🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.72 AU - 0.78 AU

Year: 227 Days

Day: 25.7 Hours

Environment

Temp: 160 °C

Axial Tilt: 6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.75 AU - 0.83 AU

Year: 246 Days

Day: 40.4 Hours

Environment

Temp: 143 °C

Axial Tilt: 39.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.03 AU - 2.31 AU

Year: 1118 Days

Day: 29.5 Hours

Environment

Temp: -60 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.34 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.1

Radius: 12.9

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.92 AU - 10.08 AU

Year: 8670 Days

Day: 8.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 178.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 29,437,636 km

• M1: 173,982 km (0.118 R)
• M2: 368,759 km (0.118 R)
• M3: 449,242 km (0.052 R)
• M4: 590,762 km (0.084 R)
• M5: 679,623 km (0.092 R)
• M6: 1,469,799 km (0.056 R)
• M7: 1,580,502 km (0.1 R)
• M8: 1,727,107 km (0.118 R)
• M9: 1,844,243 km (0.109 R)
• M10: 1,964,370 km (0.111 R)
• M11: 2,087,040 km (0.113 R)
• M12: 2,248,905 km (0.054 R)
• M13: 2,471,207 km (0.043 R)
• M14: 3,202,142 km (0.083 R)
• M15: 3,581,223 km (0.111 R)
• M16: 3,864,113 km (0.108 R)
• M17: 4,428,695 km (0.035 R)
• M18: 5,164,866 km (0.101 R)
• M19: 6,510,649 km (0.077 R)
• M20: 6,856,818 km (0.033 R)
• M21: 7,181,595 km (0.095 R)
• M22: 7,790,309 km (0.114 R)
• M23: 8,101,024 km (0.119 R)
• M24: 8,272,164 km (0.105 R)
• M25: 8,531,118 km (0.119 R)
• M26: 8,763,742 km (0.091 R)
• M27: 9,805,542 km (0.083 R)
• M28: 10,480,378 km (0.107 R)
• M29: 10,980,783 km (0.05 R)
• M30: 11,265,617 km (0.071 R)
• M31: 11,810,453 km (0.049 R)
• M32: 12,069,706 km (0.075 R)
• M33: 12,825,923 km (0.066 R)
• M34: 13,361,035 km (0.064 R)
• M35: 14,006,101 km (0.111 R)
• M36: 14,177,540 km (0.112 R)
• M37: 14,349,577 km (0.04 R)
• M38: 14,487,806 km (0.079 R)
• M39: 15,150,375 km (0.095 R)
• M40: 15,680,400 km (0.036 R)
• M41: 16,649,944 km (0.093 R)
• M42: 16,904,410 km (0.09 R)
• M43: 17,196,874 km (0.107 R)
• M44: 17,490,983 km (0.06 R)
• M45: 17,823,988 km (0.114 R)
• M46: 17,972,539 km (0.099 R)
• M47: 18,233,736 km (0.077 R)
• M48: 18,571,229 km (0.05 R)
• M49: 18,910,966 km (0.108 R)
• M50: 19,252,648 km (0.099 R)
• M51: 20,135,275 km (0.088 R)
• M52: 22,780,764 km (0.075 R)
• M53: 23,428,523 km (0.091 R)
• M54: 23,632,125 km (0.031 R)
• M55: 23,836,476 km (0.068 R)
• M56: 24,082,415 km (0.051 R)
• M57: 24,370,391 km (0.051 R)
• M58: 24,452,819 km (0.082 R)
• M59: 25,074,398 km (0.117 R)
• M60: 26,122,032 km (0.105 R)
• M61: 27,013,037 km (0.119 R)
• M62: 27,870,981 km (0.054 R)
• M63: 29,305,924 km (0.083 R)
• M64: 29,437,570 km (0.054 R)

Kuiper Belt

Range: 31.4 - 53.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 13,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit