🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.42 AU - 0.66 AU

Year: 142 Days

Day: 41.6 Hours

Environment

Temp: 199 °C

Axial Tilt: 7.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 40,957,303 km

• M1: 143,913 km (0.051 R)
• M2: 197,170 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.79 AU - 1.31 AU

Year: 385 Days

Day: 43.7 Hours

Environment

Temp: 33 °C

Axial Tilt: 32.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.18 AU - 1.38 AU

Year: 519 Days

Day: 14.3 Hours

Environment

Temp: 19 °C

Axial Tilt: 35.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 40,957,303 km

• M1: 40,691 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.23 AU - 2.89 AU

Year: 1467 Days

Day: 41.3 Hours

Environment

Temp: -92 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,957,303 km

• M1: 651,948 km (0.116 R)

Asteroid Belt

Center: 5.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.4

Radius: 10.5

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.12 AU - 8.92 AU

Year: 7386 Days

Day: 6 Hours

Environment

Temp: -150 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,957,303 km

• M1: 132,693 km (0.117 R)
• M2: 536,308 km (0.092 R)
• M3: 898,934 km (0.107 R)
• M4: 1,926,372 km (0.096 R)
• M5: 2,723,878 km (0.104 R)
• M6: 3,399,312 km (0.099 R)
• M7: 5,112,358 km (0.097 R)
• M8: 5,739,622 km (0.038 R)
• M9: 7,494,105 km (0.041 R)
• M10: 9,397,439 km (0.111 R)
• M11: 9,813,770 km (0.108 R)
• M12: 10,194,048 km (0.117 R)
• M13: 14,254,583 km (0.025 R)
• M14: 14,619,751 km (0.038 R)
• M15: 16,143,705 km (0.05 R)
• M16: 18,915,005 km (0.118 R)
• M17: 19,654,467 km (0.099 R)
• M18: 24,676,019 km (0.09 R)
• M19: 25,026,677 km (0.117 R)
• M20: 25,917,981 km (0.111 R)
• M21: 28,047,806 km (0.049 R)
• M22: 28,622,112 km (0.103 R)
• M23: 29,893,245 km (0.075 R)
• M24: 30,291,923 km (0.043 R)
• M25: 30,795,170 km (0.106 R)
• M26: 36,026,159 km (0.079 R)
• M27: 40,105,992 km (0.028 R)
• M28: 40,469,366 km (0.119 R)

Kuiper Belt

Range: 30.6 - 51.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 17,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit