🌌 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: 247.3

Radius: 14.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.63 AU - 0.95 AU

Year: 468 Days

Day: 13.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,131,930 km

• M1: 181,013 km (0.077 R)
• M2: 664,514 km (0.092 R)
• M3: 1,336,807 km (0.076 R)
• M4: 1,924,277 km (0.089 R)
• M5: 2,913,867 km (0.097 R)
• M6: 3,364,307 km (0.087 R)
• M7: 3,967,036 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.4

Radius: 14.3

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.09 AU - 1.15 AU

Year: 790 Days

Day: 11.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,131,930 km

• M1: 177,872 km (0.046 R)
• M2: 979,118 km (0.095 R)
• M3: 1,680,134 km (0.095 R)
• M4: 2,170,366 km (0.075 R)
• M5: 2,730,012 km (0.103 R)
• M6: 3,189,576 km (0.098 R)
• M7: 4,108,706 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674

Radius: 9.6

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.64 AU - 2.16 AU

Year: 1746 Days

Day: 10.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,131,930 km

• M1: 119,379 km (0.103 R)
• M2: 468,690 km (0.037 R)
• M3: 786,137 km (0.084 R)
• M4: 1,086,529 km (0.104 R)
• M5: 1,403,976 km (0.036 R)
• M6: 1,815,520 km (0.107 R)
• M7: 2,618,262 km (0.115 R)
• M8: 2,943,189 km (0.081 R)
• M9: 3,539,785 km (0.032 R)
• M10: 3,867,255 km (0.111 R)
• M11: 4,464,898 km (0.05 R)
• M12: 4,806,729 km (0.089 R)
• M13: 5,844,041 km (0.119 R)
• M14: 7,322,068 km (0.092 R)
• M15: 8,089,056 km (0.086 R)
• M16: 9,322,640 km (0.118 R)
• M17: 11,071,888 km (0.091 R)
• M18: 11,738,496 km (0.111 R)
• M19: 14,112,166 km (0.046 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.1

Radius: 3.2

Gravity: 55.87 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.45 AU - 6.71 AU

Year: 9997 Days

Day: 20.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 45,131,930 km

• M1: 39,793 km (0.06 R)
• M2: 182,958 km (0.067 R)
• M3: 339,438 km (0.108 R)
• M4: 567,275 km (0.086 R)
• M5: 987,795 km (0.047 R)
• M6: 2,514,142 km (0.07 R)
• M7: 3,476,954 km (0.039 R)
• M8: 3,725,885 km (0.051 R)
• M9: 4,013,412 km (0.108 R)
• M10: 4,231,525 km (0.092 R)
• M11: 8,129,597 km (0.116 R)
• M12: 9,634,402 km (0.07 R)
• M13: 11,422,695 km (0.111 R)
• M14: 17,726,001 km (0.098 R)
• M15: 18,238,224 km (0.075 R)
• M16: 21,192,334 km (0.118 R)
• M17: 22,526,148 km (0.077 R)
• M18: 22,954,297 km (0.099 R)
• M19: 25,822,836 km (0.086 R)
• M20: 26,957,387 km (0.048 R)
• M21: 28,521,283 km (0.026 R)
• M22: 28,921,457 km (0.073 R)
• M23: 31,084,194 km (0.044 R)
• M24: 33,131,590 km (0.116 R)
• M25: 34,019,902 km (0.115 R)
• M26: 38,093,452 km (0.114 R)
• M27: 38,214,327 km (0.081 R)
• M28: 39,685,622 km (0.119 R)
• M29: 40,813,441 km (0.11 R)
• M30: 42,220,857 km (0.107 R)
• M31: 42,740,560 km (0.078 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 18,191 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit