🌌 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: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.65 AU - 0.79 AU

Year: 215 Days

Day: 25.5 Hours

Environment

Temp: 138 °C

Axial Tilt: 46.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.63 AU - 1.81 AU

Year: 793 Days

Day: 40.8 Hours

Environment

Temp: -35 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.93 AU - 3.01 AU

Year: 1364 Days

Day: 41.1 Hours

Environment

Temp: -79 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,810,474 km

• M1: 1,015,620 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.8

Radius: 5.4

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 19.11 AU - 19.93 AU

Year: 30311 Days

Day: 21.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,810,474 km

• M1: 73,303 km (0.116 R)
• M2: 457,620 km (0.069 R)
• M3: 788,082 km (0.103 R)
• M4: 1,495,380 km (0.115 R)
• M5: 3,707,634 km (0.113 R)
• M6: 5,552,325 km (0.055 R)
• M7: 7,537,040 km (0.096 R)
• M8: 9,375,149 km (0.101 R)
• M9: 9,717,728 km (0.118 R)
• M10: 12,353,942 km (0.032 R)
• M11: 16,893,639 km (0.093 R)
• M12: 22,331,671 km (0.049 R)
• M13: 28,711,422 km (0.112 R)
• M14: 35,102,991 km (0.102 R)
• M15: 50,428,844 km (0.1 R)
• M16: 56,386,878 km (0.082 R)
• M17: 60,609,129 km (0.072 R)
• M18: 62,195,315 km (0.072 R)
• M19: 65,657,458 km (0.054 R)
• M20: 68,390,013 km (0.117 R)
• M21: 68,816,965 km (0.116 R)
• M22: 75,437,419 km (0.115 R)

Kuiper Belt

Range: 31.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 15,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit