🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.6

Radius: 13.1

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.59 AU - 0.67 AU

Year: 345 Days

Day: 5.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,501,771 km

• M1: 162,912 km (0.116 R)
• M2: 691,591 km (0.113 R)
• M3: 1,326,185 km (0.083 R)
• M4: 1,796,222 km (0.118 R)
• M5: 2,282,864 km (0.118 R)
• M6: 3,057,930 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111

Radius: 11.2

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.58 AU - 0.7 AU

Year: 353 Days

Day: 14 Hours

Environment

Temp: -147 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,501,771 km

• M1: 146,456 km (0.072 R)
• M2: 533,017 km (0.085 R)
• M3: 926,011 km (0.037 R)
• M4: 1,870,572 km (0.071 R)
• M5: 2,469,113 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537

Radius: 8.8

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.58 AU - 0.96 AU

Year: 466 Days

Day: 12.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,501,771 km

• M1: 109,506 km (0.083 R)
• M2: 485,295 km (0.059 R)
• M3: 899,233 km (0.073 R)
• M4: 1,328,878 km (0.104 R)
• M5: 1,673,551 km (0.031 R)
• M6: 2,094,520 km (0.115 R)
• M7: 2,826,652 km (0.1 R)
• M8: 3,127,942 km (0.079 R)
• M9: 3,534,698 km (0.084 R)
• M10: 4,483,448 km (0.096 R)
• M11: 5,220,218 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.1

Radius: 15

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.79 AU - 2.63 AU

Year: 2268 Days

Day: 8.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,501,771 km

• M1: 187,297 km (0.065 R)
• M2: 666,459 km (0.081 R)
• M3: 1,136,345 km (0.117 R)
• M4: 1,969,905 km (0.106 R)
• M5: 2,467,766 km (0.116 R)
• M6: 3,440,601 km (0.06 R)
• M7: 4,266,830 km (0.104 R)
• M8: 4,819,894 km (0.106 R)
• M9: 6,192,903 km (0.104 R)
• M10: 6,747,762 km (0.105 R)
• M11: 7,280,928 km (0.095 R)
• M12: 7,928,986 km (0.03 R)
• M13: 9,569,776 km (0.085 R)
• M14: 10,348,433 km (0.115 R)
• M15: 11,390,232 km (0.077 R)
• M16: 12,226,484 km (0.074 R)
• M17: 12,819,790 km (0.067 R)
• M18: 13,724,707 km (0.087 R)
• M19: 14,192,948 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.8

Radius: 10.6

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.14 AU - 3.76 AU

Year: 4423 Days

Day: 13 Hours

Environment

Temp: -216 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,501,771 km

• M1: 131,796 km (0.116 R)
• M2: 467,793 km (0.039 R)
• M3: 1,175,091 km (0.083 R)
• M4: 3,230,716 km (0.103 R)
• M5: 4,492,723 km (0.104 R)
• M6: 6,078,012 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.9

Radius: 12.4

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.99 AU - 6.01 AU

Year: 7717 Days

Day: 5.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,501,771 km

• M1: 154,235 km (0.117 R)
• M2: 810,970 km (0.075 R)
• M3: 2,557,376 km (0.068 R)
• M4: 3,408,887 km (0.057 R)
• M5: 4,729,088 km (0.093 R)
• M6: 6,011,142 km (0.112 R)
• M7: 7,194,162 km (0.089 R)
• M8: 7,675,867 km (0.116 R)
• M9: 8,526,480 km (0.119 R)
• M10: 8,929,347 km (0.096 R)
• M11: 9,677,187 km (0.056 R)
• M12: 10,215,141 km (0.069 R)
• M13: 12,005,379 km (0.099 R)
• M14: 12,742,298 km (0.077 R)
• M15: 13,690,449 km (0.096 R)
• M16: 17,240,107 km (0.117 R)
• M17: 18,622,841 km (0.032 R)
• M18: 19,610,635 km (0.086 R)
• M19: 22,274,973 km (0.086 R)
• M20: 25,817,601 km (0.098 R)
• M21: 27,141,392 km (0.077 R)
• M22: 40,027,154 km (0.093 R)
• M23: 44,553,986 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.6

Radius: 4.2

Gravity: 40.34 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 8.17 AU - 11.05 AU

Year: 20563 Days

Day: 16.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,501,771 km

• M1: 57,296 km (0.062 R)
• M2: 291,417 km (0.038 R)
• M3: 642,972 km (0.101 R)
• M4: 933,940 km (0.095 R)
• M5: 2,191,609 km (0.105 R)
• M6: 2,695,903 km (0.093 R)
• M7: 4,814,059 km (0.107 R)
• M8: 9,509,637 km (0.102 R)
• M9: 17,424,562 km (0.065 R)
• M10: 21,201,160 km (0.095 R)
• M11: 21,398,180 km (0.067 R)
• M12: 21,996,572 km (0.074 R)
• M13: 25,157,126 km (0.097 R)
• M14: 25,600,235 km (0.102 R)
• M15: 27,307,895 km (0.089 R)
• M16: 29,333,300 km (0.111 R)
• M17: 36,710,869 km (0.073 R)
• M18: 46,053,106 km (0.083 R)
• M19: 58,974,921 km (0.093 R)
• M20: 70,549,458 km (0.1 R)
• M21: 75,481,850 km (0.206 R)
• M22: 76,171,795 km (0.077 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 13,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit