🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

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: 885.8

Radius: 8.9

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.68 AU - 0.82 AU

Year: 441 Days

Day: 11.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,098,992 km

• M1: 111,750 km (0.032 R)
• M2: 390,002 km (0.118 R)
• M3: 1,199,476 km (0.103 R)
• M4: 1,542,803 km (0.068 R)
• M5: 1,934,899 km (0.06 R)
• M6: 2,288,249 km (0.095 R)
• M7: 2,801,220 km (0.028 R)
• M8: 3,149,334 km (0.085 R)
• M9: 3,732,317 km (0.108 R)
• M10: 4,197,716 km (0.044 R)
• M11: 4,747,488 km (0.059 R)
• M12: 5,032,024 km (0.063 R)
• M13: 5,497,273 km (0.111 R)
• M14: 6,082,051 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.1

Radius: 8

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.78 AU - 0.92 AU

Year: 532 Days

Day: 5.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,098,992 km

• M1: 101,278 km (0.099 R)
• M2: 495,767 km (0.057 R)
• M3: 788,530 km (0.072 R)
• M4: 1,384,079 km (0.025 R)
• M5: 1,684,771 km (0.093 R)
• M6: 2,037,673 km (0.112 R)
• M7: 2,315,476 km (0.102 R)
• M8: 3,703,894 km (0.079 R)
• M9: 4,148,349 km (0.081 R)
• M10: 4,811,367 km (0.064 R)
• M11: 5,926,619 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633

Radius: 11.8

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.77 AU - 1.07 AU

Year: 599 Days

Day: 8.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,098,992 km

• M1: 146,756 km (0.055 R)
• M2: 521,648 km (0.115 R)
• M3: 974,929 km (0.048 R)
• M4: 1,355,806 km (0.114 R)
• M5: 1,838,558 km (0.107 R)
• M6: 2,376,063 km (0.112 R)
• M7: 2,747,514 km (0.111 R)
• M8: 3,218,149 km (0.069 R)
• M9: 3,824,021 km (0.118 R)
• M10: 4,519,950 km (0.101 R)
• M11: 5,902,833 km (0.113 R)
• M12: 6,337,115 km (0.043 R)
• M13: 7,018,384 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.4

Radius: 8.2

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.81 AU - 1.27 AU

Year: 719 Days

Day: 7.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,098,992 km

• M1: 102,026 km (0.086 R)
• M2: 409,150 km (0.064 R)
• M3: 767,138 km (0.098 R)
• M4: 1,217,577 km (0.063 R)
• M5: 1,541,905 km (0.103 R)
• M6: 1,852,919 km (0.082 R)
• M7: 2,128,030 km (0.084 R)
• M8: 2,843,108 km (0.069 R)
• M9: 3,515,101 km (0.086 R)
• M10: 4,741,056 km (0.095 R)
• M11: 5,314,464 km (0.096 R)
• M12: 5,991,844 km (0.119 R)
• M13: 6,832,135 km (0.083 R)
• M14: 7,655,821 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.7

Radius: 9.5

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.4 AU - 1.42 AU

Year: 1136 Days

Day: 6.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,098,992 km

• M1: 118,182 km (0.116 R)
• M2: 441,912 km (0.12 R)
• M3: 751,580 km (0.1 R)
• M4: 1,202,916 km (0.096 R)
• M5: 1,560,007 km (0.079 R)
• M6: 2,027,051 km (0.088 R)
• M7: 2,757,238 km (0.084 R)
• M8: 3,082,165 km (0.085 R)
• M9: 3,387,345 km (0.118 R)
• M10: 4,832,011 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.2

Radius: 9.9

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.93 AU - 2.35 AU

Year: 2123 Days

Day: 11.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,098,992 km

• M1: 123,119 km (0.108 R)
• M2: 477,068 km (0.065 R)
• M3: 1,436,888 km (0.038 R)
• M4: 2,904,742 km (0.112 R)
• M5: 3,828,509 km (0.106 R)
• M6: 4,473,575 km (0.105 R)
• M7: 4,866,269 km (0.072 R)
• M8: 5,189,550 km (0.088 R)
• M9: 5,623,534 km (0.077 R)
• M10: 6,143,237 km (0.066 R)
• M11: 6,960,191 km (0.077 R)
• M12: 7,679,008 km (0.097 R)
• M13: 8,118,527 km (0.116 R)
• M14: 8,941,465 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.6

Radius: 13.9

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.45 AU - 3.99 AU

Year: 4866 Days

Day: 7.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,098,992 km

• M1: 172,935 km (0.057 R)
• M2: 698,024 km (0.036 R)
• M3: 1,270,684 km (0.092 R)
• M4: 2,324,153 km (0.079 R)
• M5: 3,537,092 km (0.082 R)
• M6: 4,067,417 km (0.101 R)
• M7: 4,697,822 km (0.076 R)
• M8: 5,550,380 km (0.108 R)
• M9: 7,336,728 km (0.086 R)
• M10: 8,135,731 km (0.032 R)
• M11: 8,592,303 km (0.063 R)
• M12: 9,595,806 km (0.069 R)
• M13: 11,053,487 km (0.066 R)
• M14: 12,561,434 km (0.034 R)
• M15: 17,966,255 km (0.105 R)
• M16: 19,730,164 km (0.072 R)
• M17: 20,816,394 km (0.101 R)
• M18: 21,341,183 km (0.078 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 14,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit