🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.3

Radius: 14.3

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.54 AU - 0.78 AU

Year: 364 Days

Day: 12.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,726,491 km

• M1: 178,021 km (0.079 R)
• M2: 811,419 km (0.084 R)
• M3: 1,672,953 km (0.055 R)
• M4: 2,299,020 km (0.101 R)
• M5: 2,824,109 km (0.086 R)
• M6: 3,638,220 km (0.119 R)
• M7: 4,618,086 km (0.102 R)
• M8: 5,231,288 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.6

Radius: 10.1

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.69 AU - 0.75 AU

Year: 414 Days

Day: 6 Hours

Environment

Temp: -167 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,726,491 km

• M1: 125,662 km (0.114 R)
• M2: 531,521 km (0.076 R)
• M3: 870,660 km (0.111 R)
• M4: 1,225,057 km (0.072 R)
• M5: 2,078,662 km (0.045 R)
• M6: 2,759,931 km (0.12 R)
• M7: 3,170,428 km (0.088 R)
• M8: 3,545,619 km (0.051 R)
• M9: 3,883,112 km (0.116 R)
• M10: 5,488,297 km (0.085 R)
• M11: 5,977,632 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.4

Radius: 12.3

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.65 AU - 2.17 AU

Year: 1790 Days

Day: 5.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,726,491 km

• M1: 153,039 km (0.091 R)
• M2: 575,204 km (0.085 R)
• M3: 1,041,800 km (0.039 R)
• M4: 1,592,021 km (0.102 R)
• M5: 2,394,164 km (0.089 R)
• M6: 3,152,775 km (0.06 R)
• M7: 3,783,181 km (0.104 R)
• M8: 4,362,124 km (0.114 R)
• M9: 5,319,102 km (0.108 R)
• M10: 6,815,380 km (0.106 R)
• M11: 7,290,503 km (0.052 R)
• M12: 7,844,164 km (0.042 R)
• M13: 8,942,811 km (0.074 R)
• M14: 12,040,983 km (0.108 R)
• M15: 13,296,857 km (0.113 R)
• M16: 13,872,959 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.7

Radius: 13.4

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.51 AU - 5.51 AU

Year: 6496 Days

Day: 8.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,726,491 km

• M1: 166,652 km (0.112 R)
• M2: 619,485 km (0.055 R)
• M3: 1,044,642 km (0.11 R)
• M4: 1,578,557 km (0.077 R)
• M5: 2,010,147 km (0.055 R)
• M6: 3,023,373 km (0.066 R)
• M7: 3,485,331 km (0.094 R)
• M8: 4,452,332 km (0.051 R)
• M9: 6,292,535 km (0.102 R)
• M10: 7,330,146 km (0.095 R)
• M11: 8,058,089 km (0.101 R)
• M12: 9,786,693 km (0.11 R)
• M13: 10,624,740 km (0.077 R)
• M14: 11,272,349 km (0.078 R)
• M15: 11,799,682 km (0.093 R)
• M16: 14,462,823 km (0.078 R)
• M17: 18,017,119 km (0.117 R)
• M18: 18,872,220 km (0.04 R)
• M19: 21,673,740 km (0.113 R)
• M20: 22,415,296 km (0.094 R)
• M21: 22,868,428 km (0.069 R)
• M22: 23,404,587 km (0.089 R)
• M23: 25,063,926 km (0.084 R)
• M24: 28,001,580 km (0.118 R)
• M25: 29,598,537 km (0.079 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 17,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit