🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.5

Radius: 14.7

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.52 AU - 0.56 AU

Year: 274 Days

Day: 10.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,196,547 km

• M1: 182,809 km (0.116 R)
• M2: 703,708 km (0.09 R)
• M3: 1,214,884 km (0.119 R)
• M4: 1,757,775 km (0.066 R)
• M5: 2,229,756 km (0.116 R)
• M6: 2,796,732 km (0.09 R)
• M7: 3,812,502 km (0.064 R)
• M8: 4,312,757 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.1

Radius: 8.3

Gravity: 13.97 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.68 AU - 0.7 AU

Year: 396 Days

Day: 11 Hours

Environment

Temp: -159 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,196,547 km

• M1: 103,223 km (0.051 R)
• M2: 368,310 km (0.105 R)
• M3: 628,909 km (0.091 R)
• M4: 990,188 km (0.108 R)
• M5: 1,292,974 km (0.065 R)
• M6: 1,873,414 km (0.096 R)
• M7: 2,260,125 km (0.05 R)
• M8: 2,607,192 km (0.093 R)
• M9: 3,023,074 km (0.117 R)
• M10: 3,300,727 km (0.11 R)
• M11: 3,570,004 km (0.048 R)
• M12: 4,125,460 km (0.038 R)
• M13: 4,526,981 km (0.119 R)
• M14: 5,161,725 km (0.071 R)
• M15: 5,731,992 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.7

Radius: 14

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.98 AU - 1.18 AU

Year: 775 Days

Day: 9.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,196,547 km

• M1: 174,132 km (0.07 R)
• M2: 653,144 km (0.054 R)
• M3: 1,142,778 km (0.091 R)
• M4: 1,584,690 km (0.041 R)
• M5: 2,061,459 km (0.031 R)
• M6: 2,613,774 km (0.049 R)
• M7: 4,079,833 km (0.062 R)
• M8: 4,568,121 km (0.078 R)
• M9: 6,234,342 km (0.12 R)
• M10: 7,581,171 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.4

Radius: 9.4

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.39 AU - 2.15 AU

Year: 1625 Days

Day: 8 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,196,547 km

• M1: 128,505 km (0.118 R)
• M2: 579,093 km (0.105 R)
• M3: 1,059,452 km (0.09 R)
• M4: 1,661,883 km (0.115 R)
• M5: 1,985,313 km (0.047 R)
• M6: 2,301,264 km (0.108 R)
• M7: 2,664,637 km (0.062 R)
• M8: 3,006,468 km (0.104 R)
• M9: 4,231,226 km (0.079 R)
• M10: 6,870,133 km (0.119 R)
• M11: 8,624,018 km (0.041 R)
• M12: 8,963,755 km (0.109 R)
• M13: 9,936,291 km (0.082 R)
• M14: 11,340,416 km (0.059 R)
• M15: 13,398,883 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.1

Radius: 9.1

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.76 AU - 2.84 AU

Year: 3234 Days

Day: 11.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,196,547 km

• M1: 113,246 km (0.073 R)
• M2: 642,972 km (0.091 R)
• M3: 1,259,614 km (0.07 R)
• M4: 1,745,508 km (0.064 R)
• M5: 2,339,860 km (0.061 R)
• M6: 3,003,925 km (0.098 R)
• M7: 3,372,534 km (0.108 R)
• M8: 4,182,756 km (0.113 R)
• M9: 4,804,784 km (0.07 R)
• M10: 5,310,874 km (0.071 R)
• M11: 7,393,576 km (0.04 R)
• M12: 8,361,923 km (0.094 R)
• M13: 8,784,237 km (0.101 R)
• M14: 9,284,493 km (0.091 R)
• M15: 10,341,701 km (0.104 R)
• M16: 10,653,014 km (0.106 R)
• M17: 11,149,679 km (0.044 R)
• M18: 12,537,199 km (0.118 R)
• M19: 12,931,090 km (0.068 R)
• M20: 13,827,032 km (0.045 R)
• M21: 14,162,879 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.9

Radius: 8.5

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.84 AU - 4.28 AU

Year: 4636 Days

Day: 6.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 24,196,547 km

• M1: 105,915 km (0.067 R)
• M2: 402,717 km (0.109 R)
• M3: 1,103,583 km (0.112 R)
• M4: 1,396,496 km (0.114 R)
• M5: 1,741,918 km (0.116 R)
• M6: 2,360,056 km (0.109 R)
• M7: 3,591,695 km (0.112 R)
• M8: 4,450,836 km (0.099 R)
• M9: 5,283,348 km (0.114 R)
• M10: 6,969,017 km (0.063 R)
• M11: 7,481,838 km (0.069 R)
• M12: 8,158,170 km (0.117 R)
• M13: 9,210,442 km (0.115 R)
• M14: 9,671,353 km (0.093 R)
• M15: 12,347,958 km (0.11 R)
• M16: 14,952,756 km (0.059 R)
• M17: 15,322,113 km (0.115 R)
• M18: 16,189,482 km (0.114 R)
• M19: 17,089,014 km (0.092 R)
• M20: 17,667,957 km (0.039 R)
• M21: 18,379,894 km (0.109 R)
• M22: 19,734,502 km (0.055 R)
• M23: 20,243,135 km (0.095 R)
• M24: 20,630,444 km (0.117 R)
• M25: 21,419,722 km (0.102 R)
• M26: 21,754,522 km (0.118 R)
• M27: 23,980,389 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 12,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit