🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.4

Radius: 8.1

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.53 AU - 0.77 AU

Year: 355 Days

Day: 5.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,310,086 km

• M1: 103,522 km (0.081 R)
• M2: 362,924 km (0.09 R)
• M3: 666,758 km (0.078 R)
• M4: 925,712 km (0.104 R)
• M5: 1,181,973 km (0.09 R)
• M6: 1,551,031 km (0.092 R)
• M7: 1,980,077 km (0.074 R)
• M8: 2,239,929 km (0.077 R)
• M9: 2,597,318 km (0.113 R)
• M10: 3,023,672 km (0.065 R)
• M11: 4,016,404 km (0.074 R)
• M12: 5,017,363 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.6

Radius: 8.9

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.76 AU - 1.26 AU

Year: 688 Days

Day: 13.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,310,086 km

• M1: 110,702 km (0.058 R)
• M2: 411,843 km (0.111 R)
• M3: 698,772 km (0.063 R)
• M4: 1,247,347 km (0.059 R)
• M5: 1,606,980 km (0.069 R)
• M6: 2,130,124 km (0.117 R)
• M7: 2,461,035 km (0.118 R)
• M8: 2,836,824 km (0.097 R)
• M9: 3,345,308 km (0.086 R)
• M10: 3,953,423 km (0.101 R)
• M11: 4,241,848 km (0.077 R)
• M12: 5,290,529 km (0.092 R)
• M13: 6,116,159 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.4

Radius: 15

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.4 AU - 1.54 AU

Year: 1209 Days

Day: 5.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,310,086 km

• M1: 186,549 km (0.092 R)
• M2: 709,991 km (0.111 R)
• M3: 1,205,759 km (0.032 R)
• M4: 1,848,730 km (0.112 R)
• M5: 2,878,562 km (0.052 R)
• M6: 3,389,888 km (0.05 R)
• M7: 4,096,289 km (0.077 R)
• M8: 4,714,278 km (0.097 R)
• M9: 5,412,301 km (0.073 R)
• M10: 5,883,235 km (0.051 R)
• M11: 6,609,533 km (0.095 R)
• M12: 7,327,453 km (0.083 R)
• M13: 7,858,227 km (0.097 R)
• M14: 8,340,530 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.6

Radius: 14.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.44 AU - 1.72 AU

Year: 1347 Days

Day: 10.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,310,086 km

• M1: 184,005 km (0.077 R)
• M2: 1,224,159 km (0.113 R)
• M3: 1,950,756 km (0.105 R)
• M4: 2,791,047 km (0.038 R)
• M5: 3,755,056 km (0.103 R)
• M6: 4,625,267 km (0.062 R)
• M7: 5,506,099 km (0.113 R)
• M8: 6,082,500 km (0.069 R)
• M9: 7,602,414 km (0.093 R)
• M10: 8,161,761 km (0.076 R)
• M11: 9,391,904 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.2

Radius: 9.8

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.39 AU - 3.23 AU

Year: 3195 Days

Day: 11.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,310,086 km

• M1: 152,291 km (0.083 R)
• M2: 801,246 km (0.072 R)
• M3: 1,324,390 km (0.094 R)
• M4: 1,835,566 km (0.051 R)
• M5: 3,023,822 km (0.12 R)
• M6: 5,878,149 km (0.094 R)
• M7: 8,214,569 km (0.059 R)
• M8: 11,796,989 km (0.043 R)
• M9: 12,466,140 km (0.12 R)
• M10: 12,787,028 km (0.05 R)
• M11: 13,734,132 km (0.098 R)
• M12: 14,982,975 km (0.117 R)
• M13: 15,398,109 km (0.093 R)
• M14: 19,920,602 km (0.055 R)
• M15: 21,847,871 km (0.106 R)
• M16: 22,924,976 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.4

Radius: 13

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.52 AU - 3.56 AU

Year: 4517 Days

Day: 8.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,310,086 km

• M1: 169,046 km (0.105 R)
• M2: 575,802 km (0.092 R)
• M3: 1,411,755 km (0.113 R)
• M4: 2,780,875 km (0.109 R)
• M5: 3,242,085 km (0.072 R)
• M6: 3,665,447 km (0.041 R)
• M7: 4,900,527 km (0.106 R)
• M8: 5,368,768 km (0.099 R)
• M9: 6,064,847 km (0.097 R)
• M10: 6,632,422 km (0.106 R)
• M11: 7,463,438 km (0.04 R)
• M12: 8,269,621 km (0.107 R)
• M13: 9,232,732 km (0.102 R)
• M14: 10,704,775 km (0.09 R)
• M15: 11,190,669 km (0.095 R)
• M16: 13,541,150 km (0.111 R)
• M17: 14,832,180 km (0.058 R)
• M18: 16,695,721 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.6

Radius: 7.4

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.33 AU - 8.33 AU

Year: 12107 Days

Day: 18.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 84,310,086 km

• M1: 92,003 km (0.046 R)
• M2: 369,507 km (0.102 R)
• M3: 701,614 km (0.086 R)
• M4: 1,049,429 km (0.116 R)
• M5: 1,363,734 km (0.09 R)
• M6: 2,166,925 km (0.098 R)
• M7: 3,068,851 km (0.108 R)
• M8: 3,641,960 km (0.092 R)
• M9: 4,144,609 km (0.045 R)
• M10: 5,287,836 km (0.104 R)
• M11: 7,964,142 km (0.075 R)
• M12: 8,402,164 km (0.088 R)
• M13: 9,089,267 km (0.116 R)
• M14: 9,813,172 km (0.092 R)
• M15: 11,050,645 km (0.12 R)
• M16: 11,651,131 km (0.088 R)
• M17: 12,857,937 km (0.081 R)
• M18: 18,221,469 km (0.12 R)
• M19: 18,523,208 km (0.106 R)
• M20: 19,527,010 km (0.028 R)
• M21: 22,668,565 km (0.086 R)
• M22: 23,105,391 km (0.116 R)
• M23: 26,902,933 km (0.09 R)
• M24: 27,294,431 km (0.108 R)
• M25: 27,590,485 km (0.076 R)
• M26: 29,000,295 km (0.117 R)
• M27: 35,471,899 km (0.042 R)
• M28: 41,658,818 km (0.116 R)
• M29: 44,458,542 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.3

Radius: 4.4

Gravity: 13.65 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.89 AU - 9.45 AU

Year: 15839 Days

Day: 18.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 84,310,086 km

• M1: 55,202 km (0.073 R)
• M2: 199,115 km (0.107 R)
• M3: 400,473 km (0.104 R)
• M4: 631,004 km (0.095 R)
• M5: 821,741 km (0.085 R)
• M6: 1,094,308 km (0.084 R)
• M7: 1,451,997 km (0.103 R)
• M8: 2,301,414 km (0.098 R)
• M9: 2,778,481 km (0.111 R)
• M10: 3,588,703 km (0.06 R)
• M11: 3,820,281 km (0.079 R)
• M12: 4,089,108 km (0.066 R)
• M13: 4,515,911 km (0.079 R)
• M14: 4,694,680 km (0.054 R)
• M15: 5,358,147 km (0.095 R)
• M16: 6,448,715 km (0.094 R)
• M17: 7,512,356 km (0.058 R)
• M18: 8,687,747 km (0.12 R)
• M19: 10,542,461 km (0.093 R)
• M20: 10,910,771 km (0.056 R)
• M21: 13,485,799 km (0.056 R)
• M22: 16,229,873 km (0.114 R)
• M23: 17,293,663 km (0.104 R)
• M24: 19,638,012 km (0.118 R)
• M25: 20,114,930 km (0.053 R)
• M26: 22,185,813 km (0.112 R)
• M27: 22,357,402 km (0.065 R)
• M28: 23,583,057 km (0.113 R)
• M29: 24,852,993 km (0.049 R)
• M30: 26,167,809 km (0.082 R)
• M31: 28,326,506 km (0.08 R)
• M32: 29,242,793 km (0.102 R)
• M33: 30,073,810 km (0.111 R)
• M34: 33,555,102 km (0.059 R)
• M35: 35,275,776 km (0.085 R)
• M36: 41,956,368 km (0.113 R)
• M37: 46,990,337 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.1

Radius: 3.4

Gravity: 61.08 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.31 AU - 11.09 AU

Year: 20490 Days

Day: 17.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 84,310,086 km

• M1: 42,336 km (0.113 R)
• M2: 160,967 km (0.114 R)
• M3: 300,542 km (0.082 R)
• M4: 648,357 km (0.079 R)
• M5: 755,020 km (0.08 R)
• M6: 1,190,350 km (0.038 R)
• M7: 1,737,729 km (0.109 R)
• M8: 2,697,698 km (0.097 R)
• M9: 3,838,681 km (0.114 R)
• M10: 4,159,270 km (0.094 R)
• M11: 4,744,945 km (0.114 R)
• M12: 4,964,256 km (0.104 R)
• M13: 6,206,217 km (0.115 R)
• M14: 6,783,815 km (0.101 R)
• M15: 8,730,382 km (0.112 R)
• M16: 9,684,517 km (0.082 R)
• M17: 10,337,662 km (0.109 R)
• M18: 13,173,588 km (0.092 R)
• M19: 16,905,607 km (0.054 R)
• M20: 17,159,773 km (0.112 R)
• M21: 18,380,043 km (0.072 R)
• M22: 18,920,241 km (0.112 R)
• M23: 19,194,155 km (0.082 R)
• M24: 20,412,330 km (0.059 R)
• M25: 21,581,587 km (0.057 R)
• M26: 22,589,578 km (0.104 R)
• M27: 26,935,545 km (0.047 R)
• M28: 27,282,313 km (0.087 R)
• M29: 33,508,277 km (0.091 R)
• M30: 34,994,383 km (0.094 R)
• M31: 40,768,711 km (0.088 R)
• M32: 46,150,195 km (0.091 R)
• M33: 52,883,446 km (0.067 R)
• M34: 57,909,785 km (0.088 R)
• M35: 60,439,634 km (0.038 R)
• M36: 65,301,565 km (0.038 R)
• M37: 65,718,045 km (0.056 R)
• M38: 66,136,471 km (0.116 R)
• M39: 68,468,851 km (0.065 R)
• M40: 72,849,226 km (0.095 R)
• M41: 73,521,968 km (0.056 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.7

Radius: 5.5

Gravity: 22.24 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 10.2 AU - 11.08 AU

Year: 23540 Days

Day: 24.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 84,310,086 km

• M1: 68,516 km (0.084 R)
• M2: 275,709 km (0.045 R)
• M3: 1,175,690 km (0.115 R)
• M4: 1,384,678 km (0.101 R)
• M5: 1,583,493 km (0.06 R)
• M6: 2,777,434 km (0.117 R)
• M7: 3,837,335 km (0.077 R)
• M8: 4,131,295 km (0.065 R)
• M9: 4,475,370 km (0.093 R)
• M10: 4,801,194 km (0.091 R)
• M11: 5,339,447 km (0.11 R)
• M12: 5,832,073 km (0.102 R)
• M13: 7,098,718 km (0.085 R)
• M14: 13,407,260 km (0.109 R)
• M15: 15,181,940 km (0.076 R)
• M16: 15,505,670 km (0.111 R)
• M17: 16,933,731 km (0.105 R)
• M18: 18,908,872 km (0.065 R)
• M19: 19,568,299 km (0.092 R)
• M20: 19,855,527 km (0.077 R)
• M21: 21,334,003 km (0.117 R)
• M22: 27,622,349 km (0.077 R)
• M23: 31,250,098 km (0.081 R)
• M24: 32,304,015 km (0.103 R)
• M25: 36,902,653 km (0.101 R)
• M26: 37,341,125 km (0.064 R)
• M27: 37,783,186 km (0.054 R)
• M28: 39,130,016 km (0.037 R)
• M29: 44,342,305 km (0.097 R)
• M30: 48,411,068 km (0.118 R)
• M31: 51,620,989 km (0.07 R)
• M32: 52,906,633 km (0.113 R)
• M33: 54,780,197 km (0.106 R)
• M34: 68,927,518 km (0.108 R)
• M35: 74,135,170 km (0.09 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 19,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit