🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.64 AU - 0.78 AU

Year: 229 Days

Day: 15.8 Hours

Environment

Temp: 111 °C

Axial Tilt: 42.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.01 AU - 2.47 AU

Year: 1284 Days

Day: 32.7 Hours

Environment

Temp: -99 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.7

Radius: 10.9

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.42 AU - 5.84 AU

Year: 4449 Days

Day: 9.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,023,017 km

• M1: 135,536 km (0.084 R)
• M2: 678,726 km (0.118 R)
• M3: 1,170,454 km (0.099 R)
• M4: 1,854,415 km (0.039 R)
• M5: 2,264,912 km (0.092 R)
• M6: 2,913,119 km (0.074 R)
• M7: 3,534,100 km (0.053 R)
• M8: 4,124,862 km (0.084 R)
• M9: 6,056,021 km (0.076 R)
• M10: 7,686,339 km (0.088 R)
• M11: 8,117,779 km (0.12 R)
• M12: 9,673,746 km (0.067 R)
• M13: 10,391,966 km (0.101 R)
• M14: 11,145,490 km (0.108 R)
• M15: 13,316,006 km (0.08 R)
• M16: 15,077,072 km (0.087 R)
• M17: 16,748,529 km (0.064 R)
• M18: 17,352,605 km (0.119 R)
• M19: 18,096,555 km (0.068 R)
• M20: 23,912,621 km (0.112 R)
• M21: 24,293,647 km (0.094 R)
• M22: 25,224,744 km (0.089 R)
• M23: 27,739,933 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.4

Radius: 10.4

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.23 AU - 6.03 AU

Year: 4449 Days

Day: 6.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,023,017 km

• M1: 129,402 km (0.075 R)
• M2: 504,444 km (0.089 R)
• M3: 1,271,582 km (0.115 R)
• M4: 1,628,822 km (0.117 R)
• M5: 2,026,902 km (0.092 R)
• M6: 5,241,909 km (0.091 R)
• M7: 5,807,539 km (0.094 R)
• M8: 7,717,455 km (0.095 R)
• M9: 11,143,545 km (0.062 R)
• M10: 11,494,053 km (0.068 R)
• M11: 14,006,101 km (0.093 R)
• M12: 19,199,391 km (0.055 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 154 - 12,908 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit