🌌 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: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.8

Radius: 10.7

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.51 AU - 0.61 AU

Year: 284 Days

Day: 9.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,343,667 km

• M1: 133,142 km (0.037 R)
• M2: 525,837 km (0.063 R)
• M3: 1,002,755 km (0.099 R)
• M4: 1,351,617 km (0.049 R)
• M5: 1,714,990 km (0.1 R)
• M6: 2,546,156 km (0.059 R)
• M7: 2,909,379 km (0.078 R)
• M8: 3,581,523 km (0.12 R)
• M9: 4,052,158 km (0.059 R)
• M10: 4,577,246 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.1

Radius: 9.8

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.51 AU - 0.63 AU

Year: 292 Days

Day: 8.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,343,667 km

• M1: 121,922 km (0.085 R)
• M2: 495,319 km (0.115 R)
• M3: 809,175 km (0.035 R)
• M4: 1,173,745 km (0.1 R)
• M5: 1,824,645 km (0.105 R)
• M6: 2,216,292 km (0.111 R)
• M7: 2,546,455 km (0.04 R)
• M8: 2,899,805 km (0.06 R)
• M9: 3,414,871 km (0.105 R)
• M10: 4,100,328 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.8

Radius: 12.5

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.1 AU - 1.38 AU

Year: 937 Days

Day: 14.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,343,667 km

• M1: 155,432 km (0.073 R)
• M2: 594,502 km (0.091 R)
• M3: 1,011,581 km (0.099 R)
• M4: 1,558,959 km (0.106 R)
• M5: 2,103,047 km (0.059 R)
• M6: 2,522,968 km (0.114 R)
• M7: 3,491,913 km (0.064 R)
• M8: 4,694,830 km (0.101 R)
• M9: 5,304,591 km (0.086 R)
• M10: 6,008,598 km (0.039 R)
• M11: 6,482,375 km (0.033 R)
• M12: 7,603,461 km (0.048 R)
• M13: 8,419,967 km (0.112 R)
• M14: 9,209,544 km (0.116 R)
• M15: 9,988,500 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.5

Radius: 12.1

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.46 AU - 2.8 AU

Year: 2893 Days

Day: 9.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,343,667 km

• M1: 150,495 km (0.067 R)
• M2: 708,047 km (0.083 R)
• M3: 1,414,747 km (0.081 R)
• M4: 1,930,261 km (0.098 R)
• M5: 3,236,700 km (0.047 R)
• M6: 3,790,212 km (0.054 R)
• M7: 4,186,496 km (0.099 R)
• M8: 4,893,197 km (0.112 R)
• M9: 6,603,699 km (0.108 R)
• M10: 7,957,709 km (0.114 R)
• M11: 9,832,918 km (0.033 R)
• M12: 15,517,189 km (0.074 R)
• M13: 18,067,234 km (0.076 R)
• M14: 18,895,857 km (0.06 R)
• M15: 21,468,641 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.8

Radius: 13.1

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.5 AU - 3.58 AU

Year: 3595 Days

Day: 14.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,343,667 km

• M1: 162,912 km (0.076 R)
• M2: 816,954 km (0.086 R)
• M3: 1,632,262 km (0.104 R)
• M4: 2,097,661 km (0.11 R)
• M5: 4,122,917 km (0.106 R)
• M6: 4,834,554 km (0.078 R)
• M7: 5,295,017 km (0.105 R)
• M8: 7,565,464 km (0.082 R)
• M9: 8,669,047 km (0.104 R)
• M10: 10,147,523 km (0.112 R)
• M11: 13,362,979 km (0.056 R)
• M12: 14,922,088 km (0.031 R)
• M13: 15,903,450 km (0.077 R)
• M14: 16,329,356 km (0.105 R)
• M15: 17,823,240 km (0.076 R)
• M16: 19,226,169 km (0.098 R)
• M17: 20,077,680 km (0.097 R)
• M18: 21,402,219 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.9

Radius: 12.2

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.39 AU - 4.35 AU

Year: 5164 Days

Day: 10.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,343,667 km

• M1: 151,991 km (0.113 R)
• M2: 545,135 km (0.1 R)
• M3: 1,021,305 km (0.063 R)
• M4: 1,479,523 km (0.082 R)
• M5: 2,031,240 km (0.054 R)
• M6: 2,610,932 km (0.076 R)
• M7: 3,037,435 km (0.051 R)
• M8: 3,915,126 km (0.065 R)
• M9: 5,436,686 km (0.032 R)
• M10: 6,495,091 km (0.097 R)
• M11: 8,372,843 km (0.097 R)
• M12: 9,017,311 km (0.095 R)
• M13: 9,738,073 km (0.12 R)
• M14: 10,224,715 km (0.075 R)
• M15: 11,881,960 km (0.105 R)
• M16: 13,331,564 km (0.11 R)
• M17: 20,036,989 km (0.107 R)
• M18: 23,316,025 km (0.072 R)
• M19: 25,330,510 km (0.066 R)
• M20: 25,998,913 km (0.045 R)
• M21: 28,881,215 km (0.119 R)
• M22: 29,887,560 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987

Radius: 6

Gravity: 27.42 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.6 AU - 7.32 AU

Year: 12454 Days

Day: 21.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 23,343,667 km

• M1: 74,649 km (0.115 R)
• M2: 490,531 km (0.105 R)
• M3: 714,180 km (0.098 R)
• M4: 961,765 km (0.104 R)
• M5: 1,149,510 km (0.119 R)
• M6: 1,419,385 km (0.109 R)
• M7: 1,798,615 km (0.1 R)
• M8: 2,125,636 km (0.118 R)
• M9: 2,781,324 km (0.042 R)
• M10: 3,322,868 km (0.048 R)
• M11: 4,050,662 km (0.094 R)
• M12: 4,613,299 km (0.043 R)
• M13: 5,156,190 km (0.079 R)
• M14: 5,370,264 km (0.096 R)
• M15: 5,702,671 km (0.119 R)
• M16: 6,327,541 km (0.101 R)
• M17: 7,127,591 km (0.093 R)
• M18: 8,475,767 km (0.058 R)
• M19: 9,446,208 km (0.119 R)
• M20: 10,040,710 km (0.106 R)
• M21: 10,833,130 km (0.083 R)
• M22: 11,727,575 km (0.116 R)
• M23: 13,935,640 km (0.077 R)
• M24: 15,282,918 km (0.089 R)
• M25: 20,458,855 km (0.097 R)
• M26: 20,996,809 km (0.112 R)
• M27: 26,060,996 km (0.112 R)
• M28: 28,873,735 km (0.084 R)
• M29: 31,644,138 km (0.111 R)
• M30: 32,848,850 km (0.045 R)
• M31: 43,461,473 km (0.116 R)
• M32: 50,910,848 km (0.093 R)
• M33: 56,673,508 km (0.042 R)
• M34: 57,378,712 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.3

Radius: 7

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 8.07 AU - 9.29 AU

Year: 17345 Days

Day: 17.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,343,667 km

• M1: 87,365 km (0.095 R)
• M2: 450,439 km (0.053 R)
• M3: 807,081 km (0.116 R)
• M4: 1,403,976 km (0.096 R)
• M5: 1,689,858 km (0.065 R)
• M6: 2,548,101 km (0.038 R)
• M7: 3,135,871 km (0.041 R)
• M8: 3,394,974 km (0.107 R)
• M9: 5,417,986 km (0.064 R)
• M10: 11,861,017 km (0.117 R)
• M11: 12,400,915 km (0.112 R)
• M12: 23,273,988 km (0.045 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 13,066 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit