🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.78 AU - 0.8 AU

Year: 265 Days

Day: 16.7 Hours

Environment

Temp: 158 °C

Axial Tilt: 66.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.84 AU - 1.98 AU

Year: 994 Days

Day: 41.1 Hours

Environment

Temp: -79 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.03 AU - 2.45 AU

Year: 1263 Days

Day: 38.6 Hours

Environment

Temp: -96 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,734,461 km

• M1: 1,272,330 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.79 AU - 3.61 AU

Year: 2157 Days

Day: 16.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,734,461 km

• M1: 22,140 km (0.118 R)

Asteroid Belt

Center: 4.24 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.8

Radius: 12.7

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.21 AU - 6.33 AU

Year: 4558 Days

Day: 6 Hours

Environment

Temp: -143 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,734,461 km

• M1: 157,975 km (0.096 R)
• M2: 599,289 km (0.106 R)
• M3: 1,087,277 km (0.109 R)
• M4: 1,532,181 km (0.106 R)
• M5: 2,948,574 km (0.076 R)
• M6: 3,688,336 km (0.102 R)
• M7: 4,171,237 km (0.042 R)
• M8: 4,646,659 km (0.084 R)
• M9: 5,455,386 km (0.089 R)
• M10: 6,144,284 km (0.065 R)
• M11: 6,826,001 km (0.044 R)
• M12: 7,454,911 km (0.034 R)
• M13: 7,871,840 km (0.112 R)
• M14: 10,666,777 km (0.078 R)
• M15: 11,423,443 km (0.088 R)
• M16: 11,978,900 km (0.092 R)
• M17: 14,066,389 km (0.098 R)
• M18: 16,914,732 km (0.097 R)
• M19: 19,272,694 km (0.108 R)
• M20: 22,554,721 km (0.096 R)
• M21: 24,785,375 km (0.098 R)
• M22: 27,241,024 km (0.034 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 16,651 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit