🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.68 AU - 0.78 AU

Year: 229 Days

Day: 19.9 Hours

Environment

Temp: 179 °C

Axial Tilt: 33 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.9

Radius: 8.8

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.47 AU - 5.63 AU

Year: 4166 Days

Day: 9.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,303,329 km

• M1: 109,506 km (0.091 R)
• M2: 435,629 km (0.092 R)
• M3: 744,997 km (0.08 R)
• M4: 1,120,189 km (0.12 R)
• M5: 1,423,723 km (0.105 R)
• M6: 2,402,691 km (0.094 R)
• M7: 2,719,540 km (0.103 R)
• M8: 3,026,664 km (0.072 R)
• M9: 3,336,930 km (0.043 R)
• M10: 5,413,947 km (0.059 R)
• M11: 6,358,358 km (0.055 R)
• M12: 7,408,835 km (0.118 R)
• M13: 8,048,365 km (0.113 R)
• M14: 9,518,913 km (0.053 R)
• M15: 11,669,232 km (0.109 R)
• M16: 14,884,839 km (0.057 R)
• M17: 15,844,509 km (0.081 R)
• M18: 18,776,478 km (0.088 R)
• M19: 19,166,629 km (0.051 R)
• M20: 20,301,777 km (0.112 R)
• M21: 22,778,969 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.3

Radius: 10.8

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.81 AU - 6.75 AU

Year: 5777 Days

Day: 8.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,303,329 km

• M1: 134,638 km (0.119 R)
• M2: 484,548 km (0.059 R)
• M3: 950,844 km (0.106 R)
• M4: 2,196,845 km (0.086 R)
• M5: 3,852,444 km (0.108 R)
• M6: 4,197,267 km (0.114 R)
• M7: 4,604,622 km (0.032 R)
• M8: 5,667,067 km (0.061 R)
• M9: 6,399,947 km (0.116 R)
• M10: 7,572,046 km (0.104 R)
• M11: 8,750,877 km (0.088 R)
• M12: 9,214,780 km (0.026 R)
• M13: 10,631,173 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.5

Radius: 14.9

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 11.38 AU - 11.7 AU

Year: 14391 Days

Day: 13.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,303,329 km

• M1: 201,808 km (0.093 R)
• M2: 683,812 km (0.114 R)
• M3: 1,408,015 km (0.067 R)
• M4: 1,914,554 km (0.101 R)
• M5: 2,825,605 km (0.094 R)
• M6: 3,775,850 km (0.108 R)
• M7: 5,951,003 km (0.043 R)
• M8: 9,380,834 km (0.04 R)
• M9: 12,274,505 km (0.091 R)
• M10: 12,858,386 km (0.114 R)
• M11: 13,460,816 km (0.055 R)
• M12: 16,974,272 km (0.103 R)
• M13: 23,019,821 km (0.054 R)
• M14: 27,204,373 km (0.095 R)
• M15: 32,976,457 km (0.049 R)
• M16: 38,392,050 km (0.116 R)
• M17: 43,291,380 km (0.076 R)
• M18: 47,299,855 km (0.111 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 11,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit