🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.57 AU - 0.75 AU

Year: 201 Days

Day: 22.8 Hours

Environment

Temp: 203 °C

Axial Tilt: 19.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.8 AU - 1.14 AU

Year: 358 Days

Day: 33.8 Hours

Environment

Temp: 23 °C

Axial Tilt: 17.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3 AU - 3.6 AU

Year: 2246 Days

Day: 42.6 Hours

Environment

Temp: -127 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.5

Radius: 8.8

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.26 AU - 4.98 AU

Year: 3721 Days

Day: 6.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 18,282,896 km

• M1: 117,734 km (0.095 R)
• M2: 487,390 km (0.079 R)
• M3: 1,000,511 km (0.106 R)
• M4: 1,334,712 km (0.026 R)
• M5: 2,008,351 km (0.076 R)
• M6: 3,019,035 km (0.083 R)
• M7: 3,582,420 km (0.072 R)
• M8: 4,718,915 km (0.065 R)
• M9: 5,286,938 km (0.051 R)
• M10: 5,673,798 km (0.114 R)
• M11: 6,027,747 km (0.028 R)
• M12: 6,780,224 km (0.052 R)
• M13: 7,503,680 km (0.104 R)
• M14: 8,024,280 km (0.081 R)
• M15: 9,240,810 km (0.074 R)
• M16: 9,660,582 km (0.117 R)
• M17: 10,500,723 km (0.066 R)
• M18: 11,508,265 km (0.055 R)
• M19: 12,242,491 km (0.084 R)
• M20: 13,894,949 km (0.1 R)
• M21: 14,307,092 km (0.067 R)
• M22: 14,633,215 km (0.056 R)
• M23: 14,916,852 km (0.106 R)
• M24: 15,938,157 km (0.083 R)
• M25: 16,850,255 km (0.097 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 15,561 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit