🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.5

Radius: 12.2

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.65 AU - 1.03 AU

Year: 505 Days

Day: 5.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,554,740 km

• M1: 151,692 km (0.113 R)
• M2: 559,646 km (0.108 R)
• M3: 995,574 km (0.113 R)
• M4: 1,497,026 km (0.075 R)
• M5: 2,307,846 km (0.088 R)
• M6: 2,823,361 km (0.08 R)
• M7: 4,012,215 km (0.048 R)
• M8: 4,636,038 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758

Radius: 9.6

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.71 AU - 1.97 AU

Year: 1637 Days

Day: 10.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,554,740 km

• M1: 121,174 km (0.062 R)
• M2: 456,573 km (0.074 R)
• M3: 965,953 km (0.068 R)
• M4: 1,487,601 km (0.048 R)
• M5: 1,915,451 km (0.101 R)
• M6: 2,385,936 km (0.058 R)
• M7: 3,266,918 km (0.107 R)
• M8: 4,217,762 km (0.075 R)
• M9: 4,912,794 km (0.096 R)
• M10: 5,845,238 km (0.095 R)
• M11: 6,428,819 km (0.086 R)
• M12: 8,843,329 km (0.108 R)
• M13: 9,878,845 km (0.09 R)
• M14: 10,636,259 km (0.064 R)
• M15: 13,594,557 km (0.037 R)
• M16: 14,574,872 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.7

Radius: 9.5

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.05 AU - 2.91 AU

Year: 2562 Days

Day: 5.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,554,740 km

• M1: 118,182 km (0.067 R)
• M2: 473,178 km (0.026 R)
• M3: 1,074,711 km (0.093 R)
• M4: 1,373,009 km (0.076 R)
• M5: 1,879,248 km (0.098 R)
• M6: 2,237,236 km (0.044 R)
• M7: 2,580,264 km (0.118 R)
• M8: 2,958,447 km (0.114 R)
• M9: 4,539,099 km (0.093 R)
• M10: 5,117,145 km (0.085 R)
• M11: 5,461,669 km (0.076 R)
• M12: 6,061,706 km (0.06 R)
• M13: 6,647,232 km (0.077 R)
• M14: 8,029,067 km (0.056 R)
• M15: 8,632,096 km (0.108 R)
• M16: 9,121,880 km (0.117 R)
• M17: 10,042,505 km (0.081 R)
• M18: 10,545,004 km (0.085 R)
• M19: 14,302,903 km (0.103 R)
• M20: 14,790,891 km (0.112 R)
• M21: 16,800,738 km (0.114 R)
• M22: 18,181,078 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.2

Radius: 11.1

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.4 AU - 3.9 AU

Year: 3668 Days

Day: 5.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,554,740 km

• M1: 140,622 km (0.099 R)
• M2: 581,487 km (0.061 R)
• M3: 1,083,837 km (0.067 R)
• M4: 1,503,309 km (0.076 R)
• M5: 2,784,316 km (0.063 R)
• M6: 3,961,352 km (0.09 R)
• M7: 4,361,376 km (0.1 R)
• M8: 4,942,564 km (0.113 R)
• M9: 5,920,336 km (0.108 R)
• M10: 6,465,919 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.2

Radius: 8.4

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.58 AU - 4.46 AU

Year: 5287 Days

Day: 10.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,554,740 km

• M1: 104,569 km (0.104 R)
• M2: 426,055 km (0.099 R)
• M3: 795,262 km (0.098 R)
• M4: 1,180,327 km (0.058 R)
• M5: 1,507,498 km (0.117 R)
• M6: 2,981,934 km (0.101 R)
• M7: 5,376,547 km (0.057 R)
• M8: 6,042,108 km (0.063 R)
• M9: 6,696,599 km (0.073 R)
• M10: 8,407,101 km (0.075 R)
• M11: 9,587,877 km (0.119 R)
• M12: 9,920,583 km (0.098 R)
• M13: 10,609,182 km (0.076 R)
• M14: 11,937,910 km (0.063 R)
• M15: 13,017,558 km (0.054 R)
• M16: 16,174,073 km (0.102 R)
• M17: 17,617,692 km (0.119 R)
• M18: 18,054,518 km (0.116 R)
• M19: 18,562,553 km (0.111 R)
• M20: 19,276,583 km (0.05 R)
• M21: 20,967,189 km (0.101 R)
• M22: 22,027,838 km (0.106 R)
• M23: 23,723,081 km (0.079 R)
• M24: 27,287,998 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 235.9

Radius: 3.3

Gravity: 21.66 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.97 AU - 7.31 AU

Year: 9981 Days

Day: 15.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,554,740 km

• M1: 43,832 km (0.07 R)
• M2: 178,321 km (0.101 R)
• M3: 325,525 km (0.05 R)
• M4: 515,963 km (0.065 R)
• M5: 850,015 km (0.085 R)
• M6: 1,234,482 km (0.085 R)
• M7: 1,953,599 km (0.104 R)
• M8: 2,090,780 km (0.064 R)
• M9: 4,539,099 km (0.088 R)
• M10: 5,466,157 km (0.114 R)
• M11: 6,313,030 km (0.116 R)
• M12: 7,685,441 km (0.118 R)
• M13: 8,381,221 km (0.067 R)
• M14: 9,588,775 km (0.031 R)
• M15: 13,078,444 km (0.096 R)
• M16: 13,511,829 km (0.072 R)
• M17: 15,460,641 km (0.089 R)
• M18: 17,264,492 km (0.099 R)
• M19: 18,996,686 km (0.114 R)
• M20: 19,203,729 km (0.045 R)
• M21: 20,841,377 km (0.108 R)
• M22: 30,533,524 km (0.079 R)
• M23: 31,487,360 km (0.056 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 14,468 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit