🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.47 AU - 0.75 AU

Year: 170 Days

Day: 34.1 Hours

Environment

Temp: 176 °C

Axial Tilt: 33.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.68 AU - 1.04 AU

Year: 284 Days

Day: 17.3 Hours

Environment

Temp: 137 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.04 AU - 1.08 AU

Year: 389 Days

Day: 41.9 Hours

Environment

Temp: 35 °C

Axial Tilt: 0.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.94 AU - 1.26 AU

Year: 411 Days

Day: 44.7 Hours

Environment

Temp: 23 °C

Axial Tilt: 5.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.26 AU - 1.28 AU

Year: 510 Days

Day: 40.1 Hours

Environment

Temp: 3 °C

Axial Tilt: 31 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Ice Giant

Semi-Major Axis: 20.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.4

Radius: 5

Gravity: 30.94 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 19.13 AU - 21.57 AU

Year: 32722 Days

Day: 20.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 110,010,161 km

• M1: 66,122 km (0.1 R)
• M2: 425,905 km (0.118 R)
• M3: 877,392 km (0.033 R)
• M4: 1,435,092 km (0.105 R)
• M5: 1,972,448 km (0.108 R)
• M6: 2,554,234 km (0.114 R)
• M7: 3,732,916 km (0.095 R)
• M8: 5,149,308 km (0.076 R)
• M9: 5,321,196 km (0.069 R)
• M10: 7,639,963 km (0.09 R)
• M11: 13,236,569 km (0.064 R)
• M12: 15,790,803 km (0.075 R)
• M13: 16,246,329 km (0.113 R)
• M14: 22,758,174 km (0.079 R)
• M15: 25,637,036 km (0.09 R)
• M16: 34,786,142 km (0.046 R)
• M17: 40,250,953 km (0.113 R)
• M18: 50,452,929 km (0.115 R)
• M19: 52,640,648 km (0.117 R)
• M20: 54,683,557 km (0.046 R)
• M21: 58,926,900 km (0.094 R)
• M22: 63,842,238 km (0.043 R)
• M23: 105,456,625 km (0.051 R)
• M24: 108,696,018 km (0.103 R)
• M25: 109,023,637 km (0.091 R)

Kuiper Belt

Range: 30.8 - 60.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 17,853 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit