🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.2

Radius: 11.8

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.52 AU - 0.76 AU

Year: 360 Days

Day: 9.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,978,871 km

• M1: 146,756 km (0.119 R)
• M2: 523,443 km (0.072 R)
• M3: 1,038,060 km (0.076 R)
• M4: 1,414,897 km (0.111 R)
• M5: 1,900,940 km (0.113 R)
• M6: 2,488,112 km (0.091 R)
• M7: 2,881,853 km (0.099 R)
• M8: 3,612,041 km (0.097 R)
• M9: 4,120,374 km (0.103 R)
• M10: 4,490,030 km (0.041 R)
• M11: 5,002,553 km (0.096 R)
• M12: 5,537,515 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.8

Radius: 8.1

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.58 AU - 0.9 AU

Year: 447 Days

Day: 14 Hours

Environment

Temp: -167 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,978,871 km

• M1: 100,679 km (0.097 R)
• M2: 486,492 km (0.065 R)
• M3: 885,769 km (0.096 R)
• M4: 1,156,092 km (0.101 R)
• M5: 1,778,868 km (0.09 R)
• M6: 2,115,015 km (0.115 R)
• M7: 2,608,239 km (0.103 R)
• M8: 2,887,389 km (0.08 R)
• M9: 3,561,477 km (0.072 R)
• M10: 3,977,658 km (0.044 R)
• M11: 4,285,530 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.5

Radius: 10.1

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.6 AU - 0.92 AU

Year: 466 Days

Day: 12.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,978,871 km

• M1: 129,402 km (0.109 R)
• M2: 448,644 km (0.094 R)
• M3: 786,286 km (0.087 R)
• M4: 1,100,891 km (0.08 R)
• M5: 1,754,035 km (0.092 R)
• M6: 2,668,676 km (0.037 R)
• M7: 3,226,676 km (0.115 R)
• M8: 3,653,479 km (0.113 R)
• M9: 4,517,108 km (0.09 R)
• M10: 5,855,709 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.7

Radius: 9.9

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.71 AU - 0.85 AU

Year: 484 Days

Day: 6.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,978,871 km

• M1: 125,363 km (0.119 R)
• M2: 454,628 km (0.102 R)
• M3: 1,008,290 km (0.063 R)
• M4: 1,413,401 km (0.102 R)
• M5: 1,918,293 km (0.064 R)
• M6: 2,291,241 km (0.071 R)
• M7: 3,070,795 km (0.118 R)
• M8: 3,610,245 km (0.119 R)
• M9: 4,296,900 km (0.079 R)
• M10: 4,816,752 km (0.078 R)
• M11: 5,229,792 km (0.11 R)
• M12: 5,546,341 km (0.107 R)
• M13: 6,090,578 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.9

Radius: 13.9

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.89 AU - 1.35 AU

Year: 833 Days

Day: 5.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 26,978,871 km

• M1: 173,085 km (0.113 R)
• M2: 607,816 km (0.06 R)
• M3: 1,460,674 km (0.069 R)
• M4: 2,611,530 km (0.049 R)
• M5: 3,366,102 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.6

Radius: 8.7

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.31 AU - 1.35 AU

Year: 1078 Days

Day: 8.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,978,871 km

• M1: 111,750 km (0.104 R)
• M2: 394,639 km (0.117 R)
• M3: 716,574 km (0.112 R)
• M4: 1,258,417 km (0.084 R)
• M5: 2,703,832 km (0.087 R)
• M6: 3,320,923 km (0.032 R)
• M7: 4,028,671 km (0.108 R)
• M8: 4,833,657 km (0.105 R)
• M9: 5,118,491 km (0.115 R)
• M10: 5,800,807 km (0.104 R)
• M11: 6,123,041 km (0.077 R)
• M12: 6,542,513 km (0.117 R)
• M13: 6,825,403 km (0.08 R)
• M14: 7,795,695 km (0.119 R)
• M15: 8,672,189 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.4

Radius: 13.2

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.56 AU - 3.76 AU

Year: 3949 Days

Day: 11.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,978,871 km

• M1: 164,258 km (0.054 R)
• M2: 752,776 km (0.084 R)
• M3: 1,589,627 km (0.106 R)
• M4: 2,136,706 km (0.06 R)
• M5: 3,869,648 km (0.044 R)
• M6: 4,873,300 km (0.107 R)
• M7: 5,560,104 km (0.11 R)
• M8: 6,250,648 km (0.102 R)
• M9: 6,773,792 km (0.109 R)
• M10: 7,259,536 km (0.119 R)
• M11: 7,768,617 km (0.113 R)
• M12: 8,301,485 km (0.103 R)
• M13: 9,011,327 km (0.065 R)
• M14: 10,214,393 km (0.075 R)
• M15: 10,854,821 km (0.086 R)
• M16: 11,341,463 km (0.067 R)
• M17: 11,796,390 km (0.111 R)
• M18: 15,275,887 km (0.108 R)
• M19: 16,400,415 km (0.028 R)
• M20: 18,625,234 km (0.059 R)
• M21: 19,452,660 km (0.111 R)
• M22: 22,436,090 km (0.116 R)
• M23: 24,185,937 km (0.084 R)
• M24: 26,103,632 km (0.085 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 19,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit