🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.5 AU - 0.54 AU

Year: 167 Days

Day: 28.8 Hours

Environment

Temp: 22 °C

Axial Tilt: 31.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 21,443,667 km

• M1: 48,470 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.49 AU - 0.65 AU

Year: 192 Days

Day: 17.7 Hours

Environment

Temp: 20 °C

Axial Tilt: 6.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 21,443,667 km

• M1: 13,165 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.52 AU - 0.76 AU

Year: 228 Days

Day: 31.1 Hours

Environment

Temp: -6 °C

Axial Tilt: 20.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 21,443,667 km

• M1: 292,913 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.6

Radius: 13.5

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.93 AU - 4.43 AU

Year: 3150 Days

Day: 14.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,443,667 km

• M1: 169,345 km (0.105 R)
• M2: 590,762 km (0.055 R)
• M3: 2,925,087 km (0.108 R)
• M4: 3,422,650 km (0.025 R)
• M5: 3,936,668 km (0.075 R)
• M6: 5,489,793 km (0.112 R)
• M7: 7,829,354 km (0.098 R)
• M8: 9,436,783 km (0.094 R)
• M9: 11,173,016 km (0.094 R)
• M10: 13,527,238 km (0.033 R)
• M11: 14,187,862 km (0.092 R)
• M12: 15,019,177 km (0.034 R)
• M13: 16,090,448 km (0.094 R)
• M14: 17,266,885 km (0.093 R)
• M15: 18,962,428 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.9

Radius: 12.3

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.47 AU - 5.87 AU

Year: 5246 Days

Day: 6.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,443,667 km

• M1: 156,031 km (0.111 R)
• M2: 705,055 km (0.095 R)
• M3: 1,293,722 km (0.088 R)
• M4: 1,845,739 km (0.077 R)
• M5: 2,434,705 km (0.062 R)
• M6: 3,505,527 km (0.025 R)
• M7: 3,993,066 km (0.097 R)
• M8: 5,919,289 km (0.082 R)
• M9: 9,063,387 km (0.067 R)
• M10: 12,998,709 km (0.113 R)
• M11: 15,010,950 km (0.107 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: 359 - 18,806 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit