🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.83 AU - 0.89 AU

Year: 294 Days

Day: 32.2 Hours

Environment

Temp: 158 °C

Axial Tilt: 10.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,707,854 km

• M1: 37,848 km (0.081 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.78 AU - 1.3 AU

Year: 391 Days

Day: 34.8 Hours

Environment

Temp: 27 °C

Axial Tilt: 23.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.46 AU - 4.56 AU

Year: 2963 Days

Day: 21 Hours

Environment

Temp: -132 °C

Axial Tilt: 62.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,707,854 km

• M1: 813,812 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.7

Radius: 6.9

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 15.13 AU - 16.63 AU

Year: 23348 Days

Day: 19.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,707,854 km

• M1: 86,468 km (0.03 R)
• M2: 430,692 km (0.111 R)
• M3: 1,660,686 km (0.075 R)
• M4: 3,571,051 km (0.094 R)
• M5: 6,698,245 km (0.103 R)
• M6: 8,716,918 km (0.117 R)
• M7: 9,561,847 km (0.052 R)
• M8: 12,294,402 km (0.086 R)
• M9: 12,554,104 km (0.092 R)
• M10: 16,983,547 km (0.118 R)
• M11: 18,213,541 km (0.047 R)
• M12: 18,551,333 km (0.092 R)
• M13: 24,848,954 km (0.03 R)
• M14: 27,522,867 km (0.04 R)
• M15: 27,967,771 km (0.095 R)
• M16: 28,871,940 km (0.101 R)
• M17: 29,795,558 km (0.102 R)
• M18: 30,738,622 km (0.116 R)
• M19: 32,560,276 km (0.11 R)
• M20: 43,805,548 km (0.119 R)
• M21: 51,122,380 km (0.119 R)
• M22: 57,567,355 km (0.09 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 12,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit