🌌 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: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.1

Radius: 11.9

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.82 AU - 0.94 AU

Year: 560 Days

Day: 13.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,040,626 km

• M1: 147,952 km (0.111 R)
• M2: 689,197 km (0.073 R)
• M3: 1,073,963 km (0.057 R)
• M4: 1,591,123 km (0.12 R)
• M5: 2,308,594 km (0.111 R)
• M6: 2,977,746 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655

Radius: 13.7

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.64 AU - 2.4 AU

Year: 1947 Days

Day: 12.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,040,626 km

• M1: 170,392 km (0.088 R)
• M2: 704,157 km (0.044 R)
• M3: 1,152,352 km (0.095 R)
• M4: 1,852,321 km (0.08 R)
• M5: 2,560,218 km (0.089 R)
• M6: 3,123,005 km (0.069 R)
• M7: 3,732,616 km (0.086 R)
• M8: 4,226,888 km (0.086 R)
• M9: 5,259,113 km (0.085 R)
• M10: 5,740,220 km (0.117 R)
• M11: 6,844,551 km (0.083 R)
• M12: 8,418,620 km (0.114 R)
• M13: 9,605,978 km (0.098 R)
• M14: 10,187,615 km (0.113 R)
• M15: 11,841,868 km (0.107 R)
• M16: 12,471,226 km (0.094 R)
• M17: 12,957,719 km (0.069 R)
• M18: 13,499,113 km (0.055 R)
• M19: 14,142,534 km (0.114 R)
• M20: 14,716,691 km (0.101 R)
• M21: 15,723,783 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.7

Radius: 11.1

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.6 AU - 4.24 AU

Year: 5264 Days

Day: 7 Hours

Environment

Temp: -216 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,040,626 km

• M1: 138,079 km (0.1 R)
• M2: 506,389 km (0.028 R)
• M3: 1,127,519 km (0.112 R)
• M4: 1,559,558 km (0.113 R)
• M5: 1,978,731 km (0.063 R)
• M6: 2,750,357 km (0.119 R)
• M7: 3,775,102 km (0.104 R)
• M8: 4,259,351 km (0.12 R)
• M9: 5,193,888 km (0.115 R)
• M10: 5,908,667 km (0.069 R)
• M11: 6,410,568 km (0.053 R)
• M12: 7,134,921 km (0.105 R)
• M13: 8,018,446 km (0.091 R)
• M14: 10,846,444 km (0.119 R)
• M15: 11,555,239 km (0.116 R)
• M16: 16,878,529 km (0.118 R)
• M17: 18,754,786 km (0.115 R)
• M18: 20,300,132 km (0.05 R)
• M19: 21,789,678 km (0.118 R)
• M20: 23,133,665 km (0.105 R)
• M21: 23,936,557 km (0.055 R)
• M22: 24,457,157 km (0.107 R)
• M23: 24,909,392 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.6

Radius: 9.5

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.88 AU - 5.48 AU

Year: 6867 Days

Day: 13.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 72,040,626 km

• M1: 118,182 km (0.045 R)
• M2: 2,598,365 km (0.108 R)
• M3: 7,939,009 km (0.115 R)
• M4: 12,945,751 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.8

Radius: 6.7

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.83 AU - 8.75 AU

Year: 16189 Days

Day: 20.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,040,626 km

• M1: 83,326 km (0.096 R)
• M2: 496,366 km (0.059 R)
• M3: 914,193 km (0.076 R)
• M4: 1,147,715 km (0.094 R)
• M5: 1,824,196 km (0.116 R)
• M6: 2,052,932 km (0.094 R)
• M7: 3,320,325 km (0.111 R)
• M8: 3,569,854 km (0.103 R)
• M9: 5,942,327 km (0.092 R)
• M10: 6,553,733 km (0.092 R)
• M11: 7,206,429 km (0.096 R)
• M12: 13,893,453 km (0.105 R)
• M13: 15,090,236 km (0.091 R)
• M14: 15,462,286 km (0.068 R)
• M15: 16,160,310 km (0.106 R)
• M16: 21,802,842 km (0.083 R)
• M17: 23,746,717 km (0.071 R)
• M18: 27,330,035 km (0.087 R)
• M19: 28,443,193 km (0.096 R)
• M20: 29,683,060 km (0.055 R)
• M21: 30,759,865 km (0.12 R)
• M22: 33,303,628 km (0.078 R)
• M23: 33,934,482 km (0.085 R)
• M24: 36,983,586 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.6

Radius: 5.3

Gravity: 20.28 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.95 AU - 10.27 AU

Year: 20206 Days

Day: 19 Hours

Environment

Temp: -240 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,040,626 km

• M1: 74,949 km (0.038 R)
• M2: 355,295 km (0.073 R)
• M3: 567,425 km (0.052 R)
• M4: 1,111,512 km (0.098 R)
• M5: 1,301,950 km (0.075 R)
• M6: 1,466,957 km (0.075 R)
• M7: 1,894,956 km (0.064 R)
• M8: 3,258,840 km (0.082 R)
• M9: 3,831,201 km (0.089 R)
• M10: 4,141,318 km (0.082 R)
• M11: 6,890,478 km (0.075 R)
• M12: 7,302,620 km (0.117 R)
• M13: 9,171,097 km (0.031 R)
• M14: 9,954,392 km (0.111 R)
• M15: 10,720,782 km (0.114 R)
• M16: 17,637,888 km (0.086 R)
• M17: 24,437,261 km (0.074 R)
• M18: 30,918,738 km (0.106 R)
• M19: 36,641,306 km (0.085 R)
• M20: 45,209,973 km (0.11 R)
• M21: 52,186,469 km (0.073 R)
• M22: 55,929,258 km (0.105 R)
• M23: 60,229,300 km (0.057 R)
• M24: 63,943,665 km (0.068 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 12,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit