🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1 AU - 1.32 AU

Year: 468 Days

Day: 42.9 Hours

Environment

Temp: -14 °C

Axial Tilt: 12.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.45 AU - 1.61 AU

Year: 709 Days

Day: 18.5 Hours

Environment

Temp: -57 °C

Axial Tilt: 17.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.54 AU - 2.46 AU

Year: 1060 Days

Day: 17.5 Hours

Environment

Temp: -75 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.27 AU - 3.51 AU

Year: 1841 Days

Day: 32.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 20,087,147 km

• M1: 29,620 km (0.114 R)
• M2: 143,165 km (0.107 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.69 AU - 3.13 AU

Year: 1860 Days

Day: 46.4 Hours

Environment

Temp: -109 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.85 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.6

Radius: 8.6

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.75 AU - 4.83 AU

Year: 3929 Days

Day: 11.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,087,147 km

• M1: 106,962 km (0.08 R)
• M2: 444,754 km (0.038 R)
• M3: 721,660 km (0.109 R)
• M4: 2,019,272 km (0.055 R)
• M5: 2,747,664 km (0.065 R)
• M6: 3,240,888 km (0.09 R)
• M7: 4,154,931 km (0.079 R)
• M8: 4,987,593 km (0.1 R)
• M9: 6,549,694 km (0.087 R)
• M10: 9,144,020 km (0.119 R)
• M11: 9,453,389 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.1

Radius: 11.2

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.93 AU - 5.19 AU

Year: 4265 Days

Day: 14.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,087,147 km

• M1: 139,276 km (0.117 R)
• M2: 489,933 km (0.084 R)
• M3: 951,293 km (0.113 R)
• M4: 1,350,121 km (0.106 R)
• M5: 2,603,003 km (0.097 R)
• M6: 3,737,104 km (0.055 R)
• M7: 4,092,100 km (0.085 R)
• M8: 4,556,602 km (0.03 R)
• M9: 5,271,081 km (0.101 R)
• M10: 5,796,319 km (0.097 R)
• M11: 8,622,223 km (0.078 R)
• M12: 9,460,719 km (0.039 R)
• M13: 9,974,288 km (0.097 R)
• M14: 10,623,094 km (0.108 R)
• M15: 11,097,768 km (0.048 R)
• M16: 12,217,658 km (0.087 R)
• M17: 15,320,617 km (0.101 R)
• M18: 19,202,831 km (0.064 R)
• M19: 19,848,795 km (0.072 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: 159 - 16,391 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit