🌌 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: 291.7

Radius: 13.7

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.66 AU - 0.78 AU

Year: 422 Days

Day: 11.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,970,519 km

• M1: 170,691 km (0.086 R)
• M2: 649,404 km (0.051 R)
• M3: 1,166,265 km (0.08 R)
• M4: 1,629,121 km (0.111 R)
• M5: 2,418,250 km (0.096 R)
• M6: 2,887,837 km (0.089 R)
• M7: 3,397,368 km (0.1 R)
• M8: 4,097,934 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.1

Radius: 9.9

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.64 AU - 0.84 AU

Year: 439 Days

Day: 14.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,970,519 km

• M1: 123,418 km (0.09 R)
• M2: 493,523 km (0.114 R)
• M3: 934,837 km (0.116 R)
• M4: 1,303,596 km (0.051 R)
• M5: 1,739,075 km (0.061 R)
• M6: 2,288,698 km (0.035 R)
• M7: 2,640,851 km (0.068 R)
• M8: 3,213,961 km (0.093 R)
• M9: 3,530,510 km (0.06 R)
• M10: 3,989,775 km (0.102 R)
• M11: 4,533,264 km (0.077 R)
• M12: 5,076,753 km (0.084 R)
• M13: 5,768,195 km (0.056 R)
• M14: 6,275,631 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.2

Radius: 13.5

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.81 AU - 1.07 AU

Year: 629 Days

Day: 5 Hours

Environment

Temp: -182 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,970,519 km

• M1: 170,841 km (0.076 R)
• M2: 659,727 km (0.042 R)
• M3: 1,214,884 km (0.049 R)
• M4: 2,203,128 km (0.103 R)
• M5: 2,866,445 km (0.112 R)
• M6: 5,593,165 km (0.114 R)
• M7: 6,163,133 km (0.114 R)
• M8: 6,940,593 km (0.108 R)
• M9: 7,464,635 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.4

Radius: 12.5

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.83 AU - 3.07 AU

Year: 3497 Days

Day: 14.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,970,519 km

• M1: 156,479 km (0.103 R)
• M2: 688,898 km (0.075 R)
• M3: 1,824,196 km (0.037 R)
• M4: 2,716,997 km (0.094 R)
• M5: 5,614,109 km (0.087 R)
• M6: 8,017,399 km (0.104 R)
• M7: 8,980,211 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.8

Radius: 11.5

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.73 AU - 5.79 AU

Year: 7168 Days

Day: 11.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 32,970,519 km

• M1: 143,016 km (0.033 R)
• M2: 768,335 km (0.072 R)
• M3: 1,206,208 km (0.111 R)
• M4: 1,589,627 km (0.107 R)
• M5: 2,357,214 km (0.032 R)
• M6: 2,846,249 km (0.08 R)
• M7: 4,820,043 km (0.059 R)
• M8: 7,038,430 km (0.063 R)
• M9: 9,221,512 km (0.088 R)
• M10: 10,640,149 km (0.089 R)
• M11: 11,875,827 km (0.078 R)
• M12: 14,265,204 km (0.078 R)
• M13: 15,128,234 km (0.075 R)
• M14: 16,755,710 km (0.116 R)
• M15: 17,646,864 km (0.073 R)
• M16: 19,523,270 km (0.095 R)
• M17: 21,370,205 km (0.092 R)
• M18: 21,930,300 km (0.071 R)
• M19: 22,747,104 km (0.088 R)
• M20: 24,010,458 km (0.111 R)
• M21: 25,498,059 km (0.106 R)
• M22: 27,985,872 km (0.116 R)
• M23: 29,929,896 km (0.089 R)
• M24: 30,530,382 km (0.12 R)
• M25: 31,651,917 km (0.119 R)
• M26: 35,070,827 km (0.042 R)
• M27: 35,850,382 km (0.107 R)
• M28: 36,414,067 km (0.113 R)
• M29: 41,139,564 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.5

Radius: 4.2

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.23 AU - 6.23 AU

Year: 10734 Days

Day: 17.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,970,519 km

• M1: 56,548 km (0.042 R)
• M2: 205,547 km (0.091 R)
• M3: 1,719,628 km (0.104 R)
• M4: 2,615,120 km (0.101 R)
• M5: 2,894,719 km (0.109 R)
• M6: 3,298,334 km (0.088 R)
• M7: 5,439,827 km (0.102 R)
• M8: 6,375,861 km (0.117 R)
• M9: 7,269,709 km (0.103 R)
• M10: 8,722,005 km (0.107 R)
• M11: 9,218,221 km (0.084 R)
• M12: 9,602,388 km (0.108 R)
• M13: 11,636,022 km (0.115 R)
• M14: 18,069,777 km (0.114 R)
• M15: 24,210,022 km (0.109 R)
• M16: 24,858,529 km (0.068 R)
• M17: 30,375,548 km (0.081 R)
• M18: 31,992,851 km (0.1 R)
• M19: 32,970,473 km (0.079 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: 498 - 20,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit