (0.078 R)
• M16: 18,249,145 km (0.08 R)
• M17: 19,062,658 km (0.118 R)
• M18: 30,917,392 km (0.07 R)
• M19: 36,552,594 km (0.056 R)
• M20: 36,836,830 km (0.073 R)
• M21: 42,208,441 km (0.071 R)
• M22: 49,280,680 km (0.075 R)
• M23: 55,215,078 km (0.061 R)
• M24: 58,644,460 km (0.091 R)
• M25: 65,295,282 km (0.041 R)
• M26: 70,876,330 km (0.077 R)
• M27: 77,701,433 km (0.069 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 17,979 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit