🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.5 AU - 0.74 AU

Year: 186 Days

Day: 17.3 Hours

Environment

Temp: 160 °C

Axial Tilt: 6.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.8 AU - 1.02 AU

Year: 331 Days

Day: 36 Hours

Environment

Temp: 30 °C

Axial Tilt: 42 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.94 AU - 2.52 AU

Year: 1268 Days

Day: 38.9 Hours

Environment

Temp: -96 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.05 AU - 2.81 AU

Year: 1442 Days

Day: 26.6 Hours

Environment

Temp: -94 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.85 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.56 AU - 3.96 AU

Year: 2241 Days

Day: 12.8 Hours

Environment

Temp: -117 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.87 AU - 4.27 AU

Year: 2569 Days

Day: 13.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.55 AU - 4.53 AU

Year: 3092 Days

Day: 38.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,470,696 km

• M1: 342,878 km (0.116 R)

Asteroid Belt

Center: 5.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.9

Radius: 9.9

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.61 AU - 8.11 AU

Year: 6842 Days

Day: 11.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,470,696 km

• M1: 124,166 km (0.105 R)
• M2: 464,202 km (0.053 R)
• M3: 863,329 km (0.116 R)
• M4: 1,213,688 km (0.077 R)
• M5: 1,586,785 km (0.05 R)
• M6: 2,154,060 km (0.111 R)
• M7: 3,233,857 km (0.119 R)
• M8: 5,892,511 km (0.111 R)
• M9: 8,380,622 km (0.104 R)
• M10: 9,047,679 km (0.116 R)
• M11: 10,223,219 km (0.085 R)
• M12: 10,984,822 km (0.115 R)
• M13: 16,131,886 km (0.05 R)
• M14: 19,628,587 km (0.077 R)
• M15: 26,307,085 km (0.111 R)
• M16: 29,213,921 km (0.105 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 15,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit