🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.2

Radius: 13.8

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.6 AU - 0.86 AU

Year: 397 Days

Day: 7.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,402,584 km

• M1: 171,589 km (0.117 R)
• M2: 686,953 km (0.084 R)
• M3: 1,183,469 km (0.101 R)
• M4: 1,879,847 km (0.084 R)
• M5: 2,839,068 km (0.068 R)
• M6: 4,130,397 km (0.092 R)
• M7: 4,633,944 km (0.069 R)
• M8: 5,401,830 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.8

Radius: 12.5

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.71 AU - 1.91 AU

Year: 1548 Days

Day: 8.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 163.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,402,584 km

• M1: 155,432 km (0.073 R)
• M2: 642,822 km (0.087 R)
• M3: 1,059,153 km (0.096 R)
• M4: 1,508,994 km (0.11 R)
• M5: 2,407,628 km (0.093 R)
• M6: 2,983,879 km (0.057 R)
• M7: 3,697,760 km (0.111 R)
• M8: 5,466,456 km (0.069 R)
• M9: 6,330,832 km (0.051 R)
• M10: 8,276,353 km (0.119 R)
• M11: 8,805,331 km (0.072 R)
• M12: 9,386,219 km (0.105 R)
• M13: 10,464,521 km (0.092 R)
• M14: 11,250,508 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.5

Radius: 14.1

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.67 AU - 2.57 AU

Year: 1963 Days

Day: 5.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,402,584 km

• M1: 179,667 km (0.042 R)
• M2: 627,713 km (0.052 R)
• M3: 1,453,493 km (0.045 R)
• M4: 2,318,169 km (0.118 R)
• M5: 2,789,551 km (0.076 R)
• M6: 3,448,979 km (0.083 R)
• M7: 4,006,530 km (0.103 R)
• M8: 4,488,983 km (0.034 R)
• M9: 6,010,394 km (0.081 R)
• M10: 6,580,062 km (0.085 R)
• M11: 8,001,242 km (0.111 R)
• M12: 8,718,564 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.7

Radius: 3.5

Gravity: 43.49 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.99 AU - 8.79 AU

Year: 14091 Days

Day: 18.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,402,584 km

• M1: 47,572 km (0.116 R)
• M2: 245,640 km (0.089 R)
• M3: 405,560 km (0.078 R)
• M4: 929,452 km (0.11 R)
• M5: 1,232,986 km (0.054 R)
• M6: 1,508,545 km (0.112 R)
• M7: 2,277,478 km (0.042 R)
• M8: 2,626,340 km (0.099 R)
• M9: 2,802,417 km (0.073 R)
• M10: 4,233,470 km (0.061 R)
• M11: 4,600,284 km (0.055 R)
• M12: 5,223,808 km (0.116 R)
• M13: 5,396,893 km (0.119 R)
• M14: 7,005,070 km (0.096 R)
• M15: 7,962,945 km (0.113 R)
• M16: 8,664,110 km (0.08 R)
• M17: 9,765,450 km (0.092 R)
• M18: 11,704,687 km (0.106 R)
• M19: 12,920,469 km (0.095 R)
• M20: 17,068,967 km (0.109 R)
• M21: 17,220,809 km (0.063 R)
• M22: 23,211,755 km (0.091 R)
• M23: 30,343,983 km (0.095 R)
• M24: 32,041,620 km (0.097 R)
• M25: 36,623,504 km (0.098 R)
• M26: 46,613,350 km (0.054 R)
• M27: 47,207,852 km (0.109 R)
• M28: 51,670,057 km (0.047 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 13,813 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit