🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.54 AU - 0.6 AU

Year: 185 Days

Day: 15.7 Hours

Environment

Temp: 24 °C

Axial Tilt: 37.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.49 AU - 0.79 AU

Year: 220 Days

Day: 46.9 Hours

Environment

Temp: 4 °C

Axial Tilt: 28.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 83,769,832 km

• M1: 213,925 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.11 AU - 1.59 AU

Year: 675 Days

Day: 27 Hours

Environment

Temp: -84 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.59 AU - 1.71 AU

Year: 912 Days

Day: 27.6 Hours

Environment

Temp: -106 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.65 AU - 2.23 AU

Year: 1163 Days

Day: 21.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.56 AU - 2.38 AU

Year: 1190 Days

Day: 24.8 Hours

Environment

Temp: -104 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 15.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.8

Radius: 5.8

Gravity: 15.39 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 12.14 AU - 19.1 AU

Year: 26573 Days

Day: 19.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,769,832 km

• M1: 74,649 km (0.11 R)
• M2: 292,165 km (0.095 R)
• M3: 568,472 km (0.029 R)
• M4: 751,879 km (0.073 R)
• M5: 1,038,209 km (0.11 R)
• M6: 1,273,078 km (0.091 R)
• M7: 1,476,381 km (0.059 R)
• M8: 3,539,037 km (0.034 R)
• M9: 3,785,125 km (0.088 R)
• M10: 4,450,686 km (0.117 R)
• M11: 4,701,113 km (0.112 R)
• M12: 5,388,665 km (0.112 R)
• M13: 5,632,210 km (0.103 R)
• M14: 6,914,114 km (0.1 R)
• M15: 8,487,435 km (0.104 R)
• M16: 10,471,701 km (0.117 R)
• M17: 11,437,954 km (0.104 R)
• M18: 11,638,116 km (0.062 R)
• M19: 12,532,861 km (0.099 R)
• M20: 13,178,376 km (0.109 R)
• M21: 13,398,434 km (0.109 R)
• M22: 27,927,828 km (0.074 R)
• M23: 29,027,223 km (0.106 R)
• M24: 31,442,480 km (0.087 R)
• M25: 32,232,208 km (0.076 R)
• M26: 35,100,298 km (0.104 R)
• M27: 36,524,171 km (0.096 R)
• M28: 55,568,279 km (0.096 R)
• M29: 61,495,496 km (0.106 R)
• M30: 64,400,088 km (0.081 R)
• M31: 66,530,063 km (0.103 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 17,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit