🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.55 AU - 0.61 AU

Year: 290 Days

Day: 22.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 43.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,300,133 km

• M1: 30,368 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.9

Radius: 8.7

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.81 AU - 0.89 AU

Year: 514 Days

Day: 7.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,300,133 km

• M1: 111,450 km (0.067 R)
• M2: 422,315 km (0.06 R)
• M3: 746,942 km (0.114 R)
• M4: 1,157,588 km (0.073 R)
• M5: 1,671,607 km (0.045 R)
• M6: 2,046,948 km (0.067 R)
• M7: 2,357,962 km (0.04 R)
• M8: 2,710,564 km (0.116 R)
• M9: 3,463,041 km (0.103 R)
• M10: 4,077,290 km (0.084 R)
• M11: 4,375,887 km (0.112 R)
• M12: 4,703,656 km (0.094 R)
• M13: 5,570,875 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.4

Radius: 13.3

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.81 AU - 4.15 AU

Year: 5209 Days

Day: 8.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,300,133 km

• M1: 184,454 km (0.088 R)
• M2: 652,396 km (0.109 R)
• M3: 1,486,105 km (0.06 R)
• M4: 2,300,666 km (0.051 R)
• M5: 4,270,570 km (0.084 R)
• M6: 5,829,081 km (0.064 R)
• M7: 6,983,677 km (0.108 R)
• M8: 8,322,578 km (0.1 R)
• M9: 9,414,044 km (0.045 R)
• M10: 11,976,058 km (0.081 R)
• M11: 14,100,347 km (0.115 R)
• M12: 16,405,950 km (0.096 R)
• M13: 18,952,853 km (0.09 R)
• M14: 20,976,165 km (0.107 R)
• M15: 22,916,898 km (0.088 R)
• M16: 26,905,177 km (0.06 R)
• M17: 29,019,593 km (0.058 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.7

Radius: 5

Gravity: 22.83 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.65 AU - 7.79 AU

Year: 11428 Days

Day: 16.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,300,133 km

• M1: 62,682 km (0.083 R)
• M2: 235,168 km (0.113 R)
• M3: 461,958 km (0.111 R)
• M4: 1,031,328 km (0.071 R)
• M5: 1,880,296 km (0.078 R)
• M6: 2,417,352 km (0.099 R)
• M7: 3,684,147 km (0.102 R)
• M8: 4,730,883 km (0.109 R)
• M9: 4,980,861 km (0.065 R)
• M10: 5,541,554 km (0.109 R)
• M11: 10,644,487 km (0.109 R)
• M12: 11,571,246 km (0.096 R)
• M13: 19,933,767 km (0.116 R)
• M14: 20,668,741 km (0.036 R)
• M15: 20,917,672 km (0.068 R)
• M16: 21,847,572 km (0.106 R)
• M17: 23,070,535 km (0.113 R)
• M18: 28,419,855 km (0.088 R)
• M19: 30,087,423 km (0.106 R)
• M20: 37,166,544 km (0.12 R)
• M21: 37,657,973 km (0.086 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 13,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit