🌌 Stone's Star System Generator

Asteroid Belt

Center: 2 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.39 AU - 4.61 AU

Year: 2893 Days

Day: 32.7 Hours

Environment

Temp: -112 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,920,485 km

• M1: 23,038 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.7

Radius: 10.4

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.26 AU - 6.8 AU

Year: 5355 Days

Day: 8.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,920,485 km

• M1: 129,402 km (0.11 R)
• M2: 547,379 km (0.091 R)
• M3: 1,007,841 km (0.11 R)
• M4: 2,099,457 km (0.091 R)
• M5: 2,619,608 km (0.114 R)
• M6: 3,603,364 km (0.115 R)
• M7: 5,430,253 km (0.095 R)
• M8: 7,262,528 km (0.044 R)
• M9: 8,894,042 km (0.089 R)
• M10: 9,432,295 km (0.119 R)
• M11: 9,991,941 km (0.11 R)
• M12: 10,437,443 km (0.068 R)
• M13: 11,416,412 km (0.105 R)
• M14: 11,755,999 km (0.036 R)
• M15: 15,830,746 km (0.078 R)
• M16: 17,121,476 km (0.102 R)
• M17: 18,085,485 km (0.081 R)
• M18: 23,690,020 km (0.093 R)
• M19: 31,007,001 km (0.029 R)
• M20: 31,669,271 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.8

Radius: 13.1

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.75 AU - 10.89 AU

Year: 10290 Days

Day: 12.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,920,485 km

• M1: 173,683 km (0.091 R)
• M2: 833,709 km (0.087 R)
• M3: 1,718,132 km (0.056 R)
• M4: 2,332,979 km (0.119 R)
• M5: 3,468,277 km (0.092 R)
• M6: 4,063,976 km (0.119 R)
• M7: 5,165,764 km (0.08 R)
• M8: 6,571,086 km (0.087 R)
• M9: 8,129,298 km (0.103 R)
• M10: 8,623,270 km (0.037 R)
• M11: 9,089,716 km (0.082 R)
• M12: 10,124,485 km (0.083 R)
• M13: 12,486,485 km (0.107 R)
• M14: 13,452,589 km (0.085 R)
• M15: 14,403,133 km (0.09 R)
• M16: 16,508,723 km (0.104 R)
• M17: 26,410,756 km (0.04 R)
• M18: 30,612,511 km (0.04 R)
• M19: 32,366,696 km (0.062 R)
• M20: 43,910,715 km (0.077 R)
• M21: 45,434,968 km (0.108 R)

Kuiper Belt

Range: 30.3 - 60.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 15,898 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit