🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.2

Radius: 13.3

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.71 AU - 0.87 AU

Year: 494 Days

Day: 12.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,677,104 km

• M1: 165,455 km (0.056 R)
• M2: 598,092 km (0.107 R)
• M3: 1,278,613 km (0.112 R)
• M4: 1,878,052 km (0.067 R)
• M5: 2,757,089 km (0.096 R)
• M6: 3,200,796 km (0.047 R)
• M7: 3,705,838 km (0.084 R)
• M8: 4,220,006 km (0.086 R)
• M9: 4,813,611 km (0.069 R)
• M10: 5,239,965 km (0.088 R)
• M11: 6,112,719 km (0.082 R)
• M12: 6,915,610 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.4

Radius: 11.9

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.55 AU - 2.33 AU

Year: 1899 Days

Day: 9.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 161.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,677,104 km

• M1: 147,952 km (0.069 R)
• M2: 1,002,156 km (0.1 R)
• M3: 1,515,576 km (0.118 R)
• M4: 2,221,379 km (0.037 R)
• M5: 2,916,111 km (0.026 R)
• M6: 3,894,631 km (0.088 R)
• M7: 5,930,508 km (0.107 R)
• M8: 7,632,035 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.9

Radius: 13.8

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.9 AU - 5.4 AU

Year: 7048 Days

Day: 13.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,677,104 km

• M1: 173,384 km (0.118 R)
• M2: 1,003,802 km (0.049 R)
• M3: 1,749,547 km (0.106 R)
• M4: 4,167,049 km (0.078 R)
• M5: 5,385,523 km (0.096 R)
• M6: 6,404,734 km (0.119 R)
• M7: 8,518,252 km (0.061 R)
• M8: 12,928,248 km (0.098 R)
• M9: 14,172,304 km (0.09 R)
• M10: 18,440,930 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.3

Radius: 13.5

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.85 AU - 5.45 AU

Year: 7048 Days

Day: 6.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,677,104 km

• M1: 167,998 km (0.087 R)
• M2: 795,262 km (0.102 R)
• M3: 1,339,350 km (0.116 R)
• M4: 1,992,793 km (0.065 R)
• M5: 2,607,640 km (0.061 R)
• M6: 3,093,086 km (0.117 R)
• M7: 4,484,495 km (0.115 R)
• M8: 5,643,131 km (0.044 R)
• M9: 6,192,305 km (0.059 R)
• M10: 6,812,687 km (0.077 R)
• M11: 8,098,032 km (0.111 R)
• M12: 8,798,599 km (0.103 R)
• M13: 10,179,986 km (0.11 R)
• M14: 11,547,908 km (0.067 R)
• M15: 17,441,915 km (0.101 R)
• M16: 17,917,337 km (0.095 R)
• M17: 19,395,663 km (0.073 R)
• M18: 21,724,752 km (0.088 R)
• M19: 22,196,135 km (0.102 R)
• M20: 23,900,354 km (0.113 R)
• M21: 27,203,326 km (0.119 R)
• M22: 28,120,809 km (0.101 R)
• M23: 29,535,407 km (0.05 R)
• M24: 30,114,351 km (0.109 R)
• M25: 32,917,067 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.3

Radius: 7.6

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.29 AU - 8.25 AU

Year: 13779 Days

Day: 20.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,677,104 km

• M1: 102,923 km (0.119 R)
• M2: 392,844 km (0.105 R)
• M3: 1,141,282 km (0.106 R)
• M4: 1,733,989 km (0.099 R)
• M5: 2,394,464 km (0.1 R)
• M6: 3,932,330 km (0.089 R)
• M7: 4,674,036 km (0.098 R)
• M8: 5,877,252 km (0.057 R)
• M9: 7,684,543 km (0.12 R)
• M10: 8,673,385 km (0.113 R)
• M11: 10,949,517 km (0.12 R)
• M12: 12,250,869 km (0.091 R)
• M13: 12,724,496 km (0.12 R)
• M14: 24,534,051 km (0.096 R)
• M15: 29,748,733 km (0.054 R)
• M16: 33,881,075 km (0.033 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.7

Radius: 5.9

Gravity: 11.42 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.34 AU - 12.24 AU

Year: 21532 Days

Day: 20.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,677,104 km

• M1: 75,397 km (0.119 R)
• M2: 326,273 km (0.116 R)
• M3: 735,274 km (0.032 R)
• M4: 1,312,871 km (0.033 R)
• M5: 1,818,213 km (0.119 R)
• M6: 2,019,422 km (0.072 R)
• M7: 2,904,592 km (0.069 R)
• M8: 5,331,967 km (0.12 R)
• M9: 5,863,788 km (0.11 R)
• M10: 8,151,588 km (0.031 R)
• M11: 10,736,789 km (0.07 R)
• M12: 11,707,529 km (0.058 R)
• M13: 12,407,947 km (0.054 R)
• M14: 16,886,608 km (0.034 R)
• M15: 18,028,787 km (0.075 R)
• M16: 19,134,764 km (0.051 R)
• M17: 23,610,733 km (0.108 R)
• M18: 24,215,108 km (0.118 R)
• M19: 27,062,853 km (0.057 R)
• M20: 28,171,822 km (0.104 R)
• M21: 30,361,785 km (0.094 R)
• M22: 32,415,315 km (0.116 R)
• M23: 32,911,681 km (0.116 R)
• M24: 34,947,559 km (0.119 R)
• M25: 35,207,709 km (0.111 R)
• M26: 36,528,509 km (0.052 R)
• M27: 39,974,197 km (0.071 R)
• M28: 43,030,930 km (0.114 R)
• M29: 60,673,007 km (0.097 R)
• M30: 61,805,612 km (0.084 R)
• M31: 65,091,380 km (0.053 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 13,046 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit