🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442

Radius: 9.1

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.11 AU - 1.19 AU

Year: 836 Days

Day: 12.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 17,974,287 km

• M1: 113,395 km (0.116 R)
• M2: 538,253 km (0.101 R)
• M3: 971,339 km (0.085 R)
• M4: 1,628,971 km (0.086 R)
• M5: 2,122,046 km (0.069 R)
• M6: 2,634,119 km (0.088 R)
• M7: 3,188,529 km (0.079 R)
• M8: 3,487,276 km (0.09 R)
• M9: 3,818,934 km (0.099 R)
• M10: 4,156,427 km (0.092 R)
• M11: 4,497,959 km (0.08 R)
• M12: 4,791,321 km (0.092 R)
• M13: 5,380,437 km (0.057 R)
• M14: 5,711,497 km (0.114 R)
• M15: 6,114,813 km (0.115 R)
• M16: 6,850,685 km (0.112 R)
• M17: 7,196,106 km (0.11 R)
• M18: 7,485,279 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.7

Radius: 11.1

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.24 AU - 1.24 AU

Year: 937 Days

Day: 8.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 17,974,287 km

• M1: 138,079 km (0.11 R)
• M2: 527,332 km (0.092 R)
• M3: 1,165,667 km (0.071 R)
• M4: 1,573,470 km (0.061 R)
• M5: 2,001,620 km (0.118 R)
• M6: 2,573,682 km (0.116 R)
• M7: 2,984,777 km (0.086 R)
• M8: 3,851,248 km (0.064 R)
• M9: 4,201,007 km (0.08 R)
• M10: 4,555,554 km (0.091 R)
• M11: 5,800,059 km (0.068 R)
• M12: 6,179,589 km (0.117 R)
• M13: 6,618,509 km (0.118 R)
• M14: 8,308,516 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.5

Radius: 13.6

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.08 AU - 1.4 AU

Year: 937 Days

Day: 11.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,974,287 km

• M1: 169,195 km (0.07 R)
• M2: 702,212 km (0.075 R)
• M3: 1,227,899 km (0.108 R)
• M4: 1,656,946 km (0.09 R)
• M5: 2,244,118 km (0.094 R)
• M6: 2,855,973 km (0.12 R)
• M7: 3,311,947 km (0.072 R)
• M8: 4,095,691 km (0.104 R)
• M9: 5,032,622 km (0.106 R)
• M10: 5,543,499 km (0.088 R)
• M11: 6,770,800 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.9

Radius: 10

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.21 AU - 3.25 AU

Year: 3059 Days

Day: 13.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 17,974,287 km

• M1: 124,316 km (0.107 R)
• M2: 438,023 km (0.081 R)
• M3: 1,088,474 km (0.062 R)
• M4: 1,839,306 km (0.083 R)
• M5: 2,263,266 km (0.11 R)
• M6: 2,722,083 km (0.086 R)
• M7: 3,192,419 km (0.103 R)
• M8: 3,697,910 km (0.112 R)
• M9: 4,038,095 km (0.079 R)
• M10: 6,379,003 km (0.058 R)
• M11: 6,926,531 km (0.107 R)
• M12: 7,960,103 km (0.06 R)
• M13: 11,281,026 km (0.108 R)
• M14: 11,757,345 km (0.102 R)
• M15: 12,330,156 km (0.107 R)
• M16: 13,888,367 km (0.116 R)
• M17: 14,714,895 km (0.094 R)
• M18: 15,140,352 km (0.103 R)
• M19: 15,769,261 km (0.091 R)
• M20: 16,214,764 km (0.05 R)
• M21: 16,567,067 km (0.115 R)
• M22: 17,027,678 km (0.114 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 16,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit