🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.74 AU - 0.82 AU

Year: 261 Days

Day: 47.3 Hours

Environment

Temp: 83 °C

Axial Tilt: 4.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.77 AU - 0.91 AU

Year: 292 Days

Day: 16.5 Hours

Environment

Temp: 26 °C

Axial Tilt: 20.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 51,729,632 km

• M1: 82,877 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.63 AU - 2.37 AU

Year: 1071 Days

Day: 16.7 Hours

Environment

Temp: -71 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.58 AU - 4.56 AU

Year: 3110 Days

Day: 31.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.16 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.1

Radius: 8.7

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 7.34 AU - 9.14 AU

Year: 8959 Days

Day: 6.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,729,632 km

• M1: 108,159 km (0.073 R)
• M2: 391,348 km (0.038 R)
• M3: 692,638 km (0.071 R)
• M4: 1,502,112 km (0.113 R)
• M5: 2,572,036 km (0.089 R)
• M6: 3,002,579 km (0.064 R)
• M7: 3,412,327 km (0.026 R)
• M8: 4,058,740 km (0.073 R)
• M9: 4,371,100 km (0.084 R)
• M10: 4,784,290 km (0.054 R)
• M11: 6,284,158 km (0.111 R)
• M12: 7,291,550 km (0.053 R)
• M13: 7,913,727 km (0.115 R)
• M14: 8,655,284 km (0.048 R)
• M15: 9,807,188 km (0.109 R)
• M16: 13,757,768 km (0.083 R)
• M17: 17,202,858 km (0.103 R)
• M18: 19,015,535 km (0.095 R)
• M19: 19,968,025 km (0.08 R)
• M20: 20,342,767 km (0.066 R)
• M21: 23,929,376 km (0.094 R)
• M22: 24,352,289 km (0.112 R)
• M23: 26,903,831 km (0.072 R)
• M24: 27,545,456 km (0.111 R)
• M25: 28,197,104 km (0.091 R)
• M26: 30,115,996 km (0.093 R)
• M27: 32,738,596 km (0.102 R)
• M28: 33,050,658 km (0.066 R)
• M29: 35,400,391 km (0.118 R)
• M30: 38,780,705 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.3

Radius: 6.9

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 15.3 AU - 21.38 AU

Year: 29747 Days

Day: 16 Hours

Environment

Temp: -212 °C

Axial Tilt: 95.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,729,632 km

• M1: 107,561 km (0.06 R)
• M2: 372,200 km (0.116 R)
• M3: 714,180 km (0.07 R)
• M4: 1,551,031 km (0.064 R)
• M5: 6,014,134 km (0.106 R)
• M6: 8,172,831 km (0.077 R)
• M7: 13,879,391 km (0.081 R)
• M8: 14,598,359 km (0.096 R)
• M9: 16,904,111 km (0.113 R)
• M10: 28,456,507 km (0.051 R)
• M11: 30,368,517 km (0.097 R)
• M12: 33,742,847 km (0.049 R)
• M13: 33,976,220 km (0.113 R)
• M14: 37,734,118 km (0.062 R)
• M15: 40,694,959 km (0.072 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 13,740 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit