🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.9 AU - 1.04 AU

Year: 358 Days

Day: 28.5 Hours

Environment

Temp: 24 °C

Axial Tilt: 11.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 93,626,885 km

• M1: 137,181 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.9 AU - 1.28 AU

Year: 426 Days

Day: 21 Hours

Environment

Temp: -6 °C

Axial Tilt: 38.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.98 AU - 1.46 AU

Year: 505 Days

Day: 14.6 Hours

Environment

Temp: 4 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.25 AU - 1.51 AU

Year: 608 Days

Day: 19.5 Hours

Environment

Temp: -31 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.27 AU - 1.49 AU

Year: 608 Days

Day: 19.6 Hours

Environment

Temp: -39 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,626,885 km

• M1: 260,151 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604

Radius: 7.4

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 16.33 AU - 20.05 AU

Year: 29072 Days

Day: 21.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 93,626,885 km

• M1: 96,341 km (0.114 R)
• M2: 467,942 km (0.097 R)
• M3: 1,215,333 km (0.107 R)
• M4: 1,793,529 km (0.088 R)
• M5: 2,349,734 km (0.095 R)
• M6: 6,444,676 km (0.084 R)
• M7: 6,874,471 km (0.042 R)
• M8: 8,502,245 km (0.08 R)
• M9: 9,803,148 km (0.107 R)
• M10: 13,243,750 km (0.069 R)
• M11: 14,255,032 km (0.057 R)
• M12: 19,994,055 km (0.068 R)
• M13: 31,627,683 km (0.086 R)
• M14: 40,186,775 km (0.088 R)
• M15: 46,559,495 km (0.065 R)
• M16: 73,641,347 km (0.11 R)
• M17: 80,540,053 km (0.069 R)
• M18: 85,987,958 km (0.117 R)
• M19: 88,396,035 km (0.045 R)
• M20: 91,124,102 km (0.105 R)
• M21: 91,676,418 km (0.105 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 13,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit