🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.97 AU - 1.45 AU

Year: 491 Days

Day: 25 Hours

Environment

Temp: -14 °C

Axial Tilt: 31.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.65 AU - 2.33 AU

Year: 1036 Days

Day: 40.6 Hours

Environment

Temp: -61 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Ice Giant

Semi-Major Axis: 16.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.4

Radius: 5.6

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 14.81 AU - 18.25 AU

Year: 24796 Days

Day: 17 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,661,668 km

• M1: 69,862 km (0.114 R)
• M2: 951,293 km (0.108 R)
• M3: 2,730,460 km (0.083 R)
• M4: 3,261,084 km (0.033 R)
• M5: 3,835,689 km (0.101 R)
• M6: 4,575,750 km (0.082 R)
• M7: 7,363,806 km (0.064 R)
• M8: 8,084,419 km (0.113 R)
• M9: 9,049,774 km (0.117 R)
• M10: 9,581,145 km (0.099 R)
• M11: 10,840,909 km (0.078 R)
• M12: 14,826,495 km (0.074 R)
• M13: 15,391,826 km (0.092 R)
• M14: 18,114,806 km (0.066 R)
• M15: 19,023,464 km (0.077 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 11,998 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit