🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.44 AU - 0.72 AU

Year: 290 Days

Day: 41.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 46.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 21,196,805 km

• M1: 83,326 km (0.092 R)
• M2: 635,342 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.8

Radius: 14.6

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.68 AU - 0.82 AU

Year: 426 Days

Day: 8 Hours

Environment

Temp: -148 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,196,805 km

• M1: 181,612 km (0.067 R)
• M2: 692,638 km (0.11 R)
• M3: 1,161,328 km (0.059 R)
• M4: 1,718,730 km (0.097 R)
• M5: 2,363,048 km (0.077 R)
• M6: 2,985,973 km (0.106 R)
• M7: 3,493,858 km (0.055 R)
• M8: 4,035,253 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.4

Radius: 11.1

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.78 AU - 2.06 AU

Year: 1745 Days

Day: 14.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,196,805 km

• M1: 138,079 km (0.112 R)
• M2: 528,978 km (0.102 R)
• M3: 1,067,231 km (0.099 R)
• M4: 1,453,343 km (0.039 R)
• M5: 1,848,431 km (0.063 R)
• M6: 2,585,051 km (0.041 R)
• M7: 3,036,538 km (0.1 R)
• M8: 3,972,571 km (0.101 R)
• M9: 4,343,425 km (0.098 R)
• M10: 5,758,620 km (0.115 R)
• M11: 6,433,307 km (0.116 R)
• M12: 6,790,098 km (0.032 R)
• M13: 7,160,053 km (0.052 R)
• M14: 7,515,647 km (0.076 R)
• M15: 7,969,527 km (0.094 R)
• M16: 8,932,339 km (0.106 R)
• M17: 10,801,565 km (0.069 R)
• M18: 11,161,048 km (0.102 R)
• M19: 13,447,053 km (0.063 R)
• M20: 14,159,887 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.9

Radius: 10.5

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.01 AU - 3.25 AU

Year: 3633 Days

Day: 13 Hours

Environment

Temp: -200 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,196,805 km

• M1: 130,898 km (0.081 R)
• M2: 467,643 km (0.091 R)
• M3: 1,163,423 km (0.044 R)
• M4: 1,499,120 km (0.092 R)
• M5: 2,207,915 km (0.119 R)
• M6: 2,748,113 km (0.071 R)
• M7: 3,161,601 km (0.094 R)
• M8: 3,693,123 km (0.087 R)
• M9: 4,219,558 km (0.053 R)
• M10: 5,348,124 km (0.058 R)
• M11: 6,754,493 km (0.106 R)
• M12: 8,092,198 km (0.073 R)
• M13: 8,563,730 km (0.059 R)
• M14: 9,524,896 km (0.114 R)
• M15: 10,596,167 km (0.104 R)
• M16: 11,873,733 km (0.033 R)
• M17: 14,437,691 km (0.031 R)
• M18: 14,831,881 km (0.109 R)
• M19: 16,695,571 km (0.08 R)
• M20: 17,965,059 km (0.076 R)
• M21: 19,897,265 km (0.109 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: 456 - 20,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit