🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.58 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.7

Radius: 13.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.39 AU - 3.93 AU

Year: 3746 Days

Day: 12.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,413,705 km

• M1: 170,392 km (0.077 R)
• M2: 628,909 km (0.075 R)
• M3: 1,114,953 km (0.084 R)
• M4: 1,564,345 km (0.044 R)
• M5: 2,627,537 km (0.12 R)
• M6: 3,302,373 km (0.091 R)
• M7: 4,239,903 km (0.054 R)
• M8: 5,043,692 km (0.084 R)
• M9: 5,641,934 km (0.109 R)
• M10: 6,115,411 km (0.078 R)
• M11: 6,564,355 km (0.107 R)
• M12: 9,638,591 km (0.08 R)
• M13: 11,101,808 km (0.091 R)
• M14: 11,583,363 km (0.1 R)
• M15: 12,869,157 km (0.052 R)
• M16: 13,484,154 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291

Radius: 10.8

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3 AU - 4.82 AU

Year: 5156 Days

Day: 6 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,413,705 km

• M1: 134,488 km (0.045 R)
• M2: 1,282,203 km (0.069 R)
• M3: 1,780,663 km (0.071 R)
• M4: 2,587,295 km (0.112 R)
• M5: 3,171,924 km (0.111 R)
• M6: 4,817,051 km (0.058 R)
• M7: 6,401,891 km (0.11 R)
• M8: 6,877,613 km (0.051 R)
• M9: 7,537,938 km (0.099 R)
• M10: 8,274,408 km (0.05 R)
• M11: 10,856,317 km (0.081 R)
• M12: 14,280,164 km (0.116 R)
• M13: 15,512,551 km (0.119 R)
• M14: 16,537,446 km (0.105 R)
• M15: 18,483,266 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.8

Radius: 11.8

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.13 AU - 5.05 AU

Year: 5516 Days

Day: 9.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,413,705 km

• M1: 146,756 km (0.086 R)
• M2: 756,965 km (0.056 R)
• M3: 1,125,275 km (0.112 R)
• M4: 2,991,359 km (0.045 R)
• M5: 3,460,049 km (0.029 R)
• M6: 4,193,827 km (0.114 R)
• M7: 5,545,294 km (0.059 R)
• M8: 6,160,590 km (0.085 R)
• M9: 7,203,736 km (0.103 R)
• M10: 12,785,681 km (0.116 R)
• M11: 17,383,871 km (0.084 R)
• M12: 18,300,158 km (0.106 R)
• M13: 19,386,388 km (0.116 R)
• M14: 20,157,715 km (0.098 R)
• M15: 21,389,952 km (0.117 R)
• M16: 26,910,563 km (0.116 R)
• M17: 27,344,097 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.7

Radius: 4.8

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 5.08 AU - 7.26 AU

Year: 10220 Days

Day: 18.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,413,705 km

• M1: 74,799 km (0.097 R)
• M2: 322,383 km (0.082 R)
• M3: 649,704 km (0.118 R)
• M4: 821,891 km (0.094 R)
• M5: 1,702,873 km (0.104 R)
• M6: 2,258,329 km (0.077 R)
• M7: 2,906,986 km (0.11 R)
• M8: 3,906,599 km (0.096 R)
• M9: 5,059,250 km (0.106 R)
• M10: 5,590,323 km (0.115 R)
• M11: 6,421,788 km (0.103 R)
• M12: 10,345,890 km (0.094 R)
• M13: 15,621,608 km (0.05 R)
• M14: 20,204,090 km (0.026 R)
• M15: 28,502,583 km (0.118 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 19,708 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit