🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.45 AU - 0.65 AU

Year: 172 Days

Day: 25.5 Hours

Environment

Temp: 141 °C

Axial Tilt: 29.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 8,509,892 km

• M1: 92,751 km (0.117 R)
• M2: 280,346 km (0.039 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.5 AU - 0.72 AU

Year: 201 Days

Day: 14.4 Hours

Environment

Temp: 27 °C

Axial Tilt: 31.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.18 AU - 1.56 AU

Year: 676 Days

Day: 36.1 Hours

Environment

Temp: -82 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.23 AU - 1.81 AU

Year: 790 Days

Day: 38 Hours

Environment

Temp: -84 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.52 AU - 1.52 AU

Year: 790 Days

Day: 18.2 Hours

Environment

Temp: -94 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.3 AU - 2.1 AU

Year: 935 Days

Day: 37.7 Hours

Environment

Temp: -104 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.19 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.16 AU - 3.18 AU

Year: 1840 Days

Day: 21.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.7

Radius: 12.2

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.73 AU - 3.47 AU

Year: 2302 Days

Day: 11.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 8,509,892 km

• M1: 151,842 km (0.097 R)
• M2: 929,003 km (0.09 R)
• M3: 1,315,564 km (0.038 R)
• M4: 1,950,457 km (0.118 R)
• M5: 2,998,241 km (0.075 R)
• M6: 3,631,040 km (0.083 R)
• M7: 4,162,710 km (0.09 R)
• M8: 4,807,178 km (0.119 R)
• M9: 5,338,998 km (0.039 R)
• M10: 6,076,815 km (0.071 R)
• M11: 7,255,198 km (0.116 R)
• M12: 7,812,749 km (0.084 R)
• M13: 8,919,923 km (0.084 R)
• M14: 9,892,159 km (0.095 R)
• M15: 12,830,112 km (0.084 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.2

Radius: 14

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.16 AU - 3.36 AU

Year: 2482 Days

Day: 5.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 8,509,892 km

• M1: 174,132 km (0.082 R)
• M2: 850,763 km (0.114 R)
• M3: 1,983,668 km (0.088 R)
• M4: 3,876,829 km (0.119 R)
• M5: 4,736,717 km (0.112 R)
• M6: 5,293,371 km (0.101 R)
• M7: 6,728,763 km (0.062 R)
• M8: 7,434,416 km (0.096 R)
• M9: 8,091,898 km (0.081 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 17,927 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit