🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.67 AU - 1.07 AU

Year: 291 Days

Day: 34 Hours

Environment

Temp: 166 °C

Axial Tilt: 20.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.34 AU - 1.64 AU

Year: 651 Days

Day: 24.5 Hours

Environment

Temp: -35 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.7

Radius: 11.2

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.94 AU - 5.98 AU

Year: 5211 Days

Day: 13.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,042,833 km

• M1: 144,512 km (0.096 R)
• M2: 558,299 km (0.05 R)
• M3: 1,912,758 km (0.116 R)
• M4: 2,558,722 km (0.093 R)
• M5: 3,164,145 km (0.119 R)
• M6: 3,728,727 km (0.114 R)
• M7: 5,169,953 km (0.098 R)
• M8: 7,193,114 km (0.059 R)
• M9: 11,594,284 km (0.077 R)
• M10: 12,681,411 km (0.106 R)
• M11: 14,052,326 km (0.075 R)
• M12: 15,578,075 km (0.089 R)
• M13: 18,427,466 km (0.108 R)
• M14: 23,480,882 km (0.108 R)
• M15: 24,024,221 km (0.113 R)
• M16: 24,815,145 km (0.108 R)
• M17: 26,116,347 km (0.096 R)
• M18: 30,752,385 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.2

Radius: 9

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 9.72 AU - 10.98 AU

Year: 11926 Days

Day: 7.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,042,833 km

• M1: 197,918 km (0.083 R)
• M2: 733,030 km (0.067 R)
• M3: 1,533,827 km (0.044 R)
• M4: 2,297,524 km (0.119 R)
• M5: 3,950,880 km (0.084 R)
• M6: 4,504,541 km (0.05 R)
• M7: 7,808,859 km (0.11 R)
• M8: 8,722,154 km (0.109 R)
• M9: 10,477,386 km (0.086 R)
• M10: 10,807,100 km (0.093 R)
• M11: 12,933,783 km (0.06 R)
• M12: 18,402,034 km (0.084 R)
• M13: 26,696,039 km (0.081 R)
• M14: 32,190,021 km (0.083 R)
• M15: 32,988,574 km (0.06 R)

Kuiper Belt

Range: 30.6 - 56.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 14,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit