🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.87 AU - 1.31 AU

Year: 327 Days

Day: 14.9 Hours

Environment

Temp: 205 °C

Axial Tilt: 21.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.65 AU - 2.59 AU

Year: 886 Days

Day: 16.7 Hours

Environment

Temp: 144 °C

Axial Tilt: 38.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.91 AU - 5.23 AU

Year: 2804 Days

Day: 39.4 Hours

Environment

Temp: -72 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.69 AU - 5.71 AU

Year: 2924 Days

Day: 36.5 Hours

Environment

Temp: -58 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,443,878 km

• M1: 32,014 km (0.05 R)

Planet 5 - Terrestrial

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.4 AU - 6.42 AU

Year: 4657 Days

Day: 31.9 Hours

Environment

Temp: -106 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,443,878 km

• M1: 432,936 km (0.063 R)
• M2: 2,403,140 km (0.081 R)

Asteroid Belt

Center: 11.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 17.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547

Radius: 13.3

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 13.32 AU - 20.96 AU

Year: 20363 Days

Day: 5.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,443,878 km

• M1: 167,400 km (0.104 R)
• M2: 999,164 km (0.12 R)
• M3: 1,418,188 km (0.087 R)
• M4: 1,868,029 km (0.112 R)
• M5: 2,612,278 km (0.075 R)
• M6: 3,092,338 km (0.09 R)
• M7: 3,546,666 km (0.05 R)
• M8: 4,107,509 km (0.09 R)
• M9: 4,558,247 km (0.113 R)
• M10: 5,114,003 km (0.06 R)
• M11: 5,793,028 km (0.078 R)
• M12: 13,929,357 km (0.097 R)
• M13: 18,330,077 km (0.042 R)
• M14: 21,316,649 km (0.12 R)
• M15: 24,929,588 km (0.097 R)
• M16: 26,328,926 km (0.093 R)
• M17: 27,103,843 km (0.106 R)
• M18: 29,757,410 km (0.093 R)
• M19: 33,472,972 km (0.045 R)
• M20: 34,382,527 km (0.054 R)
• M21: 34,909,561 km (0.116 R)
• M22: 36,934,368 km (0.038 R)
• M23: 37,487,282 km (0.11 R)
• M24: 49,071,692 km (0.089 R)
• M25: 51,609,470 km (0.094 R)
• M26: 52,823,307 km (0.095 R)
• M27: 53,525,370 km (0.113 R)
• M28: 58,055,343 km (0.093 R)
• M29: 64,218,476 km (0.043 R)

Kuiper Belt

Range: 38.3 - 60.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 15,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit