🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.33 AU - 1.43 AU

Year: 581 Days

Day: 15.2 Hours

Environment

Temp: 1 °C

Axial Tilt: 29 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 41,709,701 km

• M1: 43,084 km (0.064 R)
• M2: 593,754 km (0.044 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.09 AU - 2.59 AU

Year: 1282 Days

Day: 40.8 Hours

Environment

Temp: -65 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,709,701 km

• M1: 236,963 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.37 AU - 3.85 AU

Year: 2457 Days

Day: 30.7 Hours

Environment

Temp: -121 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559

Radius: 15

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.8 AU - 10.34 AU

Year: 8986 Days

Day: 14.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,709,701 km

• M1: 198,516 km (0.066 R)
• M2: 672,293 km (0.036 R)
• M3: 1,997,580 km (0.1 R)
• M4: 2,687,675 km (0.103 R)
• M5: 3,895,229 km (0.103 R)
• M6: 6,298,669 km (0.074 R)
• M7: 7,400,756 km (0.083 R)
• M8: 8,039,390 km (0.103 R)
• M9: 8,933,237 km (0.088 R)
• M10: 9,751,238 km (0.088 R)
• M11: 10,818,469 km (0.096 R)
• M12: 13,650,058 km (0.117 R)
• M13: 14,674,504 km (0.097 R)
• M14: 15,620,561 km (0.041 R)
• M15: 16,273,406 km (0.087 R)
• M16: 19,143,292 km (0.07 R)
• M17: 20,349,649 km (0.03 R)
• M18: 21,287,328 km (0.119 R)
• M19: 26,139,685 km (0.104 R)
• M20: 30,557,908 km (0.053 R)
• M21: 40,232,702 km (0.064 R)

Kuiper Belt

Range: 30.6 - 58.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 14,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit