🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.2

Radius: 11.8

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.62 AU - 0.62 AU

Year: 326 Days

Day: 11.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 40,504,572 km

• M1: 146,756 km (0.086 R)
• M2: 595,998 km (0.032 R)
• M3: 1,406,070 km (0.057 R)
• M4: 2,322,956 km (0.106 R)
• M5: 2,899,955 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.6

Radius: 10.4

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.61 AU - 2.27 AU

Year: 1802 Days

Day: 10.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,504,572 km

• M1: 131,048 km (0.111 R)
• M2: 581,487 km (0.066 R)
• M3: 1,695,692 km (0.116 R)
• M4: 2,020,319 km (0.094 R)
• M5: 2,478,837 km (0.062 R)
• M6: 3,538,139 km (0.116 R)
• M7: 4,056,645 km (0.108 R)
• M8: 5,004,498 km (0.111 R)
• M9: 5,404,373 km (0.072 R)
• M10: 5,777,619 km (0.084 R)
• M11: 8,392,590 km (0.081 R)
• M12: 12,021,685 km (0.082 R)
• M13: 13,702,567 km (0.087 R)
• M14: 14,756,484 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850

Radius: 10.7

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.54 AU - 3.66 AU

Year: 3640 Days

Day: 10.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,504,572 km

• M1: 135,835 km (0.097 R)
• M2: 480,808 km (0.115 R)
• M3: 896,390 km (0.104 R)
• M4: 1,424,471 km (0.055 R)
• M5: 2,210,159 km (0.108 R)
• M6: 3,040,278 km (0.103 R)
• M7: 3,849,004 km (0.119 R)
• M8: 4,551,066 km (0.12 R)
• M9: 5,177,732 km (0.119 R)
• M10: 5,608,424 km (0.067 R)
• M11: 8,420,266 km (0.109 R)
• M12: 9,326,230 km (0.052 R)
• M13: 11,874,929 km (0.041 R)
• M14: 12,867,362 km (0.091 R)
• M15: 15,562,068 km (0.042 R)
• M16: 16,063,969 km (0.087 R)
• M17: 16,461,750 km (0.086 R)
• M18: 22,249,991 km (0.095 R)
• M19: 24,050,251 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.7

Radius: 7.1

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.46 AU - 8.84 AU

Year: 15516 Days

Day: 17.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,504,572 km

• M1: 90,507 km (0.111 R)
• M2: 374,294 km (0.106 R)
• M3: 689,945 km (0.074 R)
• M4: 956,678 km (0.102 R)
• M5: 1,223,711 km (0.059 R)
• M6: 1,662,780 km (0.038 R)
• M7: 2,219,584 km (0.101 R)
• M8: 2,467,318 km (0.046 R)
• M9: 2,833,234 km (0.086 R)
• M10: 3,945,793 km (0.081 R)
• M11: 6,417,150 km (0.116 R)
• M12: 9,720,570 km (0.083 R)
• M13: 10,683,233 km (0.081 R)
• M14: 12,081,524 km (0.116 R)
• M15: 14,250,244 km (0.082 R)
• M16: 17,900,133 km (0.094 R)
• M17: 18,467,857 km (0.076 R)
• M18: 21,250,527 km (0.089 R)
• M19: 21,806,732 km (0.042 R)
• M20: 22,536,022 km (0.078 R)
• M21: 22,948,164 km (0.11 R)
• M22: 23,872,529 km (0.1 R)
• M23: 28,966,486 km (0.082 R)
• M24: 33,657,427 km (0.109 R)
• M25: 39,542,308 km (0.062 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 13,162 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit