🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.8

Radius: 14.5

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.62 AU - 0.84 AU

Year: 409 Days

Day: 9.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,452,026 km

• M1: 180,265 km (0.082 R)
• M2: 735,274 km (0.094 R)
• M3: 1,238,371 km (0.115 R)
• M4: 1,717,533 km (0.116 R)
• M5: 2,314,129 km (0.092 R)
• M6: 3,789,613 km (0.032 R)
• M7: 4,387,107 km (0.096 R)
• M8: 5,534,523 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.9

Radius: 9.3

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.76 AU - 4.46 AU

Year: 4500 Days

Day: 12.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,452,026 km

• M1: 115,639 km (0.098 R)
• M2: 793,018 km (0.096 R)
• M3: 1,185,264 km (0.067 R)
• M4: 1,524,103 km (0.088 R)
• M5: 1,940,584 km (0.107 R)
• M6: 2,254,739 km (0.075 R)
• M7: 3,787,220 km (0.106 R)
• M8: 5,402,428 km (0.117 R)
• M9: 5,862,142 km (0.057 R)
• M10: 10,166,372 km (0.1 R)
• M11: 10,995,443 km (0.11 R)
• M12: 12,185,345 km (0.104 R)
• M13: 13,753,579 km (0.079 R)
• M14: 17,401,972 km (0.06 R)
• M15: 18,769,147 km (0.034 R)
• M16: 20,463,942 km (0.119 R)
• M17: 21,783,395 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.2

Radius: 12.4

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.05 AU - 4.55 AU

Year: 5849 Days

Day: 6.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,452,026 km

• M1: 179,069 km (0.101 R)
• M2: 781,200 km (0.117 R)
• M3: 1,943,426 km (0.105 R)
• M4: 2,365,890 km (0.109 R)
• M5: 4,842,633 km (0.075 R)
• M6: 5,535,869 km (0.113 R)
• M7: 7,838,928 km (0.084 R)
• M8: 8,763,892 km (0.109 R)
• M9: 9,386,369 km (0.118 R)
• M10: 10,250,297 km (0.102 R)
• M11: 10,904,638 km (0.029 R)
• M12: 11,977,703 km (0.116 R)
• M13: 12,786,280 km (0.081 R)
• M14: 15,572,839 km (0.108 R)
• M15: 16,291,657 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.5

Radius: 8

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.74 AU - 6.84 AU

Year: 10349 Days

Day: 15.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,452,026 km

• M1: 101,727 km (0.11 R)
• M2: 361,728 km (0.041 R)
• M3: 1,229,994 km (0.115 R)
• M4: 1,562,849 km (0.112 R)
• M5: 2,541,817 km (0.103 R)
• M6: 4,268,027 km (0.086 R)
• M7: 4,831,263 km (0.086 R)
• M8: 5,197,778 km (0.106 R)
• M9: 5,610,967 km (0.12 R)
• M10: 7,248,914 km (0.111 R)
• M11: 8,641,671 km (0.095 R)
• M12: 8,986,942 km (0.104 R)
• M13: 9,381,282 km (0.049 R)
• M14: 11,210,116 km (0.055 R)
• M15: 11,853,686 km (0.104 R)
• M16: 12,815,302 km (0.096 R)
• M17: 15,278,580 km (0.097 R)
• M18: 15,783,922 km (0.074 R)
• M19: 16,592,049 km (0.108 R)
• M20: 19,507,263 km (0.046 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.7

Radius: 3.9

Gravity: 49.75 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.46 AU - 7.62 AU

Year: 12254 Days

Day: 20.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 31,452,026 km

• M1: 48,470 km (0.1 R)
• M2: 178,919 km (0.045 R)
• M3: 368,160 km (0.089 R)
• M4: 573,558 km (0.075 R)
• M5: 945,010 km (0.06 R)
• M6: 1,214,735 km (0.071 R)
• M7: 1,347,129 km (0.065 R)
• M8: 1,579,155 km (0.117 R)
• M9: 1,854,415 km (0.076 R)
• M10: 2,896,813 km (0.099 R)
• M11: 3,842,571 km (0.069 R)
• M12: 4,844,877 km (0.111 R)
• M13: 6,009,795 km (0.103 R)
• M14: 6,201,281 km (0.114 R)
• M15: 6,677,451 km (0.071 R)
• M16: 7,613,036 km (0.104 R)
• M17: 7,928,238 km (0.077 R)
• M18: 9,687,809 km (0.116 R)
• M19: 11,573,789 km (0.07 R)
• M20: 11,810,602 km (0.072 R)
• M21: 15,545,612 km (0.107 R)
• M22: 19,244,719 km (0.073 R)
• M23: 24,350,045 km (0.081 R)
• M24: 25,429,095 km (0.054 R)
• M25: 27,263,165 km (0.082 R)
• M26: 28,965,888 km (0.089 R)
• M27: 31,078,210 km (0.069 R)
• M28: 35,358,055 km (0.084 R)
• M29: 37,897,329 km (0.085 R)
• M30: 39,745,461 km (0.062 R)
• M31: 49,892,835 km (0.096 R)
• M32: 50,049,015 km (0.112 R)
• M33: 54,392,290 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122

Radius: 3.7

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.37 AU - 7.97 AU

Year: 12595 Days

Day: 21.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 31,452,026 km

• M1: 46,375 km (0.074 R)
• M2: 165,306 km (0.046 R)
• M3: 438,172 km (0.058 R)
• M4: 852,259 km (0.107 R)
• M5: 1,439,281 km (0.093 R)
• M6: 1,742,217 km (0.052 R)
• M7: 5,046,535 km (0.092 R)
• M8: 5,502,509 km (0.056 R)
• M9: 5,620,691 km (0.106 R)
• M10: 6,694,954 km (0.069 R)
• M11: 7,351,389 km (0.078 R)
• M12: 7,676,764 km (0.117 R)
• M13: 9,877,499 km (0.105 R)
• M14: 11,191,866 km (0.091 R)
• M15: 11,334,133 km (0.12 R)
• M16: 12,063,722 km (0.117 R)
• M17: 15,471,711 km (0.119 R)
• M18: 16,246,778 km (0.069 R)
• M19: 18,264,404 km (0.092 R)
• M20: 19,469,714 km (0.077 R)
• M21: 21,013,564 km (0.094 R)
• M22: 27,314,327 km (0.115 R)
• M23: 29,334,497 km (0.099 R)
• M24: 29,605,119 km (0.092 R)
• M25: 29,786,432 km (0.077 R)
• M26: 31,452,055 km (0.083 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 14,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit