🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.9

Radius: 12.6

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.78 AU - 1.2 AU

Year: 680 Days

Day: 14.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,194,500 km

• M1: 157,078 km (0.032 R)
• M2: 604,824 km (0.081 R)
• M3: 999,763 km (0.085 R)
• M4: 1,419,385 km (0.111 R)
• M5: 2,052,184 km (0.113 R)
• M6: 2,702,635 km (0.104 R)
• M7: 3,391,384 km (0.116 R)
• M8: 3,800,085 km (0.108 R)
• M9: 4,241,698 km (0.06 R)
• M10: 4,872,552 km (0.088 R)
• M11: 5,836,561 km (0.11 R)
• M12: 6,239,578 km (0.118 R)
• M13: 6,879,408 km (0.069 R)
• M14: 7,422,448 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.8

Radius: 14.9

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.99 AU - 4.45 AU

Year: 4953 Days

Day: 10.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,194,500 km

• M1: 187,297 km (0.086 R)
• M2: 776,563 km (0.06 R)
• M3: 1,384,827 km (0.074 R)
• M4: 1,916,798 km (0.107 R)
• M5: 2,486,765 km (0.113 R)
• M6: 3,092,038 km (0.056 R)
• M7: 3,599,175 km (0.103 R)
• M8: 4,354,495 km (0.049 R)
• M9: 5,438,481 km (0.117 R)
• M10: 6,090,728 km (0.094 R)
• M11: 6,662,790 km (0.117 R)
• M12: 8,520,646 km (0.119 R)
• M13: 9,197,277 km (0.061 R)
• M14: 11,023,717 km (0.055 R)
• M15: 13,500,909 km (0.077 R)
• M16: 15,970,769 km (0.068 R)
• M17: 16,939,416 km (0.065 R)
• M18: 18,400,089 km (0.107 R)
• M19: 20,429,684 km (0.045 R)
• M20: 20,995,313 km (0.079 R)
• M21: 22,380,589 km (0.076 R)
• M22: 22,905,977 km (0.07 R)
• M23: 24,690,829 km (0.063 R)
• M24: 27,668,126 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.2

Radius: 10.3

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.07 AU - 4.43 AU

Year: 6048 Days

Day: 12.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,194,500 km

• M1: 128,205 km (0.108 R)
• M2: 531,970 km (0.078 R)
• M3: 882,777 km (0.094 R)
• M4: 2,317,869 km (0.099 R)
• M5: 5,000,309 km (0.091 R)
• M6: 5,378,791 km (0.113 R)
• M7: 8,448,390 km (0.108 R)
• M8: 11,160,001 km (0.032 R)
• M9: 12,992,725 km (0.095 R)
• M10: 14,154,203 km (0.045 R)
• M11: 17,188,347 km (0.112 R)
• M12: 21,741,208 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142

Radius: 15

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.33 AU - 5.55 AU

Year: 6458 Days

Day: 9.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,194,500 km

• M1: 186,848 km (0.107 R)
• M2: 657,632 km (0.035 R)
• M3: 1,191,397 km (0.078 R)
• M4: 2,100,952 km (0.074 R)
• M5: 4,479,259 km (0.084 R)
• M6: 7,300,077 km (0.088 R)
• M7: 8,562,234 km (0.09 R)
• M8: 9,702,768 km (0.116 R)
• M9: 12,068,808 km (0.099 R)
• M10: 12,906,706 km (0.117 R)
• M11: 18,831,230 km (0.109 R)
• M12: 19,419,300 km (0.116 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: 403 - 10,632 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit