🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.5 AU - 0.56 AU

Year: 137 Days

Day: 28.3 Hours

Environment

Temp: 261 °C

Axial Tilt: 20.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.64 AU - 0.96 AU

Year: 254 Days

Day: 19.2 Hours

Environment

Temp: 147 °C

Axial Tilt: 13.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.92 AU - 1.18 AU

Year: 382 Days

Day: 38.8 Hours

Environment

Temp: 129 °C

Axial Tilt: 47.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.72 AU - 1.96 AU

Year: 885 Days

Day: 35.8 Hours

Environment

Temp: -41 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,582,850 km

• M1: 29,471 km (0.077 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.65 AU - 2.75 AU

Year: 1158 Days

Day: 40 Hours

Environment

Temp: -61 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31

Radius: 10.9

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.16 AU - 6.94 AU

Year: 5947 Days

Day: 14 Hours

Environment

Temp: -147 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,582,850 km

• M1: 142,118 km (0.095 R)
• M2: 487,988 km (0.085 R)
• M3: 995,424 km (0.057 R)
• M4: 2,144,485 km (0.106 R)
• M5: 3,310,900 km (0.079 R)
• M6: 4,612,252 km (0.086 R)
• M7: 6,389,624 km (0.108 R)
• M8: 8,192,129 km (0.065 R)
• M9: 8,669,795 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.7

Radius: 7.9

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 16.33 AU - 16.87 AU

Year: 23994 Days

Day: 18.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,582,850 km

• M1: 100,979 km (0.117 R)
• M2: 482,304 km (0.118 R)
• M3: 748,737 km (0.091 R)
• M4: 1,127,370 km (0.11 R)
• M5: 1,860,399 km (0.085 R)
• M6: 2,130,274 km (0.03 R)
• M7: 3,361,165 km (0.068 R)
• M8: 3,897,025 km (0.097 R)
• M9: 5,009,733 km (0.061 R)
• M10: 5,334,959 km (0.081 R)
• M11: 7,890,240 km (0.093 R)
• M12: 8,557,896 km (0.036 R)
• M13: 10,574,625 km (0.069 R)
• M14: 12,006,276 km (0.04 R)
• M15: 15,864,705 km (0.075 R)
• M16: 20,232,065 km (0.11 R)
• M17: 21,142,069 km (0.118 R)
• M18: 22,514,031 km (0.105 R)
• M19: 27,382,544 km (0.049 R)
• M20: 30,595,308 km (0.113 R)
• M21: 33,362,868 km (0.111 R)
• M22: 34,282,596 km (0.038 R)
• M23: 39,263,008 km (0.118 R)
• M24: 46,246,387 km (0.091 R)
• M25: 49,138,861 km (0.04 R)

Kuiper Belt

Range: 30.9 - 55.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 17,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit