🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.82 AU - 1.3 AU

Year: 416 Days

Day: 22.8 Hours

Environment

Temp: 10 °C

Axial Tilt: 2.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.01 AU - 1.23 AU

Year: 451 Days

Day: 14.7 Hours

Environment

Temp: -14 °C

Axial Tilt: 31 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.21 AU - 1.31 AU

Year: 539 Days

Day: 28.5 Hours

Environment

Temp: -28 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.42 AU - 1.44 AU

Year: 651 Days

Day: 12.8 Hours

Environment

Temp: -46 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.7

Radius: 14.8

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.52 AU - 6.26 AU

Year: 4765 Days

Day: 5.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,326,269 km

• M1: 187,596 km (0.101 R)
• M2: 762,800 km (0.047 R)
• M3: 1,657,395 km (0.079 R)
• M4: 2,545,857 km (0.065 R)
• M5: 3,452,120 km (0.078 R)
• M6: 4,052,606 km (0.044 R)
• M7: 7,005,369 km (0.108 R)
• M8: 7,908,940 km (0.069 R)
• M9: 9,835,162 km (0.08 R)
• M10: 13,263,347 km (0.059 R)
• M11: 17,754,874 km (0.109 R)
• M12: 20,158,463 km (0.087 R)
• M13: 20,713,770 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.8

Radius: 13.5

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.34 AU - 7.9 AU

Year: 7235 Days

Day: 9.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,326,269 km

• M1: 197,768 km (0.114 R)
• M2: 2,383,393 km (0.062 R)
• M3: 3,185,986 km (0.099 R)
• M4: 3,822,974 km (0.094 R)
• M5: 11,777,691 km (0.096 R)
• M6: 12,547,671 km (0.055 R)
• M7: 12,989,733 km (0.081 R)
• M8: 15,208,868 km (0.087 R)
• M9: 15,916,166 km (0.099 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 19,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit