🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.72 AU - 0.82 AU

Year: 256 Days

Day: 39 Hours

Environment

Temp: 95 °C

Axial Tilt: 17 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,914,764 km

• M1: 91,853 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.67 AU - 0.89 AU

Year: 261 Days

Day: 37.1 Hours

Environment

Temp: 110 °C

Axial Tilt: 11.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,914,764 km

• M1: 92,003 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.14 AU - 1.42 AU

Year: 548 Days

Day: 32.5 Hours

Environment

Temp: -38 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.37 AU - 4.01 AU

Year: 2685 Days

Day: 36 Hours

Environment

Temp: -137 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.35 AU - 4.65 AU

Year: 3030 Days

Day: 30.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,914,764 km

• M1: 243,695 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.4

Radius: 3.8

Gravity: 24.34 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 16.21 AU - 22.11 AU

Year: 31764 Days

Day: 23.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,914,764 km

• M1: 85,121 km (0.096 R)
• M2: 237,861 km (0.069 R)
• M3: 761,154 km (0.11 R)
• M4: 966,253 km (0.079 R)
• M5: 1,122,732 km (0.109 R)
• M6: 2,131,620 km (0.075 R)
• M7: 2,762,624 km (0.093 R)
• M8: 3,692,375 km (0.1 R)
• M9: 8,596,043 km (0.096 R)
• M10: 9,618,545 km (0.1 R)
• M11: 11,366,147 km (0.034 R)
• M12: 11,565,112 km (0.091 R)
• M13: 13,023,542 km (0.077 R)
• M14: 14,061,153 km (0.029 R)
• M15: 18,949,263 km (0.093 R)
• M16: 19,135,512 km (0.102 R)
• M17: 25,532,916 km (0.047 R)
• M18: 29,957,871 km (0.104 R)
• M19: 32,284,118 km (0.101 R)
• M20: 32,816,986 km (0.042 R)
• M21: 33,491,223 km (0.039 R)
• M22: 34,174,586 km (0.12 R)
• M23: 35,006,949 km (0.103 R)
• M24: 35,287,445 km (0.106 R)
• M25: 35,852,775 km (0.07 R)
• M26: 43,115,004 km (0.068 R)
• M27: 46,409,598 km (0.072 R)
• M28: 49,691,326 km (0.107 R)
• M29: 51,118,041 km (0.043 R)
• M30: 60,861,351 km (0.105 R)
• M31: 65,633,074 km (0.117 R)
• M32: 68,000,759 km (0.085 R)
• M33: 71,320,336 km (0.074 R)
• M34: 75,678,122 km (0.117 R)
• M35: 78,520,033 km (0.089 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 15,424 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit