🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.6 AU - 0.96 AU

Year: 242 Days

Day: 29.3 Hours

Environment

Temp: 193 °C

Axial Tilt: 36.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.88 AU - 1.18 AU

Year: 367 Days

Day: 38.5 Hours

Environment

Temp: 153 °C

Axial Tilt: 31.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.86 AU - 2.62 AU

Year: 1178 Days

Day: 27.2 Hours

Environment

Temp: -60 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,551,698 km

• M1: 206,744 km (0.052 R)

Planet 4 - Terrestrial

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.2 AU - 5.76 AU

Year: 4509 Days

Day: 38.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,551,698 km

• M1: 106,514 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.9

Radius: 14.6

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 12.21 AU - 13.13 AU

Year: 15851 Days

Day: 10.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,551,698 km

• M1: 181,761 km (0.08 R)
• M2: 635,791 km (0.069 R)
• M3: 1,418,637 km (0.106 R)
• M4: 2,053,829 km (0.091 R)
• M5: 2,895,467 km (0.075 R)
• M6: 3,365,055 km (0.104 R)
• M7: 4,837,846 km (0.11 R)
• M8: 5,295,465 km (0.06 R)
• M9: 6,500,626 km (0.105 R)
• M10: 7,842,818 km (0.105 R)
• M11: 8,396,330 km (0.114 R)
• M12: 10,590,332 km (0.073 R)
• M13: 11,871,638 km (0.096 R)
• M14: 12,603,172 km (0.112 R)
• M15: 14,214,191 km (0.025 R)
• M16: 14,979,384 km (0.049 R)
• M17: 17,574,159 km (0.054 R)
• M18: 20,015,597 km (0.091 R)
• M19: 20,678,315 km (0.083 R)
• M20: 21,584,729 km (0.114 R)
• M21: 23,802,517 km (0.084 R)
• M22: 24,630,392 km (0.085 R)
• M23: 35,364,637 km (0.043 R)

Kuiper Belt

Range: 31.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 19,971 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit