🌌 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: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.83 AU - 0.89 AU

Year: 291 Days

Day: 47.8 Hours

Environment

Temp: 98 °C

Axial Tilt: 4.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.99 AU - 1.61 AU

Year: 541 Days

Day: 33.2 Hours

Environment

Temp: 1 °C

Axial Tilt: 24.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 47,297,800 km

• M1: 35,006 km (0.091 R)
• M2: 248,183 km (0.075 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.08 AU - 1.7 AU

Year: 599 Days

Day: 36.6 Hours

Environment

Temp: -26 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.13 AU - 2.35 AU

Year: 1225 Days

Day: 32.9 Hours

Environment

Temp: -87 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 47,297,800 km

• M1: 77,193 km (0.097 R)
• M2: 563,834 km (0.072 R)

Asteroid Belt

Center: 5.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.4

Radius: 12.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 7.77 AU - 11.49 AU

Year: 10915 Days

Day: 11.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,297,800 km

• M1: 155,582 km (0.092 R)
• M2: 630,555 km (0.083 R)
• M3: 1,212,640 km (0.118 R)
• M4: 2,601,956 km (0.083 R)
• M5: 3,956,116 km (0.04 R)
• M6: 4,422,711 km (0.087 R)
• M7: 5,500,415 km (0.094 R)
• M8: 6,482,824 km (0.12 R)
• M9: 7,016,140 km (0.099 R)
• M10: 7,578,628 km (0.101 R)
• M11: 8,214,569 km (0.072 R)
• M12: 9,936,291 km (0.092 R)
• M13: 12,571,607 km (0.045 R)
• M14: 13,585,880 km (0.053 R)
• M15: 14,589,532 km (0.068 R)
• M16: 15,307,901 km (0.094 R)
• M17: 15,709,572 km (0.077 R)
• M18: 16,957,068 km (0.114 R)
• M19: 19,648,484 km (0.047 R)
• M20: 21,426,903 km (0.097 R)
• M21: 26,434,542 km (0.119 R)
• M22: 27,404,236 km (0.089 R)
• M23: 29,414,382 km (0.052 R)
• M24: 31,737,188 km (0.115 R)
• M25: 34,065,978 km (0.041 R)
• M26: 35,563,603 km (0.085 R)
• M27: 41,733,767 km (0.086 R)
• M28: 44,797,681 km (0.1 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 18,961 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit