🌌 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: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.5

Radius: 10.6

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.47 AU - 0.63 AU

Year: 282 Days

Day: 6.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,061,348 km

• M1: 131,945 km (0.055 R)
• M2: 487,240 km (0.069 R)
• M3: 890,107 km (0.09 R)
• M4: 1,286,542 km (0.115 R)
• M5: 1,628,223 km (0.11 R)
• M6: 1,973,794 km (0.118 R)
• M7: 2,798,527 km (0.118 R)
• M8: 3,199,450 km (0.105 R)
• M9: 3,551,753 km (0.059 R)
• M10: 4,046,622 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.9

Radius: 13

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.57 AU - 0.77 AU

Year: 379 Days

Day: 9.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 79,061,348 km

• M1: 161,715 km (0.099 R)
• M2: 595,250 km (0.117 R)
• M3: 1,079,349 km (0.112 R)
• M4: 1,544,598 km (0.113 R)
• M5: 2,145,233 km (0.098 R)
• M6: 2,552,888 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983

Radius: 12.1

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.68 AU - 1.08 AU

Year: 570 Days

Day: 5.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,061,348 km

• M1: 150,495 km (0.047 R)
• M2: 568,023 km (0.068 R)
• M3: 1,035,666 km (0.117 R)
• M4: 1,486,105 km (0.072 R)
• M5: 2,013,587 km (0.058 R)
• M6: 2,950,220 km (0.091 R)
• M7: 3,333,639 km (0.073 R)
• M8: 4,202,653 km (0.054 R)
• M9: 4,674,634 km (0.111 R)
• M10: 5,341,242 km (0.066 R)
• M11: 5,877,102 km (0.095 R)
• M12: 7,253,552 km (0.053 R)
• M13: 7,818,882 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.7

Radius: 12.4

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.98 AU - 1.42 AU

Year: 907 Days

Day: 5.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,061,348 km

• M1: 154,235 km (0.115 R)
• M2: 541,843 km (0.028 R)
• M3: 1,119,441 km (0.098 R)
• M4: 1,534,725 km (0.096 R)
• M5: 2,167,972 km (0.083 R)
• M6: 2,715,501 km (0.084 R)
• M7: 3,834,343 km (0.118 R)
• M8: 4,694,830 km (0.118 R)
• M9: 5,123,129 km (0.038 R)
• M10: 6,276,827 km (0.096 R)
• M11: 6,728,463 km (0.095 R)
• M12: 7,546,465 km (0.059 R)
• M13: 8,005,580 km (0.076 R)
• M14: 9,264,746 km (0.109 R)
• M15: 10,123,886 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.4

Radius: 9.2

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.07 AU - 5.83 AU

Year: 8782 Days

Day: 6.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,061,348 km

• M1: 114,442 km (0.101 R)
• M2: 481,256 km (0.113 R)
• M3: 1,787,844 km (0.114 R)
• M4: 2,798,527 km (0.094 R)
• M5: 3,741,144 km (0.096 R)
• M6: 4,395,185 km (0.1 R)
• M7: 4,735,221 km (0.098 R)
• M8: 5,795,272 km (0.116 R)
• M9: 7,793,301 km (0.046 R)
• M10: 9,264,746 km (0.047 R)
• M11: 10,810,989 km (0.101 R)
• M12: 11,752,708 km (0.054 R)
• M13: 15,096,370 km (0.112 R)
• M14: 17,366,966 km (0.1 R)
• M15: 29,926,755 km (0.086 R)
• M16: 32,197,800 km (0.118 R)
• M17: 38,373,799 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104

Radius: 5.6

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.26 AU - 9.9 AU

Year: 15854 Days

Day: 17 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 79,061,348 km

• M1: 69,713 km (0.106 R)
• M2: 424,260 km (0.083 R)
• M3: 1,494,483 km (0.119 R)
• M4: 1,827,188 km (0.119 R)
• M5: 2,531,645 km (0.03 R)
• M6: 2,809,149 km (0.109 R)
• M7: 3,764,780 km (0.07 R)
• M8: 4,201,905 km (0.061 R)
• M9: 4,406,854 km (0.043 R)
• M10: 4,892,299 km (0.091 R)
• M11: 5,594,212 km (0.049 R)
• M12: 5,969,254 km (0.107 R)
• M13: 7,601,816 km (0.11 R)
• M14: 7,945,293 km (0.069 R)
• M15: 8,259,149 km (0.085 R)
• M16: 8,459,610 km (0.083 R)
• M17: 9,165,263 km (0.079 R)
• M18: 11,667,437 km (0.115 R)
• M19: 11,970,822 km (0.112 R)
• M20: 13,456,777 km (0.088 R)
• M21: 18,035,220 km (0.066 R)
• M22: 20,488,326 km (0.076 R)
• M23: 21,153,289 km (0.105 R)
• M24: 28,249,613 km (0.116 R)
• M25: 28,980,698 km (0.112 R)
• M26: 29,912,244 km (0.091 R)
• M27: 31,346,738 km (0.111 R)
• M28: 31,933,161 km (0.066 R)
• M29: 32,526,915 km (0.104 R)
• M30: 34,663,023 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946.7

Radius: 6.5

Gravity: 22.41 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.59 AU - 9.01 AU

Year: 18019 Days

Day: 18.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,061,348 km

• M1: 80,932 km (0.107 R)
• M2: 448,644 km (0.068 R)
• M3: 666,459 km (0.072 R)
• M4: 1,132,157 km (0.11 R)
• M5: 1,741,319 km (0.059 R)
• M6: 2,277,927 km (0.061 R)
• M7: 3,185,088 km (0.115 R)
• M8: 3,644,354 km (0.115 R)
• M9: 3,921,409 km (0.103 R)
• M10: 4,694,232 km (0.102 R)
• M11: 5,366,524 km (0.117 R)
• M12: 6,947,325 km (0.119 R)
• M13: 8,760,900 km (0.103 R)
• M14: 9,203,261 km (0.061 R)
• M15: 9,487,048 km (0.102 R)
• M16: 10,132,114 km (0.061 R)
• M17: 10,496,235 km (0.072 R)
• M18: 14,784,608 km (0.117 R)
• M19: 17,570,719 km (0.084 R)
• M20: 21,670,897 km (0.117 R)
• M21: 22,684,423 km (0.079 R)
• M22: 25,244,940 km (0.101 R)
• M23: 29,193,127 km (0.046 R)
• M24: 30,932,053 km (0.04 R)
• M25: 32,476,501 km (0.107 R)
• M26: 35,025,798 km (0.113 R)
• M27: 37,850,206 km (0.109 R)
• M28: 49,445,687 km (0.049 R)
• M29: 57,083,705 km (0.112 R)
• M30: 65,890,382 km (0.094 R)
• M31: 67,157,327 km (0.112 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: 345 - 19,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit