🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.4

Radius: 9.2

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.17 AU - 1.91 AU

Year: 1319 Days

Day: 13.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,102,617 km

• M1: 114,442 km (0.117 R)
• M2: 421,118 km (0.098 R)
• M3: 981,512 km (0.067 R)
• M4: 1,306,139 km (0.081 R)
• M5: 1,715,888 km (0.11 R)
• M6: 2,141,793 km (0.104 R)
• M7: 2,806,456 km (0.076 R)
• M8: 3,118,368 km (0.066 R)
• M9: 3,548,761 km (0.094 R)
• M10: 3,971,973 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.3

Radius: 8.1

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.08 AU - 2.18 AU

Year: 2146 Days

Day: 11.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,102,617 km

• M1: 100,679 km (0.109 R)
• M2: 499,058 km (0.106 R)
• M3: 1,242,560 km (0.104 R)
• M4: 1,670,559 km (0.107 R)
• M5: 2,168,720 km (0.109 R)
• M6: 2,899,356 km (0.08 R)
• M7: 3,601,718 km (0.08 R)
• M8: 4,708,443 km (0.084 R)
• M9: 4,994,923 km (0.077 R)
• M10: 6,338,761 km (0.109 R)
• M11: 6,938,499 km (0.093 R)
• M12: 8,899,278 km (0.101 R)
• M13: 11,125,444 km (0.087 R)
• M14: 11,835,735 km (0.057 R)
• M15: 13,346,374 km (0.081 R)
• M16: 17,520,005 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.4

Radius: 8.6

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.18 AU - 2.5 AU

Year: 2471 Days

Day: 8.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,102,617 km

• M1: 106,962 km (0.074 R)
• M2: 401,371 km (0.084 R)
• M3: 849,417 km (0.106 R)
• M4: 1,288,786 km (0.071 R)
• M5: 1,819,409 km (0.059 R)
• M6: 2,228,410 km (0.079 R)
• M7: 3,264,375 km (0.105 R)
• M8: 3,567,610 km (0.12 R)
• M9: 4,172,733 km (0.071 R)
• M10: 4,865,970 km (0.072 R)
• M11: 5,777,320 km (0.082 R)
• M12: 6,071,878 km (0.079 R)
• M13: 6,454,101 km (0.106 R)
• M14: 7,126,992 km (0.12 R)
• M15: 8,392,441 km (0.103 R)
• M16: 9,326,530 km (0.113 R)
• M17: 10,292,633 km (0.112 R)
• M18: 10,873,820 km (0.118 R)
• M19: 12,831,757 km (0.09 R)
• M20: 14,469,106 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.7

Radius: 9.5

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.31 AU - 2.99 AU

Year: 2978 Days

Day: 14.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,102,617 km

• M1: 118,182 km (0.087 R)
• M2: 477,965 km (0.058 R)
• M3: 870,061 km (0.089 R)
• M4: 1,455,587 km (0.084 R)
• M5: 2,258,180 km (0.091 R)
• M6: 3,422,650 km (0.096 R)
• M7: 4,666,406 km (0.087 R)
• M8: 5,166,063 km (0.111 R)
• M9: 6,385,585 km (0.048 R)
• M10: 7,403,299 km (0.091 R)
• M11: 8,083,820 km (0.085 R)
• M12: 8,805,480 km (0.063 R)
• M13: 10,495,936 km (0.063 R)
• M14: 11,270,853 km (0.12 R)
• M15: 12,437,118 km (0.097 R)
• M16: 13,211,586 km (0.077 R)
• M17: 13,586,927 km (0.117 R)
• M18: 15,109,385 km (0.118 R)
• M19: 20,232,065 km (0.03 R)
• M20: 20,605,611 km (0.061 R)
• M21: 21,047,373 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.7

Radius: 11.5

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.53 AU - 3.97 AU

Year: 4044 Days

Day: 8.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,102,617 km

• M1: 240,853 km (0.058 R)
• M2: 972,685 km (0.094 R)
• M3: 1,526,796 km (0.101 R)
• M4: 2,196,097 km (0.071 R)
• M5: 3,015,893 km (0.032 R)
• M6: 3,703,445 km (0.116 R)
• M7: 8,213,521 km (0.113 R)
• M8: 9,433,642 km (0.091 R)
• M9: 10,129,122 km (0.113 R)
• M10: 11,079,667 km (0.07 R)
• M11: 11,668,634 km (0.039 R)
• M12: 12,041,432 km (0.095 R)
• M13: 13,510,782 km (0.096 R)
• M14: 15,651,528 km (0.12 R)
• M15: 18,760,770 km (0.117 R)
• M16: 20,326,012 km (0.095 R)
• M17: 26,251,883 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.9

Radius: 8

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.59 AU - 4.23 AU

Year: 4347 Days

Day: 11.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,102,617 km

• M1: 99,483 km (0.117 R)
• M2: 495,618 km (0.115 R)
• M3: 892,950 km (0.089 R)
• M4: 1,254,378 km (0.114 R)
• M5: 1,516,623 km (0.111 R)
• M6: 1,966,015 km (0.051 R)
• M7: 2,551,840 km (0.026 R)
• M8: 4,327,418 km (0.108 R)
• M9: 4,700,963 km (0.043 R)
• M10: 5,204,959 km (0.096 R)
• M11: 5,484,258 km (0.095 R)
• M12: 5,744,409 km (0.099 R)
• M13: 6,227,161 km (0.047 R)
• M14: 7,102,757 km (0.072 R)
• M15: 7,911,483 km (0.111 R)
• M16: 9,879,294 km (0.118 R)
• M17: 10,265,256 km (0.105 R)
• M18: 14,642,640 km (0.048 R)
• M19: 17,145,562 km (0.086 R)
• M20: 17,454,032 km (0.117 R)
• M21: 18,145,623 km (0.092 R)
• M22: 18,401,585 km (0.083 R)
• M23: 18,790,091 km (0.079 R)
• M24: 20,124,654 km (0.085 R)
• M25: 22,832,375 km (0.03 R)
• M26: 24,976,711 km (0.115 R)
• M27: 25,613,100 km (0.119 R)
• M28: 27,841,211 km (0.085 R)
• M29: 28,785,024 km (0.113 R)
• M30: 29,046,072 km (0.11 R)
• M31: 29,484,544 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.9

Radius: 14.3

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.72 AU - 5.76 AU

Year: 8280 Days

Day: 14.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,102,617 km

• M1: 178,919 km (0.09 R)
• M2: 724,802 km (0.11 R)
• M3: 1,212,640 km (0.085 R)
• M4: 1,704,069 km (0.086 R)
• M5: 2,224,969 km (0.098 R)
• M6: 3,266,021 km (0.044 R)
• M7: 4,271,618 km (0.071 R)
• M8: 6,591,581 km (0.089 R)
• M9: 7,647,742 km (0.113 R)
• M10: 9,227,945 km (0.11 R)
• M11: 11,175,410 km (0.083 R)
• M12: 13,324,084 km (0.11 R)
• M13: 13,809,379 km (0.056 R)
• M14: 14,369,623 km (0.055 R)
• M15: 16,005,626 km (0.106 R)
• M16: 16,693,626 km (0.109 R)
• M17: 19,412,568 km (0.085 R)
• M18: 20,354,585 km (0.12 R)
• M19: 20,836,739 km (0.07 R)
• M20: 21,409,101 km (0.082 R)
• M21: 22,414,698 km (0.065 R)
• M22: 27,822,212 km (0.107 R)
• M23: 29,324,324 km (0.104 R)
• M24: 30,879,843 km (0.115 R)
• M25: 36,345,251 km (0.076 R)
• M26: 37,055,841 km (0.12 R)
• M27: 39,243,710 km (0.097 R)
• M28: 40,243,174 km (0.051 R)
• M29: 41,645,205 km (0.06 R)
• M30: 43,875,559 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.5

Radius: 6.7

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.09 AU - 7.97 AU

Year: 14263 Days

Day: 18.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,102,617 km

• M1: 83,326 km (0.084 R)
• M2: 494,870 km (0.075 R)
• M3: 796,160 km (0.109 R)
• M4: 1,356,853 km (0.082 R)
• M5: 1,684,622 km (0.112 R)
• M6: 2,499,481 km (0.105 R)
• M7: 3,924,700 km (0.06 R)
• M8: 5,574,465 km (0.118 R)
• M9: 6,610,880 km (0.1 R)
• M10: 10,010,940 km (0.108 R)
• M11: 11,194,558 km (0.05 R)
• M12: 13,454,234 km (0.097 R)
• M13: 14,690,661 km (0.073 R)
• M14: 17,387,761 km (0.107 R)
• M15: 19,412,418 km (0.115 R)
• M16: 23,370,628 km (0.081 R)
• M17: 25,440,913 km (0.116 R)
• M18: 26,321,895 km (0.085 R)
• M19: 27,021,115 km (0.083 R)
• M20: 28,352,387 km (0.09 R)
• M21: 28,561,076 km (0.085 R)
• M22: 30,594,410 km (0.109 R)
• M23: 34,470,491 km (0.09 R)
• M24: 35,066,788 km (0.11 R)
• M25: 36,035,135 km (0.092 R)
• M26: 36,280,027 km (0.11 R)
• M27: 40,087,293 km (0.067 R)
• M28: 40,879,413 km (0.05 R)
• M29: 42,087,117 km (0.065 R)
• M30: 42,768,236 km (0.063 R)
• M31: 45,281,181 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377

Radius: 5.2

Gravity: 13.94 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.07 AU - 8.09 AU

Year: 14405 Days

Day: 22.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 50,102,617 km

• M1: 64,626 km (0.083 R)
• M2: 258,356 km (0.068 R)
• M3: 534,663 km (0.084 R)
• M4: 985,401 km (0.077 R)
• M5: 1,569,880 km (0.099 R)
• M6: 1,750,893 km (0.118 R)
• M7: 2,284,509 km (0.046 R)
• M8: 2,682,290 km (0.112 R)
• M9: 3,032,798 km (0.095 R)
• M10: 3,745,482 km (0.071 R)
• M11: 4,211,928 km (0.087 R)
• M12: 6,133,662 km (0.079 R)
• M13: 7,388,340 km (0.034 R)
• M14: 11,200,393 km (0.08 R)
• M15: 13,120,481 km (0.093 R)
• M16: 14,713,549 km (0.073 R)
• M17: 15,659,756 km (0.061 R)
• M18: 16,007,421 km (0.108 R)
• M19: 17,598,095 km (0.102 R)
• M20: 20,423,550 km (0.102 R)
• M21: 21,005,935 km (0.092 R)
• M22: 22,030,082 km (0.096 R)
• M23: 26,460,423 km (0.109 R)
• M24: 28,987,131 km (0.109 R)
• M25: 32,562,370 km (0.113 R)
• M26: 33,128,598 km (0.103 R)
• M27: 34,397,188 km (0.081 R)
• M28: 34,748,743 km (0.074 R)
• M29: 37,153,678 km (0.057 R)
• M30: 37,523,784 km (0.099 R)
• M31: 42,830,618 km (0.071 R)
• M32: 43,510,092 km (0.115 R)
• M33: 47,015,918 km (0.097 R)
• M34: 49,504,628 km (0.107 R)
• M35: 50,102,571 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 17,186 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit