🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.6

Radius: 14.1

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.91 AU - 1.09 AU

Year: 656 Days

Day: 10.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,364,714 km

• M1: 175,329 km (0.07 R)
• M2: 622,776 km (0.105 R)
• M3: 1,258,417 km (0.089 R)
• M4: 1,696,889 km (0.115 R)
• M5: 2,146,580 km (0.106 R)
• M6: 3,098,920 km (0.107 R)
• M7: 3,713,468 km (0.085 R)
• M8: 4,152,986 km (0.109 R)
• M9: 5,002,702 km (0.094 R)
• M10: 5,704,616 km (0.07 R)
• M11: 6,755,989 km (0.066 R)
• M12: 7,219,743 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.9

Radius: 10.4

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.6 AU - 1.86 AU

Year: 1493 Days

Day: 12.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,364,714 km

• M1: 129,402 km (0.11 R)
• M2: 464,053 km (0.066 R)
• M3: 1,106,426 km (0.112 R)
• M4: 1,507,797 km (0.115 R)
• M5: 1,864,139 km (0.082 R)
• M6: 2,252,645 km (0.073 R)
• M7: 2,626,490 km (0.058 R)
• M8: 3,133,178 km (0.119 R)
• M9: 3,517,644 km (0.043 R)
• M10: 4,097,785 km (0.115 R)
• M11: 4,558,995 km (0.08 R)
• M12: 4,906,361 km (0.085 R)
• M13: 5,701,025 km (0.033 R)
• M14: 6,997,590 km (0.09 R)
• M15: 7,322,816 km (0.118 R)
• M16: 8,062,428 km (0.041 R)
• M17: 9,690,501 km (0.04 R)
• M18: 11,341,314 km (0.069 R)
• M19: 13,543,843 km (0.105 R)
• M20: 14,050,531 km (0.046 R)
• M21: 14,967,566 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.3

Radius: 10.1

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.99 AU - 4.75 AU

Year: 4994 Days

Day: 5 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,364,714 km

• M1: 125,662 km (0.109 R)
• M2: 589,116 km (0.116 R)
• M3: 921,523 km (0.111 R)
• M4: 1,546,393 km (0.079 R)
• M5: 1,898,098 km (0.078 R)
• M6: 2,467,916 km (0.055 R)
• M7: 2,914,915 km (0.093 R)
• M8: 4,435,726 km (0.102 R)
• M9: 6,139,197 km (0.058 R)
• M10: 7,278,684 km (0.11 R)
• M11: 7,602,713 km (0.114 R)
• M12: 8,049,712 km (0.077 R)
• M13: 8,672,937 km (0.113 R)
• M14: 9,244,400 km (0.104 R)
• M15: 10,059,858 km (0.108 R)
• M16: 10,829,539 km (0.084 R)
• M17: 11,637,966 km (0.099 R)
• M18: 12,899,226 km (0.091 R)
• M19: 13,536,064 km (0.119 R)
• M20: 17,102,029 km (0.054 R)
• M21: 18,329,629 km (0.076 R)
• M22: 19,134,615 km (0.084 R)
• M23: 20,386,001 km (0.112 R)
• M24: 24,547,515 km (0.093 R)
• M25: 26,613,910 km (0.106 R)
• M26: 31,753,794 km (0.104 R)
• M27: 32,330,493 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.5

Radius: 15

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.97 AU - 6.17 AU

Year: 7489 Days

Day: 9.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,364,714 km

• M1: 186,549 km (0.103 R)
• M2: 748,289 km (0.109 R)
• M3: 2,224,072 km (0.112 R)
• M4: 3,136,469 km (0.109 R)
• M5: 4,287,325 km (0.1 R)
• M6: 7,101,710 km (0.092 R)
• M7: 7,901,909 km (0.095 R)
• M8: 10,924,385 km (0.049 R)
• M9: 14,273,282 km (0.108 R)
• M10: 17,747,244 km (0.087 R)
• M11: 18,846,041 km (0.052 R)
• M12: 21,998,068 km (0.084 R)
• M13: 24,850,899 km (0.069 R)
• M14: 29,328,214 km (0.116 R)
• M15: 37,543,530 km (0.098 R)
• M16: 44,195,400 km (0.039 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.2

Radius: 7.5

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 7.73 AU - 11.75 AU

Year: 19941 Days

Day: 16.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,364,714 km

• M1: 93,349 km (0.112 R)
• M2: 401,969 km (0.076 R)
• M3: 1,091,915 km (0.089 R)
• M4: 1,397,693 km (0.102 R)
• M5: 1,882,540 km (0.114 R)
• M6: 2,368,284 km (0.078 R)
• M7: 3,008,413 km (0.1 R)
• M8: 3,816,541 km (0.054 R)
• M9: 4,660,722 km (0.106 R)
• M10: 5,473,337 km (0.109 R)
• M11: 6,501,823 km (0.032 R)
• M12: 6,842,906 km (0.053 R)
• M13: 7,514,301 km (0.1 R)
• M14: 8,278,148 km (0.095 R)
• M15: 11,856,678 km (0.097 R)
• M16: 12,956,821 km (0.077 R)
• M17: 13,912,752 km (0.062 R)
• M18: 16,040,931 km (0.072 R)
• M19: 17,466,000 km (0.105 R)
• M20: 18,293,127 km (0.107 R)
• M21: 20,384,355 km (0.053 R)
• M22: 28,727,878 km (0.065 R)
• M23: 30,584,686 km (0.072 R)
• M24: 31,180,983 km (0.085 R)
• M25: 34,024,241 km (0.115 R)
• M26: 37,441,205 km (0.083 R)
• M27: 38,123,521 km (0.094 R)
• M28: 39,372,664 km (0.109 R)
• M29: 39,653,908 km (0.058 R)
• M30: 39,936,498 km (0.109 R)
• M31: 44,795,138 km (0.049 R)
• M32: 45,718,904 km (0.07 R)
• M33: 48,889,931 km (0.103 R)
• M34: 53,227,371 km (0.095 R)
• M35: 53,743,783 km (0.082 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 14,847 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit