🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.44 AU - 0.6 AU

Year: 142 Days

Day: 33.4 Hours

Environment

Temp: 175 °C

Axial Tilt: 2.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.83 AU - 0.85 AU

Year: 292 Days

Day: 28.6 Hours

Environment

Temp: 37 °C

Axial Tilt: 35.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.77 AU - 1.13 AU

Year: 351 Days

Day: 43.3 Hours

Environment

Temp: 22 °C

Axial Tilt: 35.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 50,747,711 km

• M1: 63,878 km (0.071 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.11 AU - 2.97 AU

Year: 1533 Days

Day: 40.5 Hours

Environment

Temp: -103 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.8

Radius: 9.5

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.97 AU - 13.23 AU

Year: 13071 Days

Day: 5.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,747,711 km

• M1: 118,781 km (0.118 R)
• M2: 465,399 km (0.105 R)
• M3: 766,839 km (0.109 R)
• M4: 1,071,121 km (0.086 R)
• M5: 1,626,428 km (0.1 R)
• M6: 2,108,133 km (0.109 R)
• M7: 2,559,919 km (0.115 R)
• M8: 3,191,222 km (0.113 R)
• M9: 4,982,207 km (0.094 R)
• M10: 6,038,219 km (0.116 R)
• M11: 6,523,066 km (0.086 R)
• M12: 6,873,723 km (0.057 R)
• M13: 7,741,391 km (0.078 R)
• M14: 8,090,552 km (0.116 R)
• M15: 10,202,425 km (0.096 R)
• M16: 10,729,309 km (0.074 R)
• M17: 11,218,943 km (0.118 R)
• M18: 11,723,536 km (0.102 R)
• M19: 14,806,599 km (0.106 R)
• M20: 17,261,799 km (0.105 R)
• M21: 22,255,675 km (0.083 R)
• M22: 26,825,890 km (0.027 R)
• M23: 27,124,488 km (0.103 R)
• M24: 29,487,984 km (0.089 R)
• M25: 30,992,041 km (0.119 R)
• M26: 31,762,919 km (0.113 R)
• M27: 36,172,616 km (0.041 R)
• M28: 37,397,373 km (0.071 R)
• M29: 37,770,171 km (0.118 R)
• M30: 40,449,619 km (0.067 R)
• M31: 42,844,830 km (0.025 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 14,725 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit