🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.3

Radius: 13.4

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.51 AU - 0.81 AU

Year: 370 Days

Day: 14 Hours

Environment

Temp: -160 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 43,991,867 km

• M1: 166,951 km (0.09 R)
• M2: 971,489 km (0.097 R)
• M3: 1,898,547 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.5

Radius: 10.9

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.76 AU - 0.92 AU

Year: 531 Days

Day: 5.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,991,867 km

• M1: 135,536 km (0.116 R)
• M2: 485,295 km (0.063 R)
• M3: 860,337 km (0.105 R)
• M4: 1,201,570 km (0.099 R)
• M5: 1,636,002 km (0.059 R)
• M6: 2,018,524 km (0.113 R)
• M7: 2,534,038 km (0.051 R)
• M8: 3,692,225 km (0.104 R)
• M9: 4,770,826 km (0.097 R)
• M10: 5,277,962 km (0.09 R)
• M11: 6,725,172 km (0.04 R)
• M12: 7,298,132 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.4

Radius: 13.8

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.79 AU - 2.23 AU

Year: 1967 Days

Day: 13.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,991,867 km

• M1: 171,589 km (0.057 R)
• M2: 667,655 km (0.09 R)
• M3: 1,143,825 km (0.092 R)
• M4: 1,612,665 km (0.109 R)
• M5: 2,349,285 km (0.12 R)
• M6: 3,155,468 km (0.102 R)
• M7: 3,672,029 km (0.116 R)
• M8: 4,174,678 km (0.047 R)
• M9: 4,877,339 km (0.06 R)
• M10: 5,465,857 km (0.117 R)
• M11: 6,262,017 km (0.043 R)
• M12: 6,859,511 km (0.045 R)
• M13: 7,679,607 km (0.116 R)
• M14: 8,113,740 km (0.108 R)
• M15: 10,049,237 km (0.102 R)
• M16: 10,635,960 km (0.101 R)
• M17: 11,073,833 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.4

Radius: 9.1

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.4 AU - 3.62 AU

Year: 3605 Days

Day: 5.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,991,867 km

• M1: 113,694 km (0.062 R)
• M2: 421,716 km (0.097 R)
• M3: 956,978 km (0.101 R)
• M4: 1,843,046 km (0.117 R)
• M5: 2,405,683 km (0.09 R)
• M6: 4,033,458 km (0.114 R)
• M7: 4,327,268 km (0.06 R)
• M8: 4,613,000 km (0.066 R)
• M9: 5,649,713 km (0.11 R)
• M10: 9,613,458 km (0.12 R)
• M11: 11,047,952 km (0.109 R)
• M12: 12,708,938 km (0.108 R)
• M13: 15,174,161 km (0.113 R)
• M14: 18,111,066 km (0.109 R)
• M15: 18,395,452 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.7

Radius: 12.5

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.71 AU - 4.05 AU

Year: 5275 Days

Day: 13.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,991,867 km

• M1: 159,471 km (0.097 R)
• M2: 569,369 km (0.053 R)
• M3: 1,522,458 km (0.059 R)
• M4: 2,006,257 km (0.062 R)
• M5: 2,578,020 km (0.056 R)
• M6: 3,222,787 km (0.115 R)
• M7: 4,275,208 km (0.112 R)
• M8: 5,643,879 km (0.111 R)
• M9: 6,186,321 km (0.077 R)
• M10: 7,836,236 km (0.054 R)
• M11: 9,908,615 km (0.053 R)
• M12: 10,894,615 km (0.1 R)
• M13: 11,655,619 km (0.104 R)
• M14: 13,690,898 km (0.059 R)
• M15: 14,199,680 km (0.113 R)
• M16: 16,465,041 km (0.097 R)
• M17: 16,882,269 km (0.067 R)
• M18: 18,904,982 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.4

Radius: 10.1

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.61 AU - 4.87 AU

Year: 6026 Days

Day: 9.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,991,867 km

• M1: 125,662 km (0.065 R)
• M2: 470,784 km (0.093 R)
• M3: 911,500 km (0.057 R)
• M4: 1,316,461 km (0.099 R)
• M5: 1,993,092 km (0.106 R)
• M6: 2,354,521 km (0.091 R)
• M7: 3,668,589 km (0.109 R)
• M8: 4,074,448 km (0.069 R)
• M9: 5,561,750 km (0.101 R)
• M10: 6,412,214 km (0.086 R)
• M11: 9,993,287 km (0.092 R)
• M12: 10,429,814 km (0.112 R)
• M13: 13,165,959 km (0.098 R)
• M14: 15,932,173 km (0.071 R)
• M15: 16,589,057 km (0.081 R)
• M16: 20,078,577 km (0.049 R)
• M17: 21,486,443 km (0.038 R)
• M18: 21,921,474 km (0.101 R)
• M19: 23,110,029 km (0.115 R)
• M20: 24,497,998 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863

Radius: 11.7

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.61 AU - 5.49 AU

Year: 7833 Days

Day: 12 Hours

Environment

Temp: -233 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,991,867 km

• M1: 145,559 km (0.06 R)
• M2: 881,131 km (0.033 R)
• M3: 1,271,133 km (0.084 R)
• M4: 1,650,663 km (0.089 R)
• M5: 3,607,403 km (0.12 R)
• M6: 4,874,347 km (0.091 R)
• M7: 5,495,777 km (0.07 R)
• M8: 7,165,439 km (0.078 R)
• M9: 8,308,367 km (0.101 R)
• M10: 9,711,295 km (0.098 R)
• M11: 13,871,463 km (0.103 R)
• M12: 15,509,410 km (0.038 R)
• M13: 17,062,684 km (0.053 R)
• M14: 18,495,533 km (0.086 R)
• M15: 19,241,428 km (0.052 R)
• M16: 22,343,190 km (0.114 R)
• M17: 24,498,297 km (0.09 R)
• M18: 26,506,499 km (0.076 R)
• M19: 27,937,103 km (0.034 R)
• M20: 28,622,112 km (0.081 R)
• M21: 33,514,710 km (0.064 R)
• M22: 36,215,999 km (0.115 R)
• M23: 37,383,311 km (0.057 R)
• M24: 38,455,030 km (0.113 R)
• M25: 40,784,867 km (0.091 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 16,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit