🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.41 AU - 0.63 AU

Year: 171 Days

Day: 27.6 Hours

Environment

Temp: 6 °C

Axial Tilt: 35.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.42 AU - 0.62 AU

Year: 171 Days

Day: 34.1 Hours

Environment

Temp: 16 °C

Axial Tilt: 34.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.46 AU - 0.74 AU

Year: 212 Days

Day: 21.9 Hours

Environment

Temp: -7 °C

Axial Tilt: 36.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 9,701,518 km

• M1: 422,614 km (0.066 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.65 AU - 0.87 AU

Year: 302 Days

Day: 40.9 Hours

Environment

Temp: -40 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 9,701,518 km

• M1: 648,357 km (0.12 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.91 AU - 1.45 AU

Year: 585 Days

Day: 14.4 Hours

Environment

Temp: -81 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.82 AU - 2.28 AU

Year: 1340 Days

Day: 23.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 9,701,518 km

• M1: 1,400,685 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.9

Radius: 8.5

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.33 AU - 4.67 AU

Year: 4358 Days

Day: 12.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 9,701,518 km

• M1: 110,104 km (0.09 R)
• M2: 182,509 km (0.114 R)
• M3: 326,871 km (0.079 R)
• M4: 587,022 km (0.112 R)
• M5: 719,865 km (0.083 R)
• M6: 820,245 km (0.108 R)
• M7: 1,385,276 km (0.073 R)
• M8: 1,504,655 km (0.114 R)
• M9: 2,291,690 km (0.06 R)
• M10: 2,442,784 km (0.071 R)
• M11: 3,247,171 km (0.109 R)
• M12: 3,498,346 km (0.089 R)
• M13: 3,662,455 km (0.117 R)
• M14: 3,871,294 km (0.108 R)
• M15: 4,344,322 km (0.06 R)
• M16: 4,587,718 km (0.103 R)
• M17: 4,677,327 km (0.108 R)
• M18: 5,368,170 km (0.055 R)
• M19: 5,943,823 km (0.098 R)
• M20: 7,036,336 km (0.098 R)
• M21: 7,758,594 km (0.081 R)
• M22: 8,823,133 km (0.038 R)
• M23: 8,976,919 km (0.105 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: 458 - 14,330 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit