🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.3 AU - 2.14 AU

Year: 808 Days

Day: 20.8 Hours

Environment

Temp: -41 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.6 AU - 1.96 AU

Year: 851 Days

Day: 28.9 Hours

Environment

Temp: -53 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.99 AU - 2.11 AU

Year: 1051 Days

Day: 24.1 Hours

Environment

Temp: -70 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,794,922 km

• M1: 51,013 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.96 AU - 2.26 AU

Year: 1098 Days

Day: 41.3 Hours

Environment

Temp: -66 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 14.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.7

Radius: 5.4

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 13.65 AU - 15.79 AU

Year: 20227 Days

Day: 24.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,794,922 km

• M1: 67,169 km (0.074 R)
• M2: 396,434 km (0.114 R)
• M3: 899,532 km (0.091 R)
• M4: 2,741,680 km (0.087 R)
• M5: 3,260,785 km (0.087 R)
• M6: 3,741,443 km (0.058 R)
• M7: 4,025,380 km (0.078 R)
• M8: 4,694,531 km (0.049 R)
• M9: 5,024,992 km (0.05 R)
• M10: 6,322,604 km (0.086 R)
• M11: 6,688,371 km (0.073 R)
• M12: 8,380,174 km (0.119 R)
• M13: 14,307,540 km (0.049 R)
• M14: 15,520,181 km (0.111 R)
• M15: 16,252,761 km (0.073 R)
• M16: 17,359,187 km (0.117 R)
• M17: 20,343,066 km (0.112 R)
• M18: 23,913,519 km (0.111 R)
• M19: 24,620,967 km (0.054 R)
• M20: 26,732,392 km (0.092 R)
• M21: 28,368,394 km (0.101 R)
• M22: 33,565,274 km (0.11 R)
• M23: 35,581,405 km (0.11 R)
• M24: 39,976,291 km (0.092 R)

Kuiper Belt

Range: 30.6 - 49.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 10,577 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit