🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.2

Radius: 13.1

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.43 AU - 0.69 AU

Year: 289 Days

Day: 14.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,319,655 km

• M1: 162,912 km (0.117 R)
• M2: 588,219 km (0.109 R)
• M3: 1,060,948 km (0.108 R)
• M4: 1,491,042 km (0.109 R)
• M5: 1,967,960 km (0.094 R)
• M6: 2,538,975 km (0.086 R)
• M7: 2,973,258 km (0.103 R)
• M8: 3,532,455 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.6

Radius: 9.1

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.67 AU - 0.83 AU

Year: 448 Days

Day: 10.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,319,655 km

• M1: 113,096 km (0.072 R)
• M2: 445,802 km (0.063 R)
• M3: 776,862 km (0.095 R)
• M4: 1,147,116 km (0.07 R)
• M5: 1,838,408 km (0.084 R)
• M6: 2,194,451 km (0.114 R)
• M7: 2,576,973 km (0.087 R)
• M8: 3,068,402 km (0.064 R)
• M9: 3,921,559 km (0.108 R)
• M10: 4,587,568 km (0.081 R)
• M11: 5,169,803 km (0.105 R)
• M12: 5,535,720 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.4

Radius: 8.4

Gravity: 13.65 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.77 AU - 1.07 AU

Year: 609 Days

Day: 14.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,319,655 km

• M1: 104,569 km (0.105 R)
• M2: 381,175 km (0.119 R)
• M3: 827,875 km (0.095 R)
• M4: 1,130,661 km (0.101 R)
• M5: 1,731,147 km (0.069 R)
• M6: 2,186,672 km (0.101 R)
• M7: 3,055,088 km (0.07 R)
• M8: 4,229,281 km (0.045 R)
• M9: 4,798,501 km (0.1 R)
• M10: 5,181,771 km (0.069 R)
• M11: 5,679,932 km (0.075 R)
• M12: 6,049,289 km (0.1 R)
• M13: 6,729,062 km (0.1 R)
• M14: 7,010,455 km (0.117 R)
• M15: 8,215,765 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.4

Radius: 5.1

Gravity: 32.43 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.52 AU - 9.98 AU

Year: 16357 Days

Day: 16.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,319,655 km

• M1: 209,437 km (0.07 R)
• M2: 485,894 km (0.119 R)
• M3: 1,930,261 km (0.116 R)
• M4: 2,227,512 km (0.108 R)
• M5: 3,118,517 km (0.109 R)
• M6: 3,332,891 km (0.114 R)
• M7: 5,380,437 km (0.101 R)
• M8: 6,513,491 km (0.081 R)
• M9: 6,954,057 km (0.119 R)
• M10: 9,460,121 km (0.12 R)
• M11: 14,772,491 km (0.12 R)
• M12: 15,764,624 km (0.118 R)
• M13: 21,398,779 km (0.057 R)
• M14: 29,290,814 km (0.091 R)
• M15: 30,729,946 km (0.112 R)
• M16: 31,590,732 km (0.109 R)
• M17: 33,360,624 km (0.113 R)
• M18: 34,664,519 km (0.085 R)
• M19: 35,329,033 km (0.031 R)
• M20: 36,137,759 km (0.105 R)
• M21: 45,228,523 km (0.065 R)
• M22: 45,703,346 km (0.113 R)
• M23: 46,985,849 km (0.091 R)
• M24: 57,563,914 km (0.065 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 15,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit