🌌 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: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.52 AU - 0.56 AU

Year: 183 Days

Day: 33.2 Hours

Environment

Temp: 6 °C

Axial Tilt: 41.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 13,976,256 km

• M1: 67,020 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.5 AU - 0.66 AU

Year: 203 Days

Day: 26.5 Hours

Environment

Temp: -4 °C

Axial Tilt: 1.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 13,976,256 km

• M1: 181,163 km (0.052 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.74 AU - 1.2 AU

Year: 440 Days

Day: 24.1 Hours

Environment

Temp: -64 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 13,976,256 km

• M1: 32,762 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.91 AU - 1.29 AU

Year: 531 Days

Day: 27.8 Hours

Environment

Temp: -95 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.4

Radius: 10

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.26 AU - 3.46 AU

Year: 2834 Days

Day: 9.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 13,976,256 km

• M1: 124,615 km (0.11 R)
• M2: 502,050 km (0.118 R)
• M3: 866,620 km (0.108 R)
• M4: 1,264,551 km (0.068 R)
• M5: 1,824,795 km (0.108 R)
• M6: 2,403,888 km (0.087 R)
• M7: 3,687,887 km (0.104 R)
• M8: 4,403,413 km (0.07 R)
• M9: 4,978,168 km (0.059 R)
• M10: 5,512,981 km (0.03 R)
• M11: 5,828,931 km (0.108 R)
• M12: 7,650,585 km (0.03 R)
• M13: 8,782,143 km (0.087 R)
• M14: 12,417,970 km (0.119 R)
• M15: 13,201,563 km (0.059 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 17,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit