🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.9

Radius: 9.6

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.85 AU - 0.99 AU

Year: 599 Days

Day: 14.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,630,096 km

• M1: 119,678 km (0.118 R)
• M2: 454,927 km (0.066 R)
• M3: 801,097 km (0.056 R)
• M4: 1,369,569 km (0.099 R)
• M5: 1,732,643 km (0.102 R)
• M6: 2,724,327 km (0.062 R)
• M7: 3,178,207 km (0.107 R)
• M8: 3,517,196 km (0.078 R)
• M9: 3,894,930 km (0.11 R)
• M10: 4,682,862 km (0.04 R)
• M11: 5,141,230 km (0.104 R)
• M12: 5,463,165 km (0.065 R)
• M13: 5,798,563 km (0.079 R)
• M14: 6,510,948 km (0.063 R)
• M15: 6,931,318 km (0.07 R)
• M16: 7,664,647 km (0.103 R)
• M17: 8,014,556 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.8

Radius: 13

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.26 AU - 2 AU

Year: 1411 Days

Day: 14.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,630,096 km

• M1: 161,715 km (0.109 R)
• M2: 691,292 km (0.11 R)
• M3: 1,704,518 km (0.11 R)
• M4: 2,461,483 km (0.108 R)
• M5: 3,360,567 km (0.064 R)
• M6: 4,195,472 km (0.098 R)
• M7: 4,825,728 km (0.076 R)
• M8: 5,280,506 km (0.038 R)
• M9: 5,847,182 km (0.076 R)
• M10: 7,643,254 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.9

Radius: 12.6

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.06 AU - 3.58 AU

Year: 4103 Days

Day: 14.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,630,096 km

• M1: 156,629 km (0.059 R)
• M2: 660,923 km (0.111 R)
• M3: 1,864,737 km (0.06 R)
• M4: 2,318,468 km (0.089 R)
• M5: 3,394,525 km (0.061 R)
• M6: 3,991,271 km (0.043 R)
• M7: 4,584,876 km (0.111 R)
• M8: 6,390,073 km (0.085 R)
• M9: 6,789,200 km (0.079 R)
• M10: 7,469,122 km (0.033 R)
• M11: 8,229,828 km (0.106 R)
• M12: 9,467,002 km (0.097 R)
• M13: 10,824,453 km (0.114 R)
• M14: 12,734,968 km (0.092 R)
• M15: 13,922,775 km (0.116 R)
• M16: 15,564,462 km (0.114 R)
• M17: 16,517,849 km (0.119 R)
• M18: 21,059,341 km (0.037 R)
• M19: 21,809,126 km (0.115 R)
• M20: 22,576,563 km (0.06 R)
• M21: 24,313,394 km (0.1 R)
• M22: 25,214,422 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144

Radius: 13.4

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.65 AU - 6.61 AU

Year: 9061 Days

Day: 9.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,630,096 km

• M1: 208,091 km (0.051 R)
• M2: 724,203 km (0.113 R)
• M3: 1,435,092 km (0.112 R)
• M4: 2,714,453 km (0.054 R)
• M5: 5,448,803 km (0.115 R)
• M6: 6,068,587 km (0.094 R)
• M7: 11,444,536 km (0.095 R)
• M8: 12,132,986 km (0.095 R)
• M9: 12,995,268 km (0.067 R)
• M10: 14,365,136 km (0.093 R)
• M11: 15,275,738 km (0.11 R)
• M12: 18,055,117 km (0.085 R)
• M13: 26,133,551 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.2

Radius: 7.8

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 6.02 AU - 7.44 AU

Year: 11842 Days

Day: 19.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,630,096 km

• M1: 96,939 km (0.103 R)
• M2: 420,370 km (0.093 R)
• M3: 1,413,251 km (0.04 R)
• M4: 1,850,675 km (0.073 R)
• M5: 2,662,543 km (0.101 R)
• M6: 3,910,788 km (0.062 R)
• M7: 4,463,103 km (0.097 R)
• M8: 5,267,790 km (0.066 R)
• M9: 8,731,729 km (0.096 R)
• M10: 11,126,940 km (0.062 R)
• M11: 11,642,155 km (0.1 R)
• M12: 18,882,094 km (0.106 R)
• M13: 21,661,921 km (0.107 R)
• M14: 22,284,847 km (0.114 R)
• M15: 23,566,302 km (0.026 R)
• M16: 24,799,737 km (0.084 R)
• M17: 31,617,660 km (0.076 R)
• M18: 32,188,675 km (0.1 R)
• M19: 36,755,299 km (0.045 R)
• M20: 39,061,799 km (0.077 R)
• M21: 42,009,775 km (0.12 R)
• M22: 53,331,791 km (0.044 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 16,016 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit