🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.63 AU - 0.67 AU

Year: 333 Days

Day: 36.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 123.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.3

Radius: 8.1

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.68 AU - 0.9 AU

Year: 446 Days

Day: 8.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 36,029,949 km

• M1: 100,829 km (0.091 R)
• M2: 365,468 km (0.074 R)
• M3: 643,570 km (0.026 R)
• M4: 1,548,338 km (0.09 R)
• M5: 2,421,840 km (0.099 R)
• M6: 2,913,867 km (0.113 R)

Asteroid Belt

Center: 1.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.2

Radius: 12.4

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.57 AU - 3.35 AU

Year: 3238 Days

Day: 11 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,029,949 km

• M1: 154,535 km (0.07 R)
• M2: 677,678 km (0.043 R)
• M3: 1,122,882 km (0.09 R)
• M4: 2,763,073 km (0.119 R)
• M5: 3,156,365 km (0.098 R)
• M6: 3,626,701 km (0.065 R)
• M7: 4,828,720 km (0.049 R)
• M8: 5,722,119 km (0.119 R)
• M9: 7,249,214 km (0.049 R)
• M10: 8,455,421 km (0.113 R)
• M11: 10,306,695 km (0.092 R)
• M12: 11,092,533 km (0.094 R)
• M13: 11,565,561 km (0.056 R)
• M14: 14,336,862 km (0.096 R)
• M15: 17,755,771 km (0.048 R)
• M16: 20,315,989 km (0.091 R)
• M17: 21,025,233 km (0.094 R)
• M18: 22,221,417 km (0.082 R)
• M19: 23,603,103 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.6

Radius: 6.3

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.68 AU - 7.82 AU

Year: 13718 Days

Day: 21.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,029,949 km

• M1: 78,389 km (0.051 R)
• M2: 317,297 km (0.113 R)
• M3: 527,332 km (0.114 R)
• M4: 817,852 km (0.042 R)
• M5: 1,593,517 km (0.117 R)
• M6: 2,484,372 km (0.107 R)
• M7: 2,897,112 km (0.091 R)
• M8: 3,532,305 km (0.051 R)
• M9: 4,763,645 km (0.067 R)
• M10: 5,133,451 km (0.119 R)
• M11: 5,614,558 km (0.066 R)
• M12: 10,650,920 km (0.119 R)
• M13: 13,609,367 km (0.068 R)
• M14: 14,587,887 km (0.052 R)
• M15: 16,363,913 km (0.118 R)
• M16: 16,748,529 km (0.115 R)
• M17: 18,006,647 km (0.108 R)
• M18: 18,624,037 km (0.109 R)
• M19: 19,326,399 km (0.1 R)
• M20: 27,891,177 km (0.074 R)
• M21: 29,559,642 km (0.107 R)
• M22: 30,321,992 km (0.113 R)
• M23: 35,493,441 km (0.11 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 10,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit