🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.1

Radius: 9.3

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.57 AU - 0.81 AU

Year: 376 Days

Day: 9.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,163,385 km

• M1: 116,238 km (0.108 R)
• M2: 409,449 km (0.115 R)
• M3: 1,062,893 km (0.12 R)
• M4: 1,371,812 km (0.117 R)
• M5: 2,026,902 km (0.094 R)
• M6: 2,352,576 km (0.088 R)
• M7: 3,215,905 km (0.105 R)
• M8: 3,948,935 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.8

Radius: 11.4

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.38 AU - 2.3 AU

Year: 1637 Days

Day: 11.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,163,385 km

• M1: 154,983 km (0.07 R)
• M2: 533,316 km (0.11 R)
• M3: 1,106,127 km (0.103 R)
• M4: 1,844,542 km (0.081 R)
• M5: 2,204,923 km (0.062 R)
• M6: 3,425,791 km (0.103 R)
• M7: 5,468,101 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.4

Radius: 10.5

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.57 AU - 2.84 AU

Year: 2910 Days

Day: 9.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 55.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,163,385 km

• M1: 131,048 km (0.058 R)
• M2: 577,149 km (0.098 R)
• M3: 916,137 km (0.118 R)
• M4: 1,252,134 km (0.035 R)
• M5: 1,944,473 km (0.054 R)
• M6: 2,474,798 km (0.081 R)
• M7: 2,817,676 km (0.082 R)
• M8: 3,499,543 km (0.055 R)
• M9: 3,897,922 km (0.087 R)
• M10: 4,230,628 km (0.095 R)
• M11: 5,103,681 km (0.087 R)
• M12: 7,679,756 km (0.034 R)
• M13: 8,355,789 km (0.041 R)
• M14: 8,724,099 km (0.109 R)
• M15: 10,064,945 km (0.036 R)
• M16: 10,482,173 km (0.107 R)
• M17: 11,613,731 km (0.117 R)
• M18: 12,825,025 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.8

Radius: 5.8

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.79 AU - 8.11 AU

Year: 12020 Days

Day: 20.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,163,385 km

• M1: 98,435 km (0.092 R)
• M2: 321,486 km (0.091 R)
• M3: 2,177,696 km (0.116 R)
• M4: 2,776,836 km (0.097 R)
• M5: 4,808,524 km (0.114 R)
• M6: 6,414,457 km (0.066 R)
• M7: 9,370,362 km (0.104 R)
• M8: 14,453,249 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.3

Radius: 6.9

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.4 AU - 9.88 AU

Year: 16660 Days

Day: 15.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,163,385 km

• M1: 114,293 km (0.071 R)
• M2: 388,057 km (0.068 R)
• M3: 620,831 km (0.106 R)
• M4: 1,786,348 km (0.075 R)
• M5: 3,818,934 km (0.1 R)
• M6: 5,210,643 km (0.109 R)
• M7: 7,582,966 km (0.114 R)
• M8: 8,595,295 km (0.097 R)
• M9: 9,003,697 km (0.034 R)
• M10: 12,882,022 km (0.099 R)
• M11: 15,857,075 km (0.039 R)
• M12: 20,676,221 km (0.072 R)
• M13: 21,688,699 km (0.106 R)
• M14: 22,733,790 km (0.112 R)
• M15: 30,652,604 km (0.067 R)
• M16: 31,245,759 km (0.076 R)
• M17: 33,071,152 km (0.094 R)
• M18: 36,799,580 km (0.059 R)
• M19: 51,793,027 km (0.042 R)
• M20: 52,803,560 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.4

Radius: 4.8

Gravity: 21.24 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.57 AU - 10.85 AU

Year: 21402 Days

Day: 17 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,163,385 km

• M1: 64,177 km (0.061 R)
• M2: 309,368 km (0.102 R)
• M3: 1,848,282 km (0.068 R)
• M4: 2,057,270 km (0.059 R)
• M5: 2,709,068 km (0.087 R)
• M6: 2,928,977 km (0.118 R)
• M7: 3,432,673 km (0.061 R)
• M8: 5,912,407 km (0.031 R)
• M9: 6,158,047 km (0.026 R)
• M10: 6,890,777 km (0.058 R)
• M11: 8,323,027 km (0.061 R)
• M12: 9,885,427 km (0.088 R)
• M13: 11,380,808 km (0.084 R)
• M14: 12,816,199 km (0.103 R)
• M15: 22,515,676 km (0.059 R)
• M16: 30,418,034 km (0.114 R)
• M17: 30,904,377 km (0.041 R)
• M18: 34,062,388 km (0.107 R)
• M19: 37,151,584 km (0.116 R)
• M20: 40,569,147 km (0.086 R)
• M21: 42,052,859 km (0.111 R)
• M22: 42,656,337 km (0.08 R)
• M23: 51,377,594 km (0.115 R)
• M24: 53,641,308 km (0.092 R)
• M25: 54,529,471 km (0.072 R)
• M26: 58,928,995 km (0.068 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: 332 - 13,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit