🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.5

Radius: 10.3

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.8 AU - 1.1 AU

Year: 607 Days

Day: 11.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,769,591 km

• M1: 128,056 km (0.078 R)
• M2: 494,122 km (0.103 R)
• M3: 869,164 km (0.087 R)
• M4: 1,205,310 km (0.09 R)
• M5: 1,644,978 km (0.062 R)
• M6: 2,100,653 km (0.087 R)
• M7: 2,723,728 km (0.051 R)
• M8: 3,067,654 km (0.108 R)
• M9: 3,750,269 km (0.081 R)
• M10: 4,278,948 km (0.074 R)
• M11: 4,936,431 km (0.086 R)
• M12: 5,730,646 km (0.079 R)
• M13: 6,299,716 km (0.114 R)
• M14: 6,726,070 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.6

Radius: 8

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.12 AU - 1.66 AU

Year: 1075 Days

Day: 11.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,769,591 km

• M1: 99,632 km (0.111 R)
• M2: 461,509 km (0.089 R)
• M3: 813,214 km (0.083 R)
• M4: 1,113,158 km (0.098 R)
• M5: 1,396,347 km (0.054 R)
• M6: 1,823,598 km (0.058 R)
• M7: 2,600,909 km (0.1 R)
• M8: 3,987,232 km (0.088 R)
• M9: 4,531,020 km (0.092 R)
• M10: 4,888,110 km (0.05 R)
• M11: 6,508,106 km (0.092 R)
• M12: 6,963,482 km (0.107 R)
• M13: 7,465,532 km (0.116 R)
• M14: 8,855,296 km (0.095 R)
• M15: 9,474,781 km (0.044 R)
• M16: 10,474,095 km (0.033 R)
• M17: 11,166,883 km (0.081 R)
• M18: 11,473,109 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281

Radius: 12.8

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.36 AU - 2.04 AU

Year: 1454 Days

Day: 11.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,769,591 km

• M1: 159,172 km (0.114 R)
• M2: 866,770 km (0.105 R)
• M3: 1,561,203 km (0.119 R)
• M4: 2,138,950 km (0.035 R)
• M5: 2,894,420 km (0.045 R)
• M6: 3,583,318 km (0.072 R)
• M7: 4,900,078 km (0.114 R)
• M8: 6,343,548 km (0.117 R)
• M9: 6,784,563 km (0.089 R)
• M10: 9,056,954 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.2

Radius: 14.9

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.74 AU - 1.76 AU

Year: 1519 Days

Day: 9.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,769,591 km

• M1: 185,352 km (0.11 R)
• M2: 764,894 km (0.051 R)
• M3: 1,271,133 km (0.113 R)
• M4: 1,793,379 km (0.105 R)
• M5: 2,678,999 km (0.116 R)
• M6: 3,607,702 km (0.113 R)
• M7: 4,377,383 km (0.102 R)
• M8: 5,212,139 km (0.113 R)
• M9: 6,366,437 km (0.12 R)
• M10: 7,173,966 km (0.086 R)
• M11: 7,712,668 km (0.082 R)
• M12: 8,963,156 km (0.101 R)
• M13: 10,859,309 km (0.119 R)
• M14: 11,354,628 km (0.064 R)
• M15: 12,467,038 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.3

Radius: 12.4

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.74 AU - 2.72 AU

Year: 2185 Days

Day: 10 Hours

Environment

Temp: -201 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,769,591 km

• M1: 155,881 km (0.118 R)
• M2: 1,224,010 km (0.076 R)
• M3: 1,942,678 km (0.093 R)
• M4: 2,365,741 km (0.084 R)
• M5: 3,387,793 km (0.096 R)
• M6: 4,719,962 km (0.083 R)
• M7: 5,758,172 km (0.089 R)
• M8: 6,157,897 km (0.051 R)
• M9: 6,598,612 km (0.106 R)
• M10: 8,074,994 km (0.093 R)
• M11: 8,523,189 km (0.095 R)
• M12: 9,015,815 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.4

Radius: 4.9

Gravity: 24.71 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.08 AU - 8.12 AU

Year: 12411 Days

Day: 19.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,769,591 km

• M1: 61,036 km (0.095 R)
• M2: 246,088 km (0.119 R)
• M3: 457,769 km (0.108 R)
• M4: 677,529 km (0.09 R)
• M5: 976,724 km (0.087 R)
• M6: 1,887,028 km (0.063 R)
• M7: 2,459,090 km (0.092 R)
• M8: 3,720,349 km (0.082 R)
• M9: 4,050,362 km (0.113 R)
• M10: 4,993,278 km (0.093 R)
• M11: 5,533,326 km (0.099 R)
• M12: 10,996,640 km (0.06 R)
• M13: 11,503,029 km (0.09 R)
• M14: 19,652,523 km (0.073 R)
• M15: 21,680,621 km (0.119 R)
• M16: 26,147,165 km (0.108 R)
• M17: 37,975,419 km (0.044 R)
• M18: 38,742,258 km (0.062 R)
• M19: 40,306,753 km (0.055 R)
• M20: 41,912,835 km (0.108 R)
• M21: 42,320,938 km (0.113 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 15,847 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit