🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.66 AU - 0.82 AU

Year: 239 Days

Day: 44.3 Hours

Environment

Temp: 181 °C

Axial Tilt: 80.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,152,550 km

• M1: 48,320 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.32 AU - 1.6 AU

Year: 661 Days

Day: 21.5 Hours

Environment

Temp: -39 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.61 AU - 3.91 AU

Year: 2206 Days

Day: 15 Hours

Environment

Temp: -116 °C

Axial Tilt: 49.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 12.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483

Radius: 4.4

Gravity: 24.95 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 11.62 AU - 13.98 AU

Year: 17161 Days

Day: 18.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,152,550 km

• M1: 55,800 km (0.072 R)
• M2: 233,373 km (0.036 R)
• M3: 429,196 km (0.076 R)
• M4: 723,156 km (0.091 R)
• M5: 1,367,474 km (0.067 R)
• M6: 2,056,821 km (0.108 R)
• M7: 2,435,005 km (0.086 R)
• M8: 3,541,430 km (0.113 R)
• M9: 4,265,634 km (0.096 R)
• M10: 5,696,837 km (0.095 R)
• M11: 5,962,971 km (0.119 R)
• M12: 6,479,383 km (0.054 R)
• M13: 7,600,619 km (0.105 R)
• M14: 10,109,375 km (0.073 R)
• M15: 11,730,717 km (0.098 R)
• M16: 22,575,515 km (0.101 R)
• M17: 29,836,398 km (0.06 R)
• M18: 30,869,969 km (0.1 R)
• M19: 40,705,431 km (0.07 R)
• M20: 50,317,244 km (0.076 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 15,017 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit