🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.47 AU - 0.73 AU

Year: 178 Days

Day: 26.9 Hours

Environment

Temp: 120 °C

Axial Tilt: 19.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.49 AU - 0.75 AU

Year: 187 Days

Day: 15.3 Hours

Environment

Temp: 132 °C

Axial Tilt: 6.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.6 AU - 0.68 AU

Year: 196 Days

Day: 16.1 Hours

Environment

Temp: 168 °C

Axial Tilt: 34.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,809,746 km

• M1: 106,214 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.99 AU - 1.51 AU

Year: 535 Days

Day: 12.6 Hours

Environment

Temp: -44 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.5 AU - 1.66 AU

Year: 760 Days

Day: 43.6 Hours

Environment

Temp: -63 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.67 AU - 3.13 AU

Year: 1891 Days

Day: 44.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.09 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.7

Radius: 7.9

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 12.71 AU - 13.83 AU

Year: 18509 Days

Day: 23.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,809,746 km

• M1: 99,782 km (0.112 R)
• M2: 349,760 km (0.092 R)
• M3: 646,562 km (0.113 R)
• M4: 1,190,949 km (0.112 R)
• M5: 1,666,371 km (0.094 R)
• M6: 2,044,405 km (0.103 R)
• M7: 2,727,917 km (0.081 R)
• M8: 3,899,268 km (0.07 R)
• M9: 4,512,321 km (0.084 R)
• M10: 5,375,051 km (0.04 R)
• M11: 7,152,125 km (0.038 R)
• M12: 7,581,620 km (0.115 R)
• M13: 12,475,714 km (0.079 R)
• M14: 15,408,880 km (0.116 R)
• M15: 17,207,196 km (0.081 R)
• M16: 18,192,597 km (0.078 R)
• M17: 20,741,894 km (0.088 R)
• M18: 21,135,786 km (0.097 R)
• M19: 23,349,984 km (0.085 R)
• M20: 24,556,939 km (0.103 R)
• M21: 25,624,021 km (0.046 R)
• M22: 26,536,717 km (0.085 R)
• M23: 33,649,199 km (0.094 R)
• M24: 35,298,964 km (0.081 R)
• M25: 37,465,141 km (0.112 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 14,289 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit