🌌 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: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.75 AU - 0.81 AU

Year: 249 Days

Day: 30.4 Hours

Environment

Temp: 115 °C

Axial Tilt: 16.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.95 AU - 1.17 AU

Year: 395 Days

Day: 38.6 Hours

Environment

Temp: 34 °C

Axial Tilt: 27 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 62,093,767 km

• M1: 83,476 km (0.067 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.51 AU - 2.47 AU

Year: 1015 Days

Day: 35.6 Hours

Environment

Temp: -59 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,093,767 km

• M1: 301,141 km (0.062 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.88 AU - 2.32 AU

Year: 1101 Days

Day: 27 Hours

Environment

Temp: -74 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.59 AU - 2.67 AU

Year: 1542 Days

Day: 26.5 Hours

Environment

Temp: -85 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,093,767 km

• M1: 36,203 km (0.066 R)

Asteroid Belt

Center: 8.42 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 14.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.8

Radius: 5.6

Gravity: 12.65 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 12.89 AU - 15.53 AU

Year: 19372 Days

Day: 17.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,093,767 km

• M1: 70,161 km (0.081 R)
• M2: 309,668 km (0.079 R)
• M3: 686,056 km (0.064 R)
• M4: 2,298,571 km (0.083 R)
• M5: 5,609,322 km (0.1 R)
• M6: 8,200,806 km (0.053 R)
• M7: 11,020,576 km (0.072 R)
• M8: 12,171,283 km (0.111 R)
• M9: 16,025,971 km (0.116 R)
• M10: 17,659,281 km (0.108 R)
• M11: 28,496,150 km (0.095 R)
• M12: 41,053,695 km (0.07 R)
• M13: 42,193,481 km (0.111 R)
• M14: 42,771,078 km (0.113 R)
• M15: 46,655,238 km (0.11 R)
• M16: 49,478,000 km (0.103 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 18,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit