🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.17 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.89 AU - 2.77 AU

Year: 1280 Days

Day: 14.3 Hours

Environment

Temp: -68 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.27 AU - 3.59 AU

Year: 2286 Days

Day: 43.3 Hours

Environment

Temp: -115 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.5

Radius: 10.2

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.68 AU - 5.88 AU

Year: 5001 Days

Day: 9.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,475,576 km

• M1: 126,859 km (0.092 R)
• M2: 452,234 km (0.052 R)
• M3: 772,374 km (0.117 R)
• M4: 1,177,934 km (0.113 R)
• M5: 1,514,678 km (0.062 R)
• M6: 2,052,184 km (0.101 R)
• M7: 2,404,935 km (0.118 R)
• M8: 2,885,743 km (0.104 R)
• M9: 3,350,843 km (0.09 R)
• M10: 4,041,087 km (0.118 R)
• M11: 4,899,330 km (0.085 R)
• M12: 5,874,708 km (0.107 R)
• M13: 6,317,368 km (0.032 R)
• M14: 8,610,405 km (0.088 R)
• M15: 9,943,471 km (0.054 R)
• M16: 11,545,365 km (0.105 R)
• M17: 17,019,002 km (0.052 R)
• M18: 17,981,814 km (0.106 R)
• M19: 18,790,390 km (0.044 R)
• M20: 20,280,235 km (0.109 R)
• M21: 24,159,607 km (0.113 R)
• M22: 26,155,093 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.7

Radius: 11.8

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.03 AU - 11.07 AU

Year: 9798 Days

Day: 10 Hours

Environment

Temp: -178 °C

Axial Tilt: 176.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,475,576 km

• M1: 146,756 km (0.062 R)
• M2: 671,246 km (0.107 R)
• M3: 1,603,091 km (0.073 R)
• M4: 2,008,202 km (0.11 R)
• M5: 2,918,954 km (0.061 R)
• M6: 4,639,479 km (0.072 R)
• M7: 5,682,625 km (0.117 R)
• M8: 6,222,523 km (0.081 R)
• M9: 8,184,350 km (0.076 R)
• M10: 10,850,184 km (0.111 R)
• M11: 13,476,524 km (0.093 R)
• M12: 14,970,708 km (0.096 R)
• M13: 16,144,153 km (0.031 R)
• M14: 18,056,014 km (0.112 R)
• M15: 19,545,560 km (0.091 R)
• M16: 22,413,052 km (0.109 R)
• M17: 27,022,911 km (0.088 R)
• M18: 35,725,468 km (0.106 R)
• M19: 36,699,200 km (0.088 R)
• M20: 46,272,417 km (0.098 R)
• M21: 47,575,115 km (0.111 R)

Kuiper Belt

Range: 30.5 - 56.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 19,335 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit