🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.5

Radius: 9.5

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.7 AU - 0.98 AU

Year: 505 Days

Day: 12.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,306,809 km

• M1: 118,482 km (0.115 R)
• M2: 499,956 km (0.061 R)
• M3: 797,357 km (0.096 R)
• M4: 1,139,936 km (0.099 R)
• M5: 2,276,580 km (0.096 R)
• M6: 2,804,960 km (0.106 R)
• M7: 3,549,509 km (0.078 R)
• M8: 4,030,915 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.5

Radius: 9.9

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.25 AU - 1.35 AU

Year: 972 Days

Day: 9.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,306,809 km

• M1: 123,119 km (0.103 R)
• M2: 461,360 km (0.034 R)
• M3: 816,655 km (0.054 R)
• M4: 1,194,240 km (0.113 R)
• M5: 1,950,307 km (0.047 R)
• M6: 2,510,252 km (0.065 R)
• M7: 3,065,111 km (0.043 R)
• M8: 3,400,958 km (0.032 R)
• M9: 4,097,934 km (0.052 R)
• M10: 4,436,923 km (0.084 R)
• M11: 5,018,709 km (0.105 R)
• M12: 5,447,606 km (0.079 R)
• M13: 6,050,187 km (0.053 R)
• M14: 7,290,203 km (0.06 R)
• M15: 7,841,322 km (0.089 R)
• M16: 8,998,611 km (0.117 R)
• M17: 9,457,129 km (0.064 R)
• M18: 9,841,146 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.2

Radius: 10.9

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.22 AU - 1.42 AU

Year: 995 Days

Day: 5.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,306,809 km

• M1: 135,536 km (0.1 R)
• M2: 555,457 km (0.079 R)
• M3: 913,145 km (0.059 R)
• M4: 1,310,926 km (0.064 R)
• M5: 1,959,134 km (0.1 R)
• M6: 3,044,765 km (0.104 R)
• M7: 3,421,303 km (0.091 R)
• M8: 3,956,116 km (0.07 R)
• M9: 4,652,793 km (0.098 R)
• M10: 5,817,562 km (0.116 R)
• M11: 6,468,462 km (0.097 R)
• M12: 7,967,134 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216

Radius: 10.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.57 AU - 2.07 AU

Year: 1611 Days

Day: 9.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,306,809 km

• M1: 134,339 km (0.105 R)
• M2: 482,902 km (0.092 R)
• M3: 855,101 km (0.091 R)
• M4: 1,247,945 km (0.104 R)
• M5: 1,879,548 km (0.114 R)
• M6: 2,572,934 km (0.107 R)
• M7: 3,659,613 km (0.073 R)
• M8: 4,706,199 km (0.119 R)
• M9: 6,066,194 km (0.11 R)
• M10: 6,668,923 km (0.039 R)
• M11: 7,894,280 km (0.06 R)
• M12: 8,299,839 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436

Radius: 11

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.1 AU - 3.38 AU

Year: 2975 Days

Day: 12.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,306,809 km

• M1: 136,732 km (0.072 R)
• M2: 520,301 km (0.082 R)
• M3: 885,769 km (0.056 R)
• M4: 1,235,529 km (0.082 R)
• M5: 2,141,344 km (0.109 R)
• M6: 2,929,874 km (0.088 R)
• M7: 3,586,160 km (0.101 R)
• M8: 3,959,556 km (0.107 R)
• M9: 4,568,420 km (0.052 R)
• M10: 5,356,801 km (0.065 R)
• M11: 5,973,593 km (0.117 R)
• M12: 6,446,621 km (0.111 R)
• M13: 9,901,883 km (0.062 R)
• M14: 10,453,151 km (0.062 R)
• M15: 11,982,640 km (0.051 R)
• M16: 12,608,857 km (0.096 R)
• M17: 13,522,152 km (0.107 R)
• M18: 17,198,669 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.8

Radius: 9.8

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.39 AU - 4.85 AU

Year: 6514 Days

Day: 8.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 40,306,809 km

• M1: 130,150 km (0.105 R)
• M2: 617,241 km (0.091 R)
• M3: 1,273,227 km (0.105 R)
• M4: 1,919,640 km (0.091 R)
• M5: 2,361,851 km (0.116 R)
• M6: 3,206,630 km (0.07 R)
• M7: 4,320,686 km (0.071 R)
• M8: 4,734,773 km (0.056 R)
• M9: 5,515,374 km (0.062 R)
• M10: 9,838,753 km (0.051 R)
• M11: 10,217,983 km (0.039 R)
• M12: 10,557,720 km (0.048 R)
• M13: 10,955,202 km (0.081 R)
• M14: 11,727,426 km (0.06 R)
• M15: 12,646,106 km (0.095 R)
• M16: 13,495,972 km (0.036 R)
• M17: 14,872,272 km (0.074 R)
• M18: 15,690,273 km (0.105 R)
• M19: 16,405,800 km (0.069 R)
• M20: 20,696,566 km (0.026 R)
• M21: 25,150,544 km (0.071 R)
• M22: 26,766,649 km (0.114 R)
• M23: 27,976,298 km (0.12 R)
• M24: 30,805,194 km (0.085 R)
• M25: 31,311,433 km (0.109 R)
• M26: 32,133,174 km (0.119 R)
• M27: 32,653,924 km (0.103 R)
• M28: 34,034,264 km (0.119 R)
• M29: 35,232,393 km (0.108 R)
• M30: 35,563,902 km (0.09 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 17,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit