🌌 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: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.66 AU - 0.94 AU

Year: 261 Days

Day: 16.4 Hours

Environment

Temp: 98 °C

Axial Tilt: 36.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.98 AU - 1.14 AU

Year: 399 Days

Day: 47.1 Hours

Environment

Temp: 15 °C

Axial Tilt: 3.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.32 AU - 1.8 AU

Year: 712 Days

Day: 24.3 Hours

Environment

Temp: -32 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.99 AU - 2.17 AU

Year: 1096 Days

Day: 32.4 Hours

Environment

Temp: -75 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.4

Radius: 9.6

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.84 AU - 5.92 AU

Year: 5208 Days

Day: 9.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 22,816,190 km

• M1: 119,379 km (0.109 R)
• M2: 449,093 km (0.082 R)
• M3: 828,772 km (0.075 R)
• M4: 1,518,119 km (0.061 R)
• M5: 1,874,013 km (0.083 R)
• M6: 2,229,307 km (0.11 R)
• M7: 2,661,047 km (0.112 R)
• M8: 4,148,199 km (0.114 R)
• M9: 4,479,409 km (0.101 R)
• M10: 8,174,327 km (0.074 R)
• M11: 9,131,454 km (0.072 R)
• M12: 9,542,250 km (0.118 R)
• M13: 9,926,268 km (0.031 R)
• M14: 12,725,543 km (0.106 R)
• M15: 13,285,637 km (0.058 R)
• M16: 13,862,187 km (0.087 R)
• M17: 14,455,343 km (0.115 R)
• M18: 15,220,387 km (0.119 R)
• M19: 16,391,139 km (0.066 R)
• M20: 16,998,507 km (0.105 R)
• M21: 18,141,135 km (0.07 R)
• M22: 18,493,738 km (0.049 R)
• M23: 19,031,243 km (0.049 R)
• M24: 20,962,551 km (0.061 R)
• M25: 21,350,907 km (0.114 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 11,266 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit