🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.41 AU - 0.61 AU

Year: 129 Days

Day: 16.6 Hours

Environment

Temp: 270 °C

Axial Tilt: 31 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.94 AU - 1.42 AU

Year: 453 Days

Day: 41.6 Hours

Environment

Temp: 18 °C

Axial Tilt: 1.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 29,544,947 km

• M1: 66,721 km (0.091 R)
• M2: 770,579 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.05 AU - 2.61 AU

Year: 1256 Days

Day: 39.5 Hours

Environment

Temp: -78 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 29,544,947 km

• M1: 24,833 km (0.099 R)
• M2: 836,102 km (0.115 R)

Asteroid Belt

Center: 5.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.4

Radius: 11.3

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.25 AU - 9.25 AU

Year: 7618 Days

Day: 5.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,544,947 km

• M1: 140,622 km (0.077 R)
• M2: 541,993 km (0.091 R)
• M3: 910,901 km (0.111 R)
• M4: 1,358,498 km (0.079 R)
• M5: 1,884,784 km (0.104 R)
• M6: 2,397,755 km (0.057 R)
• M7: 3,077,976 km (0.064 R)
• M8: 3,453,766 km (0.062 R)
• M9: 4,063,976 km (0.05 R)
• M10: 6,652,019 km (0.076 R)
• M11: 7,633,979 km (0.108 R)
• M12: 8,328,113 km (0.038 R)
• M13: 9,143,571 km (0.119 R)
• M14: 10,843,602 km (0.03 R)
• M15: 11,392,327 km (0.107 R)
• M16: 13,564,637 km (0.106 R)
• M17: 14,040,807 km (0.113 R)
• M18: 14,859,407 km (0.064 R)
• M19: 15,479,640 km (0.111 R)
• M20: 18,974,246 km (0.085 R)
• M21: 20,939,663 km (0.054 R)
• M22: 21,647,859 km (0.055 R)
• M23: 22,153,051 km (0.119 R)
• M24: 25,912,595 km (0.117 R)
• M25: 26,811,529 km (0.069 R)

Kuiper Belt

Range: 31.1 - 48.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 16,419 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit