🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.4

Radius: 11.2

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.56 AU - 0.56 AU

Year: 289 Days

Day: 6.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,946,456 km

• M1: 139,276 km (0.12 R)
• M2: 578,944 km (0.066 R)
• M3: 988,842 km (0.07 R)
• M4: 1,934,001 km (0.099 R)
• M5: 2,345,545 km (0.095 R)
• M6: 2,904,891 km (0.113 R)
• M7: 3,414,871 km (0.108 R)
• M8: 3,996,657 km (0.041 R)
• M9: 4,384,714 km (0.081 R)
• M10: 4,812,115 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.4

Radius: 13.9

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.74 AU - 1.92 AU

Year: 1709 Days

Day: 7.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,946,456 km

• M1: 173,534 km (0.118 R)
• M2: 800,648 km (0.044 R)
• M3: 1,373,458 km (0.065 R)
• M4: 2,448,468 km (0.078 R)
• M5: 3,373,582 km (0.114 R)
• M6: 4,112,146 km (0.114 R)
• M7: 5,194,636 km (0.116 R)
• M8: 7,445,187 km (0.041 R)
• M9: 8,138,124 km (0.114 R)
• M10: 9,746,301 km (0.035 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.4

Radius: 5.5

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.36 AU - 6.84 AU

Year: 10399 Days

Day: 17.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,946,456 km

• M1: 75,397 km (0.085 R)
• M2: 734,526 km (0.102 R)
• M3: 1,012,329 km (0.071 R)
• M4: 1,793,230 km (0.082 R)
• M5: 4,086,565 km (0.06 R)
• M6: 8,352,348 km (0.108 R)
• M7: 8,971,384 km (0.1 R)
• M8: 9,332,813 km (0.046 R)
• M9: 10,741,576 km (0.105 R)
• M10: 13,867,124 km (0.093 R)
• M11: 16,814,950 km (0.092 R)
• M12: 20,498,050 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.5

Radius: 6.3

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.71 AU - 9.17 AU

Year: 14008 Days

Day: 20.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 52,946,456 km

• M1: 78,539 km (0.1 R)
• M2: 884,722 km (0.049 R)
• M3: 1,328,130 km (0.115 R)
• M4: 1,622,987 km (0.114 R)
• M5: 1,995,636 km (0.105 R)
• M6: 2,670,322 km (0.087 R)
• M7: 3,262,879 km (0.105 R)
• M8: 4,079,833 km (0.08 R)
• M9: 5,816,216 km (0.091 R)
• M10: 6,686,875 km (0.077 R)
• M11: 9,018,956 km (0.077 R)
• M12: 9,313,215 km (0.111 R)
• M13: 10,234,290 km (0.11 R)
• M14: 10,608,434 km (0.115 R)
• M15: 11,902,156 km (0.118 R)
• M16: 13,235,073 km (0.097 R)
• M17: 13,743,407 km (0.037 R)
• M18: 17,826,232 km (0.089 R)
• M19: 21,938,977 km (0.026 R)
• M20: 24,308,607 km (0.113 R)
• M21: 28,909,340 km (0.104 R)
• M22: 29,334,946 km (0.1 R)
• M23: 29,764,591 km (0.056 R)
• M24: 30,967,956 km (0.093 R)
• M25: 33,238,403 km (0.075 R)
• M26: 34,414,242 km (0.09 R)
• M27: 36,973,114 km (0.083 R)
• M28: 39,918,247 km (0.064 R)
• M29: 40,445,879 km (0.094 R)
• M30: 43,570,679 km (0.12 R)
• M31: 52,314,525 km (0.083 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: 218 - 12,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit