🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.4

Radius: 10.3

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.96 AU - 1.18 AU

Year: 726 Days

Day: 14.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,205,477 km

• M1: 128,205 km (0.088 R)
• M2: 581,038 km (0.05 R)
• M3: 924,664 km (0.103 R)
• M4: 1,433,447 km (0.086 R)
• M5: 1,866,383 km (0.075 R)
• M6: 2,272,691 km (0.111 R)
• M7: 2,747,814 km (0.079 R)
• M8: 3,479,796 km (0.045 R)
• M9: 3,898,371 km (0.083 R)
• M10: 4,230,777 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.2

Radius: 11.8

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.49 AU - 2.23 AU

Year: 1664 Days

Day: 13.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,205,477 km

• M1: 146,756 km (0.062 R)
• M2: 640,578 km (0.092 R)
• M3: 1,103,883 km (0.055 R)
• M4: 1,652,009 km (0.12 R)
• M5: 2,030,342 km (0.087 R)
• M6: 2,722,831 km (0.106 R)
• M7: 3,600,821 km (0.093 R)
• M8: 4,498,707 km (0.034 R)
• M9: 5,183,566 km (0.062 R)
• M10: 5,794,524 km (0.12 R)
• M11: 7,491,861 km (0.098 R)
• M12: 9,798,361 km (0.119 R)
• M13: 10,913,613 km (0.053 R)
• M14: 12,345,714 km (0.119 R)
• M15: 12,782,839 km (0.082 R)
• M16: 13,687,906 km (0.099 R)
• M17: 14,285,849 km (0.074 R)
• M18: 14,679,441 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.3

Radius: 14.6

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.43 AU - 2.37 AU

Year: 1718 Days

Day: 7.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,205,477 km

• M1: 181,612 km (0.062 R)
• M2: 766,091 km (0.039 R)
• M3: 1,537,717 km (0.101 R)
• M4: 2,144,186 km (0.077 R)
• M5: 2,759,333 km (0.118 R)
• M6: 3,434,019 km (0.05 R)
• M7: 3,896,576 km (0.095 R)
• M8: 4,486,440 km (0.06 R)
• M9: 5,079,297 km (0.108 R)
• M10: 6,401,293 km (0.078 R)
• M11: 7,815,292 km (0.114 R)
• M12: 8,356,687 km (0.119 R)
• M13: 9,033,767 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.2

Radius: 11.3

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.78 AU - 2.04 AU

Year: 1732 Days

Day: 8.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,205,477 km

• M1: 140,622 km (0.119 R)
• M2: 902,674 km (0.096 R)
• M3: 1,425,518 km (0.1 R)
• M4: 2,080,607 km (0.1 R)
• M5: 2,468,215 km (0.1 R)
• M6: 3,033,097 km (0.099 R)
• M7: 3,976,162 km (0.089 R)
• M8: 4,531,918 km (0.11 R)
• M9: 5,453,291 km (0.059 R)
• M10: 6,336,068 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.2

Radius: 8.3

Gravity: 11.82 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.79 AU - 2.13 AU

Year: 1800 Days

Day: 12 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,205,477 km

• M1: 103,372 km (0.094 R)
• M2: 550,670 km (0.051 R)
• M3: 917,933 km (0.114 R)
• M4: 1,252,882 km (0.1 R)
• M5: 1,539,811 km (0.114 R)
• M6: 3,097,574 km (0.057 R)
• M7: 4,048,866 km (0.084 R)
• M8: 4,419,121 km (0.057 R)
• M9: 6,031,936 km (0.057 R)
• M10: 6,541,915 km (0.118 R)
• M11: 7,025,266 km (0.092 R)
• M12: 9,636,347 km (0.079 R)
• M13: 9,946,014 km (0.094 R)
• M14: 10,298,018 km (0.087 R)
• M15: 10,878,308 km (0.081 R)
• M16: 11,518,587 km (0.103 R)
• M17: 12,709,536 km (0.067 R)
• M18: 13,719,920 km (0.1 R)
• M19: 14,782,813 km (0.12 R)
• M20: 15,521,228 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.3

Radius: 13.3

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 5.23 AU - 5.59 AU

Year: 8255 Days

Day: 14 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,205,477 km

• M1: 165,455 km (0.086 R)
• M2: 746,344 km (0.049 R)
• M3: 1,179,280 km (0.117 R)
• M4: 1,733,091 km (0.11 R)
• M5: 3,191,072 km (0.095 R)
• M6: 4,237,509 km (0.114 R)
• M7: 4,678,075 km (0.104 R)
• M8: 5,149,458 km (0.104 R)
• M9: 5,931,855 km (0.106 R)
• M10: 7,546,465 km (0.065 R)
• M11: 8,435,824 km (0.093 R)
• M12: 9,832,769 km (0.112 R)
• M13: 10,751,449 km (0.082 R)
• M14: 11,776,793 km (0.092 R)
• M15: 12,706,694 km (0.075 R)
• M16: 14,479,877 km (0.065 R)
• M17: 17,705,207 km (0.109 R)
• M18: 18,376,303 km (0.098 R)
• M19: 28,078,324 km (0.067 R)
• M20: 29,548,721 km (0.079 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 20,008 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit