🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.49 AU - 0.59 AU

Year: 149 Days

Day: 12.1 Hours

Environment

Temp: 144 °C

Axial Tilt: 32.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.51 AU - 0.73 AU

Year: 184 Days

Day: 45.3 Hours

Environment

Temp: 117 °C

Axial Tilt: 14.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.7 AU - 0.94 AU

Year: 280 Days

Day: 14.2 Hours

Environment

Temp: 142 °C

Axial Tilt: 36.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.96 AU - 1.18 AU

Year: 417 Days

Day: 13.2 Hours

Environment

Temp: -3 °C

Axial Tilt: 12 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 53,546,065 km

• M1: 37,848 km (0.058 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.05 AU - 1.19 AU

Year: 447 Days

Day: 36.9 Hours

Environment

Temp: 15 °C

Axial Tilt: 23.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.43 AU - 1.85 AU

Year: 791 Days

Day: 14.4 Hours

Environment

Temp: -52 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.76 AU - 2.78 AU

Year: 1288 Days

Day: 21.7 Hours

Environment

Temp: -96 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 12.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.9

Radius: 4

Gravity: 19.68 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 10.47 AU - 15.29 AU

Year: 17414 Days

Day: 16.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,546,065 km

• M1: 49,816 km (0.103 R)
• M2: 574,007 km (0.032 R)
• M3: 979,118 km (0.078 R)
• M4: 1,612,815 km (0.088 R)
• M5: 2,097,213 km (0.037 R)
• M6: 2,566,501 km (0.115 R)
• M7: 3,321,671 km (0.103 R)
• M8: 4,243,942 km (0.086 R)
• M9: 7,062,964 km (0.079 R)
• M10: 7,746,627 km (0.1 R)
• M11: 8,998,761 km (0.1 R)
• M12: 9,494,977 km (0.093 R)
• M13: 10,009,145 km (0.105 R)
• M14: 15,082,757 km (0.113 R)
• M15: 16,211,622 km (0.102 R)
• M16: 18,164,024 km (0.096 R)
• M17: 19,358,862 km (0.102 R)
• M18: 24,759,196 km (0.074 R)
• M19: 24,951,429 km (0.03 R)
• M20: 25,632,249 km (0.062 R)
• M21: 30,088,769 km (0.079 R)
• M22: 32,098,168 km (0.099 R)
• M23: 42,115,541 km (0.082 R)
• M24: 51,957,136 km (0.077 R)
• M25: 52,906,633 km (0.105 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 18,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit