🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.2

Radius: 14.1

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.54 AU - 0.88 AU

Year: 392 Days

Day: 10.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,042,342 km

• M1: 180,415 km (0.12 R)
• M2: 636,090 km (0.102 R)
• M3: 1,133,952 km (0.095 R)
• M4: 1,755,082 km (0.105 R)
• M5: 2,222,276 km (0.113 R)
• M6: 2,987,918 km (0.076 R)
• M7: 3,439,405 km (0.07 R)
• M8: 4,078,188 km (0.064 R)
• M9: 4,912,944 km (0.107 R)
• M10: 5,466,755 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.9

Radius: 8.2

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.74 AU - 0.88 AU

Year: 478 Days

Day: 8.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,042,342 km

• M1: 102,026 km (0.107 R)
• M2: 358,885 km (0.067 R)
• M3: 664,514 km (0.11 R)
• M4: 922,121 km (0.112 R)
• M5: 1,242,261 km (0.066 R)
• M6: 1,780,663 km (0.034 R)
• M7: 2,112,621 km (0.039 R)
• M8: 2,417,502 km (0.093 R)
• M9: 2,772,946 km (0.049 R)
• M10: 3,269,013 km (0.103 R)
• M11: 3,538,588 km (0.098 R)
• M12: 4,647,258 km (0.102 R)
• M13: 4,909,952 km (0.081 R)
• M14: 5,829,081 km (0.063 R)
• M15: 6,098,656 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.2

Radius: 9.3

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.24 AU - 1.88 AU

Year: 1278 Days

Day: 13.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,042,342 km

• M1: 115,639 km (0.069 R)
• M2: 496,665 km (0.045 R)
• M3: 800,947 km (0.119 R)
• M4: 1,499,419 km (0.026 R)
• M5: 1,831,377 km (0.06 R)
• M6: 2,201,482 km (0.083 R)
• M7: 2,584,453 km (0.06 R)
• M8: 3,278,587 km (0.11 R)
• M9: 4,142,664 km (0.104 R)
• M10: 5,230,690 km (0.109 R)
• M11: 5,916,895 km (0.077 R)
• M12: 6,568,394 km (0.049 R)
• M13: 7,647,294 km (0.045 R)
• M14: 8,840,037 km (0.09 R)
• M15: 9,691,399 km (0.096 R)
• M16: 10,532,139 km (0.098 R)
• M17: 11,119,161 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.8

Radius: 9.4

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.54 AU - 1.7 AU

Year: 1353 Days

Day: 11.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,042,342 km

• M1: 116,836 km (0.068 R)
• M2: 539,899 km (0.097 R)
• M3: 834,008 km (0.113 R)
• M4: 1,310,627 km (0.075 R)
• M5: 1,669,363 km (0.117 R)
• M6: 2,562,761 km (0.054 R)
• M7: 2,927,630 km (0.105 R)
• M8: 3,484,284 km (0.058 R)
• M9: 5,239,366 km (0.099 R)
• M10: 5,785,548 km (0.091 R)
• M11: 6,637,957 km (0.078 R)
• M12: 7,437,258 km (0.107 R)
• M13: 8,184,350 km (0.092 R)
• M14: 8,650,347 km (0.045 R)
• M15: 9,288,532 km (0.114 R)
• M16: 12,804,979 km (0.042 R)
• M17: 13,353,854 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.8

Radius: 12.9

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.85 AU - 2.23 AU

Year: 1911 Days

Day: 9.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,042,342 km

• M1: 162,762 km (0.082 R)
• M2: 630,854 km (0.105 R)
• M3: 1,177,784 km (0.038 R)
• M4: 2,073,426 km (0.114 R)
• M5: 2,567,548 km (0.072 R)
• M6: 3,283,972 km (0.104 R)
• M7: 4,920,723 km (0.107 R)
• M8: 5,548,585 km (0.045 R)
• M9: 6,856,968 km (0.069 R)
• M10: 7,729,273 km (0.101 R)
• M11: 8,146,950 km (0.072 R)
• M12: 10,146,326 km (0.066 R)
• M13: 11,317,079 km (0.105 R)
• M14: 12,172,928 km (0.064 R)
• M15: 13,113,301 km (0.083 R)
• M16: 14,189,807 km (0.093 R)
• M17: 15,324,357 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.2

Radius: 10.7

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.83 AU - 2.79 AU

Year: 2303 Days

Day: 5.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 52.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,042,342 km

• M1: 133,142 km (0.104 R)
• M2: 470,485 km (0.097 R)
• M3: 917,035 km (0.109 R)
• M4: 1,263,354 km (0.093 R)
• M5: 1,842,896 km (0.078 R)
• M6: 2,910,726 km (0.073 R)
• M7: 3,553,398 km (0.084 R)
• M8: 4,065,621 km (0.085 R)
• M9: 4,691,988 km (0.063 R)
• M10: 5,429,954 km (0.106 R)
• M11: 5,878,149 km (0.114 R)
• M12: 7,923,002 km (0.103 R)
• M13: 8,533,511 km (0.107 R)
• M14: 9,106,022 km (0.116 R)
• M15: 9,632,308 km (0.073 R)
• M16: 10,630,873 km (0.042 R)
• M17: 11,943,296 km (0.06 R)
• M18: 13,139,031 km (0.096 R)
• M19: 16,994,617 km (0.083 R)
• M20: 17,793,171 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.2

Radius: 8.2

Gravity: 12.78 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.53 AU - 4.71 AU

Year: 5486 Days

Day: 6 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,042,342 km

• M1: 113,844 km (0.111 R)
• M2: 812,466 km (0.109 R)
• M3: 1,388,867 km (0.103 R)
• M4: 1,982,321 km (0.114 R)
• M5: 2,362,599 km (0.076 R)
• M6: 3,710,925 km (0.115 R)
• M7: 5,631,911 km (0.081 R)
• M8: 5,974,939 km (0.092 R)
• M9: 10,259,572 km (0.075 R)
• M10: 12,204,942 km (0.033 R)
• M11: 12,464,345 km (0.104 R)
• M12: 12,940,365 km (0.101 R)
• M13: 19,076,720 km (0.062 R)
• M14: 20,355,483 km (0.117 R)
• M15: 20,647,349 km (0.107 R)
• M16: 30,660,981 km (0.083 R)
• M17: 31,044,550 km (0.083 R)
• M18: 32,412,323 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.9

Radius: 14.4

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.55 AU - 5.05 AU

Year: 5849 Days

Day: 6.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,042,342 km

• M1: 179,069 km (0.052 R)
• M2: 692,489 km (0.118 R)
• M3: 1,454,091 km (0.098 R)
• M4: 1,985,164 km (0.04 R)
• M5: 2,485,419 km (0.093 R)
• M6: 3,236,251 km (0.108 R)
• M7: 4,134,436 km (0.066 R)
• M8: 4,602,378 km (0.073 R)
• M9: 5,311,472 km (0.043 R)
• M10: 6,092,672 km (0.045 R)
• M11: 6,736,542 km (0.101 R)
• M12: 8,081,726 km (0.117 R)
• M13: 8,650,796 km (0.113 R)
• M14: 10,473,347 km (0.034 R)
• M15: 11,150,726 km (0.076 R)
• M16: 11,805,815 km (0.07 R)
• M17: 14,099,599 km (0.098 R)
• M18: 18,982,025 km (0.105 R)
• M19: 21,110,204 km (0.093 R)
• M20: 23,720,388 km (0.115 R)
• M21: 29,384,014 km (0.098 R)
• M22: 30,635,550 km (0.091 R)
• M23: 35,242,865 km (0.098 R)
• M24: 37,097,430 km (0.119 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.2

Radius: 8.5

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.27 AU - 6.55 AU

Year: 8255 Days

Day: 11.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,042,342 km

• M1: 105,766 km (0.111 R)
• M2: 834,307 km (0.119 R)
• M3: 1,369,419 km (0.079 R)
• M4: 1,946,268 km (0.115 R)
• M5: 2,249,054 km (0.113 R)
• M6: 3,221,441 km (0.109 R)
• M7: 4,010,569 km (0.075 R)
• M8: 4,641,274 km (0.072 R)
• M9: 5,489,643 km (0.103 R)
• M10: 5,934,548 km (0.085 R)
• M11: 6,472,202 km (0.108 R)
• M12: 8,322,728 km (0.102 R)
• M13: 9,525,495 km (0.084 R)
• M14: 10,405,130 km (0.076 R)
• M15: 12,486,336 km (0.071 R)
• M16: 13,482,358 km (0.068 R)
• M17: 16,074,441 km (0.105 R)
• M18: 17,793,470 km (0.1 R)
• M19: 18,981,576 km (0.07 R)
• M20: 24,014,049 km (0.103 R)
• M21: 24,945,445 km (0.105 R)
• M22: 27,791,844 km (0.087 R)
• M23: 28,255,298 km (0.063 R)
• M24: 30,258,413 km (0.096 R)
• M25: 32,558,929 km (0.049 R)
• M26: 33,177,666 km (0.099 R)
• M27: 36,059,819 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.8

Radius: 6.1

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 9.76 AU - 10.46 AU

Year: 21088 Days

Day: 15.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,042,342 km

• M1: 75,996 km (0.081 R)
• M2: 308,920 km (0.099 R)
• M3: 991,385 km (0.059 R)
• M4: 1,221,018 km (0.112 R)
• M5: 3,079,472 km (0.078 R)
• M6: 3,915,575 km (0.118 R)
• M7: 4,146,404 km (0.107 R)
• M8: 8,926,206 km (0.093 R)
• M9: 9,693,493 km (0.071 R)
• M10: 11,566,010 km (0.102 R)
• M11: 16,271,312 km (0.095 R)
• M12: 18,180,031 km (0.119 R)
• M13: 18,824,050 km (0.069 R)
• M14: 25,055,998 km (0.1 R)
• M15: 34,886,074 km (0.107 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: 407 - 11,088 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit