🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.65 AU - 1.07 AU

Year: 286 Days

Day: 34.6 Hours

Environment

Temp: 105 °C

Axial Tilt: 3.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.93 AU - 1.39 AU

Year: 447 Days

Day: 17.3 Hours

Environment

Temp: 6 °C

Axial Tilt: 46.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.32 AU - 1.58 AU

Year: 625 Days

Day: 37.1 Hours

Environment

Temp: -3 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 34,900,450 km

• M1: 320,887 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.74 AU - 2.86 AU

Year: 1249 Days

Day: 26.9 Hours

Environment

Temp: -78 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 34,900,450 km

• M1: 90,058 km (0.108 R)
• M2: 264,938 km (0.094 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.65 AU - 3.86 AU

Year: 2601 Days

Day: 28.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.8

Radius: 14.6

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.11 AU - 9.21 AU

Year: 7593 Days

Day: 10.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,900,450 km

• M1: 182,360 km (0.104 R)
• M2: 880,383 km (0.112 R)
• M3: 2,270,896 km (0.065 R)
• M4: 5,510,737 km (0.049 R)
• M5: 6,438,543 km (0.085 R)
• M6: 7,654,624 km (0.088 R)
• M7: 12,561,284 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.7

Radius: 14.2

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 9.64 AU - 13.76 AU

Year: 14334 Days

Day: 13.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,900,450 km

• M1: 176,974 km (0.102 R)
• M2: 638,783 km (0.028 R)
• M3: 1,201,121 km (0.119 R)
• M4: 1,769,892 km (0.111 R)
• M5: 3,134,524 km (0.074 R)
• M6: 7,021,974 km (0.06 R)
• M7: 7,639,514 km (0.115 R)
• M8: 11,883,905 km (0.097 R)
• M9: 13,740,415 km (0.09 R)
• M10: 14,592,524 km (0.03 R)
• M11: 16,845,767 km (0.101 R)
• M12: 23,678,949 km (0.044 R)
• M13: 24,821,279 km (0.026 R)
• M14: 27,927,230 km (0.099 R)
• M15: 34,796,315 km (0.081 R)

Kuiper Belt

Range: 30.6 - 54.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 18,518 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit