🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.9

Radius: 9.8

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.48 AU - 0.7 AU

Year: 302 Days

Day: 5.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,598,606 km

• M1: 121,922 km (0.055 R)
• M2: 436,078 km (0.094 R)
• M3: 804,537 km (0.115 R)
• M4: 1,148,313 km (0.117 R)
• M5: 1,476,830 km (0.108 R)
• M6: 2,373,370 km (0.093 R)
• M7: 2,956,503 km (0.097 R)
• M8: 3,392,730 km (0.104 R)
• M9: 4,032,560 km (0.108 R)
• M10: 4,598,040 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.8

Radius: 11.7

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.99 AU - 1.47 AU

Year: 910 Days

Day: 6.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,598,606 km

• M1: 145,559 km (0.06 R)
• M2: 620,382 km (0.08 R)
• M3: 1,192,744 km (0.099 R)
• M4: 1,600,548 km (0.085 R)
• M5: 2,292,288 km (0.112 R)
• M6: 2,731,358 km (0.063 R)
• M7: 3,187,482 km (0.114 R)
• M8: 5,357,100 km (0.027 R)
• M9: 7,082,262 km (0.078 R)
• M10: 7,566,062 km (0.114 R)
• M11: 8,071,852 km (0.05 R)
• M12: 8,651,544 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.5

Radius: 9.7

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.02 AU - 1.7 AU

Year: 1058 Days

Day: 14.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,598,606 km

• M1: 121,473 km (0.105 R)
• M2: 450,738 km (0.054 R)
• M3: 762,949 km (0.033 R)
• M4: 1,076,805 km (0.084 R)
• M5: 1,801,906 km (0.066 R)
• M6: 2,488,710 km (0.089 R)
• M7: 3,121,360 km (0.087 R)
• M8: 3,629,843 km (0.118 R)
• M9: 4,111,249 km (0.067 R)
• M10: 4,530,123 km (0.083 R)
• M11: 6,257,679 km (0.06 R)
• M12: 7,138,511 km (0.114 R)
• M13: 9,744,057 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504

Radius: 10.9

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.55 AU - 5.05 AU

Year: 5946 Days

Day: 7.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,598,606 km

• M1: 135,536 km (0.069 R)
• M2: 491,878 km (0.054 R)
• M3: 1,230,293 km (0.083 R)
• M4: 2,557,525 km (0.093 R)
• M5: 3,379,715 km (0.101 R)
• M6: 5,259,263 km (0.062 R)
• M7: 7,395,820 km (0.093 R)
• M8: 8,121,220 km (0.095 R)
• M9: 8,893,593 km (0.119 R)
• M10: 10,186,568 km (0.093 R)
• M11: 11,317,378 km (0.116 R)
• M12: 11,696,459 km (0.105 R)
• M13: 14,759,326 km (0.103 R)
• M14: 17,178,922 km (0.072 R)
• M15: 18,909,769 km (0.098 R)
• M16: 20,895,232 km (0.114 R)
• M17: 23,016,081 km (0.096 R)
• M18: 26,668,364 km (0.092 R)
• M19: 27,595,870 km (0.119 R)
• M20: 28,631,985 km (0.078 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: 344 - 16,054 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit