🌌 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: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.3

Radius: 12.9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.48 AU - 0.78 AU

Year: 345 Days

Day: 7.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 42,423,774 km

• M1: 160,668 km (0.095 R)
• M2: 749,485 km (0.106 R)
• M3: 1,208,003 km (0.108 R)
• M4: 1,634,357 km (0.078 R)
• M5: 3,593,191 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.1

Radius: 8.9

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.81 AU - 0.91 AU

Year: 551 Days

Day: 11.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,423,774 km

• M1: 110,702 km (0.097 R)
• M2: 392,994 km (0.096 R)
• M3: 902,524 km (0.119 R)
• M4: 1,250,489 km (0.098 R)
• M5: 1,535,772 km (0.118 R)
• M6: 1,843,195 km (0.094 R)
• M7: 2,529,401 km (0.055 R)
• M8: 2,901,600 km (0.096 R)
• M9: 3,365,204 km (0.11 R)
• M10: 3,841,075 km (0.069 R)
• M11: 4,140,121 km (0.036 R)
• M12: 4,728,938 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.6

Radius: 10.6

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.88 AU - 1 AU

Year: 629 Days

Day: 8.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,423,774 km

• M1: 131,945 km (0.104 R)
• M2: 596,596 km (0.088 R)
• M3: 929,452 km (0.108 R)
• M4: 1,298,958 km (0.093 R)
• M5: 1,730,249 km (0.109 R)
• M6: 2,548,549 km (0.083 R)
• M7: 3,073,787 km (0.066 R)
• M8: 3,520,187 km (0.114 R)
• M9: 5,062,242 km (0.065 R)
• M10: 5,418,136 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.7

Radius: 9.3

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.3 AU - 1.66 AU

Year: 1243 Days

Day: 8.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,423,774 km

• M1: 118,631 km (0.087 R)
• M2: 416,331 km (0.079 R)
• M3: 876,943 km (0.1 R)
• M4: 1,474,586 km (0.078 R)
• M5: 1,943,127 km (0.071 R)
• M6: 2,473,302 km (0.09 R)
• M7: 3,365,802 km (0.102 R)
• M8: 3,665,746 km (0.067 R)
• M9: 5,283,498 km (0.119 R)
• M10: 6,139,646 km (0.107 R)
• M11: 7,182,792 km (0.115 R)
• M12: 8,394,086 km (0.081 R)
• M13: 8,835,998 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.3

Radius: 8.6

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.22 AU - 2.24 AU

Year: 2299 Days

Day: 13.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,423,774 km

• M1: 107,411 km (0.083 R)
• M2: 444,156 km (0.09 R)
• M3: 800,049 km (0.113 R)
• M4: 1,455,288 km (0.06 R)
• M5: 1,782,159 km (0.036 R)
• M6: 2,186,074 km (0.058 R)
• M7: 2,512,795 km (0.117 R)
• M8: 3,046,561 km (0.092 R)
• M9: 3,404,249 km (0.107 R)
• M10: 3,972,272 km (0.064 R)
• M11: 4,415,680 km (0.076 R)
• M12: 6,174,203 km (0.048 R)
• M13: 6,487,312 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.7

Radius: 12.5

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2 AU - 2.7 AU

Year: 2487 Days

Day: 9.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,423,774 km

• M1: 155,881 km (0.108 R)
• M2: 561,890 km (0.089 R)
• M3: 977,622 km (0.084 R)
• M4: 1,572,573 km (0.11 R)
• M5: 2,352,127 km (0.061 R)
• M6: 2,768,757 km (0.088 R)
• M7: 3,736,506 km (0.088 R)
• M8: 5,974,041 km (0.109 R)
• M9: 6,784,263 km (0.08 R)
• M10: 7,418,558 km (0.07 R)
• M11: 11,529,059 km (0.082 R)
• M12: 12,706,095 km (0.111 R)
• M13: 13,795,018 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.4

Radius: 5.4

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.01 AU - 7.35 AU

Year: 11917 Days

Day: 22.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,423,774 km

• M1: 69,264 km (0.103 R)
• M2: 318,344 km (0.104 R)
• M3: 524,341 km (0.102 R)
• M4: 1,329,027 km (0.08 R)
• M5: 1,836,912 km (0.06 R)
• M6: 2,212,702 km (0.034 R)
• M7: 2,757,687 km (0.05 R)
• M8: 4,189,937 km (0.109 R)
• M9: 4,492,873 km (0.109 R)
• M10: 5,019,906 km (0.102 R)
• M11: 6,373,019 km (0.11 R)
• M12: 16,544,627 km (0.098 R)
• M13: 18,587,386 km (0.092 R)
• M14: 21,109,606 km (0.084 R)
• M15: 23,335,921 km (0.095 R)
• M16: 25,172,086 km (0.115 R)
• M17: 25,623,123 km (0.108 R)
• M18: 26,727,305 km (0.102 R)
• M19: 27,008,400 km (0.096 R)
• M20: 33,049,760 km (0.043 R)
• M21: 33,265,331 km (0.111 R)
• M22: 34,912,104 km (0.086 R)
• M23: 35,698,989 km (0.1 R)
• M24: 36,153,766 km (0.082 R)
• M25: 38,964,561 km (0.065 R)
• M26: 40,177,500 km (0.118 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: 249 - 16,598 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit