🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.6

Radius: 13.6

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.84 AU - 0.9 AU

Year: 550 Days

Day: 7 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,216,513 km

• M1: 169,494 km (0.082 R)
• M2: 611,855 km (0.113 R)
• M3: 1,185,713 km (0.065 R)
• M4: 1,693,149 km (0.111 R)
• M5: 2,472,105 km (0.086 R)
• M6: 2,900,852 km (0.112 R)
• M7: 3,581,074 km (0.082 R)
• M8: 4,514,565 km (0.098 R)
• M9: 4,950,343 km (0.059 R)
• M10: 5,871,268 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.5

Radius: 12.9

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.72 AU - 1.74 AU

Year: 1543 Days

Day: 6.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,216,513 km

• M1: 161,865 km (0.115 R)
• M2: 563,236 km (0.049 R)
• M3: 1,268,141 km (0.082 R)
• M4: 2,882,452 km (0.067 R)
• M5: 3,734,711 km (0.089 R)
• M6: 4,893,346 km (0.117 R)
• M7: 6,937,900 km (0.116 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.3

Radius: 4.7

Gravity: 22.2 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.12 AU - 6.66 AU

Year: 10956 Days

Day: 15.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,216,513 km

• M1: 70,909 km (0.092 R)
• M2: 278,102 km (0.106 R)
• M3: 1,324,390 km (0.092 R)
• M4: 1,862,942 km (0.083 R)
• M5: 2,043,208 km (0.088 R)
• M6: 4,488,086 km (0.108 R)
• M7: 5,282,450 km (0.049 R)
• M8: 6,166,574 km (0.115 R)
• M9: 6,420,441 km (0.067 R)
• M10: 7,304,415 km (0.086 R)
• M11: 10,489,952 km (0.08 R)
• M12: 11,329,795 km (0.107 R)
• M13: 13,623,579 km (0.102 R)
• M14: 13,807,135 km (0.084 R)
• M15: 15,204,380 km (0.057 R)
• M16: 15,735,003 km (0.091 R)
• M17: 16,072,795 km (0.059 R)
• M18: 18,724,866 km (0.078 R)
• M19: 19,643,996 km (0.108 R)
• M20: 28,903,655 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.3

Radius: 6.7

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.06 AU - 7.74 AU

Year: 12293 Days

Day: 16.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,216,513 km

• M1: 84,373 km (0.092 R)
• M2: 568,622 km (0.065 R)
• M3: 778,358 km (0.103 R)
• M4: 1,041,201 km (0.111 R)
• M5: 1,450,351 km (0.049 R)
• M6: 1,664,426 km (0.109 R)
• M7: 3,430,578 km (0.12 R)
• M8: 3,965,840 km (0.098 R)
• M9: 4,416,428 km (0.109 R)
• M10: 7,083,310 km (0.074 R)
• M11: 8,197,215 km (0.113 R)
• M12: 8,972,132 km (0.046 R)
• M13: 10,032,183 km (0.06 R)
• M14: 14,553,778 km (0.119 R)
• M15: 15,622,805 km (0.034 R)
• M16: 22,825,793 km (0.068 R)
• M17: 26,676,891 km (0.068 R)
• M18: 28,562,273 km (0.086 R)
• M19: 31,968,317 km (0.039 R)
• M20: 32,913,177 km (0.039 R)
• M21: 39,334,516 km (0.091 R)
• M22: 40,662,945 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.3

Radius: 5.3

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 8.95 AU - 12.07 AU

Year: 23110 Days

Day: 22.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,216,513 km

• M1: 66,721 km (0.065 R)
• M2: 285,582 km (0.096 R)
• M3: 554,410 km (0.072 R)
• M4: 1,172,698 km (0.112 R)
• M5: 2,579,067 km (0.081 R)
• M6: 3,392,581 km (0.078 R)
• M7: 3,886,702 km (0.115 R)
• M8: 4,061,732 km (0.087 R)
• M9: 7,056,232 km (0.113 R)
• M10: 9,071,764 km (0.118 R)
• M11: 10,460,482 km (0.093 R)
• M12: 11,985,033 km (0.051 R)
• M13: 14,057,413 km (0.106 R)
• M14: 18,895,857 km (0.111 R)
• M15: 30,978,727 km (0.069 R)
• M16: 34,335,105 km (0.096 R)
• M17: 38,592,660 km (0.086 R)
• M18: 42,042,836 km (0.099 R)
• M19: 46,296,203 km (0.104 R)
• M20: 51,312,518 km (0.094 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: 489 - 16,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit