🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.43 AU - 0.63 AU

Year: 143 Days

Day: 39 Hours

Environment

Temp: 212 °C

Axial Tilt: 5.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.35 AU - 1.61 AU

Year: 668 Days

Day: 39.4 Hours

Environment

Temp: -36 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,453,737 km

• M1: 612,753 km (0.084 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.41 AU - 1.89 AU

Year: 786 Days

Day: 22.2 Hours

Environment

Temp: -54 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.44 AU - 3.48 AU

Year: 1889 Days

Day: 43.3 Hours

Environment

Temp: -109 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 81,453,737 km

• M1: 362,775 km (0.092 R)
• M2: 2,142,989 km (0.04 R)

Asteroid Belt

Center: 8.3 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 13.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.1

Radius: 3.2

Gravity: 94.05 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 13.11 AU - 14.17 AU

Year: 18682 Days

Day: 19.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,453,737 km

• M1: 39,793 km (0.119 R)
• M2: 227,090 km (0.032 R)
• M3: 461,360 km (0.085 R)
• M4: 671,694 km (0.074 R)
• M5: 815,458 km (0.045 R)
• M6: 918,531 km (0.099 R)
• M7: 1,082,939 km (0.071 R)
• M8: 1,342,641 km (0.03 R)
• M9: 1,572,124 km (0.048 R)
• M10: 1,789,041 km (0.118 R)
• M11: 2,108,732 km (0.056 R)
• M12: 2,912,671 km (0.056 R)
• M13: 4,402,217 km (0.054 R)
• M14: 6,201,729 km (0.079 R)
• M15: 6,787,555 km (0.105 R)
• M16: 7,458,651 km (0.086 R)
• M17: 7,708,629 km (0.077 R)
• M18: 8,172,831 km (0.074 R)
• M19: 8,765,089 km (0.034 R)
• M20: 9,099,889 km (0.106 R)
• M21: 10,034,427 km (0.096 R)
• M22: 11,955,862 km (0.091 R)
• M23: 14,184,721 km (0.097 R)
• M24: 14,723,722 km (0.103 R)
• M25: 14,880,351 km (0.117 R)
• M26: 20,011,857 km (0.116 R)
• M27: 20,787,372 km (0.119 R)
• M28: 22,501,465 km (0.088 R)
• M29: 25,189,888 km (0.068 R)
• M30: 31,451,606 km (0.077 R)
• M31: 37,352,943 km (0.09 R)
• M32: 42,194,379 km (0.112 R)
• M33: 47,779,017 km (0.083 R)
• M34: 65,314,580 km (0.081 R)
• M35: 80,723,161 km (0.048 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: 437 - 12,571 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit