🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.02 AU - 1.48 AU

Year: 532 Days

Day: 26.6 Hours

Environment

Temp: -35 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.54 AU - 2.58 AU

Year: 1560 Days

Day: 31.4 Hours

Environment

Temp: -110 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 58,523,918 km

• M1: 1,188,854 km (0.075 R)
• M2: 1,404,275 km (0.092 R)

Asteroid Belt

Center: 4.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322

Radius: 12.6

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.39 AU - 6.71 AU

Year: 6383 Days

Day: 11.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,523,918 km

• M1: 156,629 km (0.071 R)
• M2: 1,236,576 km (0.062 R)
• M3: 2,134,612 km (0.071 R)
• M4: 2,990,910 km (0.063 R)
• M5: 3,549,957 km (0.085 R)
• M6: 5,828,034 km (0.098 R)
• M7: 6,547,450 km (0.042 R)
• M8: 7,528,962 km (0.103 R)
• M9: 12,846,717 km (0.088 R)
• M10: 13,345,626 km (0.117 R)
• M11: 14,920,443 km (0.113 R)
• M12: 18,310,929 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.5

Radius: 11.2

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.08 AU - 8.44 AU

Year: 6693 Days

Day: 9.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,523,918 km

• M1: 142,716 km (0.032 R)
• M2: 629,807 km (0.106 R)
• M3: 1,318,256 km (0.105 R)
• M4: 1,733,690 km (0.116 R)
• M5: 2,222,276 km (0.051 R)
• M6: 2,571,288 km (0.097 R)
• M7: 4,378,580 km (0.103 R)
• M8: 9,453,089 km (0.089 R)
• M9: 10,339,606 km (0.077 R)
• M10: 11,105,398 km (0.047 R)
• M11: 11,546,861 km (0.105 R)
• M12: 12,184,747 km (0.083 R)
• M13: 12,559,639 km (0.085 R)
• M14: 16,918,322 km (0.113 R)
• M15: 20,767,326 km (0.104 R)
• M16: 21,779,356 km (0.119 R)
• M17: 23,179,592 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.5

Radius: 13.4

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 9.58 AU - 11.46 AU

Year: 12993 Days

Day: 14.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,523,918 km

• M1: 166,652 km (0.072 R)
• M2: 676,781 km (0.115 R)
• M3: 1,168,808 km (0.064 R)
• M4: 1,973,346 km (0.11 R)
• M5: 4,970,240 km (0.086 R)
• M6: 6,420,890 km (0.064 R)
• M7: 9,928,960 km (0.087 R)
• M8: 10,470,056 km (0.114 R)
• M9: 16,716,365 km (0.073 R)
• M10: 18,194,093 km (0.093 R)
• M11: 21,948,401 km (0.083 R)
• M12: 23,433,010 km (0.074 R)
• M13: 24,491,864 km (0.108 R)
• M14: 25,582,433 km (0.076 R)
• M15: 26,498,420 km (0.096 R)
• M16: 28,939,110 km (0.078 R)
• M17: 30,950,902 km (0.088 R)
• M18: 31,874,370 km (0.116 R)
• M19: 32,816,088 km (0.077 R)
• M20: 36,769,661 km (0.102 R)
• M21: 45,313,045 km (0.106 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: 228 - 19,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit