🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.51 AU - 0.73 AU

Year: 172 Days

Day: 26.5 Hours

Environment

Temp: 244 °C

Axial Tilt: 7.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,051,034 km

• M1: 239,955 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.58 AU - 0.9 AU

Year: 224 Days

Day: 40.2 Hours

Environment

Temp: 218 °C

Axial Tilt: 2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.11 AU - 5.05 AU

Year: 3445 Days

Day: 18.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 15.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.8

Radius: 5

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 11.72 AU - 18.46 AU

Year: 20602 Days

Day: 24.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,051,034 km

• M1: 62,382 km (0.055 R)
• M2: 223,798 km (0.112 R)
• M3: 419,921 km (0.105 R)
• M4: 581,487 km (0.1 R)
• M5: 1,140,385 km (0.054 R)
• M6: 1,492,837 km (0.086 R)
• M7: 2,181,885 km (0.046 R)
• M8: 2,724,476 km (0.089 R)
• M9: 3,039,230 km (0.071 R)
• M10: 3,987,980 km (0.115 R)
• M11: 7,906,397 km (0.059 R)
• M12: 8,406,054 km (0.066 R)
• M13: 10,616,362 km (0.11 R)
• M14: 13,502,105 km (0.103 R)
• M15: 18,237,327 km (0.114 R)
• M16: 23,323,056 km (0.092 R)
• M17: 24,253,405 km (0.085 R)
• M18: 25,015,158 km (0.07 R)
• M19: 28,853,091 km (0.049 R)
• M20: 29,385,510 km (0.085 R)
• M21: 29,600,332 km (0.064 R)
• M22: 39,468,855 km (0.063 R)
• M23: 44,496,540 km (0.075 R)
• M24: 49,175,363 km (0.091 R)
• M25: 51,789,436 km (0.107 R)

Kuiper Belt

Range: 31.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 19,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit