🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.91 AU - 1.17 AU

Year: 378 Days

Day: 29.8 Hours

Environment

Temp: 23 °C

Axial Tilt: 34.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 107,992,172 km

• M1: 175,478 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.93 AU - 2.67 AU

Year: 1243 Days

Day: 35.3 Hours

Environment

Temp: -80 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.85 AU - 3.11 AU

Year: 1834 Days

Day: 26.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 107,992,172 km

• M1: 11,669 km (0.1 R)
• M2: 143,165 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.9

Radius: 6.8

Gravity: 20.46 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 17.99 AU - 19.37 AU

Year: 28778 Days

Day: 20 Hours

Environment

Temp: -199 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 107,992,172 km

• M1: 84,822 km (0.088 R)
• M2: 456,124 km (0.095 R)
• M3: 1,112,709 km (0.09 R)
• M4: 1,502,860 km (0.114 R)
• M5: 2,185,026 km (0.087 R)
• M6: 2,969,069 km (0.113 R)
• M7: 4,953,185 km (0.098 R)
• M8: 6,584,550 km (0.04 R)
• M9: 6,836,473 km (0.079 R)
• M10: 7,630,987 km (0.113 R)
• M11: 8,079,183 km (0.063 R)
• M12: 9,151,799 km (0.119 R)
• M13: 10,587,789 km (0.117 R)
• M14: 11,722,489 km (0.12 R)
• M15: 16,701,256 km (0.053 R)
• M16: 24,457,307 km (0.094 R)
• M17: 26,177,084 km (0.068 R)
• M18: 33,418,968 km (0.095 R)
• M19: 36,623,055 km (0.108 R)
• M20: 42,582,136 km (0.117 R)
• M21: 44,524,216 km (0.057 R)
• M22: 45,244,829 km (0.108 R)
• M23: 49,732,765 km (0.119 R)
• M24: 50,119,625 km (0.108 R)
• M25: 50,899,479 km (0.086 R)
• M26: 52,884,194 km (0.032 R)
• M27: 54,099,527 km (0.063 R)
• M28: 54,919,921 km (0.117 R)
• M29: 59,581,391 km (0.116 R)
• M30: 63,813,665 km (0.083 R)
• M31: 77,965,174 km (0.031 R)
• M32: 84,660,128 km (0.085 R)

Kuiper Belt

Range: 30.8 - 49.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 11,591 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit