🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.53 AU - 0.67 AU

Year: 174 Days

Day: 23.9 Hours

Environment

Temp: 172 °C

Axial Tilt: 13 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.58 AU - 0.82 AU

Year: 219 Days

Day: 31.7 Hours

Environment

Temp: 98 °C

Axial Tilt: 29.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.69 AU - 0.87 AU

Year: 258 Days

Day: 26.5 Hours

Environment

Temp: 93 °C

Axial Tilt: 13.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 19,117,488 km

• M1: 30,668 km (0.071 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.79 AU - 1.01 AU

Year: 320 Days

Day: 31.1 Hours

Environment

Temp: 29 °C

Axial Tilt: 16.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.18 AU - 1.38 AU

Year: 543 Days

Day: 34.5 Hours

Environment

Temp: -30 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.38 AU - 2.74 AU

Year: 1535 Days

Day: 19.8 Hours

Environment

Temp: -99 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.56 AU - 2.7 AU

Year: 1598 Days

Day: 33.8 Hours

Environment

Temp: -100 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.5

Radius: 8.4

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.73 AU - 5.21 AU

Year: 3542 Days

Day: 9.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 164 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 19,117,488 km

• M1: 104,569 km (0.096 R)
• M2: 367,263 km (0.114 R)
• M3: 649,255 km (0.105 R)
• M4: 984,204 km (0.073 R)
• M5: 1,376,899 km (0.103 R)
• M6: 2,967,274 km (0.071 R)
• M7: 3,533,651 km (0.072 R)
• M8: 4,903,968 km (0.07 R)
• M9: 6,880,754 km (0.115 R)
• M10: 8,093,544 km (0.099 R)
• M11: 8,417,872 km (0.096 R)
• M12: 8,852,304 km (0.102 R)
• M13: 10,858,412 km (0.112 R)
• M14: 11,373,627 km (0.108 R)
• M15: 11,657,713 km (0.09 R)
• M16: 13,964,961 km (0.091 R)
• M17: 14,526,851 km (0.098 R)
• M18: 15,348,442 km (0.114 R)
• M19: 17,084,226 km (0.064 R)
• M20: 18,164,173 km (0.112 R)
• M21: 18,777,375 km (0.047 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: 380 - 17,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit