🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.4

Radius: 11.1

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.84 AU - 0.94 AU

Year: 534 Days

Day: 14.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,194,803 km

• M1: 138,079 km (0.083 R)
• M2: 528,828 km (0.075 R)
• M3: 1,232,537 km (0.117 R)
• M4: 1,657,395 km (0.103 R)
• M5: 2,481,081 km (0.101 R)
• M6: 2,832,037 km (0.104 R)
• M7: 3,360,267 km (0.078 R)
• M8: 3,726,333 km (0.092 R)
• M9: 4,289,869 km (0.055 R)
• M10: 5,639,690 km (0.055 R)
• M11: 6,327,392 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.1

Radius: 13.3

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.97 AU - 1.07 AU

Year: 655 Days

Day: 11.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,194,803 km

• M1: 165,455 km (0.092 R)
• M2: 621,130 km (0.106 R)
• M3: 1,088,923 km (0.12 R)
• M4: 1,557,613 km (0.085 R)
• M5: 2,033,633 km (0.078 R)
• M6: 2,899,057 km (0.102 R)
• M7: 3,326,757 km (0.115 R)
• M8: 3,896,127 km (0.085 R)
• M9: 4,642,172 km (0.108 R)
• M10: 5,355,903 km (0.101 R)
• M11: 6,122,143 km (0.119 R)
• M12: 7,508,018 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.1

Radius: 14.3

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.18 AU - 1.58 AU

Year: 1031 Days

Day: 12.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,194,803 km

• M1: 177,872 km (0.105 R)
• M2: 850,913 km (0.084 R)
• M3: 1,359,695 km (0.099 R)
• M4: 2,305,602 km (0.078 R)
• M5: 2,805,558 km (0.111 R)
• M6: 3,266,021 km (0.109 R)
• M7: 4,779,802 km (0.082 R)
• M8: 6,231,051 km (0.06 R)
• M9: 7,310,399 km (0.095 R)
• M10: 9,372,456 km (0.107 R)
• M11: 10,139,145 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.9

Radius: 5.9

Gravity: 15.94 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.54 AU - 11.34 AU

Year: 18441 Days

Day: 19.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,194,803 km

• M1: 74,051 km (0.092 R)
• M2: 313,707 km (0.119 R)
• M3: 533,765 km (0.12 R)
• M4: 731,234 km (0.118 R)
• M5: 1,109,567 km (0.097 R)
• M6: 1,531,134 km (0.105 R)
• M7: 2,111,873 km (0.076 R)
• M8: 3,756,403 km (0.097 R)
• M9: 5,081,840 km (0.093 R)
• M10: 5,791,083 km (0.092 R)
• M11: 6,149,071 km (0.09 R)
• M12: 9,135,194 km (0.094 R)
• M13: 12,833,852 km (0.084 R)
• M14: 14,141,038 km (0.068 R)
• M15: 22,027,688 km (0.086 R)
• M16: 24,814,397 km (0.113 R)
• M17: 25,335,596 km (0.104 R)
• M18: 27,052,681 km (0.109 R)
• M19: 30,478,322 km (0.072 R)
• M20: 30,716,482 km (0.074 R)
• M21: 32,542,474 km (0.054 R)
• M22: 33,799,245 km (0.104 R)
• M23: 37,900,321 km (0.063 R)
• M24: 44,578,520 km (0.083 R)
• M25: 45,348,500 km (0.112 R)
• M26: 50,321,433 km (0.079 R)
• M27: 56,717,789 km (0.076 R)
• M28: 58,903,114 km (0.032 R)
• M29: 64,611,021 km (0.106 R)
• M30: 67,194,876 km (0.078 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 18,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit