🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.5

Radius: 12.4

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.69 AU - 0.81 AU

Year: 441 Days

Day: 12.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,327,503 km

• M1: 154,535 km (0.073 R)
• M2: 611,257 km (0.085 R)
• M3: 1,095,954 km (0.102 R)
• M4: 1,881,193 km (0.081 R)
• M5: 2,285,855 km (0.038 R)
• M6: 3,062,867 km (0.03 R)
• M7: 3,551,902 km (0.112 R)
• M8: 4,214,920 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.5

Radius: 8.5

Gravity: 13.07 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.29 AU - 1.43 AU

Year: 1076 Days

Day: 14.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,327,503 km

• M1: 105,766 km (0.07 R)
• M2: 373,995 km (0.113 R)
• M3: 687,402 km (0.072 R)
• M4: 2,391,621 km (0.075 R)
• M5: 3,390,636 km (0.038 R)
• M6: 4,261,445 km (0.085 R)
• M7: 4,972,484 km (0.108 R)
• M8: 5,294,568 km (0.086 R)
• M9: 5,936,193 km (0.058 R)
• M10: 6,299,118 km (0.078 R)
• M11: 7,246,072 km (0.047 R)
• M12: 8,854,698 km (0.054 R)
• M13: 9,914,449 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.9

Radius: 11

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.59 AU - 1.81 AU

Year: 1503 Days

Day: 5.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,327,503 km

• M1: 136,882 km (0.067 R)
• M2: 498,909 km (0.059 R)
• M3: 849,866 km (0.074 R)
• M4: 1,317,508 km (0.112 R)
• M5: 2,351,529 km (0.112 R)
• M6: 3,931,731 km (0.043 R)
• M7: 4,530,871 km (0.105 R)
• M8: 5,320,598 km (0.037 R)
• M9: 6,297,472 km (0.117 R)
• M10: 6,725,322 km (0.043 R)
• M11: 7,500,239 km (0.094 R)
• M12: 8,126,904 km (0.097 R)
• M13: 8,513,465 km (0.052 R)
• M14: 9,195,781 km (0.102 R)
• M15: 10,150,365 km (0.095 R)
• M16: 11,133,373 km (0.026 R)
• M17: 11,573,639 km (0.088 R)
• M18: 12,528,373 km (0.108 R)
• M19: 14,378,151 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.8

Radius: 14.1

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.54 AU - 3.7 AU

Year: 4671 Days

Day: 11.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,327,503 km

• M1: 175,329 km (0.117 R)
• M2: 758,461 km (0.042 R)
• M3: 1,458,579 km (0.11 R)
• M4: 2,298,721 km (0.111 R)
• M5: 3,001,532 km (0.09 R)
• M6: 3,580,027 km (0.109 R)
• M7: 5,165,614 km (0.078 R)
• M8: 7,179,950 km (0.103 R)
• M9: 7,943,946 km (0.115 R)
• M10: 10,276,027 km (0.115 R)
• M11: 11,643,950 km (0.092 R)
• M12: 12,233,067 km (0.116 R)
• M13: 15,974,509 km (0.061 R)
• M14: 16,816,745 km (0.087 R)
• M15: 17,277,956 km (0.096 R)
• M16: 18,045,393 km (0.098 R)
• M17: 18,835,419 km (0.032 R)
• M18: 19,839,370 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.8

Radius: 7.2

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.12 AU - 7.64 AU

Year: 13598 Days

Day: 16.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,327,503 km

• M1: 91,853 km (0.105 R)
• M2: 677,230 km (0.059 R)
• M3: 1,240,316 km (0.108 R)
• M4: 1,487,003 km (0.102 R)
• M5: 2,029,445 km (0.069 R)
• M6: 2,452,956 km (0.086 R)
• M7: 3,209,323 km (0.099 R)
• M8: 3,628,496 km (0.113 R)
• M9: 5,272,128 km (0.082 R)
• M10: 8,585,422 km (0.079 R)
• M11: 9,790,582 km (0.091 R)
• M12: 11,380,808 km (0.064 R)
• M13: 12,295,898 km (0.097 R)
• M14: 12,892,195 km (0.106 R)
• M15: 19,154,960 km (0.112 R)
• M16: 23,565,105 km (0.082 R)
• M17: 30,186,008 km (0.1 R)
• M18: 32,043,714 km (0.099 R)
• M19: 43,434,994 km (0.115 R)
• M20: 47,808,637 km (0.117 R)
• M21: 48,540,619 km (0.106 R)
• M22: 50,176,921 km (0.052 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 15,494 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit