🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.53 AU - 0.83 AU

Year: 195 Days

Day: 42.8 Hours

Environment

Temp: 226 °C

Axial Tilt: 116.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 16,093,887 km

• M1: 59,390 km (0.058 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.65 AU - 0.99 AU

Year: 259 Days

Day: 44 Hours

Environment

Temp: 194 °C

Axial Tilt: 6.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.09 AU - 1.63 AU

Year: 552 Days

Day: 46 Hours

Environment

Temp: 11 °C

Axial Tilt: 28.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.22 AU - 1.88 AU

Year: 672 Days

Day: 39.1 Hours

Environment

Temp: 10 °C

Axial Tilt: 5.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.78 AU - 2.4 AU

Year: 1052 Days

Day: 44.1 Hours

Environment

Temp: -47 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,093,887 km

• M1: 765,044 km (0.097 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.06 AU - 4.4 AU

Year: 2509 Days

Day: 17.3 Hours

Environment

Temp: -111 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,093,887 km

• M1: 38,447 km (0.097 R)

Planet 7 - Terrestrial

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.33 AU - 6.53 AU

Year: 4406 Days

Day: 28.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.9

Radius: 10.2

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.31 AU - 8.23 AU

Year: 6134 Days

Day: 10.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 16,093,887 km

• M1: 126,859 km (0.082 R)
• M2: 540,946 km (0.095 R)
• M3: 975,677 km (0.049 R)
• M4: 1,387,520 km (0.084 R)
• M5: 2,257,432 km (0.095 R)
• M6: 3,226,078 km (0.112 R)
• M7: 3,558,485 km (0.097 R)
• M8: 4,822,437 km (0.093 R)
• M9: 5,169,504 km (0.119 R)
• M10: 6,186,321 km (0.104 R)
• M11: 8,029,217 km (0.092 R)
• M12: 8,580,934 km (0.101 R)
• M13: 9,027,484 km (0.048 R)
• M14: 10,568,790 km (0.12 R)
• M15: 12,438,913 km (0.098 R)
• M16: 13,094,750 km (0.045 R)

Kuiper Belt

Range: 31.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 18,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit