🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.59 AU - 0.77 AU

Year: 207 Days

Day: 33.6 Hours

Environment

Temp: 108 °C

Axial Tilt: 7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.32 AU - 3.64 AU

Year: 1898 Days

Day: 15.4 Hours

Environment

Temp: -114 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 31,090,100 km

• M1: 186,848 km (0.048 R)
• M2: 1,584,690 km (0.07 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.17 AU - 3.61 AU

Year: 2303 Days

Day: 24.9 Hours

Environment

Temp: -117 °C

Axial Tilt: 126.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.4

Radius: 9.6

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.72 AU - 7.84 AU

Year: 5807 Days

Day: 14.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 31,090,100 km

• M1: 119,379 km (0.072 R)
• M2: 511,176 km (0.099 R)
• M3: 964,009 km (0.107 R)
• M4: 1,304,793 km (0.081 R)
• M5: 2,348,986 km (0.069 R)
• M6: 2,793,740 km (0.058 R)
• M7: 3,480,694 km (0.114 R)
• M8: 4,037,347 km (0.096 R)
• M9: 4,626,613 km (0.072 R)
• M10: 5,328,527 km (0.095 R)
• M11: 5,824,743 km (0.109 R)
• M12: 6,319,762 km (0.047 R)
• M13: 7,790,010 km (0.06 R)
• M14: 8,703,455 km (0.103 R)
• M15: 9,227,197 km (0.108 R)
• M16: 9,602,089 km (0.054 R)
• M17: 9,943,770 km (0.079 R)
• M18: 11,440,048 km (0.093 R)
• M19: 11,970,522 km (0.084 R)
• M20: 14,148,667 km (0.066 R)
• M21: 15,043,861 km (0.114 R)
• M22: 15,680,998 km (0.052 R)
• M23: 16,578,436 km (0.099 R)
• M24: 17,700,270 km (0.108 R)
• M25: 18,872,071 km (0.117 R)
• M26: 22,397,344 km (0.112 R)
• M27: 25,843,182 km (0.12 R)
• M28: 29,717,168 km (0.057 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 17,428 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit