🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.56 AU - 0.88 AU

Year: 228 Days

Day: 36.2 Hours

Environment

Temp: 141 °C

Axial Tilt: 4.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.02 AU - 1.14 AU

Year: 418 Days

Day: 31.8 Hours

Environment

Temp: 3 °C

Axial Tilt: 41.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.53 AU - 1.87 AU

Year: 826 Days

Day: 13.9 Hours

Environment

Temp: -52 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.43 AU - 3.59 AU

Year: 1947 Days

Day: 34.3 Hours

Environment

Temp: -115 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,239,154 km

• M1: 2,375,764 km (0.092 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.86 AU - 4.26 AU

Year: 3050 Days

Day: 16.3 Hours

Environment

Temp: -124 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,239,154 km

• M1: 50,265 km (0.064 R)

Asteroid Belt

Center: 11.11 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 18.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.5

Radius: 4.7

Gravity: 20.26 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 16.73 AU - 19.57 AU

Year: 28825 Days

Day: 18.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 84,239,154 km

• M1: 58,642 km (0.111 R)
• M2: 525,238 km (0.102 R)
• M3: 1,017,266 km (0.113 R)
• M4: 2,974,903 km (0.114 R)
• M5: 3,280,233 km (0.088 R)
• M6: 5,945,618 km (0.056 R)
• M7: 6,118,703 km (0.112 R)
• M8: 6,658,452 km (0.108 R)
• M9: 7,426,637 km (0.105 R)
• M10: 8,040,437 km (0.106 R)
• M11: 10,023,057 km (0.108 R)
• M12: 10,581,057 km (0.079 R)
• M13: 11,963,342 km (0.098 R)
• M14: 17,347,369 km (0.105 R)
• M15: 17,523,745 km (0.114 R)
• M16: 24,040,677 km (0.065 R)
• M17: 25,490,430 km (0.097 R)
• M18: 28,196,356 km (0.075 R)
• M19: 30,315,111 km (0.091 R)
• M20: 34,587,028 km (0.102 R)
• M21: 36,000,129 km (0.055 R)
• M22: 38,042,290 km (0.082 R)
• M23: 38,789,980 km (0.027 R)
• M24: 43,808,689 km (0.048 R)
• M25: 44,961,490 km (0.073 R)
• M26: 50,131,144 km (0.102 R)
• M27: 56,259,870 km (0.087 R)
• M28: 57,621,061 km (0.08 R)
• M29: 71,777,956 km (0.081 R)
• M30: 76,650,508 km (0.113 R)
• M31: 77,842,354 km (0.082 R)
• M32: 81,244,808 km (0.12 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 13,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit