🌌 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 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.58 AU - 0.62 AU

Year: 305 Days

Day: 25.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692

Radius: 13.3

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.71 AU - 0.89 AU

Year: 469 Days

Day: 8.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,529,625 km

• M1: 165,455 km (0.034 R)
• M2: 774,019 km (0.104 R)
• M3: 1,235,379 km (0.037 R)
• M4: 1,703,471 km (0.103 R)
• M5: 2,149,721 km (0.109 R)
• M6: 2,936,307 km (0.056 R)
• M7: 3,854,688 km (0.092 R)
• M8: 4,388,902 km (0.099 R)
• M9: 4,833,058 km (0.091 R)
• M10: 5,795,422 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.5

Radius: 14.8

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.32 AU - 1.48 AU

Year: 1087 Days

Day: 6.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,529,625 km

• M1: 224,098 km (0.107 R)
• M2: 818,899 km (0.069 R)
• M3: 1,320,052 km (0.119 R)
• M4: 2,236,039 km (0.106 R)
• M5: 2,843,556 km (0.107 R)
• M6: 3,473,513 km (0.04 R)
• M7: 4,002,341 km (0.085 R)
• M8: 4,498,408 km (0.026 R)
• M9: 7,433,069 km (0.071 R)
• M10: 8,610,554 km (0.103 R)
• M11: 9,386,219 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.2

Radius: 12.3

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.81 AU - 5.53 AU

Year: 6620 Days

Day: 6.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,529,625 km

• M1: 154,385 km (0.111 R)
• M2: 582,983 km (0.06 R)
• M3: 990,787 km (0.086 R)
• M4: 1,378,694 km (0.097 R)
• M5: 2,910,576 km (0.038 R)
• M6: 4,048,118 km (0.111 R)
• M7: 4,622,275 km (0.036 R)
• M8: 5,370,564 km (0.073 R)
• M9: 6,065,446 km (0.119 R)
• M10: 7,331,044 km (0.051 R)
• M11: 9,415,391 km (0.1 R)
• M12: 11,256,641 km (0.072 R)
• M13: 14,070,428 km (0.115 R)
• M14: 14,720,879 km (0.087 R)
• M15: 17,457,623 km (0.036 R)
• M16: 18,981,726 km (0.107 R)
• M17: 23,340,709 km (0.114 R)
• M18: 24,674,972 km (0.069 R)
• M19: 25,447,346 km (0.028 R)
• M20: 26,770,689 km (0.098 R)
• M21: 29,172,333 km (0.087 R)
• M22: 33,662,662 km (0.081 R)
• M23: 34,719,721 km (0.096 R)
• M24: 36,456,851 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.3

Radius: 7.2

Gravity: 12.56 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.21 AU - 6.45 AU

Year: 10448 Days

Day: 23.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,529,625 km

• M1: 90,357 km (0.088 R)
• M2: 656,136 km (0.073 R)
• M3: 1,119,142 km (0.108 R)
• M4: 1,632,562 km (0.112 R)
• M5: 1,993,392 km (0.052 R)
• M6: 2,810,944 km (0.076 R)
• M7: 3,914,079 km (0.094 R)
• M8: 4,358,085 km (0.071 R)
• M9: 5,118,790 km (0.073 R)
• M10: 5,446,559 km (0.033 R)
• M11: 5,893,857 km (0.079 R)
• M12: 7,019,132 km (0.109 R)
• M13: 7,260,433 km (0.069 R)
• M14: 7,887,847 km (0.101 R)
• M15: 8,872,799 km (0.11 R)
• M16: 12,433,977 km (0.073 R)
• M17: 12,847,465 km (0.094 R)
• M18: 13,269,930 km (0.113 R)
• M19: 14,015,825 km (0.107 R)
• M20: 15,591,090 km (0.036 R)
• M21: 16,633,338 km (0.102 R)
• M22: 20,936,671 km (0.119 R)
• M23: 22,988,555 km (0.043 R)
• M24: 23,701,389 km (0.1 R)
• M25: 24,063,266 km (0.033 R)
• M26: 26,023,746 km (0.106 R)
• M27: 27,388,378 km (0.096 R)
• M28: 28,189,325 km (0.105 R)
• M29: 30,792,777 km (0.072 R)
• M30: 32,763,579 km (0.082 R)
• M31: 45,402,355 km (0.109 R)
• M32: 45,680,907 km (0.082 R)
• M33: 46,100,977 km (0.069 R)
• M34: 46,806,631 km (0.088 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 11,930 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit