🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.42 AU - 0.6 AU

Year: 132 Days

Day: 12.5 Hours

Environment

Temp: 215 °C

Axial Tilt: 14.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.4 AU - 0.64 AU

Year: 136 Days

Day: 20.7 Hours

Environment

Temp: 205 °C

Axial Tilt: 4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.79 AU - 1.25 AU

Year: 373 Days

Day: 37.9 Hours

Environment

Temp: 41 °C

Axial Tilt: 13.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.48 AU - 1.54 AU

Year: 671 Days

Day: 32.9 Hours

Environment

Temp: -34 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,716,481 km

• M1: 647,609 km (0.087 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.58 AU - 1.7 AU

Year: 760 Days

Day: 38.1 Hours

Environment

Temp: -39 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 16.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.9

Radius: 5.8

Gravity: 17.36 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 14.81 AU - 17.67 AU

Year: 23668 Days

Day: 24.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,716,481 km

• M1: 73,602 km (0.098 R)
• M2: 266,135 km (0.117 R)
• M3: 482,453 km (0.106 R)
• M4: 679,324 km (0.075 R)
• M5: 896,241 km (0.11 R)
• M6: 1,132,157 km (0.105 R)
• M7: 2,360,206 km (0.088 R)
• M8: 2,840,564 km (0.095 R)
• M9: 3,680,108 km (0.088 R)
• M10: 7,226,624 km (0.038 R)
• M11: 8,498,356 km (0.108 R)
• M12: 9,735,231 km (0.07 R)
• M13: 10,092,321 km (0.03 R)
• M14: 11,411,326 km (0.088 R)
• M15: 15,644,646 km (0.1 R)
• M16: 17,145,262 km (0.086 R)
• M17: 20,916,625 km (0.082 R)
• M18: 21,913,844 km (0.07 R)
• M19: 22,219,024 km (0.111 R)
• M20: 22,942,329 km (0.091 R)
• M21: 28,571,249 km (0.058 R)
• M22: 31,962,632 km (0.116 R)
• M23: 32,883,856 km (0.067 R)
• M24: 46,017,053 km (0.068 R)
• M25: 59,254,669 km (0.097 R)
• M26: 72,092,111 km (0.119 R)
• M27: 72,993,289 km (0.084 R)
• M28: 77,376,656 km (0.11 R)

Kuiper Belt

Range: 30.3 - 45.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 19,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit