🌌 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: 987.5

Radius: 8.4

Gravity: 14 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.63 AU - 0.83 AU

Year: 431 Days

Day: 8.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,454,477 km

• M1: 104,419 km (0.079 R)
• M2: 371,003 km (0.12 R)
• M3: 635,941 km (0.106 R)
• M4: 1,112,559 km (0.032 R)
• M5: 1,375,253 km (0.039 R)
• M6: 1,828,834 km (0.11 R)
• M7: 2,321,310 km (0.115 R)
• M8: 2,589,090 km (0.099 R)
• M9: 2,877,515 km (0.119 R)
• M10: 3,283,524 km (0.057 R)
• M11: 4,475,370 km (0.09 R)
• M12: 4,941,068 km (0.108 R)
• M13: 5,269,286 km (0.081 R)
• M14: 6,514,838 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.6

Radius: 14.2

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.59 AU - 0.93 AU

Year: 457 Days

Day: 14.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,454,477 km

• M1: 176,525 km (0.063 R)
• M2: 664,663 km (0.092 R)
• M3: 1,192,893 km (0.036 R)
• M4: 1,637,797 km (0.064 R)
• M5: 2,118,007 km (0.077 R)
• M6: 2,602,105 km (0.097 R)
• M7: 3,408,587 km (0.118 R)
• M8: 4,463,701 km (0.102 R)
• M9: 4,996,569 km (0.086 R)
• M10: 5,503,706 km (0.115 R)
• M11: 6,190,958 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.6

Radius: 10.1

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.25 AU - 4.47 AU

Year: 5235 Days

Day: 14.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,454,477 km

• M1: 125,662 km (0.108 R)
• M2: 490,382 km (0.116 R)
• M3: 943,215 km (0.08 R)
• M4: 1,434,494 km (0.113 R)
• M5: 1,995,785 km (0.09 R)
• M6: 2,473,451 km (0.051 R)
• M7: 2,937,354 km (0.085 R)
• M8: 3,953,722 km (0.099 R)
• M9: 4,401,917 km (0.087 R)
• M10: 8,119,873 km (0.09 R)
• M11: 9,225,252 km (0.115 R)
• M12: 10,553,980 km (0.116 R)
• M13: 11,687,483 km (0.091 R)
• M14: 12,660,917 km (0.038 R)
• M15: 14,662,985 km (0.071 R)
• M16: 21,108,260 km (0.042 R)
• M17: 23,258,131 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.6

Radius: 14.4

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.47 AU - 6.33 AU

Year: 8662 Days

Day: 10.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,454,477 km

• M1: 179,368 km (0.112 R)
• M2: 988,842 km (0.114 R)
• M3: 1,446,163 km (0.079 R)
• M4: 2,737,940 km (0.037 R)
• M5: 5,636,549 km (0.113 R)
• M6: 7,311,147 km (0.108 R)
• M7: 9,344,332 km (0.079 R)
• M8: 13,877,746 km (0.106 R)
• M9: 14,947,071 km (0.09 R)
• M10: 22,211,394 km (0.087 R)
• M11: 22,891,915 km (0.091 R)
• M12: 25,383,767 km (0.105 R)
• M13: 26,505,152 km (0.096 R)
• M14: 27,659,450 km (0.107 R)
• M15: 29,965,052 km (0.088 R)
• M16: 36,696,358 km (0.106 R)
• M17: 39,724,518 km (0.101 R)
• M18: 43,838,908 km (0.117 R)
• M19: 44,775,391 km (0.047 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.6

Radius: 6.3

Gravity: 16.17 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.8 AU - 6.48 AU

Year: 10502 Days

Day: 15.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 152.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,454,477 km

• M1: 79,137 km (0.115 R)
• M2: 415,433 km (0.071 R)
• M3: 659,278 km (0.063 R)
• M4: 958,324 km (0.109 R)
• M5: 1,397,543 km (0.114 R)
• M6: 1,996,533 km (0.065 R)
• M7: 4,087,911 km (0.107 R)
• M8: 4,879,883 km (0.103 R)
• M9: 5,165,315 km (0.056 R)
• M10: 6,457,841 km (0.103 R)
• M11: 6,959,143 km (0.059 R)
• M12: 8,665,307 km (0.084 R)
• M13: 9,615,104 km (0.081 R)
• M14: 10,064,346 km (0.11 R)
• M15: 13,059,445 km (0.076 R)
• M16: 13,363,578 km (0.062 R)
• M17: 14,049,634 km (0.085 R)
• M18: 15,022,469 km (0.095 R)
• M19: 19,522,971 km (0.092 R)
• M20: 26,849,078 km (0.118 R)
• M21: 31,388,027 km (0.118 R)
• M22: 38,739,565 km (0.044 R)
• M23: 39,748,005 km (0.114 R)
• M24: 45,888,848 km (0.094 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: 303 - 13,439 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit