🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.65 AU - 0.79 AU

Year: 231 Days

Day: 32.8 Hours

Environment

Temp: 180 °C

Axial Tilt: 1.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.67 AU - 0.79 AU

Year: 236 Days

Day: 40.4 Hours

Environment

Temp: 160 °C

Axial Tilt: 25.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.74 AU - 0.76 AU

Year: 246 Days

Day: 28.4 Hours

Environment

Temp: 136 °C

Axial Tilt: 28.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 30,691,598 km

• M1: 53,855 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.83 AU - 0.97 AU

Year: 323 Days

Day: 17.3 Hours

Environment

Temp: 15 °C

Axial Tilt: 21.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 30,691,598 km

• M1: 472,430 km (0.093 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.96 AU - 1.58 AU

Year: 542 Days

Day: 32.6 Hours

Environment

Temp: -29 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.45 AU - 2.03 AU

Year: 869 Days

Day: 37.6 Hours

Environment

Temp: -75 °C

Axial Tilt: 46.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,691,598 km

• M1: 149,149 km (0.091 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.48 AU - 3.6 AU

Year: 2523 Days

Day: 29.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.6

Radius: 13.4

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.83 AU - 6.35 AU

Year: 4349 Days

Day: 10.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,691,598 km

• M1: 176,226 km (0.096 R)
• M2: 615,595 km (0.065 R)
• M3: 1,176,288 km (0.062 R)
• M4: 1,949,709 km (0.1 R)
• M5: 3,041,923 km (0.086 R)
• M6: 3,802,030 km (0.072 R)
• M7: 4,840,987 km (0.079 R)
• M8: 6,993,551 km (0.078 R)
• M9: 10,502,668 km (0.079 R)
• M10: 11,091,934 km (0.115 R)
• M11: 12,237,704 km (0.063 R)
• M12: 14,989,258 km (0.096 R)
• M13: 15,620,262 km (0.074 R)
• M14: 18,979,033 km (0.078 R)
• M15: 20,615,933 km (0.099 R)
• M16: 22,642,535 km (0.083 R)
• M17: 23,245,265 km (0.108 R)
• M18: 27,004,660 km (0.042 R)
• M19: 27,427,124 km (0.087 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 18,341 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit