🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.42 AU - 0.66 AU

Year: 144 Days

Day: 37.4 Hours

Environment

Temp: 232 °C

Axial Tilt: 18.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 48,782,254 km

• M1: 44,431 km (0.118 R)
• M2: 522,097 km (0.055 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.54 AU - 1.54 AU

Year: 691 Days

Day: 36.4 Hours

Environment

Temp: -29 °C

Axial Tilt: 43.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.52 AU - 1.7 AU

Year: 739 Days

Day: 21.2 Hours

Environment

Temp: -48 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,782,254 km

• M1: 112,049 km (0.118 R)
• M2: 136,732 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.8

Radius: 14.9

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 8.36 AU - 13.5 AU

Year: 13068 Days

Day: 13.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,782,254 km

• M1: 185,352 km (0.118 R)
• M2: 746,194 km (0.076 R)
• M3: 1,407,716 km (0.098 R)
• M4: 2,129,226 km (0.118 R)
• M5: 3,157,562 km (0.051 R)
• M6: 3,863,515 km (0.116 R)
• M7: 4,438,868 km (0.092 R)
• M8: 5,008,686 km (0.042 R)
• M9: 5,937,689 km (0.101 R)
• M10: 6,481,178 km (0.117 R)
• M11: 7,018,384 km (0.056 R)
• M12: 8,765,538 km (0.115 R)
• M13: 11,936,265 km (0.079 R)
• M14: 15,736,948 km (0.111 R)
• M15: 18,551,632 km (0.043 R)
• M16: 19,324,305 km (0.091 R)
• M17: 20,523,631 km (0.084 R)
• M18: 30,346,975 km (0.116 R)
• M19: 43,856,112 km (0.113 R)
• M20: 44,538,428 km (0.06 R)
• M21: 47,053,617 km (0.104 R)

Kuiper Belt

Range: 30.3 - 50.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 12,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit