🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.59 AU - 0.99 AU

Year: 246 Days

Day: 28.1 Hours

Environment

Temp: 213 °C

Axial Tilt: 33.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.94 AU - 0.94 AU

Year: 319 Days

Day: 13.5 Hours

Environment

Temp: 102 °C

Axial Tilt: 39.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.52 AU - 2.18 AU

Year: 880 Days

Day: 41.2 Hours

Environment

Temp: -45 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.75 AU - 2.49 AU

Year: 1080 Days

Day: 40.9 Hours

Environment

Temp: -50 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.38 AU - 2.78 AU

Year: 1450 Days

Day: 23.5 Hours

Environment

Temp: -69 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.86 AU - 2.88 AU

Year: 1701 Days

Day: 16.3 Hours

Environment

Temp: -79 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,775,931 km

• M1: 1,404,275 km (0.075 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.31 AU - 5.47 AU

Year: 3218 Days

Day: 27 Hours

Environment

Temp: -122 °C

Axial Tilt: 42.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 11.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.1

Radius: 13.4

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 10.94 AU - 12.14 AU

Year: 13715 Days

Day: 5.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,775,931 km

• M1: 166,802 km (0.099 R)
• M2: 967,599 km (0.045 R)
• M3: 1,492,089 km (0.114 R)
• M4: 2,012,540 km (0.115 R)
• M5: 3,119,116 km (0.09 R)
• M6: 3,833,296 km (0.119 R)
• M7: 7,395,820 km (0.097 R)
• M8: 8,539,645 km (0.097 R)
• M9: 10,131,366 km (0.095 R)
• M10: 11,966,782 km (0.085 R)
• M11: 12,513,862 km (0.101 R)
• M12: 14,499,923 km (0.085 R)
• M13: 15,439,847 km (0.104 R)
• M14: 17,233,675 km (0.079 R)
• M15: 22,034,719 km (0.073 R)
• M16: 23,192,756 km (0.056 R)
• M17: 29,797,502 km (0.114 R)
• M18: 34,178,027 km (0.11 R)
• M19: 35,281,012 km (0.108 R)
• M20: 38,495,721 km (0.067 R)

Kuiper Belt

Range: 31.4 - 54.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 17,835 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit