🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.78 AU - 0.94 AU

Year: 299 Days

Day: 21 Hours

Environment

Temp: 100 °C

Axial Tilt: 14.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.5 AU - 3.94 AU

Year: 2165 Days

Day: 15.4 Hours

Environment

Temp: -113 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 51,734,782 km

• M1: 11,669 km (0.098 R)
• M2: 29,471 km (0.07 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.06 AU - 3.86 AU

Year: 2412 Days

Day: 45.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,734,782 km

• M1: 32,164 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.4 AU - 4.18 AU

Year: 2765 Days

Day: 43.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.6 AU - 4.18 AU

Year: 2875 Days

Day: 45.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.26 AU - 5.32 AU

Year: 3330 Days

Day: 25.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.2

Radius: 10.8

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 9.83 AU - 10.71 AU

Year: 12333 Days

Day: 6.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,734,782 km

• M1: 134,339 km (0.105 R)
• M2: 883,974 km (0.038 R)
• M3: 1,569,730 km (0.113 R)
• M4: 1,955,095 km (0.117 R)
• M5: 2,561,864 km (0.034 R)
• M6: 3,436,712 km (0.06 R)
• M7: 4,151,640 km (0.09 R)
• M8: 5,059,250 km (0.078 R)
• M9: 5,734,535 km (0.072 R)
• M10: 6,279,670 km (0.091 R)
• M11: 6,899,005 km (0.105 R)
• M12: 8,579,587 km (0.113 R)
• M13: 10,254,336 km (0.055 R)
• M14: 11,846,655 km (0.064 R)
• M15: 13,471,737 km (0.034 R)
• M16: 15,377,464 km (0.084 R)
• M17: 17,233,376 km (0.034 R)
• M18: 18,369,571 km (0.072 R)
• M19: 19,234,097 km (0.105 R)
• M20: 24,905,054 km (0.101 R)
• M21: 26,061,445 km (0.087 R)
• M22: 26,952,001 km (0.082 R)
• M23: 28,689,431 km (0.117 R)
• M24: 37,376,130 km (0.07 R)
• M25: 38,254,868 km (0.074 R)
• M26: 40,184,082 km (0.069 R)
• M27: 45,502,436 km (0.106 R)
• M28: 46,793,017 km (0.099 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 11,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit