🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.4

Radius: 12.2

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.72 AU - 1.1 AU

Year: 552 Days

Day: 6.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,079,760 km

• M1: 151,842 km (0.083 R)
• M2: 577,149 km (0.077 R)
• M3: 1,094,009 km (0.114 R)
• M4: 1,508,246 km (0.059 R)
• M5: 2,127,132 km (0.095 R)
• M6: 3,154,869 km (0.113 R)
• M7: 4,189,638 km (0.088 R)
• M8: 4,722,206 km (0.101 R)
• M9: 7,087,199 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13

Radius: 9.8

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.02 AU - 2.08 AU

Year: 1866 Days

Day: 7.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 67,079,760 km

• M1: 127,607 km (0.057 R)
• M2: 1,340,995 km (0.041 R)
• M3: 2,397,904 km (0.077 R)
• M4: 3,008,413 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.8

Radius: 14.5

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.03 AU - 3.07 AU

Year: 2589 Days

Day: 10.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,079,760 km

• M1: 180,714 km (0.074 R)
• M2: 754,721 km (0.114 R)
• M3: 1,222,514 km (0.106 R)
• M4: 1,756,578 km (0.118 R)
• M5: 2,490,057 km (0.036 R)
• M6: 3,567,161 km (0.078 R)
• M7: 4,982,207 km (0.081 R)
• M8: 5,638,344 km (0.115 R)
• M9: 6,269,497 km (0.118 R)
• M10: 7,580,722 km (0.108 R)
• M11: 8,153,832 km (0.056 R)
• M12: 10,124,485 km (0.118 R)
• M13: 10,939,793 km (0.114 R)
• M14: 11,882,708 km (0.09 R)
• M15: 12,482,596 km (0.096 R)
• M16: 13,836,756 km (0.092 R)
• M17: 15,038,176 km (0.091 R)
• M18: 16,465,190 km (0.07 R)
• M19: 17,157,679 km (0.105 R)
• M20: 17,648,510 km (0.107 R)
• M21: 19,528,805 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.3

Radius: 13.7

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.9 AU - 4.8 AU

Year: 4803 Days

Day: 13.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,079,760 km

• M1: 170,841 km (0.071 R)
• M2: 637,287 km (0.085 R)
• M3: 1,455,886 km (0.118 R)
• M4: 1,896,153 km (0.081 R)
• M5: 2,817,377 km (0.112 R)
• M6: 3,350,244 km (0.064 R)
• M7: 4,596,544 km (0.088 R)
• M8: 6,009,945 km (0.091 R)
• M9: 6,967,222 km (0.09 R)
• M10: 7,950,080 km (0.101 R)
• M11: 11,410,727 km (0.11 R)
• M12: 12,979,261 km (0.117 R)
• M13: 13,976,331 km (0.075 R)
• M14: 16,063,670 km (0.093 R)
• M15: 18,030,283 km (0.075 R)
• M16: 21,633,198 km (0.105 R)
• M17: 23,336,669 km (0.109 R)
• M18: 23,872,379 km (0.096 R)
• M19: 26,344,484 km (0.042 R)
• M20: 27,941,441 km (0.116 R)
• M21: 28,807,464 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.8

Radius: 8.9

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.36 AU - 5.26 AU

Year: 5689 Days

Day: 8.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,079,760 km

• M1: 110,852 km (0.102 R)
• M2: 791,971 km (0.028 R)
• M3: 1,094,009 km (0.119 R)
• M4: 1,624,184 km (0.097 R)
• M5: 2,487,813 km (0.109 R)
• M6: 2,952,164 km (0.099 R)
• M7: 3,721,397 km (0.103 R)
• M8: 4,228,384 km (0.113 R)
• M9: 5,292,025 km (0.108 R)
• M10: 6,126,482 km (0.074 R)
• M11: 6,592,479 km (0.112 R)
• M12: 7,708,629 km (0.094 R)
• M13: 8,212,325 km (0.1 R)
• M14: 8,492,671 km (0.054 R)
• M15: 11,459,197 km (0.078 R)
• M16: 14,351,223 km (0.1 R)
• M17: 15,414,415 km (0.051 R)
• M18: 16,656,377 km (0.084 R)
• M19: 19,408,678 km (0.11 R)
• M20: 19,907,138 km (0.057 R)
• M21: 21,910,104 km (0.054 R)
• M22: 22,841,949 km (0.063 R)
• M23: 26,835,165 km (0.097 R)
• M24: 27,543,062 km (0.065 R)
• M25: 28,082,063 km (0.058 R)
• M26: 29,553,957 km (0.099 R)
• M27: 34,901,333 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698

Radius: 7.3

Gravity: 13.1 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.72 AU - 9.74 AU

Year: 16400 Days

Day: 22.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,079,760 km

• M1: 90,806 km (0.055 R)
• M2: 340,186 km (0.09 R)
• M3: 651,200 km (0.07 R)
• M4: 938,128 km (0.098 R)
• M5: 1,214,735 km (0.104 R)
• M6: 1,707,809 km (0.056 R)
• M7: 2,125,337 km (0.069 R)
• M8: 2,476,294 km (0.072 R)
• M9: 3,242,384 km (0.041 R)
• M10: 3,795,747 km (0.059 R)
• M11: 4,156,876 km (0.061 R)
• M12: 4,507,982 km (0.091 R)
• M13: 4,809,871 km (0.096 R)
• M14: 10,875,316 km (0.066 R)
• M15: 13,570,920 km (0.041 R)
• M16: 14,778,474 km (0.086 R)
• M17: 17,081,683 km (0.095 R)
• M18: 17,324,331 km (0.067 R)
• M19: 17,733,930 km (0.094 R)
• M20: 18,915,454 km (0.117 R)
• M21: 24,066,857 km (0.06 R)
• M22: 25,936,980 km (0.026 R)
• M23: 26,689,756 km (0.093 R)
• M24: 34,517,913 km (0.092 R)
• M25: 36,088,542 km (0.072 R)
• M26: 40,508,710 km (0.083 R)
• M27: 47,156,989 km (0.092 R)
• M28: 56,803,059 km (0.112 R)
• M29: 57,707,079 km (0.1 R)
• M30: 60,852,375 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 16,757 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit