🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.2

Radius: 13.2

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.77 AU - 1.09 AU

Year: 579 Days

Day: 6.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,379,111 km

• M1: 164,408 km (0.065 R)
• M2: 797,506 km (0.107 R)
• M3: 1,372,261 km (0.106 R)
• M4: 1,893,011 km (0.107 R)
• M5: 2,341,955 km (0.11 R)
• M6: 2,760,679 km (0.11 R)
• M7: 3,981,847 km (0.094 R)
• M8: 4,442,309 km (0.115 R)
• M9: 5,247,145 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.1

Radius: 12.2

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.14 AU - 1.2 AU

Year: 817 Days

Day: 5.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,379,111 km

• M1: 152,141 km (0.103 R)
• M2: 568,023 km (0.081 R)
• M3: 1,397,543 km (0.05 R)
• M4: 1,796,222 km (0.051 R)
• M5: 2,546,455 km (0.057 R)
• M6: 3,000,933 km (0.106 R)
• M7: 3,564,917 km (0.116 R)
• M8: 4,105,863 km (0.025 R)
• M9: 4,820,343 km (0.09 R)
• M10: 5,465,109 km (0.081 R)
• M11: 6,413,410 km (0.066 R)
• M12: 7,239,639 km (0.075 R)
• M13: 8,559,392 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.5

Radius: 12.8

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.33 AU - 1.95 AU

Year: 1356 Days

Day: 13.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,379,111 km

• M1: 160,818 km (0.108 R)
• M2: 814,411 km (0.065 R)
• M3: 1,558,660 km (0.11 R)
• M4: 1,972,598 km (0.116 R)
• M5: 2,734,948 km (0.118 R)
• M6: 4,080,731 km (0.115 R)
• M7: 4,772,322 km (0.062 R)
• M8: 5,849,726 km (0.058 R)
• M9: 8,922,316 km (0.077 R)
• M10: 9,640,236 km (0.12 R)
• M11: 10,180,733 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187

Radius: 5.5

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.92 AU - 8.02 AU

Year: 10626 Days

Day: 20.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 136.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 32,379,111 km

• M1: 68,516 km (0.036 R)
• M2: 256,860 km (0.091 R)
• M3: 697,276 km (0.103 R)
• M4: 1,078,301 km (0.075 R)
• M5: 1,261,559 km (0.119 R)
• M6: 1,731,745 km (0.099 R)
• M7: 2,361,103 km (0.107 R)
• M8: 2,691,415 km (0.097 R)
• M9: 3,213,362 km (0.072 R)
• M10: 3,466,033 km (0.12 R)
• M11: 3,987,232 km (0.112 R)
• M12: 4,180,363 km (0.045 R)
• M13: 5,444,166 km (0.077 R)
• M14: 6,874,471 km (0.053 R)
• M15: 7,366,349 km (0.094 R)
• M16: 7,843,716 km (0.083 R)
• M17: 9,189,797 km (0.106 R)
• M18: 10,005,405 km (0.094 R)
• M19: 10,544,855 km (0.106 R)
• M20: 11,056,180 km (0.061 R)
• M21: 12,483,494 km (0.064 R)
• M22: 13,055,556 km (0.072 R)
• M23: 18,211,297 km (0.086 R)
• M24: 19,356,169 km (0.095 R)
• M25: 22,388,817 km (0.09 R)
• M26: 24,820,381 km (0.066 R)
• M27: 25,146,355 km (0.12 R)
• M28: 26,225,853 km (0.111 R)
• M29: 26,819,607 km (0.045 R)
• M30: 28,387,692 km (0.076 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: 148 - 16,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit