🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.7

Radius: 8.9

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.88 AU - 1.08 AU

Year: 658 Days

Day: 7.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,820,923 km

• M1: 110,702 km (0.1 R)
• M2: 492,177 km (0.06 R)
• M3: 800,199 km (0.074 R)
• M4: 1,128,566 km (0.091 R)
• M5: 1,688,362 km (0.037 R)
• M6: 2,278,076 km (0.103 R)
• M7: 2,721,634 km (0.066 R)
• M8: 3,307,160 km (0.088 R)
• M9: 3,662,904 km (0.06 R)
• M10: 3,960,304 km (0.104 R)
• M11: 5,349,620 km (0.104 R)
• M12: 6,557,174 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.2

Radius: 8.7

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.1 AU - 1.2 AU

Year: 836 Days

Day: 5.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,820,923 km

• M1: 108,309 km (0.11 R)
• M2: 428,598 km (0.108 R)
• M3: 737,368 km (0.111 R)
• M4: 1,051,523 km (0.086 R)
• M5: 1,426,565 km (0.087 R)
• M6: 1,836,463 km (0.115 R)
• M7: 2,648,780 km (0.079 R)
• M8: 3,711,374 km (0.105 R)
• M9: 4,173,631 km (0.074 R)
• M10: 4,640,376 km (0.048 R)
• M11: 5,052,668 km (0.048 R)
• M12: 6,010,394 km (0.055 R)
• M13: 7,106,497 km (0.114 R)
• M14: 7,655,073 km (0.104 R)
• M15: 7,988,078 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.8

Radius: 8.1

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.51 AU - 2.19 AU

Year: 1707 Days

Day: 11.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,820,923 km

• M1: 103,522 km (0.106 R)
• M2: 554,859 km (0.047 R)
• M3: 1,073,365 km (0.077 R)
• M4: 1,330,673 km (0.057 R)
• M5: 2,665,535 km (0.098 R)
• M6: 3,271,855 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.2

Radius: 14

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.4 AU - 6.42 AU

Year: 8535 Days

Day: 14.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,820,923 km

• M1: 174,132 km (0.029 R)
• M2: 619,784 km (0.098 R)
• M3: 1,101,639 km (0.118 R)
• M4: 2,117,857 km (0.084 R)
• M5: 3,048,954 km (0.112 R)
• M6: 3,908,693 km (0.108 R)
• M7: 8,358,183 km (0.091 R)
• M8: 9,173,192 km (0.099 R)
• M9: 10,421,885 km (0.109 R)
• M10: 10,961,934 km (0.115 R)
• M11: 11,469,070 km (0.059 R)
• M12: 11,938,957 km (0.077 R)
• M13: 16,436,168 km (0.044 R)
• M14: 20,245,828 km (0.101 R)
• M15: 21,010,871 km (0.114 R)
• M16: 22,680,234 km (0.084 R)
• M17: 25,923,217 km (0.116 R)
• M18: 32,167,282 km (0.105 R)
• M19: 36,808,107 km (0.056 R)
• M20: 39,465,115 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 18,613 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit