🌌 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: 539.6

Radius: 12.8

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.48 AU - 0.6 AU

Year: 269 Days

Day: 9.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,971,997 km

• M1: 159,172 km (0.116 R)
• M2: 653,593 km (0.107 R)
• M3: 1,091,017 km (0.077 R)
• M4: 1,565,991 km (0.094 R)
• M5: 2,157,500 km (0.074 R)
• M6: 2,569,792 km (0.069 R)
• M7: 3,349,347 km (0.103 R)
• M8: 3,817,588 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.5

Radius: 13.9

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.51 AU - 0.67 AU

Year: 307 Days

Day: 14.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,971,997 km

• M1: 172,935 km (0.09 R)
• M2: 658,679 km (0.108 R)
• M3: 1,170,454 km (0.044 R)
• M4: 1,615,657 km (0.093 R)
• M5: 2,148,824 km (0.083 R)
• M6: 2,867,342 km (0.116 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.6

Radius: 4.1

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.96 AU - 10.36 AU

Year: 17285 Days

Day: 21.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,971,997 km

• M1: 72,705 km (0.052 R)
• M2: 516,412 km (0.094 R)
• M3: 1,176,587 km (0.118 R)
• M4: 7,343,460 km (0.116 R)
• M5: 9,055,458 km (0.091 R)
• M6: 9,696,186 km (0.102 R)
• M7: 9,932,251 km (0.086 R)
• M8: 16,343,268 km (0.037 R)
• M9: 18,274,277 km (0.091 R)
• M10: 21,130,998 km (0.116 R)
• M11: 29,053,851 km (0.076 R)
• M12: 30,140,231 km (0.06 R)
• M13: 33,133,236 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.5

Radius: 4.2

Gravity: 41.47 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.71 AU - 9.71 AU

Year: 17435 Days

Day: 20.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,971,997 km

• M1: 52,210 km (0.046 R)
• M2: 197,469 km (0.117 R)
• M3: 394,490 km (0.1 R)
• M4: 654,341 km (0.04 R)
• M5: 1,187,209 km (0.11 R)
• M6: 1,479,373 km (0.06 R)
• M7: 1,728,753 km (0.067 R)
• M8: 2,354,371 km (0.051 R)
• M9: 2,647,434 km (0.078 R)
• M10: 2,839,667 km (0.109 R)
• M11: 4,036,599 km (0.087 R)
• M12: 4,557,200 km (0.073 R)
• M13: 5,419,931 km (0.097 R)
• M14: 6,644,838 km (0.065 R)
• M15: 6,865,645 km (0.095 R)
• M16: 8,601,878 km (0.051 R)
• M17: 13,117,040 km (0.086 R)
• M18: 13,746,848 km (0.107 R)
• M19: 14,396,551 km (0.112 R)
• M20: 15,601,861 km (0.056 R)
• M21: 20,072,893 km (0.076 R)
• M22: 24,902,660 km (0.071 R)
• M23: 25,221,303 km (0.034 R)
• M24: 26,412,701 km (0.117 R)
• M25: 27,190,161 km (0.039 R)
• M26: 27,754,743 km (0.083 R)
• M27: 29,259,249 km (0.063 R)
• M28: 31,678,396 km (0.101 R)
• M29: 35,284,752 km (0.107 R)
• M30: 36,091,533 km (0.081 R)
• M31: 49,210,519 km (0.107 R)
• M32: 50,217,163 km (0.078 R)
• M33: 54,917,229 km (0.08 R)
• M34: 66,597,232 km (0.059 R)
• M35: 70,547,364 km (0.103 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 11,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit