🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.4

Radius: 11.2

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.88 AU - 0.98 AU

Year: 630 Days

Day: 11.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,288,965 km

• M1: 139,425 km (0.078 R)
• M2: 600,635 km (0.09 R)
• M3: 1,002,605 km (0.088 R)
• M4: 1,825,393 km (0.079 R)
• M5: 2,430,816 km (0.077 R)
• M6: 2,877,216 km (0.102 R)
• M7: 4,366,163 km (0.025 R)
• M8: 4,889,008 km (0.037 R)
• M9: 6,114,514 km (0.076 R)

Asteroid Belt

Center: 1.65 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.4

Radius: 14.2

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.15 AU - 2.57 AU

Year: 2548 Days

Day: 8.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,288,965 km

• M1: 176,675 km (0.111 R)
• M2: 686,505 km (0.102 R)
• M3: 1,212,341 km (0.118 R)
• M4: 2,001,320 km (0.059 R)
• M5: 2,527,905 km (0.074 R)
• M6: 3,262,430 km (0.119 R)
• M7: 7,650,884 km (0.098 R)
• M8: 8,592,004 km (0.1 R)
• M9: 9,192,939 km (0.107 R)
• M10: 9,786,094 km (0.109 R)
• M11: 10,441,782 km (0.112 R)
• M12: 15,202,734 km (0.103 R)
• M13: 16,334,143 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.4

Radius: 10.7

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.86 AU - 5.62 AU

Year: 7254 Days

Day: 10.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,288,965 km

• M1: 139,276 km (0.111 R)
• M2: 485,146 km (0.071 R)
• M3: 1,280,707 km (0.068 R)
• M4: 2,179,491 km (0.073 R)
• M5: 2,826,502 km (0.083 R)
• M6: 3,228,771 km (0.113 R)
• M7: 4,123,366 km (0.1 R)
• M8: 6,433,905 km (0.115 R)
• M9: 8,558,345 km (0.118 R)
• M10: 9,545,092 km (0.115 R)
• M11: 10,358,157 km (0.047 R)
• M12: 11,690,326 km (0.117 R)
• M13: 18,826,443 km (0.098 R)
• M14: 21,119,330 km (0.097 R)
• M15: 21,842,037 km (0.04 R)
• M16: 23,336,669 km (0.053 R)
• M17: 30,303,741 km (0.04 R)
• M18: 31,637,556 km (0.117 R)
• M19: 35,760,773 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.5

Radius: 14.3

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.99 AU - 5.81 AU

Year: 7624 Days

Day: 14 Hours

Environment

Temp: -224 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,288,965 km

• M1: 215,271 km (0.104 R)
• M2: 756,068 km (0.04 R)
• M3: 1,321,548 km (0.106 R)
• M4: 2,009,548 km (0.093 R)
• M5: 3,293,696 km (0.038 R)
• M6: 4,804,036 km (0.116 R)
• M7: 7,263,725 km (0.03 R)
• M8: 7,777,145 km (0.1 R)
• M9: 10,078,857 km (0.065 R)
• M10: 10,618,906 km (0.057 R)
• M11: 12,190,431 km (0.106 R)
• M12: 14,894,413 km (0.117 R)
• M13: 15,660,952 km (0.074 R)
• M14: 16,723,845 km (0.062 R)
• M15: 17,203,755 km (0.11 R)
• M16: 18,263,058 km (0.095 R)
• M17: 19,666,884 km (0.084 R)
• M18: 21,301,091 km (0.069 R)
• M19: 23,192,756 km (0.099 R)
• M20: 28,360,615 km (0.04 R)
• M21: 30,443,615 km (0.113 R)
• M22: 32,203,335 km (0.11 R)
• M23: 37,187,338 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196

Radius: 13.5

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.7 AU - 5.94 AU

Year: 8625 Days

Day: 13 Hours

Environment

Temp: -216 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,288,965 km

• M1: 167,998 km (0.099 R)
• M2: 673,789 km (0.036 R)
• M3: 1,209,050 km (0.071 R)
• M4: 2,367,536 km (0.092 R)
• M5: 5,191,345 km (0.115 R)
• M6: 6,221,925 km (0.072 R)
• M7: 7,452,966 km (0.096 R)
• M8: 9,802,101 km (0.095 R)
• M9: 10,831,933 km (0.104 R)
• M10: 12,412,883 km (0.067 R)
• M11: 13,566,433 km (0.074 R)
• M12: 18,710,654 km (0.093 R)
• M13: 22,179,231 km (0.067 R)
• M14: 25,340,683 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.9

Radius: 3.7

Gravity: 48.2 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.91 AU - 6.59 AU

Year: 9692 Days

Day: 15.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 45,288,965 km

• M1: 46,076 km (0.111 R)
• M2: 339,288 km (0.098 R)
• M3: 506,389 km (0.101 R)
• M4: 718,818 km (0.052 R)
• M5: 988,393 km (0.072 R)
• M6: 1,373,159 km (0.041 R)
• M7: 1,621,342 km (0.096 R)
• M8: 2,135,809 km (0.091 R)
• M9: 3,404,548 km (0.11 R)
• M10: 4,613,299 km (0.068 R)
• M11: 6,010,992 km (0.083 R)
• M12: 7,059,224 km (0.118 R)
• M13: 12,765,785 km (0.106 R)
• M14: 13,544,292 km (0.051 R)
• M15: 14,481,373 km (0.112 R)
• M16: 15,327,798 km (0.091 R)
• M17: 15,932,622 km (0.104 R)
• M18: 16,623,315 km (0.038 R)
• M19: 17,696,381 km (0.108 R)
• M20: 18,967,215 km (0.12 R)
• M21: 19,664,191 km (0.103 R)
• M22: 20,217,853 km (0.104 R)
• M23: 20,458,257 km (0.106 R)
• M24: 21,273,565 km (0.074 R)
• M25: 22,025,743 km (0.111 R)
• M26: 23,406,232 km (0.04 R)
• M27: 25,864,873 km (0.078 R)
• M28: 27,205,121 km (0.056 R)
• M29: 28,390,086 km (0.115 R)
• M30: 31,717,292 km (0.086 R)
• M31: 32,587,951 km (0.087 R)
• M32: 33,140,117 km (0.082 R)
• M33: 35,295,374 km (0.094 R)
• M34: 39,257,324 km (0.064 R)
• M35: 40,768,561 km (0.079 R)
• M36: 45,123,505 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122

Radius: 4.6

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.41 AU - 6.81 AU

Year: 10616 Days

Day: 18.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,288,965 km

• M1: 57,146 km (0.114 R)
• M2: 416,032 km (0.118 R)
• M3: 768,933 km (0.113 R)
• M4: 1,453,044 km (0.091 R)
• M5: 3,685,792 km (0.118 R)
• M6: 4,227,037 km (0.059 R)
• M7: 6,046,596 km (0.1 R)
• M8: 6,700,040 km (0.076 R)
• M9: 9,098,991 km (0.111 R)
• M10: 9,997,177 km (0.085 R)
• M11: 13,094,601 km (0.106 R)
• M12: 14,886,783 km (0.054 R)
• M13: 18,756,132 km (0.078 R)
• M14: 20,339,327 km (0.112 R)
• M15: 22,585,688 km (0.079 R)
• M16: 23,098,210 km (0.111 R)
• M17: 24,451,772 km (0.09 R)
• M18: 25,857,394 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.8

Radius: 5.7

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.55 AU - 6.85 AU

Year: 12190 Days

Day: 18.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 45,288,965 km

• M1: 71,657 km (0.118 R)
• M2: 289,173 km (0.115 R)
• M3: 501,751 km (0.071 R)
• M4: 803,191 km (0.104 R)
• M5: 990,936 km (0.052 R)
• M6: 1,173,745 km (0.089 R)
• M7: 1,608,925 km (0.072 R)
• M8: 1,943,875 km (0.113 R)
• M9: 2,215,993 km (0.071 R)
• M10: 2,815,582 km (0.077 R)
• M11: 4,082,526 km (0.061 R)
• M12: 4,646,659 km (0.025 R)
• M13: 6,689,119 km (0.05 R)
• M14: 8,011,864 km (0.117 R)
• M15: 11,485,526 km (0.097 R)
• M16: 12,603,920 km (0.103 R)
• M17: 13,977,527 km (0.053 R)
• M18: 14,541,212 km (0.086 R)
• M19: 15,915,418 km (0.113 R)
• M20: 16,255,005 km (0.064 R)
• M21: 16,738,356 km (0.064 R)
• M22: 16,948,392 km (0.062 R)
• M23: 17,373,848 km (0.105 R)
• M24: 18,098,799 km (0.091 R)
• M25: 25,185,550 km (0.081 R)
• M26: 26,967,709 km (0.086 R)
• M27: 28,234,354 km (0.106 R)
• M28: 28,532,203 km (0.066 R)
• M29: 33,810,016 km (0.061 R)
• M30: 36,559,775 km (0.086 R)
• M31: 37,269,916 km (0.076 R)
• M32: 38,839,796 km (0.091 R)
• M33: 41,467,931 km (0.073 R)
• M34: 43,813,177 km (0.101 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 20,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit