🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.77 AU - 1.07 AU

Year: 340 Days

Day: 38.4 Hours

Environment

Temp: 10 °C

Axial Tilt: 29.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.11 AU - 1.27 AU

Year: 500 Days

Day: 29.2 Hours

Environment

Temp: -39 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.5

Radius: 12.5

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.81 AU - 5.77 AU

Year: 4036 Days

Day: 5.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,020,164 km

• M1: 155,432 km (0.119 R)
• M2: 611,855 km (0.117 R)
• M3: 1,118,842 km (0.081 R)
• M4: 1,547,291 km (0.096 R)
• M5: 3,094,582 km (0.109 R)
• M6: 4,213,125 km (0.114 R)
• M7: 5,471,692 km (0.112 R)
• M8: 6,802,814 km (0.117 R)
• M9: 7,899,067 km (0.09 R)
• M10: 8,757,459 km (0.072 R)
• M11: 9,229,291 km (0.074 R)
• M12: 10,310,435 km (0.047 R)
• M13: 10,703,877 km (0.077 R)
• M14: 12,281,387 km (0.104 R)
• M15: 15,435,060 km (0.097 R)
• M16: 17,198,818 km (0.052 R)
• M17: 17,628,912 km (0.075 R)
• M18: 18,319,456 km (0.091 R)
• M19: 20,637,026 km (0.081 R)
• M20: 23,819,871 km (0.061 R)
• M21: 24,354,833 km (0.078 R)
• M22: 25,054,203 km (0.12 R)
• M23: 26,493,484 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.6

Radius: 14.3

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.92 AU - 12 AU

Year: 13025 Days

Day: 10.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,020,164 km

• M1: 177,872 km (0.062 R)
• M2: 959,521 km (0.102 R)
• M3: 1,809,386 km (0.079 R)
• M4: 2,531,196 km (0.093 R)
• M5: 3,364,606 km (0.076 R)
• M6: 5,403,325 km (0.036 R)
• M7: 8,873,697 km (0.086 R)
• M8: 10,683,532 km (0.088 R)
• M9: 11,881,512 km (0.112 R)
• M10: 12,915,383 km (0.069 R)
• M11: 16,159,412 km (0.085 R)
• M12: 18,522,610 km (0.056 R)
• M13: 19,331,785 km (0.094 R)
• M14: 22,623,536 km (0.093 R)
• M15: 23,268,303 km (0.069 R)
• M16: 24,115,326 km (0.053 R)
• M17: 27,294,132 km (0.064 R)
• M18: 31,762,770 km (0.102 R)
• M19: 45,240,042 km (0.112 R)
• M20: 49,892,984 km (0.072 R)
• M21: 51,459,573 km (0.11 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 18,286 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit