🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.9 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.75 AU - 1.83 AU

Year: 912 Days

Day: 20.7 Hours

Environment

Temp: -80 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,185,775 km

• M1: 650,900 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.1 AU - 3.24 AU

Year: 2149 Days

Day: 21.5 Hours

Environment

Temp: -114 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.2

Radius: 12.1

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.65 AU - 4.99 AU

Year: 3419 Days

Day: 6.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,185,775 km

• M1: 152,739 km (0.104 R)
• M2: 533,466 km (0.1 R)
• M3: 915,240 km (0.104 R)
• M4: 1,414,597 km (0.115 R)
• M5: 2,597,468 km (0.103 R)
• M6: 3,283,224 km (0.109 R)
• M7: 3,678,911 km (0.08 R)
• M8: 4,374,691 km (0.11 R)
• M9: 6,598,762 km (0.113 R)
• M10: 8,458,712 km (0.093 R)
• M11: 9,456,081 km (0.104 R)
• M12: 10,263,760 km (0.101 R)
• M13: 17,691,594 km (0.096 R)
• M14: 18,297,615 km (0.084 R)
• M15: 19,377,113 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.4

Radius: 4.8

Gravity: 24.24 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 15.24 AU - 19.56 AU

Year: 27639 Days

Day: 15.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,185,775 km

• M1: 63,429 km (0.066 R)
• M2: 345,421 km (0.099 R)
• M3: 1,278,015 km (0.102 R)
• M4: 1,520,962 km (0.11 R)
• M5: 3,903,308 km (0.102 R)
• M6: 4,309,915 km (0.04 R)
• M7: 5,449,701 km (0.087 R)
• M8: 5,742,165 km (0.075 R)
• M9: 6,001,119 km (0.101 R)
• M10: 7,017,636 km (0.069 R)
• M11: 8,197,664 km (0.117 R)
• M12: 15,619,065 km (0.078 R)
• M13: 29,262,391 km (0.089 R)
• M14: 37,685,798 km (0.087 R)
• M15: 44,172,661 km (0.116 R)
• M16: 50,085,666 km (0.036 R)
• M17: 52,292,384 km (0.088 R)
• M18: 79,252,614 km (0.117 R)
• M19: 85,309,532 km (0.086 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 11,480 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit