🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.9

Radius: 10.4

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.51 AU - 0.85 AU

Year: 394 Days

Day: 5.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,005,497 km

• M1: 129,402 km (0.043 R)
• M2: 971,638 km (0.043 R)
• M3: 1,440,927 km (0.035 R)
• M4: 1,812,677 km (0.114 R)
• M5: 2,774,143 km (0.036 R)
• M6: 3,437,161 km (0.096 R)
• M7: 4,033,159 km (0.116 R)
• M8: 4,417,476 km (0.077 R)
• M9: 4,826,327 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.6

Radius: 11.4

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.77 AU - 1.03 AU

Year: 600 Days

Day: 5.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,005,497 km

• M1: 142,268 km (0.096 R)
• M2: 528,828 km (0.116 R)
• M3: 926,310 km (0.095 R)
• M4: 1,356,553 km (0.107 R)
• M5: 1,714,092 km (0.119 R)
• M6: 2,205,521 km (0.088 R)
• M7: 2,667,031 km (0.119 R)
• M8: 3,402,903 km (0.056 R)
• M9: 3,825,517 km (0.107 R)
• M10: 5,244,901 km (0.097 R)
• M11: 5,742,613 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.1

Radius: 10.7

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.09 AU - 5.13 AU

Year: 5857 Days

Day: 10.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,005,497 km

• M1: 146,905 km (0.088 R)
• M2: 498,161 km (0.102 R)
• M3: 1,031,777 km (0.108 R)
• M4: 1,433,447 km (0.104 R)
• M5: 2,521,023 km (0.111 R)
• M6: 3,770,315 km (0.087 R)
• M7: 5,801,555 km (0.08 R)
• M8: 9,162,271 km (0.089 R)
• M9: 10,796,030 km (0.092 R)
• M10: 11,329,645 km (0.118 R)
• M11: 12,122,514 km (0.07 R)
• M12: 16,551,808 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.4

Radius: 3

Gravity: 42.6 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.82 AU - 10.72 AU

Year: 18256 Days

Day: 19.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,005,497 km

• M1: 37,399 km (0.093 R)
• M2: 244,443 km (0.086 R)
• M3: 607,218 km (0.067 R)
• M4: 1,250,339 km (0.117 R)
• M5: 2,653,268 km (0.078 R)
• M6: 3,428,783 km (0.099 R)
• M7: 4,101,525 km (0.077 R)
• M8: 4,660,572 km (0.119 R)
• M9: 5,163,969 km (0.104 R)
• M10: 6,681,789 km (0.111 R)
• M11: 7,232,907 km (0.116 R)
• M12: 7,998,400 km (0.093 R)
• M13: 8,966,298 km (0.108 R)
• M14: 11,903,503 km (0.115 R)
• M15: 12,458,660 km (0.107 R)
• M16: 13,955,537 km (0.044 R)
• M17: 17,144,963 km (0.07 R)
• M18: 18,253,483 km (0.109 R)
• M19: 28,453,515 km (0.089 R)
• M20: 37,675,326 km (0.068 R)
• M21: 38,202,359 km (0.032 R)
• M22: 43,745,559 km (0.056 R)
• M23: 47,468,751 km (0.094 R)
• M24: 54,022,633 km (0.103 R)
• M25: 59,005,439 km (0.096 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: 309 - 12,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit