🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.4

Radius: 11.5

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.67 AU - 0.83 AU

Year: 419 Days

Day: 9.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,499,016 km

• M1: 143,016 km (0.113 R)
• M2: 625,768 km (0.103 R)
• M3: 1,030,729 km (0.103 R)
• M4: 1,426,416 km (0.116 R)
• M5: 2,016,430 km (0.091 R)
• M6: 2,386,834 km (0.078 R)
• M7: 2,942,291 km (0.11 R)
• M8: 3,844,366 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.9

Radius: 10.2

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.28 AU - 1.4 AU

Year: 1002 Days

Day: 13.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,499,016 km

• M1: 126,859 km (0.027 R)
• M2: 741,257 km (0.087 R)
• M3: 1,086,081 km (0.108 R)
• M4: 1,862,942 km (0.115 R)
• M5: 2,778,182 km (0.061 R)
• M6: 3,454,364 km (0.102 R)
• M7: 3,771,961 km (0.086 R)
• M8: 4,204,598 km (0.107 R)
• M9: 4,844,727 km (0.087 R)
• M10: 5,319,251 km (0.076 R)
• M11: 6,576,771 km (0.085 R)
• M12: 7,416,165 km (0.107 R)
• M13: 9,034,365 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.7

Radius: 11.5

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.43 AU - 1.71 AU

Year: 1270 Days

Day: 13.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,499,016 km

• M1: 143,016 km (0.092 R)
• M2: 519,703 km (0.12 R)
• M3: 1,016,817 km (0.098 R)
• M4: 1,731,147 km (0.101 R)
• M5: 2,173,358 km (0.091 R)
• M6: 2,664,936 km (0.065 R)
• M7: 3,230,117 km (0.061 R)
• M8: 3,628,945 km (0.102 R)
• M9: 4,043,481 km (0.032 R)
• M10: 4,773,219 km (0.078 R)
• M11: 5,418,285 km (0.115 R)
• M12: 5,806,342 km (0.118 R)
• M13: 7,495,452 km (0.04 R)
• M14: 8,033,256 km (0.091 R)
• M15: 9,491,087 km (0.09 R)
• M16: 9,992,839 km (0.087 R)
• M17: 11,429,726 km (0.057 R)
• M18: 12,106,806 km (0.103 R)

Asteroid Belt

Center: 1.91 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.4

Radius: 13.2

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.16 AU - 2.34 AU

Year: 2179 Days

Day: 6.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,499,016 km

• M1: 164,109 km (0.096 R)
• M2: 635,043 km (0.106 R)
• M3: 1,050,476 km (0.077 R)
• M4: 1,917,097 km (0.115 R)
• M5: 2,507,859 km (0.089 R)
• M6: 3,032,798 km (0.051 R)
• M7: 3,511,660 km (0.059 R)
• M8: 4,078,337 km (0.105 R)
• M9: 4,644,116 km (0.075 R)
• M10: 5,086,178 km (0.089 R)
• M11: 6,821,065 km (0.114 R)
• M12: 8,545,030 km (0.104 R)
• M13: 9,508,740 km (0.089 R)
• M14: 10,086,188 km (0.064 R)
• M15: 11,088,344 km (0.07 R)
• M16: 12,116,680 km (0.093 R)
• M17: 13,927,263 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.4

Radius: 11.2

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.66 AU - 5.32 AU

Year: 6143 Days

Day: 12.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,499,016 km

• M1: 139,276 km (0.052 R)
• M2: 612,454 km (0.079 R)
• M3: 1,162,226 km (0.067 R)
• M4: 2,074,025 km (0.054 R)
• M5: 2,456,696 km (0.094 R)
• M6: 2,847,296 km (0.061 R)
• M7: 3,215,157 km (0.085 R)
• M8: 3,614,883 km (0.114 R)
• M9: 4,932,391 km (0.081 R)
• M10: 5,284,395 km (0.118 R)
• M11: 5,716,434 km (0.085 R)
• M12: 6,408,623 km (0.098 R)
• M13: 7,685,740 km (0.099 R)
• M14: 8,241,646 km (0.1 R)
• M15: 9,794,771 km (0.064 R)
• M16: 11,081,612 km (0.084 R)
• M17: 11,843,663 km (0.051 R)
• M18: 12,424,253 km (0.087 R)
• M19: 13,472,036 km (0.061 R)
• M20: 15,183,436 km (0.091 R)
• M21: 15,680,101 km (0.067 R)
• M22: 16,123,509 km (0.081 R)
• M23: 17,707,601 km (0.114 R)
• M24: 21,106,315 km (0.084 R)
• M25: 22,435,791 km (0.079 R)
• M26: 25,347,863 km (0.095 R)
• M27: 27,029,942 km (0.065 R)
• M28: 31,810,042 km (0.081 R)
• M29: 32,932,625 km (0.118 R)
• M30: 36,128,035 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.1

Radius: 7.9

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.66 AU - 10.96 AU

Year: 18342 Days

Day: 16.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,499,016 km

• M1: 98,286 km (0.11 R)
• M2: 867,069 km (0.109 R)
• M3: 1,688,661 km (0.086 R)
• M4: 2,114,416 km (0.094 R)
• M5: 2,410,770 km (0.103 R)
• M6: 5,165,764 km (0.104 R)
• M7: 6,398,301 km (0.116 R)
• M8: 6,902,595 km (0.073 R)
• M9: 9,481,363 km (0.108 R)
• M10: 18,290,135 km (0.064 R)
• M11: 26,883,336 km (0.091 R)
• M12: 38,078,792 km (0.056 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 18,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit