🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.4

Radius: 8.9

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.57 AU - 0.89 AU

Year: 403 Days

Day: 7.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,225,605 km

• M1: 110,702 km (0.089 R)
• M2: 422,165 km (0.09 R)
• M3: 720,912 km (0.106 R)
• M4: 1,008,589 km (0.115 R)
• M5: 1,545,645 km (0.088 R)
• M6: 2,029,744 km (0.095 R)
• M7: 2,335,372 km (0.034 R)
• M8: 2,722,681 km (0.085 R)
• M9: 3,018,885 km (0.116 R)
• M10: 3,395,722 km (0.078 R)
• M11: 3,790,960 km (0.067 R)
• M12: 4,286,129 km (0.103 R)
• M13: 4,961,264 km (0.115 R)
• M14: 5,504,454 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.2

Radius: 11.6

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.69 AU - 0.91 AU

Year: 462 Days

Day: 14.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,225,605 km

• M1: 146,157 km (0.108 R)
• M2: 526,884 km (0.075 R)
• M3: 1,378,993 km (0.095 R)
• M4: 2,785,064 km (0.069 R)
• M5: 3,237,448 km (0.042 R)
• M6: 3,608,749 km (0.059 R)
• M7: 4,671,194 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.8

Radius: 13.7

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.84 AU - 1.08 AU

Year: 607 Days

Day: 8.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,225,605 km

• M1: 170,392 km (0.103 R)
• M2: 600,336 km (0.061 R)
• M3: 1,076,506 km (0.055 R)
• M4: 1,672,953 km (0.102 R)
• M5: 2,468,066 km (0.086 R)
• M6: 2,896,664 km (0.108 R)
• M7: 3,769,118 km (0.107 R)
• M8: 4,522,942 km (0.115 R)
• M9: 5,218,273 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754

Radius: 14.4

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.33 AU - 3.51 AU

Year: 3222 Days

Day: 7.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,225,605 km

• M1: 179,667 km (0.082 R)
• M2: 628,311 km (0.082 R)
• M3: 1,329,327 km (0.087 R)
• M4: 1,828,684 km (0.112 R)
• M5: 2,944,535 km (0.111 R)
• M6: 3,998,003 km (0.095 R)
• M7: 5,813,822 km (0.066 R)
• M8: 8,579,887 km (0.064 R)
• M9: 9,493,630 km (0.106 R)
• M10: 13,519,309 km (0.118 R)
• M11: 14,253,087 km (0.054 R)
• M12: 16,449,483 km (0.067 R)
• M13: 17,628,613 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.7

Radius: 6

Gravity: 18.6 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.29 AU - 10.27 AU

Year: 16798 Days

Day: 24.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,225,605 km

• M1: 74,649 km (0.092 R)
• M2: 301,290 km (0.093 R)
• M3: 780,003 km (0.039 R)
• M4: 1,662,032 km (0.098 R)
• M5: 2,055,774 km (0.1 R)
• M6: 2,316,523 km (0.105 R)
• M7: 2,509,803 km (0.109 R)
• M8: 2,737,342 km (0.029 R)
• M9: 3,181,648 km (0.093 R)
• M10: 3,817,887 km (0.048 R)
• M11: 4,181,709 km (0.073 R)
• M12: 4,978,916 km (0.089 R)
• M13: 5,265,995 km (0.11 R)
• M14: 7,500,987 km (0.057 R)
• M15: 8,023,383 km (0.09 R)
• M16: 9,300,350 km (0.053 R)
• M17: 10,071,826 km (0.05 R)
• M18: 11,430,624 km (0.041 R)
• M19: 11,867,449 km (0.082 R)
• M20: 15,467,073 km (0.072 R)
• M21: 15,770,757 km (0.078 R)
• M22: 17,025,883 km (0.042 R)
• M23: 17,431,443 km (0.06 R)
• M24: 20,361,766 km (0.107 R)
• M25: 23,604,450 km (0.079 R)
• M26: 24,007,317 km (0.084 R)
• M27: 25,983,355 km (0.071 R)
• M28: 29,785,684 km (0.095 R)
• M29: 38,193,832 km (0.116 R)
• M30: 40,160,296 km (0.083 R)
• M31: 43,085,084 km (0.048 R)
• M32: 45,524,876 km (0.112 R)
• M33: 49,683,248 km (0.115 R)
• M34: 58,195,367 km (0.097 R)
• M35: 64,837,064 km (0.064 R)
• M36: 65,231,104 km (0.075 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 11,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit