🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.69 AU - 1.03 AU

Year: 293 Days

Day: 13.1 Hours

Environment

Temp: 103 °C

Axial Tilt: 6.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,528,392 km

• M1: 243,396 km (0.07 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.79 AU - 3.97 AU

Year: 2806 Days

Day: 14.9 Hours

Environment

Temp: -119 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.2

Radius: 12.5

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.95 AU - 7.13 AU

Year: 6857 Days

Day: 9.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 146.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,528,392 km

• M1: 278,402 km (0.095 R)
• M2: 1,802,954 km (0.105 R)
• M3: 3,044,765 km (0.088 R)
• M4: 3,830,603 km (0.041 R)
• M5: 8,220,104 km (0.12 R)
• M6: 12,624,564 km (0.09 R)
• M7: 18,172,701 km (0.059 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 308.3

Radius: 4.4

Gravity: 15.92 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 12.53 AU - 12.87 AU

Year: 16614 Days

Day: 15.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,528,392 km

• M1: 55,202 km (0.107 R)
• M2: 202,107 km (0.11 R)
• M3: 396,734 km (0.102 R)
• M4: 839,842 km (0.119 R)
• M5: 980,464 km (0.058 R)
• M6: 1,694,345 km (0.089 R)
• M7: 2,516,835 km (0.084 R)
• M8: 3,155,318 km (0.054 R)
• M9: 3,680,856 km (0.061 R)
• M10: 8,618,633 km (0.115 R)
• M11: 9,142,823 km (0.114 R)
• M12: 9,891,561 km (0.086 R)
• M13: 10,842,854 km (0.045 R)
• M14: 11,173,016 km (0.116 R)
• M15: 11,396,815 km (0.049 R)
• M16: 12,027,968 km (0.051 R)
• M17: 14,321,603 km (0.112 R)
• M18: 15,260,479 km (0.107 R)
• M19: 20,744,438 km (0.109 R)
• M20: 22,031,877 km (0.055 R)
• M21: 23,554,185 km (0.076 R)
• M22: 24,954,421 km (0.116 R)
• M23: 30,129,610 km (0.116 R)
• M24: 31,554,529 km (0.116 R)
• M25: 35,252,289 km (0.095 R)
• M26: 37,955,523 km (0.09 R)
• M27: 42,264,390 km (0.063 R)
• M28: 45,311,250 km (0.085 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 19,947 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit