🌌 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: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.2

Radius: 10.8

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.59 AU - 0.71 AU

Year: 362 Days

Day: 12.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,284,893 km

• M1: 134,339 km (0.114 R)
• M2: 492,327 km (0.114 R)
• M3: 1,216,380 km (0.1 R)
• M4: 1,712,148 km (0.027 R)
• M5: 2,259,676 km (0.036 R)
• M6: 2,978,494 km (0.032 R)
• M7: 3,530,959 km (0.093 R)
• M8: 3,913,032 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.5

Radius: 12.9

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.63 AU - 2.33 AU

Year: 1923 Days

Day: 13.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,284,893 km

• M1: 160,668 km (0.083 R)
• M2: 667,506 km (0.088 R)
• M3: 1,374,655 km (0.108 R)
• M4: 4,019,396 km (0.069 R)
• M5: 4,542,689 km (0.047 R)
• M6: 5,130,309 km (0.054 R)
• M7: 5,543,050 km (0.109 R)
• M8: 6,526,058 km (0.104 R)
• M9: 7,324,761 km (0.096 R)
• M10: 9,259,809 km (0.091 R)
• M11: 10,025,002 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.1

Radius: 13.8

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.2 AU - 4.12 AU

Year: 4833 Days

Day: 9.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,284,893 km

• M1: 171,738 km (0.074 R)
• M2: 651,050 km (0.089 R)
• M3: 1,276,668 km (0.089 R)
• M4: 1,706,762 km (0.079 R)
• M5: 2,138,352 km (0.079 R)
• M6: 3,138,264 km (0.101 R)
• M7: 3,593,790 km (0.082 R)
• M8: 4,093,895 km (0.066 R)
• M9: 5,006,592 km (0.096 R)
• M10: 6,341,005 km (0.089 R)
• M11: 9,546,588 km (0.083 R)
• M12: 12,687,545 km (0.084 R)
• M13: 13,606,525 km (0.114 R)
• M14: 14,057,114 km (0.096 R)
• M15: 15,577,327 km (0.104 R)
• M16: 17,146,609 km (0.115 R)
• M17: 21,867,170 km (0.043 R)
• M18: 22,486,355 km (0.103 R)
• M19: 23,759,882 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.9

Radius: 9.8

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.65 AU - 3.86 AU

Year: 5013 Days

Day: 10.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,284,893 km

• M1: 121,922 km (0.095 R)
• M2: 585,825 km (0.11 R)
• M3: 1,633,908 km (0.115 R)
• M4: 2,319,964 km (0.093 R)
• M5: 2,772,348 km (0.03 R)
• M6: 3,263,627 km (0.112 R)
• M7: 4,211,030 km (0.095 R)
• M8: 4,836,649 km (0.098 R)
• M9: 7,024,218 km (0.111 R)
• M10: 7,764,279 km (0.108 R)
• M11: 9,242,156 km (0.096 R)
• M12: 9,965,013 km (0.115 R)
• M13: 11,253,051 km (0.063 R)
• M14: 12,843,127 km (0.04 R)
• M15: 14,366,183 km (0.104 R)
• M16: 15,780,481 km (0.082 R)
• M17: 17,107,115 km (0.069 R)
• M18: 19,784,468 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790

Radius: 4

Gravity: 49.38 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.65 AU - 10.57 AU

Year: 20563 Days

Day: 15.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,284,893 km

• M1: 53,556 km (0.093 R)
• M2: 190,139 km (0.117 R)
• M3: 485,146 km (0.09 R)
• M4: 670,797 km (0.114 R)
• M5: 1,444,816 km (0.073 R)
• M6: 2,072,230 km (0.104 R)
• M7: 2,446,524 km (0.078 R)
• M8: 3,443,893 km (0.101 R)
• M9: 3,622,961 km (0.053 R)
• M10: 4,542,539 km (0.037 R)
• M11: 4,685,555 km (0.105 R)
• M12: 5,209,895 km (0.046 R)
• M13: 6,644,689 km (0.053 R)
• M14: 7,905,350 km (0.079 R)
• M15: 8,112,543 km (0.063 R)
• M16: 11,275,491 km (0.086 R)
• M17: 11,737,748 km (0.088 R)
• M18: 13,418,331 km (0.09 R)
• M19: 13,862,337 km (0.115 R)
• M20: 14,239,623 km (0.095 R)
• M21: 14,779,372 km (0.048 R)
• M22: 17,508,935 km (0.059 R)
• M23: 21,345,073 km (0.028 R)
• M24: 23,192,906 km (0.07 R)
• M25: 25,367,909 km (0.102 R)
• M26: 27,085,891 km (0.087 R)
• M27: 39,046,540 km (0.051 R)
• M28: 39,647,325 km (0.116 R)
• M29: 42,269,178 km (0.099 R)
• M30: 42,426,854 km (0.082 R)
• M31: 50,291,214 km (0.059 R)
• M32: 51,360,240 km (0.101 R)
• M33: 53,543,322 km (0.025 R)
• M34: 57,899,013 km (0.097 R)
• M35: 67,953,935 km (0.083 R)
• M36: 71,473,075 km (0.106 R)
• M37: 77,447,715 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 20,368 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit