🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.6

Radius: 9.3

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.71 AU - 0.95 AU

Year: 522 Days

Day: 6.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,022,495 km

• M1: 115,639 km (0.06 R)
• M2: 446,400 km (0.084 R)
• M3: 744,698 km (0.052 R)
• M4: 1,386,323 km (0.098 R)
• M5: 2,019,571 km (0.07 R)
• M6: 2,483,325 km (0.063 R)
• M7: 3,229,968 km (0.076 R)
• M8: 4,312,607 km (0.093 R)
• M9: 4,747,339 km (0.087 R)
• M10: 5,131,955 km (0.104 R)
• M11: 5,739,173 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.1

Radius: 12.1

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.56 AU - 2.24 AU

Year: 1808 Days

Day: 10.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,022,495 km

• M1: 151,094 km (0.042 R)
• M2: 683,213 km (0.102 R)
• M3: 2,097,063 km (0.052 R)
• M4: 2,890,530 km (0.07 R)
• M5: 3,397,517 km (0.051 R)
• M6: 5,340,046 km (0.09 R)
• M7: 7,626,948 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267

Radius: 10.3

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.38 AU - 3.44 AU

Year: 4347 Days

Day: 12.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,022,495 km

• M1: 128,205 km (0.088 R)
• M2: 508,034 km (0.102 R)
• M3: 1,434,644 km (0.051 R)
• M4: 2,008,501 km (0.095 R)
• M5: 2,349,734 km (0.1 R)
• M6: 3,431,326 km (0.117 R)
• M7: 4,839,940 km (0.118 R)
• M8: 5,215,431 km (0.094 R)
• M9: 6,186,171 km (0.075 R)
• M10: 7,704,141 km (0.092 R)
• M11: 8,415,927 km (0.103 R)
• M12: 8,787,977 km (0.099 R)
• M13: 9,420,477 km (0.039 R)
• M14: 11,215,801 km (0.092 R)
• M15: 14,535,976 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.3

Radius: 6.9

Gravity: 17.73 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.29 AU - 6.51 AU

Year: 9892 Days

Day: 22.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 123.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,022,495 km

• M1: 111,899 km (0.112 R)
• M2: 397,930 km (0.1 R)
• M3: 772,523 km (0.085 R)
• M4: 1,023,100 km (0.082 R)
• M5: 1,618,051 km (0.034 R)
• M6: 2,035,279 km (0.106 R)
• M7: 2,969,967 km (0.083 R)
• M8: 3,968,532 km (0.106 R)
• M9: 4,852,357 km (0.062 R)
• M10: 5,544,845 km (0.109 R)
• M11: 5,789,737 km (0.109 R)
• M12: 7,002,826 km (0.075 R)
• M13: 7,669,135 km (0.109 R)
• M14: 8,468,287 km (0.026 R)
• M15: 10,024,105 km (0.089 R)
• M16: 10,869,482 km (0.075 R)
• M17: 11,421,498 km (0.107 R)
• M18: 12,402,561 km (0.104 R)
• M19: 14,663,434 km (0.097 R)
• M20: 15,268,856 km (0.059 R)
• M21: 23,340,110 km (0.093 R)
• M22: 27,255,984 km (0.077 R)
• M23: 28,068,001 km (0.097 R)
• M24: 30,927,714 km (0.041 R)
• M25: 34,443,863 km (0.104 R)
• M26: 43,345,235 km (0.095 R)
• M27: 48,173,955 km (0.062 R)
• M28: 51,022,448 km (0.066 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: 529 - 13,890 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit