🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.47 AU - 0.57 AU

Year: 136 Days

Day: 46.3 Hours

Environment

Temp: 253 °C

Axial Tilt: 22.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.32 AU - 1.42 AU

Year: 580 Days

Day: 42.6 Hours

Environment

Temp: 5 °C

Axial Tilt: 36.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.33 AU - 1.57 AU

Year: 631 Days

Day: 22.6 Hours

Environment

Temp: -27 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 33,744,141 km

• M1: 37,399 km (0.108 R)
• M2: 153,039 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.5 AU - 1.86 AU

Year: 788 Days

Day: 20.9 Hours

Environment

Temp: -41 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,744,141 km

• M1: 922,720 km (0.06 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.46 AU - 4.08 AU

Year: 2139 Days

Day: 45.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 4.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.7

Radius: 8.3

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.71 AU - 7.57 AU

Year: 6900 Days

Day: 11.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,744,141 km

• M1: 106,514 km (0.095 R)
• M2: 367,412 km (0.115 R)
• M3: 630,106 km (0.035 R)
• M4: 1,002,605 km (0.102 R)
• M5: 1,445,863 km (0.056 R)
• M6: 5,014,670 km (0.03 R)
• M7: 5,467,054 km (0.114 R)
• M8: 6,252,742 km (0.099 R)
• M9: 7,553,645 km (0.11 R)
• M10: 8,182,405 km (0.107 R)
• M11: 8,989,785 km (0.09 R)
• M12: 11,009,506 km (0.075 R)
• M13: 12,801,987 km (0.05 R)
• M14: 15,396,613 km (0.099 R)
• M15: 17,403,169 km (0.048 R)
• M16: 19,516,987 km (0.079 R)
• M17: 21,534,613 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.8

Radius: 7.3

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 12.5 AU - 14.2 AU

Year: 17641 Days

Day: 20.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,744,141 km

• M1: 90,806 km (0.057 R)
• M2: 402,418 km (0.075 R)
• M3: 3,177,908 km (0.077 R)
• M4: 3,766,276 km (0.108 R)
• M5: 4,660,871 km (0.11 R)
• M6: 5,331,369 km (0.115 R)
• M7: 6,192,903 km (0.064 R)
• M8: 7,002,527 km (0.112 R)
• M9: 10,394,808 km (0.046 R)
• M10: 17,064,180 km (0.096 R)
• M11: 20,758,201 km (0.115 R)
• M12: 22,713,295 km (0.095 R)
• M13: 26,725,809 km (0.066 R)

Kuiper Belt

Range: 30.3 - 60.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 15,358 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit