🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.8

Radius: 12.1

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.6 AU - 0.84 AU

Year: 414 Days

Day: 14.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,741,916 km

• M1: 150,795 km (0.081 R)
• M2: 590,912 km (0.102 R)
• M3: 1,059,452 km (0.072 R)
• M4: 1,516,474 km (0.056 R)
• M5: 2,048,444 km (0.073 R)
• M6: 2,473,750 km (0.053 R)
• M7: 3,772,858 km (0.1 R)
• M8: 4,760,803 km (0.114 R)
• M9: 5,182,818 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.9

Radius: 9.6

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.65 AU - 1.07 AU

Year: 541 Days

Day: 7.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,741,916 km

• M1: 119,529 km (0.045 R)
• M2: 538,104 km (0.064 R)
• M3: 1,167,013 km (0.113 R)
• M4: 1,615,657 km (0.088 R)
• M5: 1,996,084 km (0.1 R)
• M6: 2,419,147 km (0.057 R)
• M7: 2,845,052 km (0.112 R)
• M8: 3,258,092 km (0.088 R)
• M9: 3,621,615 km (0.104 R)
• M10: 4,156,577 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.5

Radius: 13.8

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.92 AU - 1.08 AU

Year: 678 Days

Day: 12.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,741,916 km

• M1: 171,589 km (0.057 R)
• M2: 614,398 km (0.079 R)
• M3: 1,063,192 km (0.072 R)
• M4: 1,568,982 km (0.114 R)
• M5: 2,333,278 km (0.067 R)
• M6: 2,847,147 km (0.096 R)
• M7: 3,823,273 km (0.115 R)
• M8: 4,638,132 km (0.072 R)
• M9: 5,112,806 km (0.1 R)
• M10: 5,970,451 km (0.114 R)
• M11: 7,175,013 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.7

Radius: 8.2

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.22 AU - 1.62 AU

Year: 1148 Days

Day: 6.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,741,916 km

• M1: 102,026 km (0.118 R)
• M2: 364,420 km (0.102 R)
• M3: 621,130 km (0.045 R)
• M4: 934,089 km (0.071 R)
• M5: 1,479,972 km (0.039 R)
• M6: 1,853,966 km (0.085 R)
• M7: 2,278,974 km (0.103 R)
• M8: 3,281,579 km (0.047 R)
• M9: 3,546,367 km (0.112 R)
• M10: 4,237,659 km (0.099 R)
• M11: 5,131,506 km (0.045 R)
• M12: 6,014,732 km (0.059 R)
• M13: 6,688,670 km (0.09 R)
• M14: 7,974,614 km (0.069 R)
• M15: 8,239,552 km (0.072 R)
• M16: 8,648,253 km (0.069 R)
• M17: 10,768,653 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.7

Radius: 14.1

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.49 AU - 2.29 AU

Year: 1762 Days

Day: 10.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,741,916 km

• M1: 175,329 km (0.08 R)
• M2: 645,365 km (0.072 R)
• M3: 1,354,908 km (0.092 R)
• M4: 1,919,041 km (0.026 R)
• M5: 2,492,301 km (0.085 R)
• M6: 2,981,336 km (0.066 R)
• M7: 3,585,263 km (0.108 R)
• M8: 4,063,228 km (0.085 R)
• M9: 5,084,233 km (0.109 R)
• M10: 6,941,640 km (0.097 R)
• M11: 8,308,367 km (0.03 R)
• M12: 9,314,711 km (0.076 R)
• M13: 10,577,916 km (0.073 R)
• M14: 12,304,275 km (0.088 R)
• M15: 12,784,036 km (0.06 R)
• M16: 13,359,539 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.3

Radius: 9

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.71 AU - 5.55 AU

Year: 7881 Days

Day: 10.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,741,916 km

• M1: 112,797 km (0.119 R)
• M2: 438,471 km (0.084 R)
• M3: 951,442 km (0.118 R)
• M4: 1,235,978 km (0.076 R)
• M5: 1,565,243 km (0.108 R)
• M6: 2,229,756 km (0.032 R)
• M7: 2,986,721 km (0.063 R)
• M8: 4,403,264 km (0.114 R)
• M9: 5,274,671 km (0.112 R)
• M10: 6,573,779 km (0.098 R)
• M11: 7,088,546 km (0.106 R)
• M12: 8,578,839 km (0.085 R)
• M13: 9,059,647 km (0.109 R)
• M14: 10,267,799 km (0.111 R)
• M15: 12,551,561 km (0.085 R)
• M16: 13,000,504 km (0.069 R)
• M17: 18,670,413 km (0.072 R)
• M18: 20,462,745 km (0.092 R)
• M19: 21,799,851 km (0.114 R)
• M20: 22,943,975 km (0.11 R)
• M21: 26,800,309 km (0.112 R)
• M22: 31,272,238 km (0.109 R)
• M23: 32,726,180 km (0.036 R)
• M24: 33,791,915 km (0.111 R)
• M25: 40,070,538 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.8

Radius: 4.1

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.15 AU - 11.29 AU

Year: 22160 Days

Day: 15.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,741,916 km

• M1: 51,013 km (0.084 R)
• M2: 424,409 km (0.059 R)
• M3: 635,193 km (0.054 R)
• M4: 888,013 km (0.066 R)
• M5: 1,300,305 km (0.033 R)
• M6: 1,506,899 km (0.115 R)
• M7: 1,669,512 km (0.067 R)
• M8: 4,098,234 km (0.108 R)
• M9: 9,573,965 km (0.063 R)
• M10: 10,668,423 km (0.101 R)
• M11: 13,470,391 km (0.119 R)
• M12: 13,630,161 km (0.071 R)
• M13: 14,171,855 km (0.06 R)
• M14: 14,615,413 km (0.069 R)
• M15: 26,447,856 km (0.114 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 13,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit