🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.47 AU - 0.75 AU

Year: 308 Days

Day: 45.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.5

Radius: 14.5

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.95 AU - 1.07 AU

Year: 655 Days

Day: 5.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,976,750 km

• M1: 180,415 km (0.072 R)
• M2: 578,495 km (0.047 R)
• M3: 1,078,900 km (0.036 R)
• M4: 1,921,585 km (0.111 R)
• M5: 2,222,576 km (0.104 R)
• M6: 2,547,502 km (0.072 R)
• M7: 3,906,748 km (0.031 R)
• M8: 4,531,619 km (0.037 R)
• M9: 4,975,027 km (0.088 R)
• M10: 6,163,731 km (0.112 R)
• M11: 6,579,464 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277

Radius: 8.8

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.05 AU - 1.29 AU

Year: 817 Days

Day: 7.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 19,976,750 km

• M1: 160,219 km (0.084 R)
• M2: 349,012 km (0.061 R)
• M3: 526,285 km (0.075 R)
• M4: 846,275 km (0.115 R)
• M5: 1,529,040 km (0.098 R)
• M6: 1,698,684 km (0.097 R)
• M7: 1,995,636 km (0.103 R)
• M8: 2,418,100 km (0.078 R)
• M9: 2,592,531 km (0.106 R)
• M10: 3,056,584 km (0.075 R)
• M11: 3,646,448 km (0.104 R)
• M12: 4,072,952 km (0.101 R)
• M13: 4,332,205 km (0.091 R)
• M14: 4,523,840 km (0.1 R)
• M15: 4,886,315 km (0.108 R)
• M16: 5,193,440 km (0.075 R)
• M17: 5,569,978 km (0.111 R)
• M18: 6,223,122 km (0.078 R)
• M19: 6,622,249 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.3

Radius: 10.1

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.32 AU - 2.34 AU

Year: 2296 Days

Day: 8.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 19,976,750 km

• M1: 143,464 km (0.114 R)
• M2: 365,767 km (0.109 R)
• M3: 590,313 km (0.107 R)
• M4: 968,048 km (0.095 R)
• M5: 1,562,101 km (0.099 R)
• M6: 1,864,887 km (0.102 R)
• M7: 2,992,107 km (0.108 R)
• M8: 3,365,653 km (0.116 R)
• M9: 3,694,319 km (0.057 R)
• M10: 4,038,993 km (0.075 R)
• M11: 4,911,298 km (0.025 R)
• M12: 5,208,250 km (0.051 R)
• M13: 5,807,539 km (0.096 R)
• M14: 6,507,507 km (0.115 R)
• M15: 6,780,523 km (0.119 R)
• M16: 7,224,380 km (0.081 R)
• M17: 8,130,046 km (0.116 R)
• M18: 8,333,050 km (0.077 R)
• M19: 9,223,906 km (0.102 R)
• M20: 9,549,430 km (0.113 R)
• M21: 10,531,092 km (0.1 R)
• M22: 10,733,348 km (0.113 R)
• M23: 10,966,721 km (0.114 R)
• M24: 11,895,275 km (0.097 R)
• M25: 12,233,964 km (0.093 R)
• M26: 13,636,744 km (0.085 R)
• M27: 13,834,063 km (0.088 R)
• M28: 16,528,171 km (0.028 R)
• M29: 17,294,860 km (0.096 R)
• M30: 18,230,296 km (0.036 R)
• M31: 18,534,877 km (0.108 R)
• M32: 19,229,609 km (0.052 R)
• M33: 19,976,701 km (0.078 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 18,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit