🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.4

Radius: 9.2

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.55 AU - 0.71 AU

Year: 351 Days

Day: 5.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,666,387 km

• M1: 115,190 km (0.074 R)
• M2: 457,769 km (0.028 R)
• M3: 759,658 km (0.08 R)
• M4: 1,136,645 km (0.112 R)
• M5: 1,496,727 km (0.103 R)
• M6: 1,961,527 km (0.063 R)
• M7: 2,320,263 km (0.096 R)
• M8: 2,749,908 km (0.101 R)
• M9: 3,232,212 km (0.116 R)
• M10: 3,691,178 km (0.08 R)
• M11: 4,048,567 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.7

Radius: 10.1

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.66 AU - 0.98 AU

Year: 522 Days

Day: 5.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,666,387 km

• M1: 125,662 km (0.092 R)
• M2: 508,932 km (0.112 R)
• M3: 1,077,703 km (0.119 R)
• M4: 1,567,786 km (0.084 R)
• M5: 2,157,949 km (0.068 R)
• M6: 2,539,873 km (0.088 R)
• M7: 3,859,625 km (0.095 R)
• M8: 4,513,966 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.5

Radius: 10.1

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.44 AU - 1.88 AU

Year: 1503 Days

Day: 14.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,666,387 km

• M1: 127,158 km (0.072 R)
• M2: 517,758 km (0.112 R)
• M3: 859,739 km (0.098 R)
• M4: 1,253,331 km (0.053 R)
• M5: 2,930,173 km (0.067 R)
• M6: 5,634,604 km (0.096 R)
• M7: 7,234,852 km (0.061 R)
• M8: 7,873,785 km (0.071 R)
• M9: 8,274,857 km (0.103 R)
• M10: 8,633,592 km (0.118 R)
• M11: 11,041,669 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.9

Radius: 13.8

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.22 AU - 2.64 AU

Year: 2663 Days

Day: 5.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,666,387 km

• M1: 171,589 km (0.109 R)
• M2: 685,308 km (0.057 R)
• M3: 1,277,865 km (0.039 R)
• M4: 1,848,431 km (0.071 R)
• M5: 2,338,963 km (0.038 R)
• M6: 3,274,398 km (0.111 R)
• M7: 3,735,608 km (0.062 R)
• M8: 4,446,498 km (0.042 R)
• M9: 4,879,434 km (0.103 R)
• M10: 5,705,663 km (0.05 R)
• M11: 6,139,646 km (0.071 R)
• M12: 7,219,892 km (0.105 R)
• M13: 8,326,019 km (0.076 R)
• M14: 8,785,584 km (0.114 R)
• M15: 10,009,444 km (0.115 R)
• M16: 11,028,953 km (0.044 R)
• M17: 12,537,199 km (0.069 R)
• M18: 15,513,598 km (0.089 R)
• M19: 16,010,114 km (0.12 R)
• M20: 16,774,708 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.9

Radius: 9.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.16 AU - 3.2 AU

Year: 3986 Days

Day: 7.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,666,387 km

• M1: 119,379 km (0.106 R)
• M2: 749,037 km (0.103 R)
• M3: 1,557,912 km (0.06 R)
• M4: 2,155,107 km (0.119 R)
• M5: 3,186,285 km (0.106 R)
• M6: 4,269,972 km (0.095 R)
• M7: 5,631,612 km (0.083 R)
• M8: 7,032,446 km (0.083 R)
• M9: 7,798,687 km (0.119 R)
• M10: 9,814,518 km (0.078 R)
• M11: 10,138,846 km (0.049 R)
• M12: 10,733,198 km (0.104 R)
• M13: 11,708,128 km (0.088 R)
• M14: 12,196,714 km (0.058 R)
• M15: 13,214,279 km (0.062 R)
• M16: 14,425,872 km (0.062 R)
• M17: 15,130,029 km (0.117 R)
• M18: 16,154,326 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.6

Radius: 3.1

Gravity: 47.3 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.76 AU - 10.84 AU

Year: 18350 Days

Day: 19.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,666,387 km

• M1: 38,895 km (0.089 R)
• M2: 185,950 km (0.08 R)
• M3: 761,453 km (0.111 R)
• M4: 1,679,236 km (0.12 R)
• M5: 1,904,231 km (0.099 R)
• M6: 3,898,371 km (0.087 R)
• M7: 4,260,847 km (0.075 R)
• M8: 5,899,093 km (0.073 R)
• M9: 8,444,351 km (0.094 R)
• M10: 8,692,983 km (0.12 R)
• M11: 9,100,936 km (0.101 R)
• M12: 23,805,958 km (0.116 R)
• M13: 33,321,579 km (0.1 R)
• M14: 40,853,982 km (0.036 R)
• M15: 43,302,300 km (0.027 R)
• M16: 46,152,289 km (0.05 R)
• M17: 52,555,826 km (0.077 R)
• M18: 52,723,077 km (0.102 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 11,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit