🌌 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: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.48 AU - 0.6 AU

Year: 141 Days

Day: 45.2 Hours

Environment

Temp: 259 °C

Axial Tilt: 15.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.65 AU - 1.69 AU

Year: 769 Days

Day: 31.4 Hours

Environment

Temp: -39 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,011,301 km

• M1: 250,128 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.81 AU - 2.11 AU

Year: 978 Days

Day: 42.7 Hours

Environment

Temp: -58 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 49,011,301 km

• M1: 40,541 km (0.1 R)
• M2: 180,265 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 20.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.9

Radius: 3.8

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 19.39 AU - 21.61 AU

Year: 33085 Days

Day: 21.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,011,301 km

• M1: 47,273 km (0.044 R)
• M2: 209,287 km (0.115 R)
• M3: 494,271 km (0.117 R)
• M4: 1,204,712 km (0.083 R)
• M5: 1,822,850 km (0.03 R)
• M6: 2,040,515 km (0.084 R)
• M7: 2,629,332 km (0.062 R)
• M8: 4,133,539 km (0.103 R)
• M9: 5,807,838 km (0.064 R)
• M10: 6,353,272 km (0.096 R)
• M11: 6,852,929 km (0.097 R)
• M12: 7,629,491 km (0.062 R)
• M13: 7,757,398 km (0.115 R)
• M14: 9,950,802 km (0.099 R)
• M15: 10,570,735 km (0.034 R)
• M16: 15,579,421 km (0.063 R)
• M17: 17,204,354 km (0.113 R)
• M18: 22,575,665 km (0.107 R)
• M19: 24,188,480 km (0.094 R)
• M20: 31,847,591 km (0.108 R)
• M21: 41,237,401 km (0.091 R)

Kuiper Belt

Range: 30.8 - 60.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 18,859 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit