🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.5 AU - 0.76 AU

Year: 184 Days

Day: 22.2 Hours

Environment

Temp: 149 °C

Axial Tilt: 31.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 33,462,568 km

• M1: 131,197 km (0.113 R)
• M2: 455,077 km (0.068 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.6 AU - 0.68 AU

Year: 189 Days

Day: 16.7 Hours

Environment

Temp: 153 °C

Axial Tilt: 11.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 33,462,568 km

• M1: 24,085 km (0.108 R)
• M2: 41,139 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.12 AU - 4.42 AU

Year: 3256 Days

Day: 22.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 33,462,568 km

• M1: 374,892 km (0.078 R)
• M2: 970,890 km (0.103 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.27 AU - 4.75 AU

Year: 3534 Days

Day: 18 Hours

Environment

Temp: -135 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,462,568 km

• M1: 2,903,395 km (0.077 R)

Asteroid Belt

Center: 5.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.3

Radius: 12.6

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.05 AU - 7.07 AU

Year: 5504 Days

Day: 14 Hours

Environment

Temp: -153 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,462,568 km

• M1: 160,668 km (0.066 R)
• M2: 588,967 km (0.079 R)
• M3: 1,003,054 km (0.084 R)
• M4: 1,697,637 km (0.079 R)
• M5: 2,677,503 km (0.082 R)
• M6: 3,151,429 km (0.082 R)
• M7: 3,771,362 km (0.051 R)
• M8: 5,667,815 km (0.055 R)
• M9: 11,777,541 km (0.103 R)
• M10: 12,848,812 km (0.045 R)
• M11: 14,719,533 km (0.096 R)
• M12: 17,018,254 km (0.117 R)
• M13: 18,858,457 km (0.067 R)
• M14: 20,038,485 km (0.114 R)
• M15: 21,638,135 km (0.084 R)
• M16: 23,008,751 km (0.097 R)
• M17: 23,557,177 km (0.111 R)
• M18: 24,355,880 km (0.05 R)
• M19: 31,889,329 km (0.082 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: 365 - 17,213 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit