🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.4

Radius: 8.9

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.69 AU - 0.81 AU

Year: 433 Days

Day: 11.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 58,234,866 km

• M1: 110,702 km (0.117 R)
• M2: 418,126 km (0.082 R)
• M3: 838,346 km (0.085 R)
• M4: 1,205,908 km (0.111 R)
• M5: 1,586,186 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.3

Radius: 10.6

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.34 AU - 1.46 AU

Year: 1105 Days

Day: 13.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,234,866 km

• M1: 131,796 km (0.056 R)
• M2: 698,024 km (0.061 R)
• M3: 1,210,097 km (0.118 R)
• M4: 1,545,047 km (0.117 R)
• M5: 1,932,954 km (0.099 R)
• M6: 2,494,544 km (0.088 R)
• M7: 3,665,597 km (0.102 R)
• M8: 4,794,612 km (0.098 R)
• M9: 5,150,655 km (0.093 R)
• M10: 5,588,378 km (0.076 R)
• M11: 6,279,819 km (0.077 R)
• M12: 7,002,377 km (0.119 R)
• M13: 7,566,959 km (0.119 R)
• M14: 8,385,260 km (0.106 R)
• M15: 8,728,737 km (0.083 R)
• M16: 9,352,410 km (0.069 R)
• M17: 9,847,429 km (0.076 R)
• M18: 10,523,462 km (0.097 R)
• M19: 11,264,720 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393

Radius: 11.6

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.14 AU - 1.7 AU

Year: 1128 Days

Day: 8.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,234,866 km

• M1: 144,212 km (0.119 R)
• M2: 608,115 km (0.108 R)
• M3: 1,175,989 km (0.107 R)
• M4: 2,161,839 km (0.06 R)
• M5: 2,910,427 km (0.034 R)
• M6: 3,809,659 km (0.11 R)
• M7: 4,373,494 km (0.107 R)
• M8: 4,920,723 km (0.114 R)
• M9: 5,727,803 km (0.113 R)
• M10: 7,089,742 km (0.043 R)
• M11: 7,461,792 km (0.075 R)
• M12: 8,475,168 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.6

Radius: 8

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.44 AU - 1.44 AU

Year: 1152 Days

Day: 6.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,234,866 km

• M1: 99,483 km (0.117 R)
• M2: 360,381 km (0.114 R)
• M3: 677,379 km (0.059 R)
• M4: 953,986 km (0.107 R)
• M5: 1,600,697 km (0.058 R)
• M6: 2,345,096 km (0.105 R)
• M7: 2,881,853 km (0.089 R)
• M8: 3,441,349 km (0.026 R)
• M9: 4,652,643 km (0.075 R)
• M10: 5,460,921 km (0.098 R)
• M11: 5,817,412 km (0.115 R)
• M12: 6,665,333 km (0.087 R)
• M13: 7,520,734 km (0.067 R)
• M14: 9,448,003 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.7

Radius: 13.5

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.7 AU - 1.96 AU

Year: 1651 Days

Day: 6.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,234,866 km

• M1: 168,597 km (0.051 R)
• M2: 1,210,247 km (0.115 R)
• M3: 1,784,403 km (0.036 R)
• M4: 3,152,626 km (0.117 R)
• M5: 3,711,074 km (0.105 R)
• M6: 5,133,002 km (0.099 R)
• M7: 6,789,350 km (0.099 R)
• M8: 7,368,593 km (0.115 R)
• M9: 8,626,561 km (0.11 R)
• M10: 10,394,808 km (0.091 R)
• M11: 12,980,757 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.7

Radius: 11.1

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.41 AU - 2.25 AU

Year: 1651 Days

Day: 9 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,234,866 km

• M1: 138,228 km (0.111 R)
• M2: 509,231 km (0.038 R)
• M3: 1,084,285 km (0.099 R)
• M4: 1,508,994 km (0.085 R)
• M5: 1,967,062 km (0.037 R)
• M6: 2,339,561 km (0.105 R)
• M7: 3,550,556 km (0.077 R)
• M8: 4,035,702 km (0.097 R)
• M9: 4,409,098 km (0.103 R)
• M10: 4,970,688 km (0.097 R)
• M11: 5,356,501 km (0.088 R)
• M12: 6,261,868 km (0.076 R)
• M13: 9,724,460 km (0.042 R)
• M14: 10,193,599 km (0.1 R)
• M15: 12,032,007 km (0.091 R)
• M16: 12,455,818 km (0.091 R)
• M17: 12,889,502 km (0.066 R)
• M18: 14,251,740 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.4

Radius: 6.1

Gravity: 12.48 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.8 AU - 10.02 AU

Year: 16264 Days

Day: 16.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,234,866 km

• M1: 78,988 km (0.099 R)
• M2: 318,643 km (0.084 R)
• M3: 695,181 km (0.103 R)
• M4: 4,084,171 km (0.091 R)
• M5: 5,235,477 km (0.105 R)
• M6: 8,159,517 km (0.032 R)
• M7: 9,804,944 km (0.087 R)
• M8: 12,450,732 km (0.099 R)
• M9: 15,393,471 km (0.119 R)
• M10: 26,215,680 km (0.084 R)
• M11: 29,188,340 km (0.09 R)
• M12: 34,178,925 km (0.11 R)
• M13: 44,047,447 km (0.103 R)
• M14: 50,413,884 km (0.064 R)
• M15: 52,992,054 km (0.083 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: 224 - 14,665 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit