🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.68 AU - 1 AU

Year: 281 Days

Day: 38 Hours

Environment

Temp: 118 °C

Axial Tilt: 5.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,657,076 km

• M1: 389,104 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.86 AU - 0.96 AU

Year: 317 Days

Day: 14.5 Hours

Environment

Temp: 74 °C

Axial Tilt: 17.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,657,076 km

• M1: 97,687 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.99 AU - 2.71 AU

Year: 1316 Days

Day: 26.4 Hours

Environment

Temp: -73 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.8

Radius: 8

Gravity: 12.43 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.91 AU - 8.47 AU

Year: 7789 Days

Day: 10.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,657,076 km

• M1: 99,483 km (0.092 R)
• M2: 360,232 km (0.118 R)
• M3: 702,661 km (0.116 R)
• M4: 1,203,216 km (0.067 R)
• M5: 1,816,866 km (0.101 R)
• M6: 4,461,756 km (0.116 R)
• M7: 5,912,407 km (0.091 R)
• M8: 6,579,913 km (0.079 R)
• M9: 9,523,700 km (0.059 R)
• M10: 10,047,143 km (0.083 R)
• M11: 11,413,270 km (0.108 R)
• M12: 11,949,429 km (0.102 R)
• M13: 15,525,267 km (0.095 R)
• M14: 15,984,084 km (0.054 R)
• M15: 16,997,609 km (0.101 R)
• M16: 17,555,460 km (0.056 R)
• M17: 18,269,790 km (0.072 R)
• M18: 20,063,169 km (0.097 R)
• M19: 20,843,920 km (0.078 R)
• M20: 22,632,662 km (0.116 R)
• M21: 24,964,893 km (0.052 R)
• M22: 25,685,655 km (0.089 R)
• M23: 28,805,668 km (0.067 R)
• M24: 30,814,768 km (0.085 R)
• M25: 33,238,552 km (0.052 R)
• M26: 35,334,419 km (0.113 R)
• M27: 35,900,347 km (0.117 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: 535 - 20,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit