🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.2

Radius: 9.9

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.83 AU - 1.25 AU

Year: 719 Days

Day: 12 Hours

Environment

Temp: -182 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,757,432 km

• M1: 123,119 km (0.105 R)
• M2: 558,898 km (0.115 R)
• M3: 1,008,140 km (0.12 R)
• M4: 1,317,658 km (0.074 R)
• M5: 1,815,520 km (0.089 R)
• M6: 2,137,604 km (0.097 R)
• M7: 3,128,391 km (0.069 R)
• M8: 3,804,274 km (0.099 R)
• M9: 5,834,766 km (0.091 R)
• M10: 6,566,000 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.9

Radius: 11.5

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.18 AU - 1.66 AU

Year: 1148 Days

Day: 6.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,757,432 km

• M1: 143,165 km (0.047 R)
• M2: 569,369 km (0.095 R)
• M3: 1,403,826 km (0.097 R)
• M4: 2,562,612 km (0.072 R)
• M5: 3,313,443 km (0.09 R)
• M6: 3,757,001 km (0.096 R)
• M7: 4,993,876 km (0.079 R)
• M8: 5,393,003 km (0.095 R)
• M9: 8,364,167 km (0.119 R)
• M10: 8,957,920 km (0.048 R)
• M11: 9,609,868 km (0.101 R)
• M12: 10,777,479 km (0.053 R)
• M13: 11,583,962 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.7

Radius: 9.1

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.87 AU - 2.73 AU

Year: 2366 Days

Day: 14.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,757,432 km

• M1: 113,246 km (0.096 R)
• M2: 857,196 km (0.108 R)
• M3: 1,165,218 km (0.057 R)
• M4: 1,530,386 km (0.075 R)
• M5: 1,960,779 km (0.084 R)
• M6: 2,585,201 km (0.044 R)
• M7: 4,581,734 km (0.105 R)
• M8: 5,459,425 km (0.097 R)
• M9: 11,097,020 km (0.103 R)
• M10: 12,254,758 km (0.055 R)
• M11: 12,632,643 km (0.068 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559

Radius: 7.9

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.16 AU - 9.42 AU

Year: 16189 Days

Day: 24.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,757,432 km

• M1: 144,661 km (0.081 R)
• M2: 562,488 km (0.067 R)
• M3: 1,004,998 km (0.06 R)
• M4: 2,007,155 km (0.103 R)
• M5: 3,898,221 km (0.069 R)
• M6: 4,666,406 km (0.065 R)
• M7: 5,906,274 km (0.041 R)
• M8: 7,352,436 km (0.064 R)
• M9: 8,181,508 km (0.112 R)
• M10: 8,918,875 km (0.087 R)
• M11: 9,277,910 km (0.063 R)
• M12: 10,079,605 km (0.095 R)
• M13: 11,397,263 km (0.084 R)
• M14: 12,826,222 km (0.069 R)
• M15: 13,283,842 km (0.106 R)
• M16: 13,617,445 km (0.115 R)
• M17: 15,515,992 km (0.04 R)
• M18: 16,490,173 km (0.116 R)
• M19: 17,825,035 km (0.079 R)
• M20: 18,560,159 km (0.119 R)
• M21: 19,061,312 km (0.113 R)
• M22: 21,429,147 km (0.033 R)
• M23: 23,016,680 km (0.108 R)
• M24: 25,903,171 km (0.092 R)
• M25: 31,667,775 km (0.068 R)
• M26: 34,469,593 km (0.032 R)
• M27: 36,124,295 km (0.048 R)
• M28: 37,168,489 km (0.054 R)
• M29: 42,404,414 km (0.105 R)
• M30: 47,643,331 km (0.059 R)
• M31: 50,985,198 km (0.097 R)
• M32: 51,967,907 km (0.104 R)
• M33: 56,896,708 km (0.076 R)
• M34: 57,953,916 km (0.103 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 19,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit