🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.1

Radius: 13.2

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.81 AU - 1.19 AU

Year: 656 Days

Day: 14.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,875,753 km

• M1: 164,109 km (0.106 R)
• M2: 690,394 km (0.083 R)
• M3: 1,226,254 km (0.062 R)
• M4: 2,238,433 km (0.083 R)
• M5: 2,836,974 km (0.037 R)
• M6: 3,734,412 km (0.065 R)
• M7: 4,188,740 km (0.064 R)
• M8: 5,000,159 km (0.111 R)
• M9: 6,188,714 km (0.035 R)
• M10: 6,871,329 km (0.082 R)
• M11: 8,072,451 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.5

Radius: 14.3

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.32 AU - 2.06 AU

Year: 1441 Days

Day: 8.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,875,753 km

• M1: 178,021 km (0.118 R)
• M2: 669,151 km (0.108 R)
• M3: 1,123,330 km (0.095 R)
• M4: 1,600,847 km (0.103 R)
• M5: 2,145,533 km (0.116 R)
• M6: 3,014,696 km (0.057 R)
• M7: 6,484,469 km (0.099 R)
• M8: 9,522,503 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.7

Radius: 11.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.94 AU - 5.84 AU

Year: 8209 Days

Day: 11 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,875,753 km

• M1: 138,378 km (0.118 R)
• M2: 554,859 km (0.12 R)
• M3: 1,089,372 km (0.078 R)
• M4: 1,979,928 km (0.075 R)
• M5: 2,808,102 km (0.105 R)
• M6: 3,511,660 km (0.082 R)
• M7: 4,064,873 km (0.073 R)
• M8: 4,747,189 km (0.116 R)
• M9: 5,773,730 km (0.079 R)
• M10: 7,849,849 km (0.051 R)
• M11: 9,018,956 km (0.094 R)
• M12: 9,626,025 km (0.08 R)
• M13: 11,567,805 km (0.107 R)
• M14: 12,888,904 km (0.118 R)
• M15: 15,612,931 km (0.084 R)
• M16: 17,570,719 km (0.101 R)
• M17: 19,312,786 km (0.097 R)
• M18: 23,348,039 km (0.043 R)
• M19: 23,701,838 km (0.05 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.4

Radius: 4.9

Gravity: 31.25 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.64 AU - 7.02 AU

Year: 10448 Days

Day: 16.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,875,753 km

• M1: 68,067 km (0.062 R)
• M2: 319,541 km (0.086 R)
• M3: 720,463 km (0.047 R)
• M4: 874,100 km (0.118 R)
• M5: 1,262,157 km (0.051 R)
• M6: 2,353,623 km (0.082 R)
• M7: 2,593,279 km (0.1 R)
• M8: 5,203,164 km (0.063 R)
• M9: 5,930,060 km (0.093 R)
• M10: 15,758,490 km (0.115 R)
• M11: 19,425,284 km (0.118 R)
• M12: 22,104,282 km (0.062 R)
• M13: 25,114,640 km (0.12 R)
• M14: 26,175,738 km (0.069 R)
• M15: 32,269,457 km (0.116 R)
• M16: 37,352,494 km (0.115 R)
• M17: 47,014,422 km (0.026 R)
• M18: 50,723,402 km (0.113 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 12,290 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit