🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.05 AU - 1.27 AU

Year: 456 Days

Day: 27.3 Hours

Environment

Temp: 24 °C

Axial Tilt: 17.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 72,015,748 km

• M1: 127,308 km (0.089 R)
• M2: 188,942 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.02 AU - 1.56 AU

Year: 535 Days

Day: 39.3 Hours

Environment

Temp: -1 °C

Axial Tilt: 31 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.36 AU - 1.4 AU

Year: 592 Days

Day: 39 Hours

Environment

Temp: -21 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,015,748 km

• M1: 402,568 km (0.053 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.6 AU - 3.4 AU

Year: 1898 Days

Day: 32.6 Hours

Environment

Temp: -102 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,015,748 km

• M1: 44,281 km (0.116 R)

Asteroid Belt

Center: 8.68 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 14.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.3

Radius: 7

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 13.25 AU - 15.45 AU

Year: 19855 Days

Day: 17.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,015,748 km

• M1: 94,097 km (0.068 R)
• M2: 365,468 km (0.086 R)
• M3: 1,471,594 km (0.085 R)
• M4: 1,734,737 km (0.109 R)
• M5: 2,168,272 km (0.067 R)
• M6: 3,305,066 km (0.103 R)
• M7: 4,936,431 km (0.085 R)
• M8: 6,256,033 km (0.087 R)
• M9: 7,602,713 km (0.064 R)
• M10: 7,992,117 km (0.096 R)
• M11: 15,546,061 km (0.057 R)
• M12: 16,333,395 km (0.079 R)
• M13: 19,120,104 km (0.104 R)
• M14: 21,817,503 km (0.094 R)
• M15: 23,004,413 km (0.107 R)
• M16: 26,489,295 km (0.082 R)
• M17: 27,271,243 km (0.082 R)
• M18: 27,724,973 km (0.063 R)
• M19: 32,415,764 km (0.105 R)
• M20: 33,181,406 km (0.111 R)
• M21: 39,746,209 km (0.102 R)
• M22: 40,037,177 km (0.077 R)
• M23: 41,962,652 km (0.059 R)
• M24: 47,289,233 km (0.112 R)
• M25: 52,698,094 km (0.068 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 12,321 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit