🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.6 AU - 0.72 AU

Year: 191 Days

Day: 27.4 Hours

Environment

Temp: 167 °C

Axial Tilt: 28.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,297,423 km

• M1: 23,337 km (0.064 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.06 AU - 1.72 AU

Year: 584 Days

Day: 17.1 Hours

Environment

Temp: 7 °C

Axial Tilt: 44.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 39,297,423 km

• M1: 458,368 km (0.1 R)
• M2: 664,813 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.33 AU - 1.83 AU

Year: 708 Days

Day: 15.3 Hours

Environment

Temp: -34 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.31 AU - 1.97 AU

Year: 749 Days

Day: 23.3 Hours

Environment

Temp: -46 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.2

Radius: 13.1

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.63 AU - 7.65 AU

Year: 6801 Days

Day: 13.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,297,423 km

• M1: 163,211 km (0.061 R)
• M2: 596,896 km (0.088 R)
• M3: 1,328,728 km (0.082 R)
• M4: 2,177,547 km (0.115 R)
• M5: 3,209,772 km (0.078 R)
• M6: 4,357,038 km (0.109 R)
• M7: 6,603,100 km (0.115 R)
• M8: 7,334,335 km (0.11 R)
• M9: 8,915,285 km (0.091 R)
• M10: 10,325,843 km (0.06 R)
• M11: 13,414,142 km (0.079 R)
• M12: 14,467,610 km (0.063 R)
• M13: 18,662,933 km (0.118 R)
• M14: 19,604,651 km (0.047 R)
• M15: 20,124,803 km (0.05 R)
• M16: 20,960,606 km (0.082 R)
• M17: 26,290,180 km (0.105 R)
• M18: 27,014,234 km (0.091 R)
• M19: 31,337,313 km (0.102 R)
• M20: 37,676,673 km (0.094 R)

Kuiper Belt

Range: 30.8 - 52.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 14,918 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit