🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72

Radius: 12.6

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.99 AU - 1.05 AU

Year: 699 Days

Day: 10.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 42,767,549 km

• M1: 157,676 km (0.068 R)
• M2: 625,170 km (0.089 R)
• M3: 1,103,583 km (0.05 R)
• M4: 1,944,024 km (0.103 R)
• M5: 3,022,775 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.9

Radius: 13.8

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.65 AU - 1.83 AU

Year: 1557 Days

Day: 10.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,767,549 km

• M1: 171,589 km (0.116 R)
• M2: 628,610 km (0.091 R)
• M3: 1,071,121 km (0.119 R)
• M4: 1,675,347 km (0.034 R)
• M5: 2,452,358 km (0.077 R)
• M6: 3,394,974 km (0.057 R)
• M7: 3,827,910 km (0.118 R)
• M8: 4,909,054 km (0.04 R)
• M9: 5,691,152 km (0.063 R)
• M10: 7,231,711 km (0.075 R)
• M11: 7,671,080 km (0.082 R)
• M12: 8,910,498 km (0.041 R)
• M13: 9,908,017 km (0.07 R)
• M14: 10,660,045 km (0.053 R)
• M15: 11,339,967 km (0.117 R)
• M16: 12,278,544 km (0.1 R)
• M17: 12,826,521 km (0.113 R)
• M18: 13,887,320 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.5

Radius: 13.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.87 AU - 2.13 AU

Year: 1918 Days

Day: 8.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,767,549 km

• M1: 172,935 km (0.099 R)
• M2: 855,401 km (0.066 R)
• M3: 1,436,439 km (0.08 R)
• M4: 2,387,133 km (0.095 R)
• M5: 2,856,721 km (0.097 R)
• M6: 5,918,541 km (0.078 R)
• M7: 6,409,670 km (0.116 R)
• M8: 6,951,065 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.1

Radius: 8.5

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.7 AU - 4.06 AU

Year: 4215 Days

Day: 10.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,767,549 km

• M1: 105,766 km (0.105 R)
• M2: 397,781 km (0.078 R)
• M3: 732,431 km (0.061 R)
• M4: 1,277,267 km (0.102 R)
• M5: 1,819,858 km (0.101 R)
• M6: 3,485,182 km (0.101 R)
• M7: 5,173,693 km (0.119 R)
• M8: 7,038,879 km (0.044 R)
• M9: 7,523,127 km (0.113 R)
• M10: 8,558,494 km (0.048 R)
• M11: 9,770,087 km (0.101 R)
• M12: 11,370,485 km (0.074 R)
• M13: 12,281,985 km (0.079 R)
• M14: 15,366,394 km (0.049 R)
• M15: 17,835,058 km (0.12 R)
• M16: 18,345,785 km (0.113 R)
• M17: 22,640,890 km (0.116 R)
• M18: 23,315,427 km (0.084 R)
• M19: 24,469,275 km (0.045 R)
• M20: 25,580,039 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.1

Radius: 4.8

Gravity: 37.2 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.69 AU - 5.75 AU

Year: 9279 Days

Day: 18 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 42,767,549 km

• M1: 59,690 km (0.088 R)
• M2: 222,003 km (0.082 R)
• M3: 527,332 km (0.038 R)
• M4: 738,116 km (0.086 R)
• M5: 942,317 km (0.106 R)
• M6: 1,102,836 km (0.089 R)
• M7: 1,652,757 km (0.065 R)
• M8: 2,387,732 km (0.119 R)
• M9: 3,319,876 km (0.067 R)
• M10: 3,853,791 km (0.09 R)
• M11: 4,472,378 km (0.07 R)
• M12: 5,058,054 km (0.092 R)
• M13: 6,231,200 km (0.114 R)
• M14: 6,960,340 km (0.088 R)
• M15: 7,201,941 km (0.089 R)
• M16: 8,004,234 km (0.102 R)
• M17: 8,359,230 km (0.106 R)
• M18: 9,935,393 km (0.099 R)
• M19: 10,397,501 km (0.111 R)
• M20: 10,554,579 km (0.097 R)
• M21: 11,254,098 km (0.093 R)
• M22: 11,587,103 km (0.066 R)
• M23: 15,287,706 km (0.06 R)
• M24: 16,181,852 km (0.115 R)
• M25: 18,073,966 km (0.078 R)
• M26: 19,229,909 km (0.079 R)
• M27: 26,823,197 km (0.108 R)
• M28: 39,918,247 km (0.096 R)
• M29: 40,822,117 km (0.105 R)
• M30: 41,476,010 km (0.079 R)
• M31: 46,961,016 km (0.075 R)
• M32: 49,136,468 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.1

Radius: 3.4

Gravity: 16.96 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.76 AU - 8.52 AU

Year: 15752 Days

Day: 22.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,767,549 km

• M1: 50,564 km (0.074 R)
• M2: 220,657 km (0.095 R)
• M3: 2,442,634 km (0.055 R)
• M4: 2,615,868 km (0.079 R)
• M5: 4,826,626 km (0.087 R)
• M6: 5,676,491 km (0.09 R)
• M7: 11,295,088 km (0.089 R)
• M8: 14,634,262 km (0.103 R)
• M9: 15,725,130 km (0.042 R)
• M10: 20,710,030 km (0.103 R)
• M11: 21,917,584 km (0.092 R)
• M12: 22,748,301 km (0.056 R)
• M13: 23,256,635 km (0.073 R)
• M14: 25,095,342 km (0.067 R)
• M15: 25,912,296 km (0.092 R)
• M16: 28,469,073 km (0.06 R)
• M17: 30,672,799 km (0.114 R)
• M18: 31,085,241 km (0.096 R)
• M19: 40,998,044 km (0.108 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: 410 - 14,683 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit