🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.7

Radius: 12.1

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.62 AU - 0.62 AU

Year: 337 Days

Day: 9.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,344,317 km

• M1: 166,203 km (0.087 R)
• M2: 656,136 km (0.038 R)
• M3: 1,276,219 km (0.07 R)
• M4: 1,780,663 km (0.062 R)
• M5: 2,202,380 km (0.103 R)
• M6: 2,691,266 km (0.064 R)
• M7: 3,336,930 km (0.089 R)
• M8: 4,108,406 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.5

Radius: 9.2

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.97 AU - 1.43 AU

Year: 907 Days

Day: 5.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,344,317 km

• M1: 117,135 km (0.117 R)
• M2: 496,964 km (0.116 R)
• M3: 803,041 km (0.076 R)
• M4: 1,129,913 km (0.073 R)
• M5: 1,431,352 km (0.073 R)
• M6: 1,968,409 km (0.093 R)
• M7: 2,284,509 km (0.119 R)
• M8: 2,822,912 km (0.063 R)
• M9: 3,967,036 km (0.028 R)
• M10: 4,542,390 km (0.115 R)
• M11: 5,081,540 km (0.094 R)
• M12: 5,546,939 km (0.12 R)
• M13: 5,979,726 km (0.065 R)
• M14: 6,266,804 km (0.083 R)
• M15: 6,736,542 km (0.104 R)
• M16: 7,070,295 km (0.032 R)
• M17: 7,770,712 km (0.056 R)
• M18: 8,113,141 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.5

Radius: 8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.18 AU - 1.36 AU

Year: 988 Days

Day: 9.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,344,317 km

• M1: 99,483 km (0.058 R)
• M2: 350,657 km (0.115 R)
• M3: 755,170 km (0.11 R)
• M4: 1,110,166 km (0.059 R)
• M5: 1,400,086 km (0.119 R)
• M6: 1,811,929 km (0.041 R)
• M7: 2,488,411 km (0.116 R)
• M8: 3,961,800 km (0.06 R)
• M9: 4,556,901 km (0.086 R)
• M10: 5,997,379 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.9

Radius: 11.3

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.89 AU - 2.27 AU

Year: 2071 Days

Day: 14.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,344,317 km

• M1: 143,764 km (0.112 R)
• M2: 938,727 km (0.042 R)
• M3: 3,748,474 km (0.082 R)
• M4: 4,335,645 km (0.076 R)
• M5: 5,005,844 km (0.1 R)
• M6: 6,048,691 km (0.116 R)
• M7: 8,366,111 km (0.057 R)
• M8: 10,231,298 km (0.06 R)
• M9: 10,949,068 km (0.089 R)
• M10: 12,612,447 km (0.096 R)
• M11: 13,305,085 km (0.117 R)
• M12: 14,023,005 km (0.099 R)
• M13: 15,881,310 km (0.119 R)
• M14: 17,155,585 km (0.111 R)
• M15: 18,006,198 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468

Radius: 4.5

Gravity: 23.11 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.8 AU - 9.5 AU

Year: 14605 Days

Day: 16.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 54,344,317 km

• M1: 76,295 km (0.099 R)
• M2: 218,114 km (0.09 R)
• M3: 399,726 km (0.088 R)
• M4: 580,589 km (0.086 R)
• M5: 1,032,375 km (0.036 R)
• M6: 1,197,381 km (0.12 R)
• M7: 1,492,688 km (0.105 R)
• M8: 1,752,838 km (0.066 R)
• M9: 2,024,658 km (0.119 R)
• M10: 2,170,964 km (0.111 R)
• M11: 2,464,326 km (0.075 R)
• M12: 2,717,595 km (0.1 R)
• M13: 2,873,326 km (0.039 R)
• M14: 3,556,540 km (0.1 R)
• M15: 3,825,068 km (0.113 R)
• M16: 4,493,920 km (0.12 R)
• M17: 5,514,327 km (0.077 R)
• M18: 7,471,217 km (0.09 R)
• M19: 11,491,510 km (0.074 R)
• M20: 14,022,108 km (0.053 R)
• M21: 15,592,885 km (0.112 R)
• M22: 16,021,034 km (0.106 R)
• M23: 16,752,119 km (0.092 R)
• M24: 17,581,789 km (0.084 R)
• M25: 20,318,981 km (0.08 R)
• M26: 24,075,833 km (0.044 R)
• M27: 25,424,308 km (0.049 R)
• M28: 32,694,764 km (0.094 R)
• M29: 35,192,151 km (0.113 R)
• M30: 36,800,328 km (0.055 R)
• M31: 38,198,769 km (0.105 R)
• M32: 39,368,924 km (0.089 R)
• M33: 42,329,615 km (0.097 R)
• M34: 44,431,316 km (0.087 R)
• M35: 48,689,769 km (0.09 R)
• M36: 49,145,144 km (0.09 R)
• M37: 49,910,637 km (0.107 R)
• M38: 51,622,485 km (0.116 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: 328 - 10,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit