🌌 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: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.56 AU - 0.76 AU

Year: 187 Days

Day: 16.4 Hours

Environment

Temp: 156 °C

Axial Tilt: 39.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.21 AU - 4.69 AU

Year: 3269 Days

Day: 25.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 46.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.64 AU - 5.54 AU

Year: 3999 Days

Day: 33.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.2

Radius: 11.6

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.11 AU - 8.07 AU

Year: 5891 Days

Day: 7.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 16,682,420 km

• M1: 271,670 km (0.109 R)
• M2: 411,993 km (0.075 R)
• M3: 504,594 km (0.057 R)
• M4: 715,078 km (0.108 R)
• M5: 840,291 km (0.086 R)
• M6: 1,029,233 km (0.089 R)
• M7: 1,124,378 km (0.07 R)
• M8: 1,396,795 km (0.038 R)
• M9: 1,601,296 km (0.108 R)
• M10: 1,874,162 km (0.074 R)
• M11: 2,088,685 km (0.064 R)
• M12: 2,223,922 km (0.116 R)
• M13: 2,349,435 km (0.027 R)
• M14: 2,971,163 km (0.112 R)
• M15: 3,123,903 km (0.063 R)
• M16: 3,250,911 km (0.038 R)
• M17: 3,627,599 km (0.078 R)
• M18: 4,141,318 km (0.1 R)
• M19: 4,281,192 km (0.096 R)
• M20: 5,490,092 km (0.104 R)
• M21: 5,644,028 km (0.077 R)
• M22: 5,747,550 km (0.099 R)
• M23: 6,061,706 km (0.113 R)
• M24: 6,238,680 km (0.082 R)
• M25: 6,561,662 km (0.084 R)
• M26: 6,743,423 km (0.109 R)
• M27: 7,037,682 km (0.118 R)
• M28: 7,186,532 km (0.079 R)
• M29: 7,280,031 km (0.114 R)
• M30: 8,276,652 km (0.079 R)
• M31: 8,532,614 km (0.04 R)
• M32: 8,831,062 km (0.094 R)
• M33: 9,153,295 km (0.107 R)
• M34: 10,017,373 km (0.085 R)
• M35: 10,143,035 km (0.101 R)
• M36: 10,395,855 km (0.084 R)
• M37: 10,629,378 km (0.054 R)
• M38: 11,036,882 km (0.061 R)
• M39: 11,340,416 km (0.078 R)
• M40: 11,867,300 km (0.05 R)
• M41: 12,357,233 km (0.108 R)
• M42: 12,921,965 km (0.118 R)
• M43: 13,356,995 km (0.089 R)
• M44: 13,726,951 km (0.085 R)
• M45: 13,889,863 km (0.116 R)
• M46: 14,170,808 km (0.12 R)
• M47: 15,651,528 km (0.077 R)
• M48: 15,919,457 km (0.092 R)
• M49: 16,459,655 km (0.103 R)

Kuiper Belt

Range: 31.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 19,940 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit