🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.6

Radius: 12

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.72 AU - 0.76 AU

Year: 447 Days

Day: 7.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,872,480 km

• M1: 150,196 km (0.082 R)
• M2: 524,341 km (0.11 R)
• M3: 1,025,045 km (0.099 R)
• M4: 1,405,771 km (0.096 R)
• M5: 2,556,478 km (0.054 R)
• M6: 3,289,508 km (0.095 R)
• M7: 3,783,181 km (0.057 R)
• M8: 4,736,568 km (0.065 R)
• M9: 5,368,469 km (0.069 R)
• M10: 5,808,885 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.4

Radius: 14.5

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.38 AU - 1.62 AU

Year: 1291 Days

Day: 7.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,872,480 km

• M1: 180,265 km (0.069 R)
• M2: 648,656 km (0.081 R)
• M3: 1,126,921 km (0.118 R)
• M4: 1,894,059 km (0.109 R)
• M5: 2,577,272 km (0.08 R)
• M6: 3,468,277 km (0.051 R)
• M7: 3,977,957 km (0.116 R)
• M8: 4,632,747 km (0.105 R)
• M9: 5,295,615 km (0.06 R)
• M10: 5,998,276 km (0.088 R)
• M11: 6,887,636 km (0.099 R)
• M12: 7,698,905 km (0.109 R)
• M13: 9,607,325 km (0.071 R)
• M14: 11,241,981 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.6

Radius: 14.5

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.84 AU - 3.28 AU

Year: 3763 Days

Day: 5.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,872,480 km

• M1: 182,061 km (0.04 R)
• M2: 696,827 km (0.116 R)
• M3: 1,293,124 km (0.096 R)
• M4: 1,757,925 km (0.105 R)
• M5: 2,490,057 km (0.098 R)
• M6: 3,331,096 km (0.051 R)
• M7: 3,887,001 km (0.108 R)
• M8: 4,680,319 km (0.119 R)
• M9: 5,554,419 km (0.092 R)
• M10: 6,204,871 km (0.093 R)
• M11: 6,847,843 km (0.068 R)
• M12: 8,433,430 km (0.111 R)
• M13: 9,655,495 km (0.09 R)
• M14: 10,214,094 km (0.103 R)
• M15: 13,293,416 km (0.118 R)
• M16: 14,080,002 km (0.117 R)
• M17: 16,469,379 km (0.11 R)
• M18: 17,540,650 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.4

Radius: 13.5

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.63 AU - 4.25 AU

Year: 5497 Days

Day: 13.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,872,480 km

• M1: 167,849 km (0.111 R)
• M2: 925,562 km (0.106 R)
• M3: 1,393,205 km (0.104 R)
• M4: 2,381,149 km (0.117 R)
• M5: 3,879,671 km (0.087 R)
• M6: 4,708,443 km (0.083 R)
• M7: 6,081,453 km (0.105 R)
• M8: 6,563,158 km (0.112 R)
• M9: 7,168,281 km (0.104 R)
• M10: 9,017,161 km (0.119 R)
• M11: 10,771,346 km (0.113 R)
• M12: 11,388,886 km (0.081 R)
• M13: 12,407,049 km (0.08 R)
• M14: 14,465,217 km (0.072 R)
• M15: 16,280,138 km (0.097 R)
• M16: 16,800,439 km (0.091 R)
• M17: 18,678,341 km (0.119 R)
• M18: 19,248,758 km (0.108 R)
• M19: 22,066,284 km (0.093 R)
• M20: 23,208,614 km (0.12 R)
• M21: 25,379,129 km (0.109 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 10,854 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit